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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/back/ rel=canonical><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.4.2, mkdocs-material-8.5.10"><title>back - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.975780f9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.2505c338.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../../css/custom.css><script>__md_scope=new 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</code></pre></div> <p>Return last reference token.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>Last reference token.</p> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <p>Throws <a href=../../../home/exceptions/#jsonexceptionout_of_range405>out_of_range.405</a> if JSON pointer has no parent.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>back</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/back/ rel=canonical><link href=../json_pointer/ rel=prev><link href=../empty/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>back - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../../css/custom.css><script>__md_scope=new URL("../../..",location),__md_hash=e=>[...e].reduce((e,_)=>(e<<5)-e+_.charCodeAt(0),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script></head> <body dir=ltr data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo> <script>var palette=__md_get("__palette");if(palette&&"object"==typeof palette.color)for(var key of Object.keys(palette.color))document.body.setAttribute("data-md-color-"+key,palette.color[key])</script> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label class=md-overlay for=__drawer></label> <div data-md-component=skip> <a href=#nlohmannjson_pointerback class=md-skip> Skip to content </a> </div> <div data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> back </span> </div> </div> </div> <form class=md-header__option 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autocomplete=off spellcheck=Line truncated
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</code></pre></div> <p>Return last reference token.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>Last reference token.</p> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <p>Throws <a href=../../../home/exceptions/#jsonexceptionout_of_range405>out_of_range.405</a> if JSON pointer has no parent.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>back</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
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<span class=p>{</span><span class=w></span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=c1>// different JSON Pointers</span>
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<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
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<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span><span class=w></span>
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<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
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<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span>
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<span class=w> </span><span class=c1>// call empty()</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"last reference token of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>back</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
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<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"last reference token of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>back</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
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<span class=p>}</span><span class=w></span>
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</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>las</span><span class=kc>t</span><span class=w> </span><span class=err>re</span><span class=kc>feren</span><span class=err>ce</span><span class=w> </span><span class=kc>t</span><span class=err>oke</span><span class=kc>n</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>"foo"</span><span class=w></span>
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<span class=err>las</span><span class=kc>t</span><span class=w> </span><span class=err>re</span><span class=kc>feren</span><span class=err>ce</span><span class=w> </span><span class=kc>t</span><span class=err>oke</span><span class=kc>n</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo/0"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>"0"</span><span class=w></span>
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</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 3.6.0.</li> <li>Changed return type to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../json_pointer/ class="md-footer__link md-footer__link--prev" aria-label="Previous: (Constructor)" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> (Constructor) </div> </div> </a> <a href=../empty/ class="md-footer__link md-footer__link--next" aria-label="Next: empty" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> empty </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"last reference token of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>back</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"last reference token of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>back</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>las</span><span class=kc>t</span><span class=w> </span><span class=err>re</span><span class=kc>feren</span><span class=err>ce</span><span class=w> </span><span class=kc>t</span><span class=err>oke</span><span class=kc>n</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>"foo"</span>
|
||||
<span class=err>las</span><span class=kc>t</span><span class=w> </span><span class=err>re</span><span class=kc>feren</span><span class=err>ce</span><span class=w> </span><span class=kc>t</span><span class=err>oke</span><span class=kc>n</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo/0"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>"0"</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 3.6.0.</li> <li>Changed return type to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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@@ -1,26 +1,26 @@
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|
||||
</code></pre></div> <p>Return whether pointer points to the root document.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p><code class=highlight><span class=nb>true</span><span class=w></span></code> iff the JSON pointer points to the root document.</p> <h2 id=exception-safety>Exception safety<a class=headerlink href=#exception-safety title="Permanent link">¶</a></h2> <p>No-throw guarantee: this function never throws exceptions.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>empty</code> for different JSON Pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/empty/ rel=canonical><link href=../back/ rel=prev><link href=../operator_string_t/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>empty - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet 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</div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" title="Switch 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placeholder=Search autocapitalize=off autocorrect=off autocomplete=off speLine truncated
|
||||
</code></pre></div> <p>Return whether pointer points to the root document.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p><code class=highlight><span class=nb>true</span></code> iff the JSON pointer points to the root document.</p> <h2 id=exception-safety>Exception safety<a class=headerlink href=#exception-safety title="Permanent link">¶</a></h2> <p>No-throw guarantee: this function never throws exceptions.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>empty</code> for different JSON Pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON Pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr3</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr3</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// call empty()</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=nt>""</span><span class=p>:</span><span class=w> </span><span class=kc>true</span><span class=w></span>
|
||||
<span class=nt>""</span><span class=p>:</span><span class=w> </span><span class=kc>true</span><span class=w></span>
|
||||
<span class=nt>"/foo"</span><span class=p>:</span><span class=w> </span><span class=kc>false</span><span class=w></span>
|
||||
<span class=nt>"/foo/0"</span><span class=p>:</span><span class=w> </span><span class=kc>false</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <p>Added in version 3.6.0.</p> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../back/ class="md-footer__link md-footer__link--prev" aria-label="Previous: back" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> back </div> </div> </a> <a href=../operator_string_t/ class="md-footer__link md-footer__link--next" aria-label="Next: operator string_t" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> operator string_t </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=p>.</span><span class=n>empty</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=nt>""</span><span class=p>:</span><span class=w> </span><span class=kc>true</span>
|
||||
<span class=nt>""</span><span class=p>:</span><span class=w> </span><span class=kc>true</span>
|
||||
<span class=nt>"/foo"</span><span class=p>:</span><span class=w> </span><span class=kc>false</span>
|
||||
<span class=nt>"/foo/0"</span><span class=p>:</span><span class=w> </span><span class=kc>false</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <p>Added in version 3.6.0.</p> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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@@ -1,3 +1,3 @@
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|
||||
<span class=k>class</span><span class=w> </span><span class=nc>json_pointer</span><span class=p>;</span><span class=w></span>
|
||||
</code></pre></div> <p>A JSON pointer defines a string syntax for identifying a specific value within a JSON document. It can be used with functions <a href=../basic_json/at/ ><code>at</code></a> and <a href=../basic_json/operator%5B%5D/ ><code>operator[]</code></a>. Furthermore, JSON pointers are the base for JSON patches.</p> <h2 id=template-parameters>Template parameters<a class=headerlink href=#template-parameters title="Permanent link">¶</a></h2> <dl> <dt><code>RefStringType</code></dt> <dd>the string type used for the reference tokens making up the JSON pointer</dd> </dl> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>For backwards compatibility <code>RefStringType</code> may also be a specialization of <a href=../basic_json/ ><code>basic_json</code></a> in which case <code>string_t</code> will be deduced as <a href=../basic_json/string_t/ ><code>basic_json::string_t</code></a>. This feature is deprecated and may be removed in a future major version.</p> </div> <h2 id=member-types>Member types<a class=headerlink href=#member-types title="Permanent link">¶</a></h2> <ul> <li><a href=string_t/ ><strong>string_t</strong></a> - the string type used for the reference tokens</li> </ul> <h2 id=member-functions>Member functions<a class=headerlink href=#member-functions title="Permanent link">¶</a></h2> <ul> <li><a href=json_pointer/ >(constructor)</a></li> <li><a href=to_string/ ><strong>to_string</strong></a> - return a string representation of the JSON pointer</li> <li><a href=operator_string_t/ ><strong>operator string_t</strong></a> - return a string representation of the JSON pointer</li> <li><a href=operator_eq/ ><strong>operator==</strong></a> - compare: equal</li> <li><a href=operator_ne/ ><strong>operator!=</strong></a> - compare: not equal</li> <li><a href=operator_slasheq/ ><strong>operator/=</strong></a> - append to the end of the JSON pointer</li> <li><a href=operator_slash/ ><strong>operator/</strong></a> - create JSON Pointer by appending</li> <li><a href=parent_pointer/ ><strong>parent_pointer</strong></a> - returns the parent of this JSON pointer</li> <li><a href=pop_back/ ><strong>pop_back</strong></a> - remove last reference token</li> <li><a href=back/ ><strong>back</strong></a> - return last reference token</li> <li><a href=push_back/ ><strong>push_back</strong></a> - append an unescaped token at the end of the pointer</li> <li><a href=empty/ ><strong>empty</strong></a> - return whether pointer points to the root document</li> </ul> <h2 id=literals>Literals<a class=headerlink href=#literals title="Permanent link">¶</a></h2> <ul> <li><a href=../operator_literal_json_pointer/ ><strong>operator""_json_pointer</strong></a> - user-defined string literal for JSON pointers</li> </ul> <h2 id=see-also>See also<a class=headerlink href=#see-also title="Permanent link">¶</a></h2> <ul> <li><a href=https://datatracker.ietf.org/doc/html/rfc6901>RFC 6901</a></li> </ul> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 2.0.0.</li> <li>Changed template parameter from <code>basic_json</code> to string type in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 5, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../json/ class="md-footer__link md-footer__link--prev" aria-label="Previous: json" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> json </div> </div> </a> <a href=json_pointer/ class="md-footer__link md-footer__link--next" aria-label="Next: (Constructor)" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> (Constructor) </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footLine truncated
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/ rel=canonical><link href=../json/ rel=prev><link href=json_pointer/ rel=next><link rel=icon href=../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>Overview - JSON for Modern C++</title><link rel=stylesheet href=../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../css/custom.css><script>__md_scope=new 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<span class=k>class</span><span class=w> </span><span class=nc>json_pointer</span><span class=p>;</span>
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</code></pre></div> <p>A JSON pointer defines a string syntax for identifying a specific value within a JSON document. It can be used with functions <a href=../basic_json/at/ ><code>at</code></a> and <a href=../basic_json/operator%5B%5D/ ><code>operator[]</code></a>. Furthermore, JSON pointers are the base for JSON patches.</p> <h2 id=template-parameters>Template parameters<a class=headerlink href=#template-parameters title="Permanent link">¶</a></h2> <dl> <dt><code>RefStringType</code></dt> <dd>the string type used for the reference tokens making up the JSON pointer</dd> </dl> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>For backwards compatibility <code>RefStringType</code> may also be a specialization of <a href=../basic_json/ ><code>basic_json</code></a> in which case <code>string_t</code> will be deduced as <a href=../basic_json/string_t/ ><code>basic_json::string_t</code></a>. This feature is deprecated and may be removed in a future major version.</p> </div> <h2 id=member-types>Member types<a class=headerlink href=#member-types title="Permanent link">¶</a></h2> <ul> <li><a href=string_t/ ><strong>string_t</strong></a> - the string type used for the reference tokens</li> </ul> <h2 id=member-functions>Member functions<a class=headerlink href=#member-functions title="Permanent link">¶</a></h2> <ul> <li><a href=json_pointer/ >(constructor)</a></li> <li><a href=to_string/ ><strong>to_string</strong></a> - return a string representation of the JSON pointer</li> <li><a href=operator_string_t/ ><strong>operator string_t</strong></a> - return a string representation of the JSON pointer</li> <li><a href=operator_eq/ ><strong>operator==</strong></a> - compare: equal</li> <li><a href=operator_ne/ ><strong>operator!=</strong></a> - compare: not equal</li> <li><a href=operator_slasheq/ ><strong>operator/=</strong></a> - append to the end of the JSON pointer</li> <li><a href=operator_slash/ ><strong>operator/</strong></a> - create JSON Pointer by appending</li> <li><a href=parent_pointer/ ><strong>parent_pointer</strong></a> - returns the parent of this JSON pointer</li> <li><a href=pop_back/ ><strong>pop_back</strong></a> - remove last reference token</li> <li><a href=back/ ><strong>back</strong></a> - return last reference token</li> <li><a href=push_back/ ><strong>push_back</strong></a> - append an unescaped token at the end of the pointer</li> <li><a href=empty/ ><strong>empty</strong></a> - return whether pointer points to the root document</li> </ul> <h2 id=literals>Literals<a class=headerlink href=#literals title="Permanent link">¶</a></h2> <ul> <li><a href=../operator_literal_json_pointer/ ><strong>operator""_json_pointer</strong></a> - user-defined string literal for JSON pointers</li> </ul> <h2 id=see-also>See also<a class=headerlink href=#see-also title="Permanent link">¶</a></h2> <ul> <li><a href=https://datatracker.ietf.org/doc/html/rfc6901>RFC 6901</a></li> </ul> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 2.0.0.</li> <li>Changed template parameter from <code>basic_json</code> to string type in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 5, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2023 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0Line truncated
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</code></pre></div> <p>Create a JSON pointer according to the syntax described in <a href=https://tools.ietf.org/html/rfc6901#section-3>Section 3 of RFC6901</a>.</p> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>s</code> (in)</dt> <dd>string representing the JSON pointer; if omitted, the empty string is assumed which references the whole JSON value</dd> </dl> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <ul> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error107>parse_error.107</a> if the given JSON pointer <code>s</code> is nonempty and does not begin with a slash (<code>/</code>); see example below.</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error108>parse_error.108</a> if a tilde (<code>~</code>) in the given JSON pointer <code>s</code> is not followed by <code>0</code> (representing <code>~</code>) or <code>1</code> (representing <code>/</code>); see example below.</li> </ul> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the construction several valid JSON pointers as well as the exceptional behavior.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
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data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> (Constructor) </span> 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placeholder=Search autocapitalize=off autocorrect=off autocompLine truncated
|
||||
</code></pre></div> <p>Create a JSON pointer according to the syntax described in <a href=https://tools.ietf.org/html/rfc6901#section-3>Section 3 of RFC6901</a>.</p> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>s</code> (in)</dt> <dd>string representing the JSON pointer; if omitted, the empty string is assumed which references the whole JSON value</dd> </dl> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <ul> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error107>parse_error.107</a> if the given JSON pointer <code>s</code> is nonempty and does not begin with a slash (<code>/</code>); see example below.</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error108>parse_error.108</a> if a tilde (<code>~</code>) in the given JSON pointer <code>s</code> is not followed by <code>0</code> (representing <code>~</code>) or <code>1</code> (representing <code>/</code>); see example below.</li> </ul> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the construction several valid JSON pointers as well as the exceptional behavior.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// correct JSON pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p1</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p2</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p3</span><span class=p>(</span><span class=s>"/"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p4</span><span class=p>(</span><span class=s>"//"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p5</span><span class=p>(</span><span class=s>"/foo/bar"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p6</span><span class=p>(</span><span class=s>"/foo/bar/-"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p7</span><span class=p>(</span><span class=s>"/foo/~0"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p8</span><span class=p>(</span><span class=s>"/foo/~1"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p1</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p2</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p3</span><span class=p>(</span><span class=s>"/"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p4</span><span class=p>(</span><span class=s>"//"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p5</span><span class=p>(</span><span class=s>"/foo/bar"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p6</span><span class=p>(</span><span class=s>"/foo/bar/-"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p7</span><span class=p>(</span><span class=s>"/foo/~0"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p8</span><span class=p>(</span><span class=s>"/foo/~1"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// error: JSON pointer does not begin with a slash</span>
|
||||
<span class=w> </span><span class=k>try</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p9</span><span class=p>(</span><span class=s>"foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>e</span><span class=p>)</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>try</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p9</span><span class=p>(</span><span class=s>"foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// error: JSON pointer uses escape symbol ~ not followed by 0 or 1</span>
|
||||
<span class=w> </span><span class=k>try</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p10</span><span class=p>(</span><span class=s>"/foo/~"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>e</span><span class=p>)</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>try</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p10</span><span class=p>(</span><span class=s>"/foo/~"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// error: JSON pointer uses escape symbol ~ not followed by 0 or 1</span>
|
||||
<span class=w> </span><span class=k>try</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p11</span><span class=p>(</span><span class=s>"/foo/~3"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>e</span><span class=p>)</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=p>[</span><span class=err>jso</span><span class=kc>n</span><span class=err>.excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=err>.parse_error.</span><span class=mi>107</span><span class=p>]</span><span class=w> </span><span class=err>parse</span><span class=w> </span><span class=err>error</span><span class=w> </span><span class=err>a</span><span class=kc>t</span><span class=w> </span><span class=err>by</span><span class=kc>te</span><span class=w> </span><span class=mi>1</span><span class=p>:</span><span class=w> </span><span class=err>JSON</span><span class=w> </span><span class=err>poi</span><span class=kc>nter</span><span class=w> </span><span class=err>mus</span><span class=kc>t</span><span class=w> </span><span class=err>be</span><span class=w> </span><span class=err>emp</span><span class=kc>t</span><span class=err>y</span><span class=w> </span><span class=err>or</span><span class=w> </span><span class=err>begi</span><span class=kc>n</span><span class=w> </span><span class=err>wi</span><span class=kc>t</span><span class=err>h</span><span class=w> </span><span class=err>'/'</span><span class=w> </span><span class=mi>-</span><span class=w> </span><span class=err>was</span><span class=p>:</span><span class=w> </span><span class=err>'</span><span class=kc>f</span><span class=err>oo'</span><span class=w></span>
|
||||
<span class=p>[</span><span class=err>jso</span><span class=kc>n</span><span class=err>.excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=err>.parse_error.</span><span class=mi>108</span><span class=p>]</span><span class=w> </span><span class=err>parse</span><span class=w> </span><span class=err>error</span><span class=p>:</span><span class=w> </span><span class=err>escape</span><span class=w> </span><span class=err>charac</span><span class=kc>ter</span><span class=w> </span><span class=err>'~'</span><span class=w> </span><span class=err>mus</span><span class=kc>t</span><span class=w> </span><span class=err>be</span><span class=w> </span><span class=kc>f</span><span class=err>ollowed</span><span class=w> </span><span class=err>wi</span><span class=kc>t</span><span class=err>h</span><span class=w> </span><span class=err>'</span><span class=mi>0</span><span class=err>'</span><span class=w> </span><span class=err>or</span><span class=w> </span><span class=err>'</span><span class=mi>1</span><span class=err>'</span><span class=w></span>
|
||||
<span class=p>[</span><span class=err>jso</span><span class=kc>n</span><span class=err>.excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=err>.parse_error.</span><span class=mi>108</span><span class=p>]</span><span class=w> </span><span class=err>parse</span><span class=w> </span><span class=err>error</span><span class=p>:</span><span class=w> </span><span class=err>escape</span><span class=w> </span><span class=err>charac</span><span class=kc>ter</span><span class=w> </span><span class=err>'~'</span><span class=w> </span><span class=err>mus</span><span class=kc>t</span><span class=w> </span><span class=err>be</span><span class=w> </span><span class=kc>f</span><span class=err>ollowed</span><span class=w> </span><span class=err>wi</span><span class=kc>t</span><span class=err>h</span><span class=w> </span><span class=err>'</span><span class=mi>0</span><span class=err>'</span><span class=w> </span><span class=err>or</span><span class=w> </span><span class=err>'</span><span class=mi>1</span><span class=err>'</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 2.0.0.</li> <li>Changed type of <code>s</code> to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../ class="md-footer__link md-footer__link--prev" aria-label="Previous: Overview" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> Overview </div> </div> </a> <a href=../back/ class="md-footer__link md-footer__link--next" aria-label="Next: back" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> back </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.1Line truncated
|
||||
<span class=w> </span><span class=k>try</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>p11</span><span class=p>(</span><span class=s>"/foo/~3"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=p>[</span><span class=err>jso</span><span class=kc>n</span><span class=err>.excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=err>.parse_error.</span><span class=mi>107</span><span class=p>]</span><span class=w> </span><span class=err>parse</span><span class=w> </span><span class=err>error</span><span class=w> </span><span class=err>a</span><span class=kc>t</span><span class=w> </span><span class=err>by</span><span class=kc>te</span><span class=w> </span><span class=mi>1</span><span class=p>:</span><span class=w> </span><span class=err>JSON</span><span class=w> </span><span class=err>poi</span><span class=kc>nter</span><span class=w> </span><span class=err>mus</span><span class=kc>t</span><span class=w> </span><span class=err>be</span><span class=w> </span><span class=err>emp</span><span class=kc>t</span><span class=err>y</span><span class=w> </span><span class=err>or</span><span class=w> </span><span class=err>begi</span><span class=kc>n</span><span class=w> </span><span class=err>wi</span><span class=kc>t</span><span class=err>h</span><span class=w> </span><span class=err>'/'</span><span class=w> </span><span class=mi>-</span><span class=w> </span><span class=err>was</span><span class=p>:</span><span class=w> </span><span class=err>'</span><span class=kc>f</span><span class=err>oo'</span>
|
||||
<span class=p>[</span><span class=err>jso</span><span class=kc>n</span><span class=err>.excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=err>.parse_error.</span><span class=mi>108</span><span class=p>]</span><span class=w> </span><span class=err>parse</span><span class=w> </span><span class=err>error</span><span class=p>:</span><span class=w> </span><span class=err>escape</span><span class=w> </span><span class=err>charac</span><span class=kc>ter</span><span class=w> </span><span class=err>'~'</span><span class=w> </span><span class=err>mus</span><span class=kc>t</span><span class=w> </span><span class=err>be</span><span class=w> </span><span class=kc>f</span><span class=err>ollowed</span><span class=w> </span><span class=err>wi</span><span class=kc>t</span><span class=err>h</span><span class=w> </span><span class=err>'</span><span class=mi>0</span><span class=err>'</span><span class=w> </span><span class=err>or</span><span class=w> </span><span class=err>'</span><span class=mi>1</span><span class=err>'</span>
|
||||
<span class=p>[</span><span class=err>jso</span><span class=kc>n</span><span class=err>.excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=err>.parse_error.</span><span class=mi>108</span><span class=p>]</span><span class=w> </span><span class=err>parse</span><span class=w> </span><span class=err>error</span><span class=p>:</span><span class=w> </span><span class=err>escape</span><span class=w> </span><span class=err>charac</span><span class=kc>ter</span><span class=w> </span><span class=err>'~'</span><span class=w> </span><span class=err>mus</span><span class=kc>t</span><span class=w> </span><span class=err>be</span><span class=w> </span><span class=kc>f</span><span class=err>ollowed</span><span class=w> </span><span class=err>wi</span><span class=kc>t</span><span class=err>h</span><span class=w> </span><span class=err>'</span><span class=mi>0</span><span class=err>'</span><span class=w> </span><span class=err>or</span><span class=w> </span><span class=err>'</span><span class=mi>1</span><span class=err>'</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 2.0.0.</li> <li>Changed type of <code>s</code> to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
@@ -1,85 +1,85 @@
|
||||
<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/operator_eq/ rel=canonical><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.4.2, mkdocs-material-8.5.10"><title>operator== - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.975780f9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.2505c338.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../../css/custom.css><script>__md_scope=new 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data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> operator== </span> </div> </div> </div> <form class=md-header__option 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autocomplete=off spellcheck=false data-md-component=search-query requirLine truncated
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=o>></span><span class=w></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w></span>
|
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/operator_eq/ rel=canonical><link href=../operator_string_t/ rel=prev><link href=../operator_ne/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>operator== - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet 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data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> operator== </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" 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placeholder=Search autocapitalize=off autocorrecLine truncated
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=o>></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeRhs</span><span class=o>>&</span><span class=w> </span><span class=n>rhs</span><span class=p>)</span><span class=w> </span><span class=k>noexcept</span><span class=p>;</span><span class=w> </span><span class=c1>// (1)</span>
|
||||
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span><span class=w></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w></span>
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>StringType</span><span class=o>&</span><span class=w> </span><span class=n>rhs</span><span class=p>);</span><span class=w> </span><span class=c1>// (2)</span>
|
||||
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span><span class=w></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>StringType</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w></span>
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>StringType</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeRhs</span><span class=o>>&</span><span class=w> </span><span class=n>rhs</span><span class=p>);</span><span class=w> </span><span class=c1>// (2)</span>
|
||||
|
||||
<span class=c1>// since C++20</span>
|
||||
<span class=k>class</span><span class=w> </span><span class=nc>json_pointer</span><span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=o>></span><span class=w></span>
|
||||
<span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span><span class=w></span>
|
||||
<span class=k>class</span><span class=w> </span><span class=nc>json_pointer</span><span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=o>></span>
|
||||
<span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeRhs</span><span class=o>>&</span><span class=w> </span><span class=n>rhs</span><span class=p>)</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=k>noexcept</span><span class=p>;</span><span class=w> </span><span class=c1>// (1)</span>
|
||||
|
||||
<span class=w> </span><span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>==</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>string_t</span><span class=o>&</span><span class=w> </span><span class=n>rhs</span><span class=p>)</span><span class=w> </span><span class=k>const</span><span class=p>;</span><span class=w> </span><span class=c1>// (2)</span>
|
||||
<span class=p>};</span><span class=w></span>
|
||||
</code></pre></div> <ol> <li> <p>Compares two JSON pointers for equality by comparing their reference tokens.</p> </li> <li> <p>Compares a JSON pointer and a string or a string and a JSON pointer for equality by converting the string to a JSON pointer and comparing the JSON pointers according to 1.</p> </li> </ol> <h2 id=template-parameters>Template parameters<a class=headerlink href=#template-parameters title="Permanent link">¶</a></h2> <dl> <dt><code>RefStringTypeLhs</code>, <code>RefStringTypeRhs</code></dt> <dd>the string type of the left-hand side or right-hand side JSON pointer, respectively</dd> <dt><code>StringType</code></dt> <dd>the string type derived from the <code>json_pointer</code> operand (<a href=../string_t/ ><code>json_pointer::string_t</code></a>)</dd> </dl> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>lhs</code> (in)</dt> <dd>first value to consider</dd> <dt><code>rhs</code> (in)</dt> <dd>second value to consider</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>whether the values <code>lhs</code>/<code>*this</code> and <code>rhs</code> are equal</p> <h2 id=exception-safety>Exception safety<a class=headerlink href=#exception-safety title="Permanent link">¶</a></h2> <ol> <li>No-throw guarantee: this function never throws exceptions.</li> <li>Strong exception safety: if an exception occurs, the original value stays intact.</li> </ol> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <ol> <li>(none)</li> <li>The function can throw the following exceptions:</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error107>parse_error.107</a> if the given JSON pointer <code>s</code> is nonempty and does not begin with a slash (<code>/</code>); see example below.</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error108>parse_error.108</a> if a tilde (<code>~</code>) in the given JSON pointer <code>s</code> is not followed by <code>0</code> (representing <code>~</code>) or <code>1</code> (representing <code>/</code>); see example below.</li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant if <code>lhs</code> and <code>rhs</code> differ in the number of reference tokens, otherwise linear in the number of reference tokens.</p> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>Overload 2 is deprecated and will be removed in a future major version release.</p> </div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example: (1) Comparing JSON pointers</summary> <p>The example demonstrates comparing JSON pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
<span class=p>};</span>
|
||||
</code></pre></div> <ol> <li> <p>Compares two JSON pointers for equality by comparing their reference tokens.</p> </li> <li> <p>Compares a JSON pointer and a string or a string and a JSON pointer for equality by converting the string to a JSON pointer and comparing the JSON pointers according to 1.</p> </li> </ol> <h2 id=template-parameters>Template parameters<a class=headerlink href=#template-parameters title="Permanent link">¶</a></h2> <dl> <dt><code>RefStringTypeLhs</code>, <code>RefStringTypeRhs</code></dt> <dd>the string type of the left-hand side or right-hand side JSON pointer, respectively</dd> <dt><code>StringType</code></dt> <dd>the string type derived from the <code>json_pointer</code> operand (<a href=../string_t/ ><code>json_pointer::string_t</code></a>)</dd> </dl> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>lhs</code> (in)</dt> <dd>first value to consider</dd> <dt><code>rhs</code> (in)</dt> <dd>second value to consider</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>whether the values <code>lhs</code>/<code>*this</code> and <code>rhs</code> are equal</p> <h2 id=exception-safety>Exception safety<a class=headerlink href=#exception-safety title="Permanent link">¶</a></h2> <ol> <li>No-throw guarantee: this function never throws exceptions.</li> <li>Strong exception safety: if an exception occurs, the original value stays intact.</li> </ol> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <ol> <li>(none)</li> <li>The function can throw the following exceptions:</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error107>parse_error.107</a> if the given JSON pointer <code>s</code> is nonempty and does not begin with a slash (<code>/</code>); see example below.</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error108>parse_error.108</a> if a tilde (<code>~</code>) in the given JSON pointer <code>s</code> is not followed by <code>0</code> (representing <code>~</code>) or <code>1</code> (representing <code>/</code>); see example below.</li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant if <code>lhs</code> and <code>rhs</code> differ in the number of reference tokens, otherwise linear in the number of reference tokens.</p> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>Overload 2 is deprecated and will be removed in a future major version release.</p> </div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example: (1) Comparing JSON pointers</summary> <p>The example demonstrates comparing JSON pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// compare JSON pointers</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr1</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr1</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>"" == "": true
|
||||
"" == "": true
|
||||
"" == "/foo": false
|
||||
"/foo" == "/foo": true
|
||||
</code></pre></div> </details> <details class=example> <summary>Example: (2) Comparing JSON pointers and strings</summary> <p>The example demonstrates comparing JSON pointers and strings, and when doing so may raise an exception.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><exception></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
</code></pre></div> </details> <details class=example> <summary>Example: (2) Comparing JSON pointers and strings</summary> <p>The example demonstrates comparing JSON pointers and strings, and when doing so may raise an exception.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><exception></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// different strings</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str0</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str1</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str2</span><span class=p>(</span><span class=s>"bar"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str0</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str1</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str2</span><span class=p>(</span><span class=s>"bar"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// compare JSON pointers and strings</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>str0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>str1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>str0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str0</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>str1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=k>try</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str2</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>ex</span><span class=p>)</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ex</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>try</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> == </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str2</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>ex</span><span class=p>)</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ex</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>"" == "": true
|
||||
"" == "": true
|
||||
"/foo" == "/foo": true
|
||||
"bar" == "/foo": [json.exception.parse_error.107] parse error at byte 1: JSON pointer must be empty or begin with '/' - was: 'bar'
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 2.1.0. Added C++20 member functions in version 3.11.2.</li> <li>Added for backward compatibility and deprecated in version 3.11.2.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 7, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../operator_string_t/ class="md-footer__link md-footer__link--prev" aria-label="Previous: operator string_t" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> operator string_t </div> </div> </a> <a href=../operator_ne/ class="md-footer__link md-footer__link--next" aria-label="Next: operator!=" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> operator!= </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2022 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 Line truncated
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 2.1.0. Added C++20 member functions in version 3.11.2.</li> <li>Added for backward compatibility and deprecated in version 3.11.2.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 7, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2023 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z"/></svg> </a> <a href=https://www.linkedin.com/in/nielslohmann/ target=_blank rel=noopener title=www.linkedin.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 448 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 5Line truncated
|
||||
@@ -1,75 +1,75 @@
|
||||
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autocomplete=off spellcheck=false data-md-component=search-query requirLine truncated
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=o>></span><span class=w></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>!=</span><span class=p>(</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w></span>
|
||||
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</div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" 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placeholder=Search autocapitalize=off autocorrect=oLine truncated
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=o>></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>!=</span><span class=p>(</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeRhs</span><span class=o>>&</span><span class=w> </span><span class=n>rhs</span><span class=p>)</span><span class=w> </span><span class=k>noexcept</span><span class=p>;</span><span class=w> </span><span class=c1>// (1)</span>
|
||||
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span><span class=w></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>!=</span><span class=p>(</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w></span>
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeLhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>!=</span><span class=p>(</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeLhs</span><span class=o>>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>StringType</span><span class=o>&</span><span class=w> </span><span class=n>rhs</span><span class=p>);</span><span class=w> </span><span class=c1>// (2)</span>
|
||||
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span><span class=w></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>!=</span><span class=p>(</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>StringType</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w></span>
|
||||
<span class=k>template</span><span class=o><</span><span class=k>typename</span><span class=w> </span><span class=nc>RefStringTypeRhs</span><span class=p>,</span><span class=w> </span><span class=k>typename</span><span class=w> </span><span class=nc>StringType</span><span class=o>></span>
|
||||
<span class=kt>bool</span><span class=w> </span><span class=k>operator</span><span class=o>!=</span><span class=p>(</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>StringType</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span>
|
||||
<span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o><</span><span class=n>RefStringTypeRhs</span><span class=o>>&</span><span class=w> </span><span class=n>rhs</span><span class=p>);</span><span class=w> </span><span class=c1>// (2)</span>
|
||||
</code></pre></div> <ol> <li> <p>Compares two JSON pointers for inequality by comparing their reference tokens.</p> </li> <li> <p>Compares a JSON pointer and a string or a string and a JSON pointer for inequality by converting the string to a JSON pointer and comparing the JSON pointers according to 1.</p> </li> </ol> <h2 id=template-parameters>Template parameters<a class=headerlink href=#template-parameters title="Permanent link">¶</a></h2> <dl> <dt><code>RefStringTypeLhs</code>, <code>RefStringTypeRhs</code></dt> <dd>the string type of the left-hand side or right-hand side JSON pointer, respectively</dd> <dt><code>StringType</code></dt> <dd>the string type derived from the <code>json_pointer</code> operand (<a href=../string_t/ ><code>json_pointer::string_t</code></a>)</dd> </dl> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>lhs</code> (in)</dt> <dd>first value to consider</dd> <dt><code>rhs</code> (in)</dt> <dd>second value to consider</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>whether the values <code>lhs</code>/<code>*this</code> and <code>rhs</code> are not equal</p> <h2 id=exception-safety>Exception safety<a class=headerlink href=#exception-safety title="Permanent link">¶</a></h2> <ol> <li>No-throw guarantee: this function never throws exceptions.</li> <li>Strong exception safety: if an exception occurs, the original value stays intact.</li> </ol> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <ol> <li>(none)</li> <li>The function can throw the following exceptions:</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error107>parse_error.107</a> if the given JSON pointer <code>s</code> is nonempty and does not begin with a slash (<code>/</code>); see example below.</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error108>parse_error.108</a> if a tilde (<code>~</code>) in the given JSON pointer <code>s</code> is not followed by <code>0</code> (representing <code>~</code>) or <code>1</code> (representing <code>/</code>); see example below.</li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant if <code>lhs</code> and <code>rhs</code> differ in the number of reference tokens, otherwise linear in the number of reference tokens.</p> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <div class="admonition note"> <p class=admonition-title>Operator overload resolution</p> <p>Since C++20 overload resolution will consider the <em>rewritten candidate</em> generated from <a href=../operator_eq/ ><code>operator==</code></a>.</p> </div> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>Overload 2 is deprecated and will be removed in a future major version release.</p> </div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example: (1) Comparing JSON pointers</summary> <p>The example demonstrates comparing JSON pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
</code></pre></div> <ol> <li> <p>Compares two JSON pointers for inequality by comparing their reference tokens.</p> </li> <li> <p>Compares a JSON pointer and a string or a string and a JSON pointer for inequality by converting the string to a JSON pointer and comparing the JSON pointers according to 1.</p> </li> </ol> <h2 id=template-parameters>Template parameters<a class=headerlink href=#template-parameters title="Permanent link">¶</a></h2> <dl> <dt><code>RefStringTypeLhs</code>, <code>RefStringTypeRhs</code></dt> <dd>the string type of the left-hand side or right-hand side JSON pointer, respectively</dd> <dt><code>StringType</code></dt> <dd>the string type derived from the <code>json_pointer</code> operand (<a href=../string_t/ ><code>json_pointer::string_t</code></a>)</dd> </dl> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>lhs</code> (in)</dt> <dd>first value to consider</dd> <dt><code>rhs</code> (in)</dt> <dd>second value to consider</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>whether the values <code>lhs</code>/<code>*this</code> and <code>rhs</code> are not equal</p> <h2 id=exception-safety>Exception safety<a class=headerlink href=#exception-safety title="Permanent link">¶</a></h2> <ol> <li>No-throw guarantee: this function never throws exceptions.</li> <li>Strong exception safety: if an exception occurs, the original value stays intact.</li> </ol> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <ol> <li>(none)</li> <li>The function can throw the following exceptions:</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error107>parse_error.107</a> if the given JSON pointer <code>s</code> is nonempty and does not begin with a slash (<code>/</code>); see example below.</li> <li>Throws <a href=../../../home/exceptions/#jsonexceptionparse_error108>parse_error.108</a> if a tilde (<code>~</code>) in the given JSON pointer <code>s</code> is not followed by <code>0</code> (representing <code>~</code>) or <code>1</code> (representing <code>/</code>); see example below.</li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant if <code>lhs</code> and <code>rhs</code> differ in the number of reference tokens, otherwise linear in the number of reference tokens.</p> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <div class="admonition note"> <p class=admonition-title>Operator overload resolution</p> <p>Since C++20 overload resolution will consider the <em>rewritten candidate</em> generated from <a href=../operator_eq/ ><code>operator==</code></a>.</p> </div> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>Overload 2 is deprecated and will be removed in a future major version release.</p> </div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example: (1) Comparing JSON pointers</summary> <p>The example demonstrates comparing JSON pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// compare JSON pointers</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr1</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr1</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>"" != "": false
|
||||
"" != "": false
|
||||
"" != "/foo": true
|
||||
"/foo" != "/foo": false
|
||||
</code></pre></div> </details> <details class=example> <summary>Example: (2) Comparing JSON pointers and strings</summary> <p>The example demonstrates comparing JSON pointers and strings, and when doing so may raise an exception.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
</code></pre></div> </details> <details class=example> <summary>Example: (2) Comparing JSON pointers and strings</summary> <p>The example demonstrates comparing JSON pointers and strings, and when doing so may raise an exception.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr0</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// different strings</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str0</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str1</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str2</span><span class=p>(</span><span class=s>"bar"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str0</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str1</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>str2</span><span class=p>(</span><span class=s>"bar"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// compare JSON pointers and strings</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>str0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>str1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>str0</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str0</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str0</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=sc>'\n'</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>ptr2</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>str1</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=k>try</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str2</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>ex</span><span class=p>)</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ex</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=p>}</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>try</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>str2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> != </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>: "</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=p>(</span><span class=n>str2</span><span class=w> </span><span class=o>!=</span><span class=w> </span><span class=n>ptr2</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=w> </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&</span><span class=w> </span><span class=n>ex</span><span class=p>)</span>
|
||||
<span class=w> </span><span class=p>{</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ex</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=p>}</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>"" != "": false
|
||||
"" != "": false
|
||||
"/foo" != "/foo": false
|
||||
"bar" != "/foo": [json.exception.parse_error.107] parse error at byte 1: JSON pointer must be empty or begin with '/' - was: 'bar'
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 2.1.0.</li> <li>Added for backward compatibility and deprecated in version 3.11.2.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 7, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../operator_eq/ class="md-footer__link md-footer__link--prev" aria-label="Previous: operator==" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> operator== </div> </div> </a> <a href=../operator_slash/ class="md-footer__link md-footer__link--next" aria-label="Next: operator/" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> operator/ </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 2.1.0.</li> <li>Added for backward compatibility and deprecated in version 3.11.2.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 7, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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<span class=n>json_pointer</span><span class=w> </span><span class=k>operator</span><span class=o>/</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>rhs</span><span class=p>);</span><span class=w></span>
|
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</div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12c0-2.42-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> </form> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5Z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrecLine truncated
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<span class=n>json_pointer</span><span class=w> </span><span class=k>operator</span><span class=o>/</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w> </span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>rhs</span><span class=p>);</span>
|
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<span class=c1>// (2)</span>
|
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<span class=n>json_pointer</span><span class=w> </span><span class=k>operator</span><span class=o>/</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w> </span><span class=n>string_t</span><span class=w> </span><span class=n>token</span><span class=p>);</span><span class=w></span>
|
||||
<span class=n>json_pointer</span><span class=w> </span><span class=k>operator</span><span class=o>/</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w> </span><span class=n>string_t</span><span class=w> </span><span class=n>token</span><span class=p>);</span>
|
||||
|
||||
<span class=c1>// (3)</span>
|
||||
<span class=n>json_pointer</span><span class=w> </span><span class=k>operator</span><span class=o>/</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=kt>size_t</span><span class=w> </span><span class=n>array_idx</span><span class=p>);</span><span class=w></span>
|
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</code></pre></div> <ol> <li>create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer</li> <li>create a new JSON pointer by appending the unescaped token at the end of the JSON pointer</li> <li>create a new JSON pointer by appending the array-index-token at the end of the JSON pointer</li> </ol> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>lhs</code> (in)</dt> <dd>JSON pointer</dd> <dt><code>rhs</code> (in)</dt> <dd>JSON pointer to append</dd> <dt><code>token</code> (in)</dt> <dd>reference token to append</dd> <dt><code>array_idx</code> (in)</dt> <dd>array index to append</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <ol> <li>a new JSON pointer with <code>rhs</code> appended to <code>lhs</code></li> <li>a new JSON pointer with unescaped <code>token</code> appended to <code>lhs</code></li> <li>a new JSON pointer with <code>array_idx</code> appended to <code>lhs</code></li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <ol> <li>Linear in the length of <code>lhs</code> and <code>rhs</code>.</li> <li>Linear in the length of <code>lhs</code>.</li> <li>Linear in the length of <code>lhs</code>.</li> </ol> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>operator/</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
<span class=n>json_pointer</span><span class=w> </span><span class=k>operator</span><span class=o>/</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>lhs</span><span class=p>,</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=kt>size_t</span><span class=w> </span><span class=n>array_idx</span><span class=p>);</span>
|
||||
</code></pre></div> <ol> <li>create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer</li> <li>create a new JSON pointer by appending the unescaped token at the end of the JSON pointer</li> <li>create a new JSON pointer by appending the array-index-token at the end of the JSON pointer</li> </ol> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>lhs</code> (in)</dt> <dd>JSON pointer</dd> <dt><code>rhs</code> (in)</dt> <dd>JSON pointer to append</dd> <dt><code>token</code> (in)</dt> <dd>reference token to append</dd> <dt><code>array_idx</code> (in)</dt> <dd>array index to append</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <ol> <li>a new JSON pointer with <code>rhs</code> appended to <code>lhs</code></li> <li>a new JSON pointer with unescaped <code>token</code> appended to <code>lhs</code></li> <li>a new JSON pointer with <code>array_idx</code> appended to <code>lhs</code></li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <ol> <li>Linear in the length of <code>lhs</code> and <code>rhs</code>.</li> <li>Linear in the length of <code>lhs</code>.</li> <li>Linear in the length of <code>lhs</code>.</li> </ol> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>operator/</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// create a JSON pointer</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// append a JSON Pointer</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=p>(</span><span class=s>"/bar/baz"</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=p>(</span><span class=s>"/bar/baz"</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// append a string</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/</span><span class=w> </span><span class=s>"fob"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/</span><span class=w> </span><span class=s>"fob"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// append an array index</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/</span><span class=w> </span><span class=mi>42</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>"/foo/bar/baz"</span><span class=w></span>
|
||||
<span class=s2>"/foo/fob"</span><span class=w></span>
|
||||
<span class=s2>"/foo/42"</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 3.6.0.</li> <li>Added in version 3.6.0. Changed type of <code>token</code> to <code>string_t</code> in version 3.11.0.</li> <li>Added in version 3.6.0.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../operator_ne/ class="md-footer__link md-footer__link--prev" aria-label="Previous: operator!=" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> operator!= </div> </div> </a> <a href=../operator_slasheq/ class="md-footer__link md-footer__link--next" aria-label="Next: operator/=" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> operator/= </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2022 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.2Line truncated
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/</span><span class=w> </span><span class=mi>42</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>"/foo/bar/baz"</span>
|
||||
<span class=s2>"/foo/fob"</span>
|
||||
<span class=s2>"/foo/42"</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 3.6.0.</li> <li>Added in version 3.6.0. Changed type of <code>token</code> to <code>string_t</code> in version 3.11.0.</li> <li>Added in version 3.6.0.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2023 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z"/></svg> </a> <a href=https://www.linkedin.com/in/nielslohmann/ target=_blank rel=noopener title=www.linkedin.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 448 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.Line truncated
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<span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=k>operator</span><span class=o>/=</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>ptr</span><span class=p>);</span><span class=w></span>
|
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/operator_slasheq/ rel=canonical><link href=../operator_slash/ rel=prev><link href=../parent_pointer/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>operator/= - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet 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|
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<span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=k>operator</span><span class=o>/=</span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=n>ptr</span><span class=p>);</span>
|
||||
|
||||
<span class=c1>// (2)</span>
|
||||
<span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=k>operator</span><span class=o>/=</span><span class=p>(</span><span class=n>string_t</span><span class=w> </span><span class=n>token</span><span class=p>);</span><span class=w></span>
|
||||
<span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=k>operator</span><span class=o>/=</span><span class=p>(</span><span class=n>string_t</span><span class=w> </span><span class=n>token</span><span class=p>);</span>
|
||||
|
||||
<span class=c1>// (3)</span>
|
||||
<span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=k>operator</span><span class=o>/=</span><span class=p>(</span><span class=n>std</span><span class=o>::</span><span class=kt>size_t</span><span class=w> </span><span class=n>array_idx</span><span class=p>)</span><span class=w></span>
|
||||
</code></pre></div> <ol> <li>append another JSON pointer at the end of this JSON pointer</li> <li>append an unescaped reference token at the end of this JSON pointer</li> <li>append an array index at the end of this JSON pointer</li> </ol> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>ptr</code> (in)</dt> <dd>JSON pointer to append</dd> <dt><code>token</code> (in)</dt> <dd>reference token to append</dd> <dt><code>array_idx</code> (in)</dt> <dd>array index to append</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <ol> <li>JSON pointer with <code>ptr</code> appended</li> <li>JSON pointer with <code>token</code> appended without escaping <code>token</code></li> <li>JSON pointer with <code>array_idx</code> appended</li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <ol> <li>Linear in the length of <code>ptr</code>.</li> <li>Amortized constant.</li> <li>Amortized constant.</li> </ol> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>operator/=</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
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||||
<span class=n>json_pointer</span><span class=o>&</span><span class=w> </span><span class=k>operator</span><span class=o>/=</span><span class=p>(</span><span class=n>std</span><span class=o>::</span><span class=kt>size_t</span><span class=w> </span><span class=n>array_idx</span><span class=p>)</span>
|
||||
</code></pre></div> <ol> <li>append another JSON pointer at the end of this JSON pointer</li> <li>append an unescaped reference token at the end of this JSON pointer</li> <li>append an array index at the end of this JSON pointer</li> </ol> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>ptr</code> (in)</dt> <dd>JSON pointer to append</dd> <dt><code>token</code> (in)</dt> <dd>reference token to append</dd> <dt><code>array_idx</code> (in)</dt> <dd>array index to append</dd> </dl> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <ol> <li>JSON pointer with <code>ptr</code> appended</li> <li>JSON pointer with <code>token</code> appended without escaping <code>token</code></li> <li>JSON pointer with <code>array_idx</code> appended</li> </ol> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <ol> <li>Linear in the length of <code>ptr</code>.</li> <li>Amortized constant.</li> <li>Amortized constant.</li> </ol> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>operator/=</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// create a JSON pointer</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// append a JSON Pointer</span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/=</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=p>(</span><span class=s>"/bar/baz"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/=</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=p>(</span><span class=s>"/bar/baz"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// append a string</span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/=</span><span class=w> </span><span class=s>"fob"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/=</span><span class=w> </span><span class=s>"fob"</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// append an array index</span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/=</span><span class=w> </span><span class=mi>42</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>"/foo"</span><span class=w></span>
|
||||
<span class=s2>"/foo/bar/baz"</span><span class=w></span>
|
||||
<span class=s2>"/foo/bar/baz/fob"</span><span class=w></span>
|
||||
<span class=s2>"/foo/bar/baz/fob/42"</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 3.6.0.</li> <li>Added in version 3.6.0. Changed type of <code>token</code> to <code>string_t</code> in version 3.11.0.</li> <li>Added in version 3.6.0.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../operator_slash/ class="md-footer__link md-footer__link--prev" aria-label="Previous: operator/" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> operator/ </div> </div> </a> <a href=../parent_pointer/ class="md-footer__link md-footer__link--next" aria-label="Next: parent_pointer" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> parent_pointer </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2022 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.9Line truncated
|
||||
<span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o>/=</span><span class=w> </span><span class=mi>42</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>"/foo"</span>
|
||||
<span class=s2>"/foo/bar/baz"</span>
|
||||
<span class=s2>"/foo/bar/baz/fob"</span>
|
||||
<span class=s2>"/foo/bar/baz/fob/42"</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ol> <li>Added in version 3.6.0.</li> <li>Added in version 3.6.0. Changed type of <code>token</code> to <code>string_t</code> in version 3.11.0.</li> <li>Added in version 3.6.0.</li> </ol> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2023 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z"/></svg> </a> <a href=https://www.linkedin.com/in/nielslohmann/ target=_blank rel=noopener title=www.linkedin.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 448 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.Line truncated
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@@ -1,27 +1,27 @@
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class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> operator string_t </span> </div> </div> </div> <form 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autocapitalize=off autocorrect=off autocomplete=off spellcheck=false data-md-Line truncated
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||||
</code></pre></div> <p>Return a string representation of the JSON pointer.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>A string representation of the JSON pointer</p> <h2 id=possible-implementation>Possible implementation<a class=headerlink href=#possible-implementation title="Permanent link">¶</a></h2> <div class=highlight><pre><span></span><code><span class=k>operator</span><span class=w> </span><span class=n>string_t</span><span class=p>()</span><span class=w> </span><span class=k>const</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=k>return</span><span class=w> </span><span class=n>to_string</span><span class=p>();</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>This function is deprecated in favor of <a href=../to_string/ ><code>to_string</code></a> and will be removed in a future major version release.</p> </div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows how JSON Pointers can be implicitly converted to strings.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/operator_string_t/ rel=canonical><link href=../empty/ rel=prev><link href=../operator_eq/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>operator string_t - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../../css/custom.css><script>__md_scope=new URL("../../..",location),__md_hash=e=>[...e].reduce((e,_)=>(e<<5)-e+_.charCodeAt(0),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script></head> <body dir=ltr data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo> <script>var palette=__md_get("__palette");if(palette&&"object"==typeof palette.color)for(var key of Object.keys(palette.color))document.body.setAttribute("data-md-color-"+key,palette.color[key])</script> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label class=md-overlay for=__drawer></label> <div data-md-component=skip> <a href=#nlohmannjson_pointeroperator-string_t class=md-skip> Skip to content </a> </div> <div data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> operator string_t </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12c0-2.42-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> </form> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5Z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitaliLine truncated
|
||||
</code></pre></div> <p>Return a string representation of the JSON pointer.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>A string representation of the JSON pointer</p> <h2 id=possible-implementation>Possible implementation<a class=headerlink href=#possible-implementation title="Permanent link">¶</a></h2> <div class=highlight><pre><span></span><code><span class=k>operator</span><span class=w> </span><span class=n>string_t</span><span class=p>()</span><span class=w> </span><span class=k>const</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=k>return</span><span class=w> </span><span class=n>to_string</span><span class=p>();</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <div class="admonition warning"> <p class=admonition-title>Deprecation</p> <p>This function is deprecated in favor of <a href=../to_string/ ><code>to_string</code></a> and will be removed in a future major version release.</p> </div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows how JSON Pointers can be implicitly converted to strings.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON Pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/a~1b"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/a~1b"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// implicit conversion to string</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>s</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=n>ptr1</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=s>"</span><span class=se>\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=n>ptr2</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>string</span><span class=w> </span><span class=n>s</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=n>ptr1</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=s>"</span><span class=se>\n</span><span class=s>"</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>+=</span><span class=w> </span><span class=n>ptr2</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>s</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>/</span><span class=kc>f</span><span class=err>oo/</span><span class=mi>0</span><span class=w></span>
|
||||
<span class=err>/a~</span><span class=mi>1</span><span class=err>b</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Since version 2.0.0.</li> <li>Changed type to <code>string_t</code> and deprecated in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">July 28, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../empty/ class="md-footer__link md-footer__link--prev" aria-label="Previous: empty" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> empty </div> </div> </a> <a href=../operator_eq/ class="md-footer__link md-footer__link--next" aria-label="Next: operator==" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> operator== </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>s</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>/</span><span class=kc>f</span><span class=err>oo/</span><span class=mi>0</span>
|
||||
<span class=err>/a~</span><span class=mi>1</span><span class=err>b</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Since version 2.0.0.</li> <li>Changed type to <code>string_t</code> and deprecated in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">July 28, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
@@ -1,23 +1,23 @@
|
||||
<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/parent_pointer/ rel=canonical><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.4.2, mkdocs-material-8.5.10"><title>parent_pointer - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.975780f9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.2505c338.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../../css/custom.css><script>__md_scope=new 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data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> parent_pointer </span> </div> </div> </div> <form class=md-header__option 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autocomplete=off spellcheck=false data-md-component=seLine truncated
|
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</code></pre></div> <p>Returns the parent of this JSON pointer.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>Parent of this JSON pointer; in case this JSON pointer is the root, the root itself is returned.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Linear in the length of the JSON pointer.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>parent_pointer</code> for different JSON Pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/parent_pointer/ rel=canonical><link href=../operator_slasheq/ rel=prev><link href=../pop_back/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>parent_pointer - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet 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data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> parent_pointer </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" 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</code></pre></div> <p>Returns the parent of this JSON pointer.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>Parent of this JSON pointer; in case this JSON pointer is the root, the root itself is returned.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Linear in the length of the JSON pointer.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>parent_pointer</code> for different JSON Pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON Pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr3</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr3</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// call parent_pointer()</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"parent of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>parent_pointer</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"parent of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>parent_pointer</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"parent of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=p>.</span><span class=n>parent_pointer</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>pare</span><span class=kc>nt</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>""</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>""</span><span class=w></span>
|
||||
<span class=err>pare</span><span class=kc>nt</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>""</span><span class=w></span>
|
||||
<span class=err>pare</span><span class=kc>nt</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo/0"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>"/foo"</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <p>Added in version 3.6.0.</p> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../operator_slasheq/ class="md-footer__link md-footer__link--prev" aria-label="Previous: operator/=" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> operator/= </div> </div> </a> <a href=../pop_back/ class="md-footer__link md-footer__link--next" aria-label="Next: pop_back" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> pop_back </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"parent of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>parent_pointer</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"parent of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>parent_pointer</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"parent of </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s> is </span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=p>.</span><span class=n>parent_pointer</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>pare</span><span class=kc>nt</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>""</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>""</span>
|
||||
<span class=err>pare</span><span class=kc>nt</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>""</span>
|
||||
<span class=err>pare</span><span class=kc>nt</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=s2>"/foo/0"</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=s2>"/foo"</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <p>Added in version 3.6.0.</p> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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autocomplete=off spellcheck=false data-md-component=search-query required> <laLine truncated
|
||||
</code></pre></div> <p>Remove last reference token.</p> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <p>Throws <a href=../../../home/exceptions/#jsonexceptionout_of_range405>out_of_range.405</a> if JSON pointer has no parent.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>pop_back</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/pop_back/ rel=canonical><link href=../parent_pointer/ rel=prev><link href=../push_back/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>pop_back - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet 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data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> pop_back </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12c0-2.42-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> </form> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5Z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrect=off autocoLine truncated
|
||||
</code></pre></div> <p>Remove last reference token.</p> <h2 id=exceptions>Exceptions<a class=headerlink href=#exceptions title="Permanent link">¶</a></h2> <p>Throws <a href=../../../home/exceptions/#jsonexceptionout_of_range405>out_of_range.405</a> if JSON pointer has no parent.</p> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the usage of <code>pop_back</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// create empty JSON Pointer</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>(</span><span class=s>"/foo/bar/baz"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>(</span><span class=s>"/foo/bar/baz"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// call pop_back()</span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>pop_back</span><span class=p>();</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>pop_back</span><span class=p>();</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>pop_back</span><span class=p>();</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>pop_back</span><span class=p>();</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>pop_back</span><span class=p>();</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>"/foo/bar/baz"</span><span class=w></span>
|
||||
<span class=s2>"/foo/bar"</span><span class=w></span>
|
||||
<span class=s2>"/foo"</span><span class=w></span>
|
||||
<span class=s2>""</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <p>Added in version 3.6.0.</p> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../parent_pointer/ class="md-footer__link md-footer__link--prev" aria-label="Previous: parent_pointer" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> parent_pointer </div> </div> </a> <a href=../push_back/ class="md-footer__link md-footer__link--next" aria-label="Next: push_back" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> push_back </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>pop_back</span><span class=p>();</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>"/foo/bar/baz"</span>
|
||||
<span class=s2>"/foo/bar"</span>
|
||||
<span class=s2>"/foo"</span>
|
||||
<span class=s2>""</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <p>Added in version 3.6.0.</p> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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||||
@@ -1,29 +1,29 @@
|
||||
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autocomplete=off spellcheck=false data-md-component=search-query required>Line truncated
|
||||
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data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> push_back </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" title="Switch 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placeholder=Search autocapitalize=off autocorrect=off autocomplLine truncated
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<span class=kt>void</span><span class=w> </span><span class=nf>push_back</span><span class=p>(</span><span class=n>string_t</span><span class=o>&&</span><span class=w> </span><span class=n>token</span><span class=p>);</span><span class=w></span>
|
||||
</code></pre></div> <p>Append an unescaped token at the end of the reference pointer.</p> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>token</code> (in)</dt> <dd>token to add</dd> </dl> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Amortized constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>push_back</code> for different JSON Pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
<span class=kt>void</span><span class=w> </span><span class=nf>push_back</span><span class=p>(</span><span class=n>string_t</span><span class=o>&&</span><span class=w> </span><span class=n>token</span><span class=p>);</span>
|
||||
</code></pre></div> <p>Append an unescaped token at the end of the reference pointer.</p> <h2 id=parameters>Parameters<a class=headerlink href=#parameters title="Permanent link">¶</a></h2> <dl> <dt><code>token</code> (in)</dt> <dd>token to add</dd> </dl> <h2 id=complexity>Complexity<a class=headerlink href=#complexity title="Permanent link">¶</a></h2> <p>Amortized constant.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>push_back</code> for different JSON Pointers.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// create empty JSON Pointer</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr</span><span class=p>;</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=c1>// call push_back()</span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>"foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>"foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>"0"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>"0"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>"bar"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>""</span><span class=w></span>
|
||||
<span class=s2>"/foo"</span><span class=w></span>
|
||||
<span class=s2>"/foo/0"</span><span class=w></span>
|
||||
<span class=s2>"/foo/0/bar"</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 3.6.0.</li> <li>Changed type of <code>token</code> to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../pop_back/ class="md-footer__link md-footer__link--prev" aria-label="Previous: pop_back" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> pop_back </div> </div> </a> <a href=../string_t/ class="md-footer__link md-footer__link--next" aria-label="Next: string_t" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> string_t </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
<span class=w> </span><span class=n>ptr</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>"bar"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>""</span>
|
||||
<span class=s2>"/foo"</span>
|
||||
<span class=s2>"/foo/0"</span>
|
||||
<span class=s2>"/foo/0/bar"</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 3.6.0.</li> <li>Changed type of <code>token</code> to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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@@ -1,17 +1,17 @@
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autocomplete=off spellcheck=false data-md-component=search-query required> <laLine truncated
|
||||
</code></pre></div> <p>The string type used for the reference tokens making up the JSON pointer.</p> <p>See <a href=../../basic_json/string_t/ ><code>basic_json::string_t</code></a> for more information.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the type <code>string_t</code> and its relation to <code>basic_json::string_t</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
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data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> string_t </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12c0-2.42-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> </form> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5Z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrect=off autocompletLine truncated
|
||||
</code></pre></div> <p>The string type used for the reference tokens making up the JSON pointer.</p> <p>See <a href=../../basic_json/string_t/ ><code>basic_json::string_t</code></a> for more information.</p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the type <code>string_t</code> and its relation to <code>basic_json::string_t</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=o>::</span><span class=n>string_t</span><span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"This is a string."</span><span class=p>;</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=o>::</span><span class=n>string_t</span><span class=w> </span><span class=n>s</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"This is a string."</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>s</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>s</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>is_same</span><span class=o><</span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=o>::</span><span class=n>string_t</span><span class=p>,</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>string_t</span><span class=o>>::</span><span class=n>value</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>This</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=err>a</span><span class=w> </span><span class=err>s</span><span class=kc>tr</span><span class=err>i</span><span class=kc>n</span><span class=err>g.</span><span class=w></span>
|
||||
<span class=kc>true</span><span class=w></span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 17, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../push_back/ class="md-footer__link md-footer__link--prev" aria-label="Previous: push_back" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> push_back </div> </div> </a> <a href=../to_string/ class="md-footer__link md-footer__link--next" aria-label="Next: to_string" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> to_string </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2022 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.2.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.29Line truncated
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>boolalpha</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>is_same</span><span class=o><</span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=o>::</span><span class=n>string_t</span><span class=p>,</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>string_t</span><span class=o>>::</span><span class=n>value</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>This</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=err>a</span><span class=w> </span><span class=err>s</span><span class=kc>tr</span><span class=err>i</span><span class=kc>n</span><span class=err>g.</span>
|
||||
<span class=kc>true</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Added in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 17, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2023 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - 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|
||||
@@ -1,49 +1,49 @@
|
||||
<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/to_string/ rel=canonical><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.4.2, mkdocs-material-8.5.10"><title>to_string - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.975780f9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.2505c338.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../../css/custom.css><script>__md_scope=new 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data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> to_string </span> </div> </div> </div> <form class=md-header__option 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xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12c0-2.42-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> </form> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5Z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrect=off autocomplete=off spellcheck=false data-md-component=search-query required>Line truncated
|
||||
</code></pre></div> <p>Return a string representation of the JSON pointer.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>A string representation of the JSON pointer</p> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <p>For each JSON pointer <code>ptr</code>, it holds:</p> <div class=highlight><pre><span></span><code><span class=n>ptr</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>json_pointer</span><span class=p>(</span><span class=n>ptr</span><span class=p>.</span><span class=n>to_string</span><span class=p>());</span><span class=w></span>
|
||||
</code></pre></div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>to_string</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span><span class=cp></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span><span class=cp></span>
|
||||
<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/api/json_pointer/to_string/ rel=canonical><link href=../string_t/ rel=prev><link href=../../json_sax/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>to_string - JSON for Modern C++</title><link rel=stylesheet href=../../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet 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data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> to_string </span> </div> 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|
||||
</code></pre></div> <p>Return a string representation of the JSON pointer.</p> <h2 id=return-value>Return value<a class=headerlink href=#return-value title="Permanent link">¶</a></h2> <p>A string representation of the JSON pointer</p> <h2 id=notes>Notes<a class=headerlink href=#notes title="Permanent link">¶</a></h2> <p>For each JSON pointer <code>ptr</code>, it holds:</p> <div class=highlight><pre><span></span><code><span class=n>ptr</span><span class=w> </span><span class=o>==</span><span class=w> </span><span class=n>json_pointer</span><span class=p>(</span><span class=n>ptr</span><span class=p>.</span><span class=n>to_string</span><span class=p>());</span>
|
||||
</code></pre></div> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">¶</a></h2> <details class=example> <summary>Example</summary> <p>The example shows the result of <code>to_string</code>.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
|
||||
<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
|
||||
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span><span class=w></span>
|
||||
<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
|
||||
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span><span class=w></span>
|
||||
<span class=p>{</span><span class=w></span>
|
||||
<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
|
||||
<span class=p>{</span>
|
||||
<span class=w> </span><span class=c1>// different JSON Pointers</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr3</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr4</span><span class=p>(</span><span class=s>"/"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr5</span><span class=p>(</span><span class=s>"/a~1b"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr6</span><span class=p>(</span><span class=s>"/c%d"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr7</span><span class=p>(</span><span class=s>"/e^f"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr8</span><span class=p>(</span><span class=s>"/g|h"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr9</span><span class=p>(</span><span class=s>"/i</span><span class=se>\\</span><span class=s>j"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr10</span><span class=p>(</span><span class=s>"/k</span><span class=se>\"</span><span class=s>l"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr11</span><span class=p>(</span><span class=s>"/ "</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr12</span><span class=p>(</span><span class=s>"/m~0n"</span><span class=p>);</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr1</span><span class=p>(</span><span class=s>""</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr2</span><span class=p>(</span><span class=s>"/foo"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr3</span><span class=p>(</span><span class=s>"/foo/0"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr4</span><span class=p>(</span><span class=s>"/"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr5</span><span class=p>(</span><span class=s>"/a~1b"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr6</span><span class=p>(</span><span class=s>"/c%d"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr7</span><span class=p>(</span><span class=s>"/e^f"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr8</span><span class=p>(</span><span class=s>"/g|h"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr9</span><span class=p>(</span><span class=s>"/i</span><span class=se>\\</span><span class=s>j"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr10</span><span class=p>(</span><span class=s>"/k</span><span class=se>\"</span><span class=s>l"</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr11</span><span class=p>(</span><span class=s>"/ "</span><span class=p>);</span>
|
||||
<span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>json_pointer</span><span class=w> </span><span class=n>ptr12</span><span class=p>(</span><span class=s>"/m~0n"</span><span class=p>);</span>
|
||||
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr4</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr5</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr6</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr7</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr8</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr9</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr10</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr11</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span><span class=w></span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr12</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span><span class=w></span>
|
||||
<span class=p>}</span><span class=w></span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>""</span><span class=w></span>
|
||||
<span class=s2>"/foo"</span><span class=w></span>
|
||||
<span class=s2>"/foo/0"</span><span class=w></span>
|
||||
<span class=s2>"/"</span><span class=w></span>
|
||||
<span class=s2>"/a~1b"</span><span class=w></span>
|
||||
<span class=s2>"/c%d"</span><span class=w></span>
|
||||
<span class=s2>"/e^f"</span><span class=w></span>
|
||||
<span class=s2>"/g|h"</span><span class=w></span>
|
||||
<span class=s2>"/i\j"</span><span class=w></span>
|
||||
<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr1</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr2</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr3</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr4</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr5</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr6</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr7</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr8</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr9</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr10</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr11</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"\n</span><span class=s>"</span>
|
||||
<span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>ptr12</span><span class=p>.</span><span class=n>to_string</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=s>"</span><span class=se>\"</span><span class=s>"</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
|
||||
<span class=p>}</span>
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=s2>""</span>
|
||||
<span class=s2>"/foo"</span>
|
||||
<span class=s2>"/foo/0"</span>
|
||||
<span class=s2>"/"</span>
|
||||
<span class=s2>"/a~1b"</span>
|
||||
<span class=s2>"/c%d"</span>
|
||||
<span class=s2>"/e^f"</span>
|
||||
<span class=s2>"/g|h"</span>
|
||||
<span class=s2>"/i\j"</span>
|
||||
<span class=s2>"/k"</span><span class=err>l</span><span class=s2>"</span>
|
||||
<span class=s2>"</span><span class=err>/</span><span class=w> </span><span class=s2>"</span>
|
||||
<span class=s2>"</span><span class=err>/m~</span><span class=mi>0</span><span class=kc>n</span><span class=err>"</span>
|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Since version 2.0.0.</li> <li>Changed return type to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <a href=# class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </a> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=../string_t/ class="md-footer__link md-footer__link--prev" aria-label="Previous: string_t" rel=prev> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Previous </span> string_t </div> </div> </a> <a href=../../json_sax/ class="md-footer__link md-footer__link--next" aria-label="Next: Overview" rel=next> <div class=md-footer__title> <div class=md-ellipsis> <span class=md-footer__direction> Next </span> Overview </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 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|
||||
</code></pre></div> </details> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">¶</a></h2> <ul> <li>Since version 2.0.0.</li> <li>Changed return type to <code>string_t</code> in version 3.11.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2023 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - 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|
||||
Reference in new issue
Block a user