* Review and extend the documentation, and check it in CI
A review of all documentation pages found factual errors, dead links,
missing cross-references, and gaps in examples. This fixes them and adds
checks so the same problems are caught automatically.
Fixes:
- wrong signatures and version histories (operator!= C++20 member,
binary() subtype type, get<PointerType>(), JSON_NO_THREAD_LOCAL, ...)
- stale descriptions (number parsing since #5283, UBJSON table, SAX
example that no longer compiled, tsl::ordered_map advice)
- dead internal and external links; repology.org badges (the domain is
suspended) replaced by badges that query the registries directly
- deprecation notes link the migration guide; the guide itself fixed
Additions:
- "See also" sections, cross-references, 25 runnable examples, 12
Mermaid diagrams, new API pages for json_pointer::operator<=> and
byte_container_with_subtype::operator==/!=
- landing page, guides for untrusted input and performance
- "unreleased" badge after versions newer than the latest release
Checks:
- strict documentation build (broken links/anchors fail it); CI and
the publish workflow fetch the full history the build needs
- weekly external link check, Mermaid syntax check in CI
- check_structure.py: example titles, heading levels, alt texts,
header links, docset index coverage; its unused-example check works
again
- all examples produce the same output on every platform
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
* Keep the customer links that could not be fixed
A dead link on the customers page is still the evidence of where the
use of the library was documented. Keep the original URLs of the entries
without a working replacement (Marne, Cisco Webex Desk Camera, Philips
Hue, CyberArk) and exclude exactly these URLs from the link check.
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
* Correct the duplicate-key recipe's claim about SAX positions
The SAX interface's key() receives no position either; only parse_error()
does. Also note that the recipe does not report the path to the repeated
key (see discussion #5085).
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
* Say the library is available as a single header and mention json_fwd.hpp
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
* Correct documentation errors found while hunting for bugs
- patch/patch_inplace: list the JSON pointer errors parse_error.106-109
and out_of_range.402/404, and quote the actual parse_error.105 message.
- unflatten: list parse_error.106/107/108 and out_of_range.404.
- to_bson: list out_of_range.415 (binary subtype above 255) and note
that 412 and 415 are new in 3.13.0.
- to_string: state that string_t must be convertible to std::string, also
in the StringType requirements table.
- JSON Lines: a `while (input >> j)` loop also throws after the last value
for concatenated JSON values; show a loop that works for both.
- BON8: a string gets 0xFF only if nothing follows it in the message; a
string at the end of an array or object is ended by 0xFE.
- custom_string_type.hpp: add operator+=(char), which the "Always
required" list asks for (json_pointer::to_string, flatten, unflatten,
and diff did not compile), and an ADL int_to_string for diff and items.
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
* Cache the release headers with functools.lru_cache
Codacy (Pylint) flagged the mutable default argument that header() used
as its cache. functools.lru_cache keeps the same memoization without it.
The script's output is unchanged.
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Signed-off-by: Niels Lohmann <mail@nlohmann.me>
* docs: add 89 customers and sort all sections
Extend the customers page from 136 to 225 entries. New entries were
found by searching vendor open-source notices and by inspecting
dependency manifests in public repositories.
Every added entry was verified to link either to a page that credits
the library, or to an open source repository where its use is directly
visible (a vendored copy, a build manifest, or an include). Candidates
whose only evidence was a transitive dependency (via ICU or
KDDockWidgets), packaging metadata, or an unused vendored file were
dropped rather than listed.
Also sort every section alphabetically ignoring case, and keep the
Peregrine lunar lander first under "Space Exploration".
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
* docs: add 41 customers and rebuild the overview image
The list was assembled by searching for names one at a time, which is why it
had plateaued. These additions come from enumerating instead: a public code
search returning every repository that references the library, and the reverse
build-dependencies of the Debian and Ubuntu source indices.
Every addition cites a first-party call site rather than a repository root,
and every evidence URL was checked to resolve. Several prominent candidates
were rejected on exactly that test:
- Node.js reaches the library only through deps/icu-small, the inherited
attribution ICU carries into everything that ships it.
- Visual Studio Code's only hits are copies of the library's own headers
used as sample C++ in the Copilot extension's test fixtures.
- OSS-Fuzz fuzzes the library rather than calling it; projects/json/ is the
library's own OSS-Fuzz integration.
- libuv matched only its AUTHORS file, which lists a contributor by name.
- simdjson and LLVM matched only benchmarks and a mangled-symbol test.
Two entries were already present under a different name and are merged rather
than duplicated: PrestoDB, and DB Browser for SQLite under its repository name.
GitHub CodeQL's citation moves from the repository root to shared/cpp/Diagnostics.h,
which includes the header directly.
The image is rebuilt with 236 logos over 17 rows. It is smaller than the one it
replaces, 1.02 MB against 1.35 MB, despite carrying 100 more marks.
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Signed-off-by: Niels Lohmann <mail@nlohmann.me>
Niels Lohmann