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add include callback

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pantor
2021-09-07 10:00:33 +02:00
parent 9b9dd96a46
commit cf71b54151
8 changed files with 770 additions and 682 deletions
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README.md
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@@ -183,12 +183,19 @@ env.render("Content: {% include \"content\" %}", data); // "Content: Hello Peter
// Other template files are included relative from the current file location
render("{% include \"footer.html\" %}", data);
```
If a corresponding template could not be found in the file system, the *include callback* is called:
```
// The callback takes the current path and the wanted include name and returns a template
env.set_include_callback([&env](const std::string& path, const std::string& name) {
return env.parse("Hello {{ name }} from " + name);
});
// You can disable to search for templates in the file system via
env.set_search_included_templates_in_files(false);
```
Inja will throw an `inja::RenderError` if an included file is not found. To disable this error, you can call `env.set_throw_at_missing_includes(false)`.
Inja will throw an `inja::RenderError` if an included file is not found and no callback is specified. To disable this error, you can call `env.set_throw_at_missing_includes(false)`.
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