* mkdocs: add string_view examples * mkdocs: reference underlying operators * mkdocs: add operator<=> examples * mkdocs: fix style check issues * mkdocs: tweak BJData page * mkdocs: add CMake option hints to macros * mkdocs: fix JSON_DISABLE_ENUM_SERIALIZATION definition * mkdocs: fix link to unit-udt.cpp * mkdocs: fix "Arbitrary Type Conversions" title * mkdocs: link to api/macros/*.md instead of features/macros.md * mkdocs: document JSON_DisableEnumSerialization CMake option * mkdocs: encode required C++ standard in example files * docset: detect gsed/sed * docset: update index * docset: fix CSS patching * docset: add list_missing_pages make target * docset: add list_removed_paths make target * docset: replace page titles with name from index * docset: add install target for Zeal docset browser * Use GCC_TOOL in ci_test_documentation target
2.9 KiB
2.9 KiB
Macros
Some aspects of the library can be configured by defining preprocessor macros before including the json.hpp
header. See also the macro overview page.
Runtime assertions
- JSON_ASSERT(x) - control behavior of runtime assertions
Exceptions
- JSON_CATCH_USER(exception)
JSON_THROW_USER(exception)
JSON_TRY_USER - control exceptions - JSON_DIAGNOSTICS - control extended diagnostics
- JSON_NOEXCEPTION - switch off exceptions
Language support
- JSON_HAS_CPP_11
JSON_HAS_CPP_14
JSON_HAS_CPP_17
JSON_HAS_CPP_20 - set supported C++ standard - JSON_HAS_FILESYSTEM
JSON_HAS_EXPERIMENTAL_FILESYSTEM - controlstd::filesystemsupport - JSON_HAS_RANGES - control
std::rangessupport - JSON_HAS_THREE_WAY_COMPARISON - control 3-way comparison support
- JSON_NO_IO - switch off functions relying on certain C++ I/O headers
- JSON_SKIP_UNSUPPORTED_COMPILER_CHECK - do not warn about unsupported compilers
Library version
- JSON_SKIP_LIBRARY_VERSION_CHECK - skip library version check
- NLOHMANN_JSON_VERSION_MAJOR
NLOHMANN_JSON_VERSION_MINOR
NLOHMANN_JSON_VERSION_PATCH - library version information
Library namespace
- NLOHMANN_JSON_NAMESPACE - full name of the
nlohmannnamespace - NLOHMANN_JSON_NAMESPACE_BEGIN
NLOHMANN_JSON_NAMESPACE_END - open and close the library namespace
Type conversions
- JSON_DISABLE_ENUM_SERIALIZATION - switch off default serialization/deserialization functions for enums
- JSON_USE_IMPLICIT_CONVERSIONS - control implicit conversions
Comparison behavior
- JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON - control comparison of discarded values
Serialization/deserialization macros
- NLOHMANN_DEFINE_TYPE_INTRUSIVE(type, member...)
NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(type, member...) - serialization/deserialization of types with access to private variables - NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(type, member...)
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(type, member...) - serialization/deserialization of types without access to private variables - NLOHMANN_JSON_SERIALIZE_ENUM(type, ...) - serialization/deserialization of enum types