mirror of
https://github.com/nlohmann/json.git
synced 2026-10-04 13:40:33 +00:00
Niels Lohmann
809ace26b3
Throwing type_error.316 from to_cbor(), to_ubjson(), to_bjdata(), and to_bson() by default would break code that works with 3.12.0, for example code that stores ISO 8859-1 in a string and only writes it to a binary format. Following the plan for 4.0.0, the check is now opt-in via the new macro JSON_STRICT_BINARY_UTF8 (default 0), which is planned to become the default in 4.0.0: - abi_macros.hpp: default 0 and ABI tag _sbu8; macro_unscope.hpp undefines it; CMake option JSON_StrictBinaryUTF8; ABI namespace tests updated. - binary_writer: the four writers call check_text_utf8(), which checks only if the macro is enabled. BON8 always checks, MessagePack never. - Tests: the strict checks move to unit-binary_utf8_strict.cpp, which defines the macro; the per-format tests now check that the default writes the bytes unchanged (from_X(to_X(j)) == j). - Docs: new macro page, macro lists, CMake option, namespace tags, and the writer/format pages describe the default and the opt-in. Signed-off-by: Niels Lohmann <mail@nlohmann.me>
156 lines
5.3 KiB
C++
156 lines
5.3 KiB
C++
// __ _____ _____ _____
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// __| | __| | | | JSON for Modern C++
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// | | |__ | | | | | | version 3.12.0
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// |_____|_____|_____|_|___| https://github.com/nlohmann/json
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//
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// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
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// SPDX-License-Identifier: MIT
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#pragma once
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// This file contains all macro definitions affecting or depending on the ABI
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#ifndef JSON_SKIP_LIBRARY_VERSION_CHECK
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#if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH)
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#if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 12 || NLOHMANN_JSON_VERSION_PATCH != 0
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#warning "Already included a different version of the library!"
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#endif
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#endif
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#endif
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#define NLOHMANN_JSON_VERSION_MAJOR 3 // NOLINT(modernize-macro-to-enum)
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#define NLOHMANN_JSON_VERSION_MINOR 12 // NOLINT(modernize-macro-to-enum)
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#define NLOHMANN_JSON_VERSION_PATCH 0 // NOLINT(modernize-macro-to-enum)
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#ifndef JSON_DIAGNOSTICS
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#define JSON_DIAGNOSTICS 0
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#endif
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#ifndef JSON_DIAGNOSTIC_POSITIONS
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#define JSON_DIAGNOSTIC_POSITIONS 0
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#endif
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#ifndef JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON
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#define JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON 0
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#endif
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#ifndef JSON_BRACE_INIT_COPY_SEMANTICS
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#define JSON_BRACE_INIT_COPY_SEMANTICS 0
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#endif
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#ifndef JSON_PRECISE_STREAM_POSITION
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#define JSON_PRECISE_STREAM_POSITION 0
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#endif
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#ifndef JSON_STRICT_NUL_HANDLING
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#define JSON_STRICT_NUL_HANDLING 0
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#endif
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#ifndef JSON_STRICT_BINARY_UTF8
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#define JSON_STRICT_BINARY_UTF8 0
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#endif
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#if JSON_DIAGNOSTICS
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#define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS _diag
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#else
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#define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS
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#endif
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#if JSON_DIAGNOSTIC_POSITIONS
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#define NLOHMANN_JSON_ABI_TAG_DIAGNOSTIC_POSITIONS _dp
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#else
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#define NLOHMANN_JSON_ABI_TAG_DIAGNOSTIC_POSITIONS
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#endif
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#if JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON
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#define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON _ldvcmp
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#else
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#define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON
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#endif
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#if JSON_BRACE_INIT_COPY_SEMANTICS
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#define NLOHMANN_JSON_ABI_TAG_BRACE_INIT_COPY_SEMANTICS _bics
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#else
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#define NLOHMANN_JSON_ABI_TAG_BRACE_INIT_COPY_SEMANTICS
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#endif
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#if JSON_PRECISE_STREAM_POSITION
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#define NLOHMANN_JSON_ABI_TAG_PRECISE_STREAM_POSITION _psp
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#else
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#define NLOHMANN_JSON_ABI_TAG_PRECISE_STREAM_POSITION
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#endif
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#if JSON_STRICT_NUL_HANDLING
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#define NLOHMANN_JSON_ABI_TAG_STRICT_NUL_HANDLING _snul
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#else
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#define NLOHMANN_JSON_ABI_TAG_STRICT_NUL_HANDLING
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#endif
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#if JSON_STRICT_BINARY_UTF8
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#define NLOHMANN_JSON_ABI_TAG_STRICT_BINARY_UTF8 _sbu8
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#else
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#define NLOHMANN_JSON_ABI_TAG_STRICT_BINARY_UTF8
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#endif
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#ifndef NLOHMANN_JSON_NAMESPACE_NO_VERSION
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#define NLOHMANN_JSON_NAMESPACE_NO_VERSION 0
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#endif
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// Construct the namespace ABI tags component
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#define NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b, c, d, e, f, g) json_abi ## a ## b ## c ## d ## e ## f ## g
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#define NLOHMANN_JSON_ABI_TAGS_CONCAT(a, b, c, d, e, f, g) \
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NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b, c, d, e, f, g)
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#define NLOHMANN_JSON_ABI_TAGS \
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NLOHMANN_JSON_ABI_TAGS_CONCAT( \
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NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS, \
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NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON, \
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NLOHMANN_JSON_ABI_TAG_DIAGNOSTIC_POSITIONS, \
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NLOHMANN_JSON_ABI_TAG_BRACE_INIT_COPY_SEMANTICS, \
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NLOHMANN_JSON_ABI_TAG_PRECISE_STREAM_POSITION, \
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NLOHMANN_JSON_ABI_TAG_STRICT_NUL_HANDLING, \
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NLOHMANN_JSON_ABI_TAG_STRICT_BINARY_UTF8)
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// Construct the namespace version component
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#define NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT_EX(major, minor, patch) \
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_v ## major ## _ ## minor ## _ ## patch
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#define NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT(major, minor, patch) \
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NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT_EX(major, minor, patch)
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#if NLOHMANN_JSON_NAMESPACE_NO_VERSION
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#define NLOHMANN_JSON_NAMESPACE_VERSION
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#else
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#define NLOHMANN_JSON_NAMESPACE_VERSION \
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NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT(NLOHMANN_JSON_VERSION_MAJOR, \
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NLOHMANN_JSON_VERSION_MINOR, \
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NLOHMANN_JSON_VERSION_PATCH)
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#endif
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// Combine namespace components
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#define NLOHMANN_JSON_NAMESPACE_CONCAT_EX(a, b) a ## b
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#define NLOHMANN_JSON_NAMESPACE_CONCAT(a, b) \
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NLOHMANN_JSON_NAMESPACE_CONCAT_EX(a, b)
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#ifndef NLOHMANN_JSON_NAMESPACE
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#define NLOHMANN_JSON_NAMESPACE \
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nlohmann::NLOHMANN_JSON_NAMESPACE_CONCAT( \
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NLOHMANN_JSON_ABI_TAGS, \
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NLOHMANN_JSON_NAMESPACE_VERSION)
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#endif
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#ifndef NLOHMANN_JSON_NAMESPACE_BEGIN
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#define NLOHMANN_JSON_NAMESPACE_BEGIN \
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namespace nlohmann \
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{ \
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inline namespace NLOHMANN_JSON_NAMESPACE_CONCAT( \
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NLOHMANN_JSON_ABI_TAGS, \
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NLOHMANN_JSON_NAMESPACE_VERSION) \
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{
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#endif
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#ifndef NLOHMANN_JSON_NAMESPACE_END
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#define NLOHMANN_JSON_NAMESPACE_END \
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} /* namespace (inline namespace) NOLINT(readability/namespace) */ \
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} // namespace nlohmann
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#endif
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