Merge remote-tracking branch 'origin/develop' into claude/fix-issue-3989-db7e45

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

# Conflicts:
#	docs/mkdocs/docs/api/json_sax/parse_error.md
#	docs/mkdocs/docs/features/parsing/index.md
This commit is contained in:
Niels Lohmann
2026-10-02 11:38:09 +02:00
335 changed files with 6103 additions and 1049 deletions
+225 -128
View File
@@ -18,16 +18,6 @@
#ifndef INCLUDE_NLOHMANN_JSON_HPP_
#define INCLUDE_NLOHMANN_JSON_HPP_
// Workaround for GCC template redefinition errors in C++ modules
// When nlohmann/json.hpp is included in a C++20 module preamble after
// other module imports, GCC may report spurious redefinition errors for
// STL templates. These pragmas suppress those false positives.
// See: https://github.com/nlohmann/json/issues/5103
#if defined(__GNUC__) && !defined(__clang__) && __cplusplus >= 202002L
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wignored-attributes"
#endif
#include <algorithm> // all_of, find, for_each, none_of
#include <cmath> // isnan
#include <cstddef> // nullptr_t, ptrdiff_t, size_t
@@ -2617,13 +2607,6 @@ JSON_HEDLEY_DIAGNOSTIC_POP
#define JSON_NO_THREAD_LOCAL 1
#endif
// disable documentation warnings on clang
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdocumentation"
#pragma clang diagnostic ignored "-Wdocumentation-unknown-command"
#endif
// allow disabling exceptions
#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(JSON_NOEXCEPTION)
#define JSON_THROW(exception) throw exception
@@ -2682,7 +2665,7 @@ JSON_HEDLEY_DIAGNOSTIC_POP
{ \
/* NOLINTNEXTLINE(modernize-type-traits) we use C++11 */ \
static_assert(std::is_enum<ENUM_TYPE>::value, #ENUM_TYPE " must be an enum!"); \
/* NOLINTNEXTLINE(modernize-avoid-c-arrays) we don't want to depend on <array> */ \
/* NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) we don't want to depend on <array> */ \
static const std::pair<ENUM_TYPE, BasicJsonType> m[] = __VA_ARGS__; \
auto it = std::find_if(std::begin(m), std::end(m), \
[e](const std::pair<ENUM_TYPE, BasicJsonType>& ej_pair) -> bool \
@@ -2696,7 +2679,7 @@ JSON_HEDLEY_DIAGNOSTIC_POP
{ \
/* NOLINTNEXTLINE(modernize-type-traits) we use C++11 */ \
static_assert(std::is_enum<ENUM_TYPE>::value, #ENUM_TYPE " must be an enum!"); \
/* NOLINTNEXTLINE(modernize-avoid-c-arrays) we don't want to depend on <array> */ \
/* NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) we don't want to depend on <array> */ \
static const std::pair<ENUM_TYPE, BasicJsonType> m[] = __VA_ARGS__; \
auto it = std::find_if(std::begin(m), std::end(m), \
[&j](const std::pair<ENUM_TYPE, BasicJsonType>& ej_pair) -> bool \
@@ -2727,7 +2710,7 @@ void templated_json_throw(ExceptionType exception)
@brief macro to briefly define a mapping between an enum and JSON with exception
on invalid input
@def NLOHMANN_JSON_SERIALIZE_ENUM_STRICT
@since version 3.12.0
@since version 3.13.0
*/
#define NLOHMANN_JSON_SERIALIZE_ENUM_STRICT(ENUM_TYPE, ...) \
template<typename BasicJsonType> \
@@ -2735,7 +2718,7 @@ void templated_json_throw(ExceptionType exception)
{ \
/* NOLINTNEXTLINE(modernize-type-traits) we use C++11 */ \
static_assert(std::is_enum<ENUM_TYPE>::value, #ENUM_TYPE " must be an enum!"); \
/* NOLINTNEXTLINE(modernize-avoid-c-arrays) we don't want to depend on <array> */ \
/* NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) we don't want to depend on <array> */ \
static const std::pair<ENUM_TYPE, BasicJsonType> m[] = __VA_ARGS__; \
auto it = std::find_if(std::begin(m), std::end(m), \
[e](const std::pair<ENUM_TYPE, BasicJsonType>& ej_pair) -> bool \
@@ -2750,7 +2733,7 @@ void templated_json_throw(ExceptionType exception)
{ \
/* NOLINTNEXTLINE(modernize-type-traits) we use C++11 */ \
static_assert(std::is_enum<ENUM_TYPE>::value, #ENUM_TYPE " must be an enum!"); \
/* NOLINTNEXTLINE(modernize-avoid-c-arrays) we don't want to depend on <array> */ \
/* NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) we don't want to depend on <array> */ \
static const std::pair<ENUM_TYPE, BasicJsonType> m[] = __VA_ARGS__; \
auto it = std::find_if(std::begin(m), std::end(m), \
[&j](const std::pair<ENUM_TYPE, BasicJsonType>& ej_pair) -> bool \
@@ -3578,8 +3561,7 @@ inline StringType escape(const StringType& s)
/*!
* @brief string unescaping as described in RFC 6901 (Sect. 4)
* @param[in] s string to unescape
* @return unescaped string
* @param[in,out] s string to unescape in place
*
* Note the order of escaping "~1" to "/" and "~0" to "~" is important.
*
@@ -5871,22 +5853,22 @@ void())
}
template < typename BasicJsonType, typename T, std::size_t... Idx >
std::array<T, sizeof...(Idx)> from_json_inplace_array_impl(BasicJsonType&& j,
std::array<T, sizeof...(Idx)> from_json_inplace_array_impl(const BasicJsonType& j,
identity_tag<std::array<T, sizeof...(Idx)>> /*unused*/, index_sequence<Idx...> /*unused*/)
{
return { { std::forward<BasicJsonType>(j).at(Idx).template get<T>()... } };
return { { j.at(Idx).template get<T>()... } };
}
template < typename BasicJsonType, typename T, std::size_t N >
auto from_json(BasicJsonType&& j, identity_tag<std::array<T, N>> tag)
-> decltype(from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {}))
auto from_json(const BasicJsonType& j, identity_tag<std::array<T, N>> tag)
-> decltype(from_json_inplace_array_impl(j, tag, make_index_sequence<N> {}))
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
}
return from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {});
return from_json_inplace_array_impl(j, tag, make_index_sequence<N> {});
}
template<typename BasicJsonType>
@@ -6021,54 +6003,54 @@ template<std::size_t PTagValue, typename BasicJsonType, typename... Types>
using tuple_type = std::tuple < decltype(from_json_tuple_get_impl(std::declval<BasicJsonType>(), detail::identity_tag<Types> {}, detail::priority_tag<PTagValue> {}))... >;
template<std::size_t PTagValue, typename... Args, typename BasicJsonType, std::size_t... Idx>
tuple_type<PTagValue, BasicJsonType, Args...> from_json_tuple_impl_base(BasicJsonType&& j, index_sequence<Idx...> /*unused*/)
tuple_type<PTagValue, const BasicJsonType&, Args...> from_json_tuple_impl_base(const BasicJsonType& j, index_sequence<Idx...> /*unused*/)
{
return tuple_type<PTagValue, BasicJsonType, Args...>(from_json_tuple_get_impl(std::forward<BasicJsonType>(j).at(Idx), detail::identity_tag<Args> {}, detail::priority_tag<PTagValue> {})...);
return tuple_type<PTagValue, const BasicJsonType&, Args...>(from_json_tuple_get_impl(j.at(Idx), detail::identity_tag<Args> {}, detail::priority_tag<PTagValue> {})...);
}
template<std::size_t PTagValue, typename BasicJsonType>
std::tuple<> from_json_tuple_impl_base(BasicJsonType& /*unused*/, index_sequence<> /*unused*/)
std::tuple<> from_json_tuple_impl_base(const BasicJsonType& /*unused*/, index_sequence<> /*unused*/)
{
return {};
}
template < typename BasicJsonType, class A1, class A2 >
std::pair<A1, A2> from_json_tuple_impl(BasicJsonType&& j, identity_tag<std::pair<A1, A2>> /*unused*/, priority_tag<0> /*unused*/)
std::pair<A1, A2> from_json_tuple_impl(const BasicJsonType& j, identity_tag<std::pair<A1, A2>> /*unused*/, priority_tag<0> /*unused*/)
{
return {std::forward<BasicJsonType>(j).at(0).template get<A1>(),
std::forward<BasicJsonType>(j).at(1).template get<A2>()};
return {j.at(0).template get<A1>(),
j.at(1).template get<A2>()};
}
template<typename BasicJsonType, typename A1, typename A2>
inline void from_json_tuple_impl(BasicJsonType&& j, std::pair<A1, A2>& p, priority_tag<1> /*unused*/)
inline void from_json_tuple_impl(const BasicJsonType& j, std::pair<A1, A2>& p, priority_tag<1> /*unused*/)
{
p = from_json_tuple_impl(std::forward<BasicJsonType>(j), identity_tag<std::pair<A1, A2>> {}, priority_tag<0> {});
p = from_json_tuple_impl(j, identity_tag<std::pair<A1, A2>> {}, priority_tag<0> {});
}
template<typename BasicJsonType, typename... Args>
std::tuple<Args...> from_json_tuple_impl(BasicJsonType&& j, identity_tag<std::tuple<Args...>> /*unused*/, priority_tag<2> /*unused*/)
std::tuple<Args...> from_json_tuple_impl(const BasicJsonType& j, identity_tag<std::tuple<Args...>> /*unused*/, priority_tag<2> /*unused*/)
{
static_assert(cxpr_and<cxpr_or<cxpr_not<std::is_reference<Args>>, is_compatible_reference_type<BasicJsonType, Args>>...>::value,
static_assert(cxpr_and<cxpr_or<cxpr_not<std::is_reference<Args>>, is_compatible_reference_type<const BasicJsonType&, Args>>...>::value,
"Can not return a tuple containing references to types not contained in a Json, try Json::get_to()");
return from_json_tuple_impl_base<1, Args...>(std::forward<BasicJsonType>(j), index_sequence_for<Args...> {});
return from_json_tuple_impl_base<1, Args...>(j, index_sequence_for<Args...> {});
}
template<typename BasicJsonType, typename... Args>
inline void from_json_tuple_impl(BasicJsonType&& j, std::tuple<Args...>& t, priority_tag<3> /*unused*/)
inline void from_json_tuple_impl(const BasicJsonType& j, std::tuple<Args...>& t, priority_tag<3> /*unused*/)
{
t = from_json_tuple_impl_base<2, Args...>(std::forward<BasicJsonType>(j), index_sequence_for<Args...> {});
t = from_json_tuple_impl_base<2, Args...>(j, index_sequence_for<Args...> {});
}
template<typename BasicJsonType, typename TupleRelated>
auto from_json(BasicJsonType&& j, TupleRelated&& t)
-> decltype(from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), priority_tag<3> {}))
auto from_json(const BasicJsonType& j, TupleRelated&& t)
-> decltype(from_json_tuple_impl(j, std::forward<TupleRelated>(t), priority_tag<3> {}))
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
}
return from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), priority_tag<3> {});
return from_json_tuple_impl(j, std::forward<TupleRelated>(t), priority_tag<3> {});
}
template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator,
@@ -6153,7 +6135,7 @@ struct from_json_fn
/// namespace to hold default `from_json` function
/// to see why this is required:
/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html
namespace // NOLINT(cert-dcl59-cpp,fuchsia-header-anon-namespaces,google-build-namespaces)
namespace // NOLINT(cert-dcl59-cpp,fuchsia-header-anon-namespaces,google-build-namespaces,misc-anonymous-namespace-in-header)
{
#endif
JSON_INLINE_VARIABLE constexpr const auto& from_json = // NOLINT(misc-definitions-in-headers)
@@ -6280,7 +6262,7 @@ inline std::string hex_byte(const std::uint8_t byte)
Used to turn a decoded code point back into bytes: by the wide-string input
adapters in input_adapters.hpp (one code point per UTF-32 unit, per UTF-16
unit outside the surrogate range, and per valid UTF-16 surrogate pair), and
by the lexer's `\uXXXX`/`\uXXXX\uYYYY` handling in lexer.hpp. Passing a
by the lexer's handling of u-escapes and surrogate pairs in lexer.hpp. Passing a
code point above U+10FFFF, or one in the surrogate range U+D800..U+DFFF, is
undefined behavior; callers are expected to have rejected those already
(the wide-string adapters pass malformed units through unencoded instead of
@@ -6293,7 +6275,7 @@ reaching it).
@param[in] out called once for each byte of the UTF-8 encoding of @a cp
*/
template<typename Out>
void encode_utf8(std::uint32_t cp, Out&& out)
void encode_utf8(std::uint32_t cp, const Out& out)
{
JSON_ASSERT(cp <= 0x10FFFF);
@@ -6703,11 +6685,11 @@ namespace std
JSON_HEDLEY_PRAGMA(clang diagnostic ignored "-Wmismatched-tags")
#endif
template<typename IteratorType>
class tuple_size<::nlohmann::detail::iteration_proxy_value<IteratorType>> // NOLINT(cert-dcl58-cpp)
class tuple_size<::nlohmann::detail::iteration_proxy_value<IteratorType>> // NOLINT(cert-dcl58-cpp,bugprone-std-namespace-modification)
: public std::integral_constant<std::size_t, 2> {};
template<std::size_t N, typename IteratorType>
class tuple_element<N, ::nlohmann::detail::iteration_proxy_value<IteratorType >> // NOLINT(cert-dcl58-cpp)
class tuple_element<N, ::nlohmann::detail::iteration_proxy_value<IteratorType >> // NOLINT(cert-dcl58-cpp,bugprone-std-namespace-modification)
{
public:
using type = decltype(
@@ -6940,8 +6922,11 @@ struct external_constructor<value_t::array>
for (auto&& x : std::forward<CompatibleArrayType>(arr))
{
j.m_data.m_value.array->push_back(x);
j.set_parent(j.m_data.m_value.array->back());
}
// set the parents only once all elements are in place: a push_back
// that reallocates moves the earlier elements, which does not keep
// their parent pointers
j.set_parents();
j.assert_invariant();
}
#endif
@@ -7252,7 +7237,7 @@ struct to_json_fn
/// namespace to hold default `to_json` function
/// to see why this is required:
/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html
namespace // NOLINT(cert-dcl59-cpp,fuchsia-header-anon-namespaces,google-build-namespaces)
namespace // NOLINT(cert-dcl59-cpp,fuchsia-header-anon-namespaces,google-build-namespaces,misc-anonymous-namespace-in-header)
{
#endif
JSON_INLINE_VARIABLE constexpr const auto& to_json = // NOLINT(misc-definitions-in-headers)
@@ -8473,6 +8458,9 @@ struct container_input_adapter_factory< ContainerType,
static adapter_type create(ContainerType&& container)
{
// container is forwarded twice on purpose: the resulting begin/end
// iterator types must match adapter_type, computed the same way
// NOLINTNEXTLINE(bugprone-use-after-move)
return input_adapter(begin(std::forward<ContainerType>(container)), end(std::forward<ContainerType>(container)));
}
};
@@ -9553,14 +9541,14 @@ inline bool parse_float_eisel_lemire(const char* first, const char* last, double
}
std::uint64_t w = 0;
int digits = 0; // significant digits in w
unsigned int digits = 0; // significant digits in w
std::int64_t exponent = 0;
bool truncated = false;
bool in_fraction = false;
for (;;)
{
// eight digits at a time, as long as they fit into w
while (w != 0 && digits <= 19 - 8 && last - p >= 8)
while (w != 0 && digits <= 19u - 8u && last - p >= 8)
{
const std::uint64_t v = read_eight_bytes(p);
if (!is_eight_digits(v))
@@ -9568,7 +9556,7 @@ inline bool parse_float_eisel_lemire(const char* first, const char* last, double
break;
}
w = (w * 100000000u) + parse_eight_digits(v);
digits += 8;
digits += 8u;
exponent -= in_fraction ? 8 : 0;
p += 8;
}
@@ -9584,7 +9572,7 @@ inline bool parse_float_eisel_lemire(const char* first, const char* last, double
// leading zeros are not significant, but scale a fraction
exponent -= in_fraction ? 1 : 0;
}
else if (digits < 19)
else if (digits < 19u)
{
w = (w * 10u) + static_cast<std::uint64_t>(c - '0');
++digits;
@@ -10372,9 +10360,9 @@ class lexer : public lexer_base<BasicJsonType>
/////////////////////
/*!
@brief get codepoint from 4 hex characters following `\u`
@brief get codepoint from 4 hex characters following `\\u`
For input "\u c1 c2 c3 c4" the codepoint is:
For input "\\u c1 c2 c3 c4" the codepoint is:
(c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4
= (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0)
@@ -14812,7 +14800,7 @@ class binary_reader
@brief Parses a C-style string from the BSON input.
@param[in,out] result A reference to the string variable where the read
string is to be stored.
@return `true` if the \x00-byte indicating the end of the string was
@return `true` if the \\x00-byte indicating the end of the string was
encountered before the EOF; false` indicates an unexpected EOF.
*/
bool get_bson_cstr(string_t& result)
@@ -14842,7 +14830,7 @@ class binary_reader
@brief read a C-style string from contiguous input in one step
@param[in,out] result the string to append to
@return whether the string was read; if the input has no \x00-byte, nothing
@return whether the string was read; if the input has no \\x00-byte, nothing
is read, and @ref get_bson_cstr reports the end of the input
*/
bool get_bson_cstr_bulk(string_t& result, std::true_type /*bulk*/)
@@ -15007,13 +14995,13 @@ class binary_reader
case 0x10: // int32
{
std::int32_t value{};
return get_number<std::int32_t, true>(input_format_t::bson, value) && sax->number_integer(value);
return get_number<std::int32_t, true>(input_format_t::bson, value) && sax->number_integer(conditional_static_cast<number_integer_t>(value));
}
case 0x12: // int64
{
std::int64_t value{};
return get_number<std::int64_t, true>(input_format_t::bson, value) && sax->number_integer(value);
return get_number<std::int64_t, true>(input_format_t::bson, value) && sax->number_integer(conditional_static_cast<number_integer_t>(value));
}
case 0x11: // uint64
@@ -15051,7 +15039,7 @@ class binary_reader
// too small for number_integer_t: pass the nearest floating-point number
return sax->number_float(static_cast<number_float_t>(-1) - static_cast<number_float_t>(number), "");
}
return sax->number_integer(static_cast<number_integer_t>(-1) - static_cast<number_integer_t>(number));
return sax->number_integer(conditional_static_cast<number_integer_t>(static_cast<number_integer_t>(-1) - static_cast<number_integer_t>(number)));
}
/*!
@@ -16464,25 +16452,25 @@ class binary_reader
case 0xD0: // int 8
{
std::int8_t number{};
return get_number(input_format_t::msgpack, number) && sax->number_integer(number);
return get_number(input_format_t::msgpack, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 0xD1: // int 16
{
std::int16_t number{};
return get_number(input_format_t::msgpack, number) && sax->number_integer(number);
return get_number(input_format_t::msgpack, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 0xD2: // int 32
{
std::int32_t number{};
return get_number(input_format_t::msgpack, number) && sax->number_integer(number);
return get_number(input_format_t::msgpack, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 0xD3: // int 64
{
std::int64_t number{};
return get_number(input_format_t::msgpack, number) && sax->number_integer(number);
return get_number(input_format_t::msgpack, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 0xDC: // array 16
@@ -17695,25 +17683,25 @@ class binary_reader
case 'i':
{
std::int8_t number{};
return get_number(input_format, number) && sax->number_integer(number);
return get_number(input_format, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 'I':
{
std::int16_t number{};
return get_number(input_format, number) && sax->number_integer(number);
return get_number(input_format, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 'l':
{
std::int32_t number{};
return get_number(input_format, number) && sax->number_integer(number);
return get_number(input_format, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 'L':
{
std::int64_t number{};
return get_number(input_format, number) && sax->number_integer(number);
return get_number(input_format, number) && sax->number_integer(conditional_static_cast<number_integer_t>(number));
}
case 'u':
@@ -18366,7 +18354,7 @@ class binary_reader
// integer -1..-10
if (byte <= 0xC1)
{
return sax->number_integer(-1 - static_cast<number_integer_t>(byte - 0xB8));
return sax->number_integer(conditional_static_cast<number_integer_t>(-1 - static_cast<number_integer_t>(byte - 0xB8)));
}
// 0xC2..0xF7: a UTF-8 lead byte begins a string if a continuation
@@ -18496,6 +18484,11 @@ class binary_reader
if (0xC2 <= byte && byte <= 0xF7)
{
const auto second = get_bon8();
if (second == char_traits<char_type>::eof())
{
// the input ends inside a character or an integer
return unexpect_eof(input_format_t::bon8, "key");
}
unget_bon8(second);
if (is_bon8_continuation(second))
{
@@ -18712,6 +18705,12 @@ class binary_reader
// a lead byte ends the string if no continuation byte follows: it
// is then the first byte of an integer
const auto second = get_bon8();
if (second == char_traits<char_type>::eof())
{
// the input ends inside a character or an integer: either
// way, the message is incomplete
return unexpect_eof(input_format_t::bon8, "string");
}
if (!is_bon8_continuation(second))
{
unget_bon8(second);
@@ -18792,6 +18791,8 @@ class binary_reader
template<class T>
bool get_to(T& dest, const input_format_t format, const char* context)
{
// false positive: new_chars_read is read on the next lines
// @infer-ignore DEAD_STORE
auto new_chars_read = ia.get_elements(&dest);
chars_read += new_chars_read;
if (JSON_HEDLEY_UNLIKELY(new_chars_read < sizeof(T)))
@@ -19048,6 +19049,8 @@ class binary_reader
// resize() is required to make size() exactly old_size + wanted;
// that is the room get_elements() is allowed to write into
JSON_ASSERT(result.size() == old_size + wanted);
// false positive: bytes_read is read on the next lines
// @infer-ignore DEAD_STORE
const std::size_t bytes_read = ia.get_elements(&result[old_size], wanted);
chars_read += bytes_read;
if (JSON_HEDLEY_UNLIKELY(bytes_read < wanted))
@@ -19618,8 +19621,9 @@ using parser_callback_t =
/*!
@brief syntax analysis
This class implements an iterative parser that keeps the open containers on
an explicit stack and reports what it reads as SAX events.
This class implements a parser for JSON text. Nested arrays and objects are tracked with an explicit
stack instead of recursion, so deeply nested input does not exhaust the call stack, and what is read
is reported as SAX events.
*/
template<typename BasicJsonType, typename InputAdapterType>
class parser
@@ -20965,7 +20969,7 @@ This class implements a both iterators (iterator and const_iterator) for the
been set (e.g., by a constructor or a copy assignment). If the iterator is
default-constructed, it is *uninitialized* and most methods are undefined.
**The library uses assertions to detect calls on uninitialized iterators.**
@requirement REQ-JSON-01 The class satisfies the following concept requirements:
This class satisfies the following concept requirements (REQ-JSON-01):
-
[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator):
The iterator that can be moved can be moved in both directions (i.e.
@@ -21729,7 +21733,7 @@ namespace detail
iterator (to create @ref reverse_iterator) and @ref const_iterator (to
create @ref const_reverse_iterator).
@requirement REQ-JSON-02 The class satisfies the following concept requirements:
This class satisfies the following concept requirements (REQ-JSON-02):
-
[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator):
The iterator that can be moved can be moved in both directions (i.e.
@@ -21972,7 +21976,7 @@ class json_pointer
}
/// @brief return a string representation of the JSON pointer
/// @sa https://json.nlohmann.me/api/json_pointer/operator_string/
/// @sa https://json.nlohmann.me/api/json_pointer/operator_string_t/
JSON_HEDLEY_DEPRECATED_FOR(3.11.0, to_string())
operator string_t() const
{
@@ -21981,7 +21985,7 @@ class json_pointer
#ifndef JSON_NO_IO
/// @brief write string representation of the JSON pointer to stream
/// @sa https://json.nlohmann.me/api/basic_json/operator_ltlt/
/// @sa https://json.nlohmann.me/api/operator_ltlt/
friend std::ostream& operator<<(std::ostream& o, const json_pointer& ptr)
{
o << ptr.to_string();
@@ -22172,11 +22176,11 @@ class json_pointer
JSON_THROW(detail::out_of_range::create(404, detail::concat("unresolved reference token '", s, "'"), nullptr));
}
// only triggered on special platforms (like 32bit), see also
// https://github.com/nlohmann/json/pull/2203
// the index does not fit into size_type; on 64-bit platforms this is
// only SIZE_MAX itself (see #2203 and #5395)
if (res >= static_cast<unsigned long long>((std::numeric_limits<size_type>::max)())) // NOLINT(runtime/int)
{
JSON_THROW(detail::out_of_range::create(410, detail::concat("array index ", s, " exceeds size_type"), nullptr)); // LCOV_EXCL_LINE
JSON_THROW(detail::out_of_range::create(410, detail::concat("array index ", s, " exceeds size_type"), nullptr));
}
return static_cast<size_type>(res);
@@ -22210,7 +22214,7 @@ class json_pointer
/*!
@brief create and return a reference to the pointed to value
@complexity Linear in the number of reference tokens.
Complexity: Linear in the number of reference tokens.
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if array index is not a number
@@ -22297,7 +22301,7 @@ class json_pointer
@return reference to the JSON value pointed to by the JSON pointer
@complexity Linear in the length of the JSON pointer.
Complexity: Linear in the length of the JSON pointer.
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@@ -22993,7 +22997,8 @@ class json_pointer
friend bool operator!=(const StringType& lhs,
const json_pointer<RefStringTypeRhs>& rhs);
/// @brief compares two JSON pointer for less-than
/// @brief compares two JSON pointers for less-than
/// @sa https://json.nlohmann.me/api/json_pointer/operator_spaceship/
template<typename RefStringTypeLhs, typename RefStringTypeRhs>
// NOLINTNEXTLINE(readability-redundant-declaration)
friend bool operator<(const json_pointer<RefStringTypeLhs>& lhs,
@@ -23209,6 +23214,7 @@ NLOHMANN_JSON_NAMESPACE_END
#include <cstddef> // size_t
#include <memory> // shared_ptr, make_shared
#include <string> // basic_string
#include <type_traits> // conditional, integral_constant, is_same
#include <utility> // move
#include <vector> // vector
@@ -23317,11 +23323,13 @@ class output_stream_adapter : public output_adapter_protocol<CharType>
: stream(s)
{}
// NOLINTNEXTLINE(portability-template-virtual-member-function)
void write_character(CharType c) override
{
stream.put(c);
}
// NOLINTNEXTLINE(portability-template-virtual-member-function)
void write_characters(const CharType* s, std::size_t length) override
{
stream.write(s, static_cast<std::streamsize>(length));
@@ -23388,7 +23396,82 @@ class output_adapter_sink
output_adapter_t<CharType> oa;
};
template<typename CharType, typename StringType = std::basic_string<CharType>>
/// @brief whether std::basic_string<CharType> has a non-deprecated std::char_traits
/// specialization, and is therefore usable as output_adapter's default StringType
///
/// std::char_traits is only guaranteed (and, on some standard libraries, only
/// implemented without a deprecation warning) for the character types listed
/// below; std::char_traits<T> for any other T (e.g. std::uint8_t, as used by the
/// binary writers) is a non-standard extension some standard libraries deprecate.
/// See https://github.com/nlohmann/json/issues/5725 item 2.
template<typename CharType>
struct is_output_adapter_string_char_type : std::integral_constant < bool,
std::is_same<CharType, char>::value ||
std::is_same<CharType, wchar_t>::value ||
std::is_same<CharType, char16_t>::value ||
std::is_same<CharType, char32_t>::value
#if defined(__cpp_lib_char8_t) && (__cpp_lib_char8_t >= 201907L)
|| std::is_same<CharType, char8_t>::value
#endif
> {};
/// @brief placeholder type for output_adapter's StringType and (with JSON_NO_IO
/// undefined) its std::basic_ostream constructor parameter, for CharType
/// with no non-deprecated std::char_traits specialization
///
/// Never actually used: the StringType- and std::basic_ostream-based
/// output_adapter constructors are neither documented nor tested for such
/// CharType (only the std::vector-based constructor is used for them, by the
/// binary writers). Naming std::basic_string<CharType> or
/// std::basic_ostream<CharType> anywhere such a constructor would otherwise be
/// declared - even as an unused default template argument or an unused,
/// never-called overload - instantiates std::char_traits<CharType> merely to
/// name the type, which is exactly what triggers the deprecation warning this
/// placeholder avoids.
template<typename CharType>
struct output_adapter_no_string_type {};
// Select output_adapter's default StringType (and, below, its ostream
// constructor's parameter type) via partial specialization, not
// std::conditional: std::conditional<B, T, F> requires both T and F to be named
// as template arguments up front, which would still instantiate (and thus name)
// std::basic_string<CharType> / std::basic_ostream<CharType> for every CharType,
// defeating the point. A bool non-type parameter with two specializations only
// ever names the type that is actually selected.
template<typename CharType, bool = is_output_adapter_string_char_type<CharType>::value>
struct output_adapter_default_string_type
{
using type = output_adapter_no_string_type<CharType>;
};
template<typename CharType>
struct output_adapter_default_string_type<CharType, true>
{
using type = std::basic_string<CharType>;
};
#ifndef JSON_NO_IO
/// distinct from output_adapter_no_string_type, so the placeholder overloads of
/// output_adapter's constructor (used when CharType is not a character type)
/// stay distinct overloads instead of colliding into a single redeclaration
template<typename CharType>
struct output_adapter_no_ostream_type {};
template<typename CharType, bool = is_output_adapter_string_char_type<CharType>::value>
struct output_adapter_ostream_type
{
using type = output_adapter_no_ostream_type<CharType>;
};
template<typename CharType>
struct output_adapter_ostream_type<CharType, true>
{
using type = std::basic_ostream<CharType>;
};
#endif // JSON_NO_IO
template < typename CharType, typename StringType =
typename output_adapter_default_string_type<CharType>::type >
class output_adapter
{
public:
@@ -23397,7 +23480,7 @@ class output_adapter
: oa(std::make_shared<output_vector_adapter<CharType, AllocatorType>>(vec)) {}
#ifndef JSON_NO_IO
output_adapter(std::basic_ostream<CharType>& s)
output_adapter(typename output_adapter_ostream_type<CharType>::type& s)
: oa(std::make_shared<output_stream_adapter<CharType>>(s)) {}
#endif // JSON_NO_IO
@@ -27056,7 +27139,7 @@ class serializer
@param[in] ichar indentation character to use
@param[in] pretty_print_ whether the output shall be pretty-printed
@param[in] ensure_ascii_ If @a ensure_ascii_ is true, all non-ASCII
characters in the output are escaped with `\uXXXX` sequences, and the
characters in the output are escaped with `\\uXXXX` sequences, and the
result consists of ASCII characters only.
@param[in] indent_step_ the indent level
@param[in] error_handler_ how to react on decoding errors
@@ -27681,7 +27764,7 @@ class serializer
@param[in] s the string to escape
@complexity Linear in the length of string @a s.
Complexity: Linear in the length of string @a s.
*/
void dump_escaped(const string_t& s)
{
@@ -28185,7 +28268,7 @@ class serializer
}
/*!
* @brief write a lowercase "\uXXXX" escape sequence into @a string_buffer
* @brief write a lowercase "\\uXXXX" escape sequence into @a string_buffer
*
* Branch-free replacement for `snprintf(buf, 7, "\\u%04x", codeunit)` in the
* string escaping hot path. It writes exactly six characters ('\\', 'u' and
@@ -28535,7 +28618,7 @@ class serializer
/// whether to pretty-print the output
const bool pretty_print;
/// whether to escape non-ASCII characters with \uXXXX sequences
/// whether to escape non-ASCII characters with \\uXXXX sequences
const bool ensure_ascii;
/// the indent level
@@ -28576,12 +28659,13 @@ NLOHMANN_JSON_NAMESPACE_END
#include <functional> // equal_to, less
#include <initializer_list> // initializer_list
#include <iterator> // input_iterator_tag, iterator_traits
#include <memory> // allocator
#include <new> // for operator new (placement new)
#include <stdexcept> // for out_of_range
#include <tuple> // forward_as_tuple
#include <type_traits> // enable_if, integral_constant, is_convertible, is_nothrow_move_constructible
#include <utility> // forward, move, pair, piecewise_construct
#include <vector> // vector, allocator
#include <vector> // vector
// #include <nlohmann/detail/abi_macros.hpp>
@@ -31485,12 +31569,12 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
@throw what @ref json_serializer<ValueType> `from_json()` method throws
@liveexample{The example below shows several conversions from JSON values
The example below shows several conversions from JSON values
to other types. There a few things to note: (1) Floating-point numbers can
be converted to integers\, (2) A JSON array can be converted to a standard
`std::vector<short>`\, (3) A JSON object can be converted to C++
associative containers such as `std::unordered_map<std::string\,
json>`.,get__ValueType_const}
be converted to integers, (2) A JSON array can be converted to a standard
`std::vector<short>`, (3) A JSON object can be converted to C++
associative containers such as `std::unordered_map<std::string,
json>`.
@since version 2.1.0
*/
@@ -31557,7 +31641,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
@return a copy of *this, converted into @a BasicJsonType
@complexity Depending on the implementation of the called `from_json()`
Complexity: Depending on the implementation of the called `from_json()`
method.
@since version 3.2.0
@@ -31581,7 +31665,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
@return a copy of *this
@complexity Constant.
Complexity: Constant.
@since version 2.1.0
*/
@@ -31627,7 +31711,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
@tparam ValueTypeCV the provided value type
@tparam ValueType the returned value type
@return copy of the JSON value, converted to @tparam ValueType if necessary
@return copy of the JSON value, converted to @a ValueType if necessary
@throw what @ref json_serializer<ValueType> `from_json()` method throws if conversion is required
@@ -31665,12 +31749,12 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
@return pointer to the internally stored JSON value if the requested
pointer type @a PointerType fits to the JSON value; `nullptr` otherwise
@complexity Constant.
Complexity: Constant.
@liveexample{The example below shows how pointers to internal values of a
The example below shows how pointers to internal values of a
JSON value can be requested. Note that no type conversions are made and a
`nullptr` is returned if the value and the requested pointer type does not
match.,get__PointerType}
match.
@sa see @ref get_ptr() for explicit pointer-member access
@@ -31764,14 +31848,14 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
to the JSON value type (e.g., the JSON value is of type boolean, but a
string is requested); see example below
@complexity Linear in the size of the JSON value.
Complexity: Linear in the size of the JSON value.
@liveexample{The example below shows several conversions from JSON values
The example below shows several conversions from JSON values
to other types. There a few things to note: (1) Floating-point numbers can
be converted to integers\, (2) A JSON array can be converted to a standard
`std::vector<short>`\, (3) A JSON object can be converted to C++
associative containers such as `std::unordered_map<std::string\,
json>`.,operator__ValueType}
be converted to integers, (2) A JSON array can be converted to a standard
`std::vector<short>`, (3) A JSON object can be converted to C++
associative containers such as `std::unordered_map<std::string,
json>`.
@since version 1.0.0
*/
@@ -34072,7 +34156,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
/// @{
#ifndef JSON_NO_IO
/// @brief serialize to stream
/// @sa https://json.nlohmann.me/api/basic_json/operator_ltlt/
/// @sa https://json.nlohmann.me/api/operator_ltlt/
friend std::ostream& operator<<(std::ostream& o, const basic_json& j)
{
// read width member and use it as the indentation parameter if nonzero
@@ -34091,7 +34175,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
}
/// @brief serialize to stream
/// @sa https://json.nlohmann.me/api/basic_json/operator_ltlt/
/// @sa https://json.nlohmann.me/api/operator_ltlt/
/// @deprecated This function is deprecated since 3.0.0 and will be removed in
/// version 4.0.0 of the library. Please use
/// operator<<(std::ostream&, const basic_json&) instead; that is,
@@ -34226,6 +34310,19 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
/// @deprecated This function is deprecated since 3.8.0 and will be removed in
/// version 4.0.0 of the library. Please use
/// sax_parse(ptr, ptr + len) instead.
//
// Clang reports "declaration is marked with '@deprecated' command but does
// not have a deprecation attribute" for this overload even though
// JSON_HEDLEY_DEPRECATED_FOR below does expand to __attribute__((deprecated));
// isolated reproductions of this exact declaration shape (doc comment,
// template<>, two stacked __attribute__ lines, an overload set of the same
// name) do not reproduce it, so this looks like a Clang comment/declaration
// association quirk specific to this overload within basic_json, not a
// genuine documentation bug. See #5725 item 2.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdocumentation-deprecated-sync"
#endif
template <typename SAX>
JSON_HEDLEY_DEPRECATED_FOR(3.8.0, sax_parse(ptr, ptr + len, ...))
JSON_HEDLEY_NON_NULL(2)
@@ -34242,9 +34339,12 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
// NOLINTNEXTLINE(hicpp-move-const-arg,performance-move-const-arg)
: detail::binary_reader<basic_json, decltype(ia), SAX, true>(std::move(ia), format).sax_parse(sax, strict);
}
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
#ifndef JSON_NO_IO
/// @brief deserialize from stream
/// @sa https://json.nlohmann.me/api/basic_json/operator_gtgt/
/// @sa https://json.nlohmann.me/api/operator_gtgt/
/// @deprecated This stream operator is deprecated since 3.0.0 and will be removed in
/// version 4.0.0 of the library. Please use
/// operator>>(std::istream&, basic_json&) instead; that is,
@@ -34256,7 +34356,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
}
/// @brief deserialize from stream
/// @sa https://json.nlohmann.me/api/basic_json/operator_gtgt/
/// @sa https://json.nlohmann.me/api/operator_gtgt/
friend std::istream& operator>>(std::istream& i, basic_json& j)
{
// parse into a temporary so that j is left unchanged if parsing fails
@@ -35452,6 +35552,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
// Any other object type places its members itself - std::map
// in key order, a hash map in an order its operator== ignores -
// so a member-by-member diff always reproduces target there.
#ifdef JSON_HEDLEY_MSVC_VERSION
#pragma warning(push )
#pragma warning(disable : 4127) // ignore warning to replace if with if constexpr
#endif
if (!detail::is_ordered_map<object_t>::value
|| (common_keys_source_order == common_keys_target_order && new_keys_form_suffix))
{
@@ -35462,6 +35566,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
common_keys = std::move(common_keys_source_order);
return true;
}
#ifdef JSON_HEDLEY_MSVC_VERSION
#pragma warning( pop )
#endif
// slow path: the common keys are in a different relative
// order in source and target (only possible for a
@@ -35904,7 +36011,7 @@ namespace std // NOLINT(cert-dcl58-cpp)
/// @brief hash value for JSON objects
/// @sa https://json.nlohmann.me/api/basic_json/std_hash/
NLOHMANN_BASIC_JSON_TPL_DECLARATION
struct hash<nlohmann::NLOHMANN_BASIC_JSON_TPL> // NOLINT(cert-dcl58-cpp)
struct hash<nlohmann::NLOHMANN_BASIC_JSON_TPL> // NOLINT(cert-dcl58-cpp,bugprone-std-namespace-modification)
{
std::size_t operator()(const nlohmann::NLOHMANN_BASIC_JSON_TPL& j) const
{
@@ -35937,7 +36044,7 @@ struct less< ::nlohmann::detail::value_t> // do not remove the space after '<',
/// @brief exchanges the values of two JSON objects
/// @sa https://json.nlohmann.me/api/basic_json/std_swap/
NLOHMANN_BASIC_JSON_TPL_DECLARATION
inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC_JSON_TPL& j2) noexcept( // NOLINT(readability-inconsistent-declaration-parameter-name, cert-dcl58-cpp)
inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC_JSON_TPL& j2) noexcept( // NOLINT(readability-inconsistent-declaration-parameter-name, cert-dcl58-cpp,bugprone-std-namespace-modification)
is_nothrow_move_constructible<nlohmann::NLOHMANN_BASIC_JSON_TPL>::value&& // NOLINT(misc-redundant-expression,cppcoreguidelines-noexcept-swap,performance-noexcept-swap)
is_nothrow_move_assignable<nlohmann::NLOHMANN_BASIC_JSON_TPL>::value)
{
@@ -35951,17 +36058,17 @@ inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC
/// @brief std::formatter specialization for JSON values
/// @sa https://json.nlohmann.me/api/basic_json/std_formatter/
NLOHMANN_BASIC_JSON_TPL_DECLARATION
struct formatter<nlohmann::NLOHMANN_BASIC_JSON_TPL, char> // NOLINT(cert-dcl58-cpp)
struct formatter<nlohmann::NLOHMANN_BASIC_JSON_TPL, char> // NOLINT(cert-dcl58-cpp,bugprone-std-namespace-modification)
{
// -1 means compact output (dump()); any value >= 0 means pretty-printed
// output with that many spaces (or indent_char) per level (dump(indent, indent_char)).
int indent = -1;
char indent_char = ' ';
constexpr auto parse(format_parse_context& ctx) -> format_parse_context::iterator
constexpr format_parse_context::iterator parse(format_parse_context& ctx)
{
auto it = ctx.begin();
const auto end = ctx.end();
format_parse_context::iterator it = ctx.begin();
const format_parse_context::iterator end = ctx.end();
constexpr auto is_align = [](char c)
{
return c == '<' || c == '>' || c == '^';
@@ -36040,11 +36147,6 @@ struct formatter<nlohmann::NLOHMANN_BASIC_JSON_TPL, char> // NOLINT(cert-dcl58-c
// restore clang diagnostic settings
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
// clean up
#undef JSON_ASSERT
#undef JSON_INTERNAL_CATCH
@@ -36245,11 +36347,6 @@ struct formatter<nlohmann::NLOHMANN_BASIC_JSON_TPL, char> // NOLINT(cert-dcl58-c
// IWYU pragma: keep
// End of GCC diagnostic pragmas for C++ modules support
#if defined(__GNUC__) && !defined(__clang__) && __cplusplus >= 202002L
#pragma GCC diagnostic pop
#endif
// The user-defined string literals are in a separate header, because their
// bodies instantiate the parser in every translation unit that includes them.
// Define JSON_NO_AUTOMATIC_UDLS to include <nlohmann/json_literals.hpp> only