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Fix char_traits deprecation warning (#4179)

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Colby Haskell 2023-11-27 00:51:25 -05:00 committed by GitHub
parent f56c6e2e30
commit 1d597743d8
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5 changed files with 172 additions and 50 deletions
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18
include/nlohmann/detail/input/binary_reader.hpp
View File

@ -72,7 +72,7 @@ class binary_reader
using binary_t = typename BasicJsonType::binary_t;
using json_sax_t = SAX;
using char_type = typename InputAdapterType::char_type;
using char_int_type = typename std::char_traits<char_type>::int_type;
using char_int_type = typename char_traits<char_type>::int_type;
public:
/*!
@ -145,7 +145,7 @@ class binary_reader
get();
}
if (JSON_HEDLEY_UNLIKELY(current != std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_UNLIKELY(current != char_traits<char_type>::eof()))
{
return sax->parse_error(chars_read, get_token_string(), parse_error::create(110, chars_read,
exception_message(input_format, concat("expected end of input; last byte: 0x", get_token_string()), "value"), nullptr));
@ -228,7 +228,7 @@ class binary_reader
exception_message(input_format_t::bson, concat("string length must be at least 1, is ", std::to_string(len)), "string"), nullptr));
}
return get_string(input_format_t::bson, len - static_cast<NumberType>(1), result) && get() != std::char_traits<char_type>::eof();
return get_string(input_format_t::bson, len - static_cast<NumberType>(1), result) && get() != char_traits<char_type>::eof();
}
/*!
@ -422,7 +422,7 @@ class binary_reader
switch (get_char ? get() : current)
{
// EOF
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
return unexpect_eof(input_format_t::cbor, "value");
// Integer 0x00..0x17 (0..23)
@ -1197,7 +1197,7 @@ class binary_reader
switch (get())
{
// EOF
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
return unexpect_eof(input_format_t::msgpack, "value");
// positive fixint
@ -2299,7 +2299,7 @@ class binary_reader
{
switch (prefix)
{
case std::char_traits<char_type>::eof(): // EOF
case char_traits<char_type>::eof(): // EOF
return unexpect_eof(input_format, "value");
case 'T': // true
@ -2744,7 +2744,7 @@ class binary_reader
This function provides the interface to the used input adapter. It does
not throw in case the input reached EOF, but returns a -'ve valued
`std::char_traits<char_type>::eof()` in that case.
`char_traits<char_type>::eof()` in that case.
@return character read from the input
*/
@ -2886,7 +2886,7 @@ class binary_reader
JSON_HEDLEY_NON_NULL(3)
bool unexpect_eof(const input_format_t format, const char* context) const
{
if (JSON_HEDLEY_UNLIKELY(current == std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_UNLIKELY(current == char_traits<char_type>::eof()))
{
return sax->parse_error(chars_read, "<end of file>",
parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context), nullptr));
@ -2953,7 +2953,7 @@ class binary_reader
InputAdapterType ia;
/// the current character
char_int_type current = std::char_traits<char_type>::eof();
char_int_type current = char_traits<char_type>::eof();
/// the number of characters read
std::size_t chars_read = 0;

7
include/nlohmann/detail/input/input_adapters.hpp
View File

@ -25,6 +25,7 @@
#include <nlohmann/detail/iterators/iterator_traits.hpp>
#include <nlohmann/detail/macro_scope.hpp>
#include <nlohmann/detail/meta/type_traits.hpp>
NLOHMANN_JSON_NAMESPACE_BEGIN
namespace detail
@ -144,16 +145,16 @@ class iterator_input_adapter
: current(std::move(first)), end(std::move(last))
{}
typename std::char_traits<char_type>::int_type get_character()
typename char_traits<char_type>::int_type get_character()
{
if (JSON_HEDLEY_LIKELY(current != end))
{
auto result = std::char_traits<char_type>::to_int_type(*current);
auto result = char_traits<char_type>::to_int_type(*current);
std::advance(current, 1);
return result;
}
return std::char_traits<char_type>::eof();
return char_traits<char_type>::eof();
}
private:

27
include/nlohmann/detail/input/lexer.hpp
View File

@ -21,6 +21,7 @@
#include <nlohmann/detail/input/input_adapters.hpp>
#include <nlohmann/detail/input/position_t.hpp>
#include <nlohmann/detail/macro_scope.hpp>
#include <nlohmann/detail/meta/type_traits.hpp>
NLOHMANN_JSON_NAMESPACE_BEGIN
namespace detail
@ -115,7 +116,7 @@ class lexer : public lexer_base<BasicJsonType>
using number_float_t = typename BasicJsonType::number_float_t;
using string_t = typename BasicJsonType::string_t;
using char_type = typename InputAdapterType::char_type;
using char_int_type = typename std::char_traits<char_type>::int_type;
using char_int_type = typename char_traits<char_type>::int_type;
public:
using token_type = typename lexer_base<BasicJsonType>::token_type;
@ -265,7 +266,7 @@ class lexer : public lexer_base<BasicJsonType>
switch (get())
{
// end of file while parsing string
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
{
error_message = "invalid string: missing closing quote";
return token_type::parse_error;
@ -854,7 +855,7 @@ class lexer : public lexer_base<BasicJsonType>
{
case '\n':
case '\r':
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
case '\0':
return true;
@ -871,7 +872,7 @@ class lexer : public lexer_base<BasicJsonType>
{
switch (get())
{
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
case '\0':
{
error_message = "invalid comment; missing closing '*/'";
@ -1300,10 +1301,10 @@ scan_number_done:
token_type scan_literal(const char_type* literal_text, const std::size_t length,
token_type return_type)
{
JSON_ASSERT(std::char_traits<char_type>::to_char_type(current) == literal_text[0]);
JSON_ASSERT(char_traits<char_type>::to_char_type(current) == literal_text[0]);
for (std::size_t i = 1; i < length; ++i)
{
if (JSON_HEDLEY_UNLIKELY(std::char_traits<char_type>::to_char_type(get()) != literal_text[i]))
if (JSON_HEDLEY_UNLIKELY(char_traits<char_type>::to_char_type(get()) != literal_text[i]))
{
error_message = "invalid literal";
return token_type::parse_error;
@ -1321,7 +1322,7 @@ scan_number_done:
{
token_buffer.clear();
token_string.clear();
token_string.push_back(std::char_traits<char_type>::to_char_type(current));
token_string.push_back(char_traits<char_type>::to_char_type(current));
}
/*
@ -1329,7 +1330,7 @@ scan_number_done:
This function provides the interface to the used input adapter. It does
not throw in case the input reached EOF, but returns a
`std::char_traits<char>::eof()` in that case. Stores the scanned characters
`char_traits<char>::eof()` in that case. Stores the scanned characters
for use in error messages.
@return character read from the input
@ -1349,9 +1350,9 @@ scan_number_done:
current = ia.get_character();
}
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_LIKELY(current != char_traits<char_type>::eof()))
{
token_string.push_back(std::char_traits<char_type>::to_char_type(current));
token_string.push_back(char_traits<char_type>::to_char_type(current));
}
if (current == '\n')
@ -1390,7 +1391,7 @@ scan_number_done:
--position.chars_read_current_line;
}
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_LIKELY(current != char_traits<char_type>::eof()))
{
JSON_ASSERT(!token_string.empty());
token_string.pop_back();
@ -1584,7 +1585,7 @@ scan_number_done:
// end of input (the null byte is needed when parsing from
// string literals)
case '\0':
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
return token_type::end_of_input;
// error
@ -1602,7 +1603,7 @@ scan_number_done:
const bool ignore_comments = false;
/// the current character
char_int_type current = std::char_traits<char_type>::eof();
char_int_type current = char_traits<char_type>::eof();
/// whether the next get() call should just return current
bool next_unget = false;

58
include/nlohmann/detail/meta/type_traits.hpp
View File

@ -12,6 +12,7 @@
#include <type_traits> // false_type, is_constructible, is_integral, is_same, true_type
#include <utility> // declval
#include <tuple> // tuple
#include <string> // char_traits
#include <nlohmann/detail/iterators/iterator_traits.hpp>
#include <nlohmann/detail/macro_scope.hpp>
@ -181,6 +182,63 @@ struct actual_object_comparator
template<typename BasicJsonType>
using actual_object_comparator_t = typename actual_object_comparator<BasicJsonType>::type;
/////////////////
// char_traits //
/////////////////
// Primary template of char_traits calls std char_traits
template<typename T>
struct char_traits : std::char_traits<T>
{};
// Explicitly define char traits for unsigned char since it is not standard
template<>
struct char_traits<unsigned char> : std::char_traits<char>
{
using char_type = unsigned char;
using int_type = uint64_t;
// Redefine to_int_type function
static int_type to_int_type(char_type c) noexcept
{
return static_cast<int_type>(c);
}
static char_type to_char_type(int_type i) noexcept
{
return static_cast<char_type>(i);
}
static constexpr int_type eof() noexcept
{
return static_cast<int_type>(EOF);
}
};
// Explicitly define char traits for signed char since it is not standard
template<>
struct char_traits<signed char> : std::char_traits<char>
{
using char_type = signed char;
using int_type = uint64_t;
// Redefine to_int_type function
static int_type to_int_type(char_type c) noexcept
{
return static_cast<int_type>(c);
}
static char_type to_char_type(int_type i) noexcept
{
return static_cast<char_type>(i);
}
static constexpr int_type eof() noexcept
{
return static_cast<int_type>(EOF);
}
};
///////////////////
// is_ functions //
///////////////////

112
single_include/nlohmann/json.hpp
View File

@ -3242,6 +3242,7 @@ NLOHMANN_JSON_NAMESPACE_END
#include <type_traits> // false_type, is_constructible, is_integral, is_same, true_type
#include <utility> // declval
#include <tuple> // tuple
#include <string> // char_traits
// #include <nlohmann/detail/iterators/iterator_traits.hpp>
// __ _____ _____ _____
@ -3594,6 +3595,63 @@ struct actual_object_comparator
template<typename BasicJsonType>
using actual_object_comparator_t = typename actual_object_comparator<BasicJsonType>::type;
/////////////////
// char_traits //
/////////////////
// Primary template of char_traits calls std char_traits
template<typename T>
struct char_traits : std::char_traits<T>
{};
// Explicitly define char traits for unsigned char since it is not standard
template<>
struct char_traits<unsigned char> : std::char_traits<char>
{
using char_type = unsigned char;
using int_type = uint64_t;
// Redefine to_int_type function
static int_type to_int_type(char_type c) noexcept
{
return static_cast<int_type>(c);
}
static char_type to_char_type(int_type i) noexcept
{
return static_cast<char_type>(i);
}
static constexpr int_type eof() noexcept
{
return static_cast<int_type>(EOF);
}
};
// Explicitly define char traits for signed char since it is not standard
template<>
struct char_traits<signed char> : std::char_traits<char>
{
using char_type = signed char;
using int_type = uint64_t;
// Redefine to_int_type function
static int_type to_int_type(char_type c) noexcept
{
return static_cast<int_type>(c);
}
static char_type to_char_type(int_type i) noexcept
{
return static_cast<char_type>(i);
}
static constexpr int_type eof() noexcept
{
return static_cast<int_type>(EOF);
}
};
///////////////////
// is_ functions //
///////////////////
@ -6107,6 +6165,8 @@ NLOHMANN_JSON_NAMESPACE_END
// #include <nlohmann/detail/macro_scope.hpp>
// #include <nlohmann/detail/meta/type_traits.hpp>
NLOHMANN_JSON_NAMESPACE_BEGIN
namespace detail
@ -6226,16 +6286,16 @@ class iterator_input_adapter
: current(std::move(first)), end(std::move(last))
{}
typename std::char_traits<char_type>::int_type get_character()
typename char_traits<char_type>::int_type get_character()
{
if (JSON_HEDLEY_LIKELY(current != end))
{
auto result = std::char_traits<char_type>::to_int_type(*current);
auto result = char_traits<char_type>::to_int_type(*current);
std::advance(current, 1);
return result;
}
return std::char_traits<char_type>::eof();
return char_traits<char_type>::eof();
}
private:
@ -7331,6 +7391,8 @@ NLOHMANN_JSON_NAMESPACE_END
// #include <nlohmann/detail/macro_scope.hpp>
// #include <nlohmann/detail/meta/type_traits.hpp>
NLOHMANN_JSON_NAMESPACE_BEGIN
namespace detail
@ -7425,7 +7487,7 @@ class lexer : public lexer_base<BasicJsonType>
using number_float_t = typename BasicJsonType::number_float_t;
using string_t = typename BasicJsonType::string_t;
using char_type = typename InputAdapterType::char_type;
using char_int_type = typename std::char_traits<char_type>::int_type;
using char_int_type = typename char_traits<char_type>::int_type;
public:
using token_type = typename lexer_base<BasicJsonType>::token_type;
@ -7575,7 +7637,7 @@ class lexer : public lexer_base<BasicJsonType>
switch (get())
{
// end of file while parsing string
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
{
error_message = "invalid string: missing closing quote";
return token_type::parse_error;
@ -8164,7 +8226,7 @@ class lexer : public lexer_base<BasicJsonType>
{
case '\n':
case '\r':
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
case '\0':
return true;
@ -8181,7 +8243,7 @@ class lexer : public lexer_base<BasicJsonType>
{
switch (get())
{
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
case '\0':
{
error_message = "invalid comment; missing closing '*/'";
@ -8610,10 +8672,10 @@ scan_number_done:
token_type scan_literal(const char_type* literal_text, const std::size_t length,
token_type return_type)
{
JSON_ASSERT(std::char_traits<char_type>::to_char_type(current) == literal_text[0]);
JSON_ASSERT(char_traits<char_type>::to_char_type(current) == literal_text[0]);
for (std::size_t i = 1; i < length; ++i)
{
if (JSON_HEDLEY_UNLIKELY(std::char_traits<char_type>::to_char_type(get()) != literal_text[i]))
if (JSON_HEDLEY_UNLIKELY(char_traits<char_type>::to_char_type(get()) != literal_text[i]))
{
error_message = "invalid literal";
return token_type::parse_error;
@ -8631,7 +8693,7 @@ scan_number_done:
{
token_buffer.clear();
token_string.clear();
token_string.push_back(std::char_traits<char_type>::to_char_type(current));
token_string.push_back(char_traits<char_type>::to_char_type(current));
}
/*
@ -8639,7 +8701,7 @@ scan_number_done:
This function provides the interface to the used input adapter. It does
not throw in case the input reached EOF, but returns a
`std::char_traits<char>::eof()` in that case. Stores the scanned characters
`char_traits<char>::eof()` in that case. Stores the scanned characters
for use in error messages.
@return character read from the input
@ -8659,9 +8721,9 @@ scan_number_done:
current = ia.get_character();
}
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_LIKELY(current != char_traits<char_type>::eof()))
{
token_string.push_back(std::char_traits<char_type>::to_char_type(current));
token_string.push_back(char_traits<char_type>::to_char_type(current));
}
if (current == '\n')
@ -8700,7 +8762,7 @@ scan_number_done:
--position.chars_read_current_line;
}
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_LIKELY(current != char_traits<char_type>::eof()))
{
JSON_ASSERT(!token_string.empty());
token_string.pop_back();
@ -8894,7 +8956,7 @@ scan_number_done:
// end of input (the null byte is needed when parsing from
// string literals)
case '\0':
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
return token_type::end_of_input;
// error
@ -8912,7 +8974,7 @@ scan_number_done:
const bool ignore_comments = false;
/// the current character
char_int_type current = std::char_traits<char_type>::eof();
char_int_type current = char_traits<char_type>::eof();
/// whether the next get() call should just return current
bool next_unget = false;
@ -9155,7 +9217,7 @@ class binary_reader
using binary_t = typename BasicJsonType::binary_t;
using json_sax_t = SAX;
using char_type = typename InputAdapterType::char_type;
using char_int_type = typename std::char_traits<char_type>::int_type;
using char_int_type = typename char_traits<char_type>::int_type;
public:
/*!
@ -9228,7 +9290,7 @@ class binary_reader
get();
}
if (JSON_HEDLEY_UNLIKELY(current != std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_UNLIKELY(current != char_traits<char_type>::eof()))
{
return sax->parse_error(chars_read, get_token_string(), parse_error::create(110, chars_read,
exception_message(input_format, concat("expected end of input; last byte: 0x", get_token_string()), "value"), nullptr));
@ -9311,7 +9373,7 @@ class binary_reader
exception_message(input_format_t::bson, concat("string length must be at least 1, is ", std::to_string(len)), "string"), nullptr));
}
return get_string(input_format_t::bson, len - static_cast<NumberType>(1), result) && get() != std::char_traits<char_type>::eof();
return get_string(input_format_t::bson, len - static_cast<NumberType>(1), result) && get() != char_traits<char_type>::eof();
}
/*!
@ -9505,7 +9567,7 @@ class binary_reader
switch (get_char ? get() : current)
{
// EOF
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
return unexpect_eof(input_format_t::cbor, "value");
// Integer 0x00..0x17 (0..23)
@ -10280,7 +10342,7 @@ class binary_reader
switch (get())
{
// EOF
case std::char_traits<char_type>::eof():
case char_traits<char_type>::eof():
return unexpect_eof(input_format_t::msgpack, "value");
// positive fixint
@ -11382,7 +11444,7 @@ class binary_reader
{
switch (prefix)
{
case std::char_traits<char_type>::eof(): // EOF
case char_traits<char_type>::eof(): // EOF
return unexpect_eof(input_format, "value");
case 'T': // true
@ -11827,7 +11889,7 @@ class binary_reader
This function provides the interface to the used input adapter. It does
not throw in case the input reached EOF, but returns a -'ve valued
`std::char_traits<char_type>::eof()` in that case.
`char_traits<char_type>::eof()` in that case.
@return character read from the input
*/
@ -11969,7 +12031,7 @@ class binary_reader
JSON_HEDLEY_NON_NULL(3)
bool unexpect_eof(const input_format_t format, const char* context) const
{
if (JSON_HEDLEY_UNLIKELY(current == std::char_traits<char_type>::eof()))
if (JSON_HEDLEY_UNLIKELY(current == char_traits<char_type>::eof()))
{
return sax->parse_error(chars_read, "<end of file>",
parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context), nullptr));
@ -12036,7 +12098,7 @@ class binary_reader
InputAdapterType ia;
/// the current character
char_int_type current = std::char_traits<char_type>::eof();
char_int_type current = char_traits<char_type>::eof();
/// the number of characters read
std::size_t chars_read = 0;