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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
5 changed files with 172 additions and 50 deletions
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27
include/nlohmann/detail/input/lexer.hpp
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@@ -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;