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Merge pull request #1127 from TranslucentTB/v1.x 

Fix deprecation warnings in filename_to_str and improve performance of wbuf_to_utf8buf
This commit is contained in:
Gabi Melman 2019-07-01 05:34:16 +03:00 committed by GitHub
parent 5a4deb6e88 9e602a491b
commit d8e17111b9
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 45 additions and 31 deletions
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17
include/spdlog/common.h
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@ -26,11 +26,6 @@
#include <windows.h>
#endif //_WIN32
#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
#include <codecvt>
#include <locale>
#endif
#ifdef SPDLOG_COMPILED_LIB
#undef SPDLOG_HEADER_ONLY
#define SPDLOG_INLINE
@ -80,11 +75,6 @@ class sink;
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
using filename_t = std::wstring;
#define SPDLOG_FILENAME_T(s) L##s
inline std::string filename_to_str(const filename_t &filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
}
#else
using filename_t = std::string;
#define SPDLOG_FILENAME_T(s) s
@ -97,10 +87,13 @@ using err_handler = std::function<void(const std::string &err_msg)>;
// string_view type - either std::string_view or fmt::string_view (pre c++17)
#if defined(FMT_USE_STD_STRING_VIEW)
using string_view_t = std::string_view;
template<typename T>
using basic_string_view_t = std::basic_string_view<T>;
#else
using string_view_t = fmt::string_view;
template<typename T>
using basic_string_view_t = fmt::basic_string_view<T>;
#endif
using string_view_t = basic_string_view_t<char>;
#if defined(SPDLOG_NO_ATOMIC_LEVELS)
using level_t = details::null_atomic_int;

49
include/spdlog/details/os-inl.h
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@ -36,6 +36,10 @@
#include <share.h>
#endif
#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)
#include <limits>
#endif
#else // unix
#include <fcntl.h>
@ -342,13 +346,14 @@ SPDLOG_INLINE void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) SPDLOG_NOEXCEPT
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
fmt::memory_buffer buf;
wstr_to_utf8buf(filename, buf);
return fmt::to_string(buf);
}
#else
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) SPDLOG_NOEXCEPT
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
return filename;
}
@ -398,28 +403,42 @@ SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
#endif
}
#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) && defined(_WIN32)
SPDLOG_INLINE void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target)
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
SPDLOG_INLINE void wstr_to_utf8buf(basic_string_view_t<wchar_t> wstr, fmt::memory_buffer &target)
{
int wbuf_size = static_cast<int>(wbuf.size());
if (wbuf_size == 0)
if (wstr.size() > static_cast<size_t>(std::numeric_limits<int>::max()))
{
throw spdlog::spdlog_ex("UTF-16 string is too big to be converted to UTF-8");
}
int wstr_size = static_cast<int>(wstr.size());
if (wstr_size == 0)
{
target.resize(0);
return;
}
auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL);
int result_size = static_cast<int>(target.capacity());
if ((wstr_size + 1) * 2 > result_size)
{
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL);
}
if (result_size > 0)
{
target.resize(result_size);
::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL);
}
else
{
throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL);
if (result_size > 0)
{
target.resize(result_size);
return;
}
}
throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
}
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT) && _WIN32
#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
} // namespace os
} // namespace details

6
include/spdlog/details/os.h
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@ -68,7 +68,7 @@ size_t thread_id() SPDLOG_NOEXCEPT;
// See https://github.com/gabime/spdlog/issues/609
void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT;
std::string filename_to_str(const filename_t &filename) SPDLOG_NOEXCEPT;
std::string filename_to_str(const filename_t &filename);
int pid() SPDLOG_NOEXCEPT;
@ -80,8 +80,8 @@ bool is_color_terminal() SPDLOG_NOEXCEPT;
// Source: https://github.com/agauniyal/rang/
bool in_terminal(FILE *file) SPDLOG_NOEXCEPT;
#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) && defined(_WIN32)
void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target);
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
void wstr_to_utf8buf(basic_string_view_t<wchar_t> wstr, fmt::memory_buffer &target);
#endif
} // namespace os

4
include/spdlog/logger.h
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@ -243,8 +243,10 @@ public:
// format to wmemory_buffer and convert to utf8
fmt::wmemory_buffer wbuf;
fmt::format_to(wbuf, fmt, args...);
fmt::memory_buffer buf;
details::os::wbuf_to_utf8buf(wbuf, buf);
details::os::wstr_to_utf8buf(basic_string_view_t<wchar_t>(wbuf.data(), wbuf.size()), buf);
details::log_msg log_msg(source, name_, lvl, string_view_t(buf.data(), buf.size()));
sink_it_(log_msg);
}