mirrors/spdlog
1
0
Fork 0
mirror of https://github.com/gabime/spdlog.git synced 2024-12-26 10:31:34 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Added back wstr_to_utf8buf() and utf8_to_wstrbuf() for windows

Browse Source
This commit is contained in:
gabime 2024-11-29 22:48:38 +02:00
parent 693062a8bf
commit 03e20348e2
2 changed files with 69 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/spdlog/details/os.h
View File

@ -75,6 +75,12 @@ SPDLOG_API bool is_color_terminal() noexcept;
// Source: https://github.com/agauniyal/rang/
SPDLOG_API bool in_terminal(FILE *file) noexcept;
#if (defined _WIN32)
SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target);
SPDLOG_API void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target);
#endif
// Return directory name from given path or empty string
// "abc/file" => "abc"
// "abc/" => "abc"

63
src/details/os_windows.cpp
View File

@ -167,6 +167,69 @@ bool is_color_terminal() noexcept { return true; }
// Determine if the terminal attached
bool in_terminal(FILE *file) noexcept { return ::_isatty(_fileno(file)) != 0; }
void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target) {
if (wstr.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) / 4 - 1) {
throw_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;
}
int result_size = static_cast<int>(target.capacity());
if ((wstr_size + 1) * 4 > result_size) {
result_size =
::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL);
}
if (result_size > 0) {
target.resize(result_size);
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_ex(
fmt_lib::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
}
void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) {
if (str.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) - 1) {
throw_spdlog_ex("UTF-8 string is too big to be converted to UTF-16");
}
int str_size = static_cast<int>(str.size());
if (str_size == 0) {
target.resize(0);
return;
}
// find the size to allocate for the result buffer
int result_size =
::MultiByteToWideChar(CP_UTF8, 0, str.data(), str_size, NULL, 0);
if (result_size > 0) {
target.resize(result_size);
result_size = ::MultiByteToWideChar(CP_UTF8, 0, str.data(), str_size, target.data(),
result_size);
if (result_size > 0) {
assert(result_size == target.size());
return;
}
}
throw_spdlog_ex(
fmt_lib::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError()));
}
// return true on success
static bool mkdir_(const filename_t &path) {
return ::_mkdir(path.c_str()) == 0;