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Common: Work around bug in MSVC2015 standard library 

The char16_t/char32_t implementations aren't present in the library and
cause linker errors. This is a known issue that wasn't fixed in VS2015
RTM.
This commit is contained in:
Yuri Kunde Schlesner 2015-08-02 18:43:33 -03:00
parent 1af1c5c37b
commit 48393d452c
1 changed files with 14 additions and 0 deletions
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14
src/common/string_util.cpp
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@ -296,14 +296,28 @@ std::string ReplaceAll(std::string result, const std::string& src, const std::st
std::string UTF16ToUTF8(const std::u16string& input) std::string UTF16ToUTF8(const std::u16string& input)
{ {
#if _MSC_VER >= 1900
// Workaround for missing char16_t/char32_t instantiations in MSVC2015
std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
std::basic_string<__int16> tmp_buffer(input.cbegin(), input.cend());
return convert.to_bytes(tmp_buffer);
#else
std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert; std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
return convert.to_bytes(input); return convert.to_bytes(input);
#endif
} }
std::u16string UTF8ToUTF16(const std::string& input) std::u16string UTF8ToUTF16(const std::string& input)
{ {
#if _MSC_VER >= 1900
// Workaround for missing char16_t/char32_t instantiations in MSVC2015
std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
auto tmp_buffer = convert.from_bytes(input);
return std::u16string(tmp_buffer.cbegin(), tmp_buffer.cend());
#else
std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert; std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
return convert.from_bytes(input); return convert.from_bytes(input);
#endif
} }
static std::string UTF16ToUTF8(const std::wstring& input) static std::string UTF16ToUTF8(const std::wstring& input)