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Core/StringExt: Refactor WideConverter

This commit is contained in:
SirLynix 2023-01-23 13:24:53 +01:00
parent ca0c4a5db7
commit 24bc1dac1c
1 changed files with 33 additions and 33 deletions
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66
src/Nazara/Core/StringExt.cpp
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@ -48,48 +48,48 @@ namespace Nz
template<std::size_t S>
struct WideConverter
{
static_assert(AlwaysFalse<std::integral_constant<std::size_t, S>>(), "unsupported platform");
};
#ifdef NAZARA_PLATFORM_WINDOWS
template<>
struct WideConverter<2>
{
// UTF-16 (Windows)
static std::string From(const wchar_t* wstr, std::size_t size)
{
if constexpr (S == 2)
{
// UTF-16 (Windows)
return FromUtf16String(std::u16string_view(reinterpret_cast<const char16_t*>(wstr), size));
}
else if constexpr (S == 4)
{
// UTF-32 (Linux)
return FromUtf32String(std::u32string_view(reinterpret_cast<const char32_t*>(wstr), size));
}
else
{
static_assert(AlwaysFalse<std::integral_constant<std::size_t, S>>::value, "Unsupported platform");
return std::string("<platform error>");
}
return FromUtf16String(std::u16string_view(reinterpret_cast<const char16_t*>(wstr), size));
}
static std::wstring To(const std::string_view& str)
{
if constexpr (S == 2)
{
std::wstring result;
utf8::utf8to16(str.begin(), str.end(), std::back_inserter(result));
std::wstring result;
utf8::utf8to16(str.begin(), str.end(), std::back_inserter(result));
return result;
}
else if constexpr (S == 4)
{
std::wstring result;
utf8::utf8to32(str.begin(), str.end(), std::back_inserter(result));
return result;
}
else
{
static_assert(AlwaysFalse<std::integral_constant<std::size_t, S>>::value, "Unsupported platform");
return std::wstring(L"<platform error>");
}
return result;
}
};
#endif
#ifndef NAZARA_PLATFORM_WINDOWS
template<>
struct WideConverter<4>
{
// UTF-32 (POSIX)
static std::string From(const wchar_t* wstr, std::size_t size)
{
return FromUtf32String(std::u32string_view(reinterpret_cast<const char32_t*>(wstr), size));
}
static std::wstring To(const std::string_view& str)
{
std::wstring result;
utf8::utf8to32(str.begin(), str.end(), std::back_inserter(result));
return result;
}
};
#endif
}
std::size_t ComputeCharacterCount(const std::string_view& str)