AuroraSupport/AuroraRuntime
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TODO move me

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This commit is contained in:
Reece Wilson 2021-09-06 14:17:41 +01:00
parent 02dc2d59cf
commit 35e4d4bedc
1 changed files with 28 additions and 7 deletions
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35
Source/Locale/Encoding/Encoding.hpp
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@ -90,6 +90,10 @@ namespace Aurora::Locale::Encoding
AuStreamReadWrittenPair_t EncodeUTF8(TypeIn_t binary, AuUInt32 binaryLength, void *utf8, AuUInt32 utfLen)
{
int offset = 0;
if (!binary) return {};
if (!binaryLength) return {};
if (!std::exchange(readHeader, true))
{
if (page == ECodePage::eUnsupported)
@ -123,13 +127,21 @@ namespace Aurora::Locale::Encoding
binaryLength = binaryLength - offset;
if (page == ECodePage::eGBK)
{
binaryLength = GetLenGBKString(reinterpret_cast<TypeCast_t>(binary) + offset, binaryLength);
}
else if (page == ECodePage::eSJIS)
{
binaryLength = GetLenSJISString(reinterpret_cast<TypeCast_t>(binary) + offset, binaryLength);
}
else if ((page == ECodePage::eUTF16) || (page == ECodePage::eUTF16BE))
{
binaryLength &= ~1;
}
else if ((page == ECodePage::eUTF32) || (page == ECodePage::eUTF32))
{
binaryLength &= ~3;
}
auto real = state.CPToUTF8(reinterpret_cast<TypeCast_t>(binary) + offset, binaryLength, utf8, utfLen);
return AuMakePair(real.first + offset, real.second);
@ -137,10 +149,9 @@ namespace Aurora::Locale::Encoding
AuStreamReadWrittenPair_t EncodeUTF8(TypeIn_t binary, AuUInt32 binaryLength, AuString &out)
{
int evil = 4;
if (page == ECodePage::eUTF16 || page == ECodePage::eUTF16BE) evil = 2; // utf 16 can only be 1.5x as long taking up 3 bytes
if (!AuTryResize(out, binaryLength * evil)) return {};
auto main = EncodeUTF8(binary, binaryLength, out.data(), out.size());
auto preemptive = EncodeUTF8(binary, binaryLength, nullptr, 0);
if (!AuTryResize(out, preemptive.second)) return {};
auto main = EncodeUTF8(binary, preemptive.second, out.data(), out.size());
if (main.second == 0) return {};
if (!AuTryResize(out, main.second)) return {};
out.shrink_to_fit();
@ -164,9 +175,19 @@ namespace Aurora::Locale::Encoding
{
return {};
}
out.resize(length * 4);
auto written = state.UTF8ToCp(utf8In, length, out.data(), AuUInt32(out.size()));
if (!utf8In)
{
return {};
}
if (!length)
{
return {};
}
auto preemptive = state.UTF8ToCp(utf8In, length, nullptr, 0);
auto written = state.UTF8ToCp(utf8In, preemptive.second, out.data(), AuUInt32(out.size()));
out.resize(written.second);
out.shrink_to_fit();
return written;