138 lines
3.3 KiB
C++
138 lines
3.3 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: EncoderAdapter.cpp
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Date: 2021-8-19
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Author: Reece
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***/
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#include <RuntimeInternal.hpp>
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#include "../Locale.hpp"
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#include "Encoding.hpp"
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#include "EncoderIConv.hpp"
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#include "EncoderNSL.hpp"
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#include "ConvertInternal.hpp"
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#include "EncoderAdapter.hpp"
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namespace Aurora::Locale::Encoding
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{
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EncoderAdapter::EncoderAdapter()
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{
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}
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EncoderAdapter::~EncoderAdapter()
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{
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}
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void EncoderAdapter::Init(ECodePage page, bool decode)
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{
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this->page = page;
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this->decode = decode;
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}
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AuStreamReadWrittenPair_t EncoderAdapter::CPToUTF8(void *in, AuUInt32 length, void *utf8, AuUInt32 utf8Max)
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{
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AuStreamReadWrittenPair_t ret {};
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if (!length)
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{
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return {};
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}
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if (!in)
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{
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return {};
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}
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if (((page == ECodePage::eSysUnk) &&
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(GetInternalCodePage() == ECodePage::eUTF8)) ||
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(page == ECodePage::eUTF8))
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{
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auto readable = std::min(length, utf8Max);
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if (utf8 && in)
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{
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std::memcpy(utf8, in, readable);
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}
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return {length, utf8 ? utf8Max : length};
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}
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ret = Win32CPToUTF8(page, in, length, utf8, utf8Max);
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if (!ret.first)
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{
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ret = STLCPToUTF8(page, in, length, utf8, utf8Max);
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}
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return ret;
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}
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AuStreamReadWrittenPair_t EncoderAdapter::CPToUTF8(const void *in, AuUInt32 length, void *utf8, AuUInt32 utf8Max)
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{
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AuStreamReadWrittenPair_t ret {};
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if (!length)
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{
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return {};
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}
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if (!in)
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{
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return {};
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}
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if (((page == ECodePage::eSysUnk) &&
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(GetInternalCodePage() == ECodePage::eUTF8)) ||
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(page == ECodePage::eUTF8))
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{
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auto readable = std::min(length, utf8Max);
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if (utf8 && in)
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{
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std::memcpy(utf8, in, readable);
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}
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return {length, utf8 ? utf8Max : length};
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}
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ret = Win32CPToUTF8(page, in, length, utf8, utf8Max);
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if (!ret.first)
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{
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ret = STLCPToUTF8(page, in, length, utf8, utf8Max);
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}
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return ret;
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}
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AuStreamReadWrittenPair_t EncoderAdapter::UTF8ToCp(const void *utf8, AuUInt32 utf8Length, void *cp, AuUInt32 cpLen)
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{
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AuStreamReadWrittenPair_t ret {};
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if (!utf8)
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{
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return {};
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}
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if (!utf8Length)
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{
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return {};
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}
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if (((page == ECodePage::eSysUnk) &&
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(GetInternalCodePage() == ECodePage::eUTF8)) ||
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(page == ECodePage::eUTF8))
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{
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auto readable = std::min(utf8Length, cpLen);
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if (utf8 && cp)
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{
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std::memcpy(cp, utf8, readable);
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}
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return {utf8Length, utf8 ? cpLen : utf8Length};
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}
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ret = Win32UTF8ToCp(page, utf8, utf8Length, cp, cpLen);
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if (!ret.first)
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{
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ret = STLUTF8ToCp(page, utf8, utf8Length, cp, cpLen);
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}
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return ret;
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}
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} |