void charsetConverter_Win::convert(const string& s_In, string& s_Out)
{
if (m_source == m_dest)
{
// No conversion needed
s_Out = s_In;
return;
}
int s32_CpSrc = getCodePage(m_source.getName().c_str());
int s32_CpDst = getCodePage(m_dest .getName().c_str());
wstring s_UniBuffer;
WCHAR* u16_UniPtr = NULL;
int s32_UniLen = 0;
if (s32_CpSrc == CP_UNICODE)
{
u16_UniPtr = (WCHAR*)s_In.c_str();
s32_UniLen = s_In.length() / 2;
}
else
{
int s32_BufSize = s_In.length() * 2; // in wide characters
s_UniBuffer.resize(s32_BufSize);
u16_UniPtr = (WCHAR*)s_UniBuffer.c_str();
s32_UniLen = MultiByteToWideChar(s32_CpSrc, 0, s_In.c_str(), s_In.length(), u16_UniPtr, s32_BufSize);
}
if (s32_CpDst == CP_UNICODE)
{
s_Out.assign((const char*)u16_UniPtr, s32_UniLen *2);
}
else
{
int s32_BufSize = s32_UniLen * 6; // in multibyte characters
string s_Buffer;
s_Buffer.resize(s32_BufSize);
char* s8_Buffer = (char*)s_Buffer.c_str();
int s32_Len = WideCharToMultiByte(s32_CpDst, 0, u16_UniPtr, s32_UniLen, s8_Buffer, s32_BufSize, 0, NULL);
s_Out.assign(s8_Buffer, s32_Len);
}
}
librevenge::RVNGString libvisio::VSDMetaData::readCodePageString(librevenge::RVNGInputStream *input)
{
uint32_t size = readU32(input);
if (size > getRemainingLength(input))
size = getRemainingLength(input);
if (size == 0)
return librevenge::RVNGString();
std::vector<unsigned char> characters;
for (uint32_t i = 0; i < size; ++i)
characters.push_back(readU8(input));
uint32_t codepage = getCodePage();
librevenge::RVNGString string;
if (codepage == 65001)
{
// http://msdn.microsoft.com/en-us/library/windows/desktop/dd374130%28v=vs.85%29.aspx
// says this is UTF-8.
characters.push_back(0);
string.append(reinterpret_cast<const char *>(characters.data()));
}
else
{
UErrorCode status = U_ZERO_ERROR;
UConverter *conv = nullptr;
switch (codepage)
{
case 1252:
// http://msdn.microsoft.com/en-us/goglobal/bb964654
conv = ucnv_open("windows-1252", &status);
break;
}
if (U_SUCCESS(status) && conv)
{
assert(!characters.empty());
const auto *src = (const char *)&characters[0];
const char *srcLimit = (const char *)src + characters.size();
while (src < srcLimit)
{
UChar32 ucs4Character = ucnv_getNextUChar(conv, &src, srcLimit, &status);
if (U_SUCCESS(status) && U_IS_UNICODE_CHAR(ucs4Character))
appendUCS4(string, ucs4Character);
}
}
if (conv)
ucnv_close(conv);
}
return string;
}
static PassOwnPtr<TextCodec> newTextCodecWin(const TextEncoding& encoding, const void*)
{
return adoptPtr(new TextCodecWin(getCodePage(encoding.name())));
}
void TDisplay::updateIntlChars()
{
if(getCodePage() != 437 )
TFrame::frameChars[30] = 'м';
}
