int ZipPlatform::SingleToWide(const CZipAutoBuffer &szSingle, CZipString& szWide, bool bUseAnsi)
{
int singleLen = szSingle.GetSize();
// iLen doesn't include terminating character
UINT uCodePage;
DWORD dwFlags;
if (bUseAnsi)
{
uCodePage = CP_ACP;
dwFlags = MB_PRECOMPOSED;
}
else
{
uCodePage = CP_UTF8;
dwFlags = 0;
}
int iLen = MultiByteToWideChar(uCodePage, dwFlags, szSingle.GetBuffer(), singleLen, NULL, 0);
if (iLen > 0)
{
iLen = MultiByteToWideChar(uCodePage, dwFlags, szSingle.GetBuffer(), singleLen,
szWide.GetBuffer(iLen) , iLen);
szWide.ReleaseBuffer(iLen);
ASSERT(iLen != 0);
}
else
{
szWide.Empty();
iLen --; // return -1
}
return iLen;
}
int ZipPlatform::MultiByteToWide(const CZipAutoBuffer &szIn, CZipString& szOut, UINT uCodePage)
{
int singleLen = szIn.GetSize();
if (singleLen == 0)
{
szOut.Empty();
return 0;
}
// iLen doesn't include terminating character
DWORD dwFlags = uCodePage <= CP_OEMCP ? MB_PRECOMPOSED : 0;
int iLen = MultiByteToWideChar(uCodePage, dwFlags, szIn.GetBuffer(), singleLen, NULL, 0);
if (iLen > 0)
{
iLen = MultiByteToWideChar(uCodePage, dwFlags, szIn.GetBuffer(), singleLen,
szOut.GetBuffer(iLen) , iLen);
szOut.ReleaseBuffer(iLen);
ASSERT(iLen > 0);
if (iLen == 0)
return -1;
#ifdef _ZIP_UNICODE_NORMALIZE
// if there is a problem with compilation here, you may need uncomment the block defining WINVER = 0x0600 at the bottom of _features.h file
if (IsNormalizedString(NormalizationC, szOut, iLen + 1) == TRUE)
return iLen;
int iNewLen = NormalizeString(NormalizationC, szOut, iLen, NULL, 0);
if (iNewLen <= 0)
{
return iLen;
}
CZipString szNormalized;
iNewLen = NormalizeString(NormalizationC, szOut, iLen, szNormalized.GetBuffer(iNewLen), iNewLen);
if (iNewLen <= 0)
{
szNormalized.ReleaseBuffer(0);
return iLen;
}
szNormalized.ReleaseBuffer(iNewLen);
szOut = szNormalized;
return iNewLen;
#else
return iLen;
#endif
}
else
{
szOut.Empty();
return -1;
}
}
int ZipPlatform::SingleToWide(const CZipAutoBuffer &szSingle, CZipString& szWide)
{
int singleLen = szSingle.GetSize();
// iLen doesn't include terminating character
int iLen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szSingle.GetBuffer(), singleLen, NULL, 0);
if (iLen > 0)
{
iLen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szSingle.GetBuffer(), singleLen,
szWide.GetBuffer(iLen) , iLen);
szWide.ReleaseBuffer(iLen);
ASSERT(iLen != 0);
}
else
{
szWide.Empty();
iLen --; // return -1
}
return iLen;
}
void ZipCompatibility::ConvertBufferToString(CZipString& szString, const CZipAutoBuffer& buffer, UINT uCodePage)
{
#ifdef _UNICODE
ZipPlatform::MultiByteToWide(buffer, szString, uCodePage);
#else
// iLen does not include the NULL character
int iLen;
if (uCodePage == CP_OEMCP)
{
CZipAutoBuffer buf;
buf = buffer;
ZipPlatform::AnsiOem(buf, false);
iLen = buf.GetSize();
memcpy(szString.GetBuffer(iLen), buf.GetBuffer(), iLen);
}
else
{
iLen = buffer.GetSize();
memcpy(szString.GetBuffer(iLen), buffer.GetBuffer(), iLen);
}
szString.ReleaseBuffer(iLen);
#endif
}