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Support special ${U+1}...${U+FFFFFFFF} Unicode character defines

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6324 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
anders_k 2013-03-29 02:04:21 +00:00
parent 12cb8bf7e3
commit 9fa3398dd9
5 changed files with 56 additions and 0 deletions
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27
Source/utf.cpp
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@ -56,6 +56,33 @@ inline UINT UTF8ToWC_Prepare(LPCSTR StrU8,UINT cbU8)
return UTF8ToWC_Convert(StrU8,cbU8,0,0);
}
UINT WCFromCodePoint(wchar_t*Dest,UINT cchDest,UINT32 CodPt)
{
// Don't allow half surrogate pairs
if (CodPt >= 0xd800 && CodPt <= 0xdfff) CodPt = UNICODE_REPLACEMENT_CHARACTER;
#ifdef _WIN32
if (CodPt <= 0xffff && cchDest)
{
*Dest = (wchar_t) CodPt;
return 1;
}
else if (cchDest >= 2)
{
const UINT32 lead_offset = 0xd800 - (0x10000 >> 10);
UINT16 lead = lead_offset + (CodPt >> 10), trail = 0xdc00 + (CodPt & 0x3ff);
Dest[0] = lead, Dest[1] = trail;
return 2;
}
return 0;
#else
iconvdescriptor iconvd;
if (!iconvd.Open("wchar_t",iconvd::GetHostEndianUCS4Code())) return 0;
size_t inleft = 4;
UINT cchW = iconvd.Convert(&codpt,&inleft,Dest,cchDest*sizeof(wchar_t)) / sizeof(wchar_t);
return !inleft ? cchW : 0;
#endif
}
wchar_t* DupWCFromBytes(void*Buffer,UINT cbBuffer,WORD SrcCP)
{
/*\