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Multi table support added.

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git-svn-id: svn://10.0.0.236/trunk@23775 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
cata%netscape.com
1999-03-11 22:36:40 +00:00
parent 22d212af2a
commit 75944f01ac
4 changed files with 103 additions and 1 deletions
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47
mozilla/intl/uconv/util/nsUnicodeEncodeHelper.cpp
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@@ -55,6 +55,10 @@ public:
NS_IMETHOD ConvertByTable(const PRUnichar * aSrc, PRInt32 * aSrcLength,
char * aDest, PRInt32 * aDestLength, uShiftTable * aShiftTable,
uMappingTable * aMappingTable);
NS_IMETHOD ConvertByTables(const PRUnichar * aSrc, PRInt32 * aSrcLength,
char * aDest, PRInt32 * aDestLength, PRInt32 aTableCount,
uShiftTable ** aShiftTable, uMappingTable ** aMappingTable);
};
//----------------------------------------------------------------------
@@ -114,6 +118,49 @@ NS_IMETHODIMP nsUnicodeEncodeHelper::ConvertByTable(const PRUnichar * aSrc,
return res;
}
NS_IMETHODIMP nsUnicodeEncodeHelper::ConvertByTables(const PRUnichar * aSrc,
PRInt32 * aSrcLength,
char * aDest,
PRInt32 * aDestLength,
PRInt32 aTableCount,
uShiftTable ** aShiftTable,
uMappingTable ** aMappingTable)
{
const PRUnichar * src = aSrc;
const PRUnichar * srcEnd = aSrc + *aSrcLength;
char * dest = aDest;
PRInt32 destLen = *aDestLength;
PRUnichar med;
PRInt32 bcw; // byte count for write;
nsresult res = NS_OK;
PRInt32 i;
while (src < srcEnd) {
for (i=0; i<aTableCount; i++)
if (uMapCode((uTable*) aMappingTable[i], *src, &med)) break;
src++;
if (i == aTableCount) {
res = NS_ERROR_UENC_NOMAPPING;
break;
}
if (!uGenerate(aShiftTable[i], 0, med, (PRUint8 *)dest, destLen,
(PRUint32 *)&bcw)) {
src--;
res = NS_OK_UENC_MOREOUTPUT;
break;
}
dest += bcw;
destLen -= bcw;
}
*aSrcLength = src - aSrc;
*aDestLength = dest - aDest;
return res;
}
//----------------------------------------------------------------------
// Class nsEncodeHelperFactory [implementation]