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Method renamed for clarity.

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This commit is contained in:
cata@netscape.com
1999-04-19 20:26:26 +00:00
parent f5839ef398
commit 92c708845d
6 changed files with 269 additions and 44 deletions
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106
intl/uconv/util/nsUnicodeDecodeHelper.cpp
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@@ -60,6 +60,19 @@ public:
PRUnichar * aDest, PRInt32 * aDestLength, PRInt32 aTableCount,
uRange * aRangeArray, uShiftTable ** aShiftTable,
uMappingTable ** aMappingTable);
NS_IMETHOD ConvertByMultiTable(const char * aSrc, PRInt32 * aSrcLength,
PRUnichar * aDest, PRInt32 * aDestLength, PRInt32 aTableCount,
uRange * aRangeArray, uShiftTable ** aShiftTable,
uMappingTable ** aMappingTable);
NS_IMETHOD ConvertByFastTable(const char * aSrc, PRInt32 * aSrcLength,
PRUnichar * aDest, PRInt32 * aDestLength, PRUnichar * aFastTable,
PRInt32 aTableSize);
NS_IMETHOD CreateFastTable( uShiftTable * aShiftTable,
uMappingTable * aMappingTable, PRUnichar * aFastTable,
PRInt32 aTableSize);
};
//----------------------------------------------------------------------
@@ -81,12 +94,13 @@ nsUnicodeDecodeHelper::~nsUnicodeDecodeHelper()
//----------------------------------------------------------------------
// Interface nsIUnicodeDecodeHelper [implementation]
NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByTable(const char * aSrc,
PRInt32 * aSrcLength,
PRUnichar * aDest,
PRInt32 * aDestLength,
uShiftTable * aShiftTable,
uMappingTable * aMappingTable)
NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByTable(
const char * aSrc,
PRInt32 * aSrcLength,
PRUnichar * aDest,
PRInt32 * aDestLength,
uShiftTable * aShiftTable,
uMappingTable * aMappingTable)
{
const char * src = aSrc;
PRInt32 srcLen = *aSrcLength;
@@ -126,14 +140,30 @@ NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByTable(const char * aSrc,
return res;
}
NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByTables(const char * aSrc,
PRInt32 * aSrcLength,
PRUnichar * aDest,
PRInt32 * aDestLength,
PRInt32 aTableCount,
uRange * aRangeArray,
uShiftTable ** aShiftTable,
uMappingTable ** aMappingTable)
NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByTables(
const char * aSrc,
PRInt32 * aSrcLength,
PRUnichar * aDest,
PRInt32 * aDestLength,
PRInt32 aTableCount,
uRange * aRangeArray,
uShiftTable ** aShiftTable,
uMappingTable ** aMappingTable)
{
// XXX deprecated
return ConvertByMultiTable(aSrc, aSrcLength, aDest, aDestLength,
aTableCount, aRangeArray, aShiftTable, aMappingTable);
}
NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByMultiTable(
const char * aSrc,
PRInt32 * aSrcLength,
PRUnichar * aDest,
PRInt32 * aDestLength,
PRInt32 aTableCount,
uRange * aRangeArray,
uShiftTable ** aShiftTable,
uMappingTable ** aMappingTable)
{
PRUint8 * src = (PRUint8 *)aSrc;
PRInt32 srcLen = *aSrcLength;
@@ -183,6 +213,54 @@ NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByTables(const char * aSrc,
return res;
}
NS_IMETHODIMP nsUnicodeDecodeHelper::ConvertByFastTable(
const char * aSrc,
PRInt32 * aSrcLength,
PRUnichar * aDest,
PRInt32 * aDestLength,
PRUnichar * aFastTable,
PRInt32 aTableSize)
{
PRUint8 * src = (PRUint8 *)aSrc;
PRUint8 * srcEnd = src;
PRUnichar * dest = aDest;
nsresult res;
if (*aSrcLength > *aDestLength) {
srcEnd += (*aDestLength);
res = NS_PARTIAL_MORE_OUTPUT;
} else {
srcEnd += (*aSrcLength);
res = NS_OK;
}
for (; src<srcEnd;) *dest++ = aFastTable[*src++];
*aSrcLength = src - (PRUint8 *)aSrc;
*aDestLength = dest - aDest;
return res;
}
NS_IMETHODIMP nsUnicodeDecodeHelper::CreateFastTable(
uShiftTable * aShiftTable,
uMappingTable * aMappingTable,
PRUnichar * aFastTable,
PRInt32 aTableSize)
{
PRInt32 tableSize = aTableSize;
PRInt32 buffSize = aTableSize;
char * buff = new char [buffSize];
if (buff == NULL) return NS_ERROR_OUT_OF_MEMORY;
char * p = buff;
for (PRInt32 i=0; i<aTableSize; i++) *(p++) = i;
nsresult res = ConvertByTable(buff, &buffSize, aFastTable, &tableSize,
aShiftTable, aMappingTable);
delete [] buff;
return res;
}
//----------------------------------------------------------------------
// Class nsDecodeHelperFactory [implementation]