gecko-dev/intl/uconv/ucvko/nsEUCKRToUnicode.cpp

101 строка
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsEUCKRToUnicode.h"
#include "nsUCvKODll.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static PRUint16 g_ASCIIShiftTable[] = {
0, u1ByteCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
#ifdef MS_EUCKR
static PRUint16 g_EUCKRMappingTable[] = {
#include "u20ksc.ut"
};
static PRUint16 g_EUCKRShiftTable[] = {
0, u2BytesCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0)
};
static uRange g_EUCKRRanges[] = {
{ 0x00, 0x7E },
{ 0x81, 0xFE }
};
#else
static PRUint16 g_EUCKRShiftTable[] = {
0, u2BytesGRCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0)
};
static uRange g_EUCKRRanges[] = {
{ 0x00, 0x7E },
{ 0xA1, 0xFE }
};
#endif
static PRUint16 *g_EUCKRShiftTableSet [] = {
g_ASCIIShiftTable,
g_EUCKRShiftTable
};
static PRUint16 *g_EUCKRMappingTableSet [] ={
g_AsciiMapping,
g_utKSC5601Mapping
};
//----------------------------------------------------------------------
// Class nsEUCKRToUnicode [implementation]
nsEUCKRToUnicode::nsEUCKRToUnicode()
: nsMultiTableDecoderSupport(2,
(uRange*) &g_EUCKRRanges,
(uShiftTable**) &g_EUCKRShiftTableSet,
(uMappingTable**) &g_EUCKRMappingTableSet)
{
}
nsresult nsEUCKRToUnicode::CreateInstance(nsISupports ** aResult)
{
*aResult = new nsEUCKRToUnicode();
return (*aResult == NULL)? NS_ERROR_OUT_OF_MEMORY : NS_OK;
}
//----------------------------------------------------------------------
// Subclassing of nsTablesDecoderSupport class [implementation]
NS_IMETHODIMP nsEUCKRToUnicode::GetMaxLength(const char * aSrc,
PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
// we are a single byte to Unicode converter, so...
*aDestLength = aSrcLength;
return NS_OK_UDEC_EXACTLENGTH;
}