gecko-dev/intl/uconv/ucvtw2/nsUnicodeToEUCTW.cpp

114 строки
3.2 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 1.0 (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.
*/
#include "nsUnicodeToEUCTW.h"
#include "nsUCvTW2Dll.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static PRInt16 g_ASCIIShiftTable[] = {
0, u1ByteCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
static PRInt16 g_CNS1ShiftTable[] = {
0, u2BytesGRCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS2ShiftTable[] = {
0, u2BytesGRPrefix8EA2Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS3ShiftTable[] = {
0, u2BytesGRPrefix8EA3Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS4ShiftTable[] = {
0, u2BytesGRPrefix8EA4Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS5ShiftTable[] = {
0, u2BytesGRPrefix8EA5Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS6ShiftTable[] = {
0, u2BytesGRPrefix8EA6Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS7ShiftTable[] = {
0, u2BytesGRPrefix8EA7Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 *g_EUCTWShiftTableSet [] = {
g_ASCIIShiftTable,
g_CNS1ShiftTable,
g_CNS2ShiftTable,
g_CNS3ShiftTable,
g_CNS4ShiftTable,
g_CNS5ShiftTable,
g_CNS6ShiftTable,
g_CNS7ShiftTable
};
static PRUint16 *g_EUCTWMappingTableSet [] ={
g_ASCIIMappingTable,
g_ufCNS1MappingTable,
g_ufCNS2MappingTable,
g_ufCNS3MappingTable,
g_ufCNS4MappingTable,
g_ufCNS5MappingTable,
g_ufCNS6MappingTable,
g_ufCNS7MappingTable
};
//----------------------------------------------------------------------
// Class nsUnicodeToEUCTW [implementation]
nsUnicodeToEUCTW::nsUnicodeToEUCTW()
: nsMultiTableEncoderSupport( 8,
(uShiftTable**) &g_EUCTWShiftTableSet,
(uMappingTable**) &g_EUCTWMappingTableSet)
{
}
nsresult nsUnicodeToEUCTW::CreateInstance(nsISupports ** aResult)
{
nsIUnicodeEncoder *p = new nsUnicodeToEUCTW();
if(p) {
*aResult = p;
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
//----------------------------------------------------------------------
// Subclassing of nsTableEncoderSupport class [implementation]
NS_IMETHODIMP nsUnicodeToEUCTW::GetMaxLength(const PRUnichar * aSrc,
PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
*aDestLength = 4 * aSrcLength;
return NS_OK;
}