gecko-dev/intl/uconv/ucvcn/nsUnicodeToGB2312.cpp
1999-06-08 21:06:47 +00:00

76 lines
2.3 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 "nsUnicodeToGB2312.h"
#include "nsUCvCnDll.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static PRInt16 g_ASCIIShiftTable[] = {
0, u1ByteCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
static PRInt16 g_GB2312ShiftTable[] = {
0, u2BytesGRCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
static PRInt16 *g_GB2312ShiftTableSet [] = {
g_ASCIIShiftTable,
g_GB2312ShiftTable
};
static PRUint16 *g_GB2312MappingTableSet [] ={
g_AsciiMapping,
g_ufGB2312Mapping
};
//----------------------------------------------------------------------
// Class nsUnicodeToGB2312 [implementation]
nsUnicodeToGB2312::nsUnicodeToGB2312()
: nsMultiTableEncoderSupport(2,
(uShiftTable**) &g_GB2312ShiftTableSet,
(uMappingTable**) &g_GB2312MappingTableSet)
{
}
nsresult nsUnicodeToGB2312::CreateInstance(nsISupports ** aResult)
{
nsIUnicodeEncoder *p = new nsUnicodeToGB2312();
if(p) {
*aResult = p;
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
//----------------------------------------------------------------------
// Subclassing of nsTableEncoderSupport class [implementation]
NS_IMETHODIMP nsUnicodeToGB2312::GetMaxLength(const PRUnichar * aSrc,
PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
*aDestLength = 2 * aSrcLength;
return NS_OK;
}