зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.4 KiB
C++
83 строки
2.4 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 "nsUnicodeToBIG5.h"
|
|
|
|
//----------------------------------------------------------------------
|
|
// Global functions and data [declaration]
|
|
|
|
static PRUint16 g_ufBig5Mapping[] = {
|
|
#include "big5.uf"
|
|
};
|
|
|
|
static PRUint16 gAsciiShiftTable[] = {
|
|
0, u1ByteCharset,
|
|
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
|
|
};
|
|
|
|
static PRUint16 gBig5ShiftTable[] = {
|
|
0, u2BytesCharset,
|
|
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
|
|
};
|
|
|
|
static PRUint16 g_AsciiMapping[] = {
|
|
0x0001, 0x0004, 0x0005, 0x0008, 0x0000, 0x0000, 0x007F, 0x0000
|
|
};
|
|
|
|
static PRUint16 *g_Big5MappingTable[2] = {
|
|
g_AsciiMapping,
|
|
g_ufBig5Mapping
|
|
};
|
|
|
|
static PRUint16 *g_Big5ShiftTable[2] = {
|
|
gAsciiShiftTable,
|
|
gBig5ShiftTable
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
// Class nsUnicodeToBIG5 [implementation]
|
|
|
|
nsUnicodeToBIG5::nsUnicodeToBIG5()
|
|
: nsMultiTableEncoderSupport(2,
|
|
(uShiftTable**) &g_Big5ShiftTable,
|
|
(uMappingTable**) &g_Big5MappingTable)
|
|
{
|
|
}
|
|
|
|
nsresult nsUnicodeToBIG5::CreateInstance(nsISupports ** aResult)
|
|
{
|
|
nsIUnicodeEncoder *p = new nsUnicodeToBIG5();
|
|
if(p) {
|
|
*aResult = p;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// Subclassing of nsTableEncoderSupport class [implementation]
|
|
|
|
NS_IMETHODIMP nsUnicodeToBIG5::GetMaxLength(const PRUnichar * aSrc,
|
|
PRInt32 aSrcLength,
|
|
PRInt32 * aDestLength)
|
|
{
|
|
*aDestLength = 2 * aSrcLength;
|
|
return NS_OK;
|
|
}
|