gecko-dev/intl/uconv/ucvtw/nsUnicodeToBIG5NoAscii.cpp

65 строки
2.1 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 "nsUnicodeToBIG5NoAscii.h"
#include "nsUCvTWDll.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static const PRUint16 gBig5ShiftTable[] = {
0, u2BytesCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
//----------------------------------------------------------------------
// Class nsUnicodeToBIG5NoAscii [implementation]
nsUnicodeToBIG5NoAscii::nsUnicodeToBIG5NoAscii()
: nsTableEncoderSupport( (uShiftTable*) &gBig5ShiftTable,
(uMappingTable*) &g_ufBig5Mapping)
{
}
//----------------------------------------------------------------------
// Subclassing of nsTableEncoderSupport class [implementation]
NS_IMETHODIMP nsUnicodeToBIG5NoAscii::GetMaxLength(const PRUnichar * aSrc,
PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
*aDestLength = 2 * aSrcLength;
return NS_OK_UENC_EXACTLENGTH;
}
NS_IMETHODIMP nsUnicodeToBIG5NoAscii::FillInfo(PRUint32 *aInfo)
{
nsresult rv = nsTableEncoderSupport::FillInfo(aInfo); // call the super class
if(NS_SUCCEEDED(rv))
{
// mark the first 128 bits as 0. 4 x 32 bits = 128 bits
aInfo[0] = aInfo[1] = aInfo[2] = aInfo[3] = 0;
}
return rv;
}