pjs/intl/uconv/ucvja/nsUnicodeToSJIS.cpp

66 строки
2.2 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 "nsUnicodeToSJIS.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static PRUint16 g_SJISMappingTable[] = {
#include "sjis.uf"
};
static PRInt16 g_SJISShiftTable[] = {
4, uMultibytesCharset,
ShiftCell(u1ByteChar, 1, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x7F),
ShiftCell(u1ByteChar, 1, 0xA1, 0xDF, 0x00, 0xA1, 0x00, 0xDF),
ShiftCell(u2BytesChar, 2, 0x81, 0x9F, 0x81, 0x40, 0x9F, 0xFC),
ShiftCell(u2BytesChar, 2, 0xE0, 0xFC, 0xE0, 0x40, 0xFC, 0xFC)
};
//----------------------------------------------------------------------
// Class nsUnicodeToSJIS [implementation]
nsUnicodeToSJIS::nsUnicodeToSJIS()
: nsTableEncoderSupport((uShiftTable*) &g_SJISShiftTable,
(uMappingTable*) &g_SJISMappingTable)
{
}
nsresult nsUnicodeToSJIS::CreateInstance(nsISupports ** aResult)
{
nsIUnicodeEncoder *p = new nsUnicodeToSJIS();
if(p) {
*aResult = p;
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
//----------------------------------------------------------------------
// Subclassing of nsTableEncoderSupport class [implementation]
NS_IMETHODIMP nsUnicodeToSJIS::GetMaxLength(const PRUnichar * aSrc,
PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
*aDestLength = 2*aSrcLength;
return NS_OK;
}