gecko-dev/intl/uconv/ucvja/nsUnicodeToEUCJP.cpp

88 lines
2.6 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 "nsUnicodeToEUCJP.h"
#include "nsUCVJADll.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
// Shift Table
static PRInt16 g0201ShiftTable[] = {
2, uMultibytesCharset,
ShiftCell(u1ByteChar, 1, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x7F),
ShiftCell(u1BytePrefix8EChar, 2, 0x8E, 0x8E, 0x00, 0xA1, 0x00, 0xDF)
};
static PRInt16 g0208ShiftTable[] = {
0, u2BytesGRCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
static PRInt16 g0212ShiftTable[] = {
0, u2BytesGRPrefix8FCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
static PRInt16 *gShiftTables[4] = {
g0208ShiftTable,
g0201ShiftTable,
g0201ShiftTable,
g0212ShiftTable
};
static PRUint16 *gMappingTables[4] = {
g_uf0208Mapping,
g_uf0201Mapping,
g_uf0201Mapping,
g_uf0212Mapping
};
//----------------------------------------------------------------------
// Class nsUnicodeToEUCJP [implementation]
nsUnicodeToEUCJP::nsUnicodeToEUCJP()
: nsMultiTableEncoderSupport(4,
(uShiftTable**) gShiftTables,
(uMappingTable**) gMappingTables)
{
}
nsresult nsUnicodeToEUCJP::CreateInstance(nsISupports ** aResult)
{
nsIUnicodeEncoder *p = new nsUnicodeToEUCJP();
if(p) {
*aResult = p;
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
//----------------------------------------------------------------------
// Subclassing of nsTableEncoderSupport class [implementation]
NS_IMETHODIMP nsUnicodeToEUCJP::GetMaxLength(const PRUnichar * aSrc,
PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
*aDestLength = 3*aSrcLength;
return NS_OK;
}