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101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsEUCTWToUnicode.h"
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//----------------------------------------------------------------------
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// Global functions and data [declaration]
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static PRUint16 g_ASCIIMappingTable[] = {
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0x0001, 0x0004, 0x0005, 0x0008, 0x0000, 0x0000, 0x007F, 0x0000
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};
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static PRUint16 g_CNS1MappingTable[] = {
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#include "cns_1.ut"
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};
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static PRUint16 g_CNS2MappingTable[] = {
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#include "cns_2.ut"
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};
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static PRInt16 g_ASCIIShiftTable[] = {
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0, u1ByteCharset,
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ShiftCell(0,0,0,0,0,0,0,0)
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};
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static PRInt16 g_CNS1ShiftTable[] = {
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0, u2BytesGRCharset,
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ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
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};
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static PRInt16 g_CNS2ShiftTable[] = {
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0, u2BytesGRPrefix8EA2Charset,
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ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
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};
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static PRInt16 *g_EUCTWShiftTableSet [] = {
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g_ASCIIShiftTable,
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g_CNS1ShiftTable,
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g_CNS2ShiftTable
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};
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static PRUint16 *g_EUCTWMappingTableSet [] ={
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g_ASCIIMappingTable,
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g_CNS1MappingTable,
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g_CNS2MappingTable
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};
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static uRange g_EUCTWRanges[] = {
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{ 0x00, 0x7E },
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{ 0xA1, 0xFE },
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{ 0x8E, 0x8E }
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};
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//----------------------------------------------------------------------
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// Class nsEUCTWToUnicode [implementation]
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nsEUCTWToUnicode::nsEUCTWToUnicode()
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: nsMultiTableDecoderSupport(3,
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(uRange*) &g_EUCTWRanges,
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(uShiftTable**) &g_EUCTWShiftTableSet,
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(uMappingTable**) &g_EUCTWMappingTableSet)
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{
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}
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nsresult nsEUCTWToUnicode::CreateInstance(nsISupports ** aResult)
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{
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*aResult = new nsEUCTWToUnicode();
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return (*aResult == NULL)? NS_ERROR_OUT_OF_MEMORY : NS_OK;
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}
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//----------------------------------------------------------------------
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// Subclassing of nsTablesDecoderSupport class [implementation]
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NS_IMETHODIMP nsEUCTWToUnicode::GetMaxLength(const char * aSrc,
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PRInt32 aSrcLength,
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PRInt32 * aDestLength)
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{
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// we are a single byte to Unicode converter, so...
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*aDestLength = aSrcLength;
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return NS_OK_UDEC_EXACTLENGTH;
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}
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