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nsEUCTWToUnicode.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "nsEUCTWToUnicode.h"
00039 #include "nsUCvTW2Dll.h"
00040 #include "nsUCConstructors.h"
00041 
00042 //----------------------------------------------------------------------
00043 // Global functions and data [declaration]
00044 
00045 
00046 static const PRInt16 g_ASCIIShiftTable[] =  {
00047   0, u1ByteCharset,
00048   ShiftCell(0,0,0,0,0,0,0,0)
00049 };
00050 
00051 static const PRInt16 g_CNS1ShiftTable[] =  {
00052   0, u2BytesGRCharset,  
00053   ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
00054 };
00055 
00056 
00057 static const PRInt16 g_CNS2ShiftTable[] =  {
00058   0, u2BytesGRPrefix8EA2Charset,  
00059   ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
00060 };
00061 static const PRInt16 g_CNS3ShiftTable[] =  {
00062   0, u2BytesGRPrefix8EA3Charset,  
00063   ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
00064 };
00065 static const PRInt16 g_CNS4ShiftTable[] =  {
00066   0, u2BytesGRPrefix8EA4Charset,  
00067   ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
00068 };
00069 static const PRInt16 g_CNS5ShiftTable[] =  {
00070   0, u2BytesGRPrefix8EA5Charset,  
00071   ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
00072 };
00073 static const PRInt16 g_CNS6ShiftTable[] =  {
00074   0, u2BytesGRPrefix8EA6Charset,  
00075   ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
00076 };
00077 static const PRInt16 g_CNS7ShiftTable[] =  {
00078   0, u2BytesGRPrefix8EA7Charset,  
00079   ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
00080 };
00081 
00082 
00083 static const PRInt16 *g_EUCTWShiftTableSet [] = {
00084   g_ASCIIShiftTable,
00085   g_CNS1ShiftTable,
00086   g_CNS2ShiftTable,
00087   g_CNS3ShiftTable,
00088   g_CNS4ShiftTable,
00089   g_CNS5ShiftTable,
00090   g_CNS6ShiftTable,
00091   g_CNS7ShiftTable
00092 };
00093 
00094 static const PRUint16 *g_EUCTWMappingTableSet [] ={
00095   g_ASCIIMappingTable,
00096   g_utCNS1MappingTable,
00097   g_utCNS2MappingTable,
00098   g_utCNS3MappingTable,
00099   g_utCNS4MappingTable,
00100   g_utCNS5MappingTable,
00101   g_utCNS6MappingTable,
00102   g_utCNS7MappingTable
00103 };
00104 
00105 static const uRange g_EUCTWRanges[] = {
00106   { 0x00, 0x7E },
00107   { 0xA1, 0xFE },
00108   { 0x8E, 0x8E },
00109   { 0x8E, 0x8E },
00110   { 0x8E, 0x8E },
00111   { 0x8E, 0x8E },
00112   { 0x8E, 0x8E },
00113   { 0x8E, 0x8E }
00114 };
00115 
00116 
00117 //----------------------------------------------------------------------
00118 // Class nsEUCTWToUnicode [implementation]
00119 
00120 NS_METHOD
00121 nsEUCTWToUnicodeConstructor(nsISupports *aOuter, REFNSIID aIID,
00122                                 void **aResult)
00123 {
00124   return CreateMultiTableDecoder(8, 
00125                                  (const uRange*) &g_EUCTWRanges, 
00126                                  (uShiftTable**) &g_EUCTWShiftTableSet, 
00127                                  (uMappingTable**) &g_EUCTWMappingTableSet,
00128                                  1, aOuter, aIID, aResult);
00129 }