intl/uconv/ucvko/nsCP949ToUnicode.cpp

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Jungshik Shin <jshin@mailaps.org>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either of the GNU General Public License Version 2 or later (the "GPL"),
  27  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #include "nsCP949ToUnicode.h"
  40 #include "nsUCvKODll.h"
  41 #include "nsUCConstructors.h"
  42
  43 //----------------------------------------------------------------------
  44 // Global functions and data [declaration]
  45
  46 static const uScanClassID g_CP949ScanClassIDs[] = {
  47   u1ByteCharset,
  48 // This is necessary to decode 8byte sequence representation of Hangul
  49 // syllables. This representation is uniq to EUC-KR and is not used
  50 // in CP949. However, this converter is for both EUC-KR and CP949
  51 // so that this class ID is put here. See bug 131388.
  52   uDecomposedHangulCharset,
  53   u2BytesGRCharset,       // EUC_KR
  54   u2BytesGR128Charset,    // CP949 High
  55   u2BytesCharset          // CP949 Low
  56 };
  57
  58 // CP949(non-EUC-KR portion) to Unicode
  59 static const PRUint16 g_utCP949NoKSCHangulMapping[] = {
  60 #include "u20cp949hangul.ut"
  61 };
  62
  63 static const uRange g_CP949Ranges[] = {
  64   { 0x00, 0x7E },
  65   { 0xA4, 0xA4 },   // 8byte seq. for Hangul syllables not available
  66                     // in pre-composed form in KS X 1001
  67   { 0xA1, 0xFE },
  68   { 0xA1, 0xC6 },   // CP949 extension B. ends at 0xC6.
  69   { 0x80, 0xA0 }
  70 };
  71
  72 static const PRUint16 *g_CP949MappingTableSet [] ={
  73   g_ucvko_AsciiMapping,
  74   g_HangulNullMapping,
  75   g_utKSC5601Mapping,
  76   g_utCP949NoKSCHangulMapping,
  77   g_utCP949NoKSCHangulMapping
  78 //g_CP949HighMapping,
  79 //g_CP949LowMapping
  80 };
  81
  82
  83 NS_METHOD
  84 nsCP949ToUnicodeConstructor(nsISupports *aOuter, REFNSIID aIID,
  85                             void **aResult)
  86 {
  87   return CreateMultiTableDecoder(sizeof(g_CP949Ranges) / sizeof(g_CP949Ranges[0]),
  88                                  (const uRange*) &g_CP949Ranges,
  89                                  (uScanClassID*) &g_CP949ScanClassIDs,
  90                                  (uMappingTable**) &g_CP949MappingTableSet, 1,
  91                                  aOuter, aIID, aResult);
  92 }
  93