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120 lines
4.1 KiB
C++
120 lines
4.1 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Jungshik Shin <jshin@mailaps.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCP949ToUnicode.h"
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#include "nsUCvKODll.h"
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#include "nsUCConstructors.h"
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//----------------------------------------------------------------------
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// Global functions and data [declaration]
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static const PRUint16 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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// This is necessary to decode 8byte sequence representation of Hangul
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// syllables. This representation is uniq to EUC-KR and is not used
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// in CP949. However, this converter is for both EUC-KR and CP949
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// so that this shift table is put here. See bug 131388.
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static const PRUint16 g_DecomposedHangulShiftTable[] = {
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0, uDecomposedHangulCharset,
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ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
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};
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static const PRUint16 g_EUCKRShiftTable[] = {
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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 const PRUint16 g_CP949HighShiftTable[] = {
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0, u2BytesGR128Charset,
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ShiftCell(0, 0, 0, 0, 0, 0, 0, 0)
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};
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static const PRUint16 g_CP949LowShiftTable[] = {
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0, u2BytesCharset,
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ShiftCell(0, 0, 0, 0, 0, 0, 0, 0)
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};
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// CP949(non-EUC-KR portion) to Unicode
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static const PRUint16 g_utCP949NoKSCHangulMapping[] = {
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#include "u20cp949hangul.ut"
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};
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static const uRange g_CP949Ranges[] = {
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{ 0x00, 0x7E },
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{ 0xA4, 0xA4 }, // 8byte seq. for Hangul syllables not available
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// in pre-composed form in KS X 1001
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{ 0xA1, 0xFE },
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{ 0xA1, 0xC6 }, // CP949 extension B. ends at 0xC6.
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{ 0x80, 0xA0 }
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};
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static const PRUint16 *g_CP949ShiftTableSet [] = {
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g_ASCIIShiftTable,
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g_DecomposedHangulShiftTable,
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g_EUCKRShiftTable,
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g_CP949HighShiftTable,
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g_CP949LowShiftTable
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};
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static const PRUint16 *g_CP949MappingTableSet [] ={
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g_ucvko_AsciiMapping,
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g_HangulNullMapping,
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g_utKSC5601Mapping,
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g_utCP949NoKSCHangulMapping,
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g_utCP949NoKSCHangulMapping
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//g_CP949HighMapping,
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//g_CP949LowMapping
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};
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NS_METHOD
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nsCP949ToUnicodeConstructor(nsISupports *aOuter, REFNSIID aIID,
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void **aResult)
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{
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return CreateMultiTableDecoder(sizeof(g_CP949Ranges) / sizeof(g_CP949Ranges[0]),
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(const uRange*) &g_CP949Ranges,
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(uShiftTable**) &g_CP949ShiftTableSet,
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(uMappingTable**) &g_CP949MappingTableSet, 1,
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aOuter, aIID, aResult);
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}
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