pjs/intl/uconv/ucvko/nsCP949ToUnicode.cpp

120 строки
4.1 KiB
C++

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jungshik Shin <jshin@mailaps.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCP949ToUnicode.h"
#include "nsUCvKODll.h"
#include "nsUCConstructors.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static const PRUint16 g_ASCIIShiftTable[] = {
0, u1ByteCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
// This is necessary to decode 8byte sequence representation of Hangul
// syllables. This representation is uniq to EUC-KR and is not used
// in CP949. However, this conveter is for both EUC-KR and CP949
// so that this shift table is put here. See bug 131388.
static const PRUint16 g_DecomposedHangulShiftTable[] = {
0, uDecomposedHangulCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static const PRUint16 g_EUCKRShiftTable[] = {
0, u2BytesGRCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0)
};
static const PRUint16 g_CP949HighShiftTable[] = {
0, u2BytesGR128Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0)
};
static const PRUint16 g_CP949LowShiftTable[] = {
0, u2BytesCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0)
};
// CP949(non-EUC-KR portion) to Unicode
static const PRUint16 g_utCP949NoKSCHangulMapping[] = {
#include "u20cp949hangul.ut"
};
static const uRange g_CP949Ranges[] = {
{ 0x00, 0x7E },
{ 0xA4, 0xA4 }, // 8byte seq. for Hangul syllables not available
// in pre-composed form in KS X 1001
{ 0xA1, 0xFE },
{ 0xA1, 0xC6 }, // CP949 extension B. ends at 0xC6.
{ 0x80, 0xA0 }
};
static const PRUint16 *g_CP949ShiftTableSet [] = {
g_ASCIIShiftTable,
g_DecomposedHangulShiftTable,
g_EUCKRShiftTable,
g_CP949HighShiftTable,
g_CP949LowShiftTable
};
static const PRUint16 *g_CP949MappingTableSet [] ={
g_ucvko_AsciiMapping,
g_HangulNullMapping,
g_utKSC5601Mapping,
g_utCP949NoKSCHangulMapping,
g_utCP949NoKSCHangulMapping
//g_CP949HighMapping,
//g_CP949LowMapping
};
NS_METHOD
nsCP949ToUnicodeConstructor(nsISupports *aOuter, REFNSIID aIID,
void **aResult)
{
return CreateMultiTableDecoder(sizeof(g_CP949Ranges) / sizeof(g_CP949Ranges[0]),
(const uRange*) &g_CP949Ranges,
(uShiftTable**) &g_CP949ShiftTableSet,
(uMappingTable**) &g_CP949MappingTableSet, 1,
aOuter, aIID, aResult);
}