pjs/intl/uconv/ucvtw2/nsEUCTWToUnicode.cpp

123 строки
3.3 KiB
C++
Исходник Обычный вид История

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
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*
* 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.
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*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
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*/
#include "nsEUCTWToUnicode.h"
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#include "nsUCvTW2Dll.h"
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//----------------------------------------------------------------------
// Global functions and data [declaration]
static PRInt16 g_ASCIIShiftTable[] = {
0, u1ByteCharset,
ShiftCell(0,0,0,0,0,0,0,0)
};
static PRInt16 g_CNS1ShiftTable[] = {
0, u2BytesGRCharset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS2ShiftTable[] = {
0, u2BytesGRPrefix8EA2Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
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static PRInt16 g_CNS3ShiftTable[] = {
0, u2BytesGRPrefix8EA3Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS4ShiftTable[] = {
0, u2BytesGRPrefix8EA4Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS5ShiftTable[] = {
0, u2BytesGRPrefix8EA5Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS6ShiftTable[] = {
0, u2BytesGRPrefix8EA6Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
static PRInt16 g_CNS7ShiftTable[] = {
0, u2BytesGRPrefix8EA7Charset,
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
};
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static PRInt16 *g_EUCTWShiftTableSet [] = {
g_ASCIIShiftTable,
g_CNS1ShiftTable,
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g_CNS2ShiftTable,
g_CNS3ShiftTable,
g_CNS4ShiftTable,
g_CNS5ShiftTable,
g_CNS6ShiftTable,
g_CNS7ShiftTable
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};
static PRUint16 *g_EUCTWMappingTableSet [] ={
g_ASCIIMappingTable,
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g_utCNS1MappingTable,
g_utCNS2MappingTable,
g_utCNS3MappingTable,
g_utCNS4MappingTable,
g_utCNS5MappingTable,
g_utCNS6MappingTable,
g_utCNS7MappingTable
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};
static uRange g_EUCTWRanges[] = {
{ 0x00, 0x7E },
{ 0xA1, 0xFE },
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{ 0x8E, 0x8E },
{ 0x8E, 0x8E },
{ 0x8E, 0x8E },
{ 0x8E, 0x8E },
{ 0x8E, 0x8E },
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{ 0x8E, 0x8E }
};
//----------------------------------------------------------------------
// Class nsEUCTWToUnicode [implementation]
nsEUCTWToUnicode::nsEUCTWToUnicode()
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: nsMultiTableDecoderSupport(8,
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(uRange*) &g_EUCTWRanges,
(uShiftTable**) &g_EUCTWShiftTableSet,
(uMappingTable**) &g_EUCTWMappingTableSet)
{
}
//----------------------------------------------------------------------
// Subclassing of nsTablesDecoderSupport class [implementation]
NS_IMETHODIMP nsEUCTWToUnicode::GetMaxLength(const char * aSrc,
PRInt32 aSrcLength,
PRInt32 * aDestLength)
{
// we are a single byte to Unicode converter, so...
*aDestLength = aSrcLength;
return NS_OK_UDEC_EXACTLENGTH;
}