зеркало из https://github.com/mozilla/pjs.git
120 строки
4.3 KiB
C++
120 строки
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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 Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Intel Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Contributor(s): Yueheng Xu <yuheng.xu@intel.com>
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*
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// =======================================================================
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// Original Author: Yueheng Xu
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// email: yueheng.xu@intel.com
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// phone: (503)264-2248
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// Intel Corporation, Oregon, USA
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// Last Update: September 7, 1999
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// Revision History:
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// 09/07/1999 - initial version. Based on exisiting nsGB2312ToUnicode.cpp. Removed
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// dependecy on those shift/map tables. Now we only depend on gbku.h.
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// 09/28/1999 - changed to use the same table and code as GBKToUnicode converter
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// ======================================================================================
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#if 0
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#include "nsGB2312ToUnicodeV2.h"
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#include "nsUCvCnDll.h"
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#include "gbku.h"
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//----------------------------------------------------------------------
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// Class nsGB2312ToUnicodeV2 [implementation]
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//----------------------------------------------------------------------
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// Subclassing of nsTablesDecoderSupport class [implementation]
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NS_IMETHODIMP nsGB2312ToUnicodeV2::GetMaxLength(const char * aSrc,
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PRInt32 aSrcLength,
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PRInt32 * aDestLength)
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{
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*aDestLength = aSrcLength;
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return NS_OK;
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}
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NS_IMETHODIMP nsGB2312ToUnicodeV2::ConvertNoBuff(const char* aSrc,
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PRInt32 * aSrcLength,
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PRUnichar *aDest,
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PRInt32 * aDestLength)
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{
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PRInt32 i=0;
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PRInt32 iSrcLength = (*aSrcLength);
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PRInt32 iDestlen = 0;
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nsresult rv = NS_OK;
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for (i=0;i<iSrcLength;i++)
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{
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if ( iDestlen >= (*aDestLength) )
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{
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rv = NS_OK_UDEC_MOREOUTPUT;
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break;
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}
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if(UINT8_IN_RANGE(0xa1, *aSrc, 0xfe))
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{
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if(i+1 >= iSrcLength)
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{
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rv = NS_OK_UDEC_MOREINPUT;
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break;
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}
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// To make sure, the second byte has to be checked as well
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// The valid 2nd byte range: [0xA1,0xFE]
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if(UINT8_IN_RANGE(0xa1, aSrc[1], 0xfe))
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{
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// Valid GB 2312 code point
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*aDest = mUtil.GBKCharToUnicode(aSrc[0], aSrc[1]);
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aSrc += 2;
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i++;
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} else {
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// Invalid GB 2312 code point
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*aDest = UCS2_NO_MAPPING;
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aSrc++;
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}
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} else {
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if(IS_ASCII(*aSrc))
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{
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// The source is an ASCII
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*aDest = CAST_CHAR_TO_UNICHAR(*aSrc);
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} else {
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*aDest = UCS2_NO_MAPPING;
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}
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aSrc++;
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}
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iDestlen++;
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aDest++;
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*aSrcLength = i+1;
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}
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*aDestLength = iDestlen;
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return rv;
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}
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#endif
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