mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-14 11:40:13 +01:00
119 lines
4.3 KiB
C++
119 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 Communicator client code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Intel Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Yueheng Xu <yuheng.xu@intel.com>
|
|
*
|
|
* 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 ***** */
|
|
// =======================================================================
|
|
// Original Author: Yueheng Xu
|
|
// email: yueheng.xu@intel.com
|
|
// phone: (503)264-2248
|
|
// Intel Corporation, Oregon, USA
|
|
// Last Update: September 7, 1999
|
|
// Revision History:
|
|
// 09/07/1999 - initial version. Based on exisiting nsGB2312ToUnicode.cpp. Removed
|
|
// dependecy on those shift/map tables. Now we only depend on gbku.h.
|
|
// 09/28/1999 - changed to use the same table and code as GBKToUnicode converter
|
|
// ======================================================================================
|
|
|
|
#if 0
|
|
#include "nsGB2312ToUnicodeV2.h"
|
|
#include "nsUCvCnDll.h"
|
|
#include "gbku.h"
|
|
//----------------------------------------------------------------------
|
|
// Class nsGB2312ToUnicodeV2 [implementation]
|
|
//----------------------------------------------------------------------
|
|
// Subclassing of nsTablesDecoderSupport class [implementation]
|
|
NS_IMETHODIMP nsGB2312ToUnicodeV2::GetMaxLength(const char * aSrc,
|
|
PRInt32 aSrcLength,
|
|
PRInt32 * aDestLength)
|
|
{
|
|
*aDestLength = aSrcLength;
|
|
return NS_OK;
|
|
}
|
|
NS_IMETHODIMP nsGB2312ToUnicodeV2::ConvertNoBuff(const char* aSrc,
|
|
PRInt32 * aSrcLength,
|
|
PRUnichar *aDest,
|
|
PRInt32 * aDestLength)
|
|
{
|
|
PRInt32 i=0;
|
|
PRInt32 iSrcLength = (*aSrcLength);
|
|
PRInt32 iDestlen = 0;
|
|
nsresult rv = NS_OK;
|
|
for (i=0;i<iSrcLength;i++)
|
|
{
|
|
if ( iDestlen >= (*aDestLength) )
|
|
{
|
|
rv = NS_OK_UDEC_MOREOUTPUT;
|
|
break;
|
|
}
|
|
if(UINT8_IN_RANGE(0xa1, *aSrc, 0xfe))
|
|
{
|
|
if(i+1 >= iSrcLength)
|
|
{
|
|
rv = NS_OK_UDEC_MOREINPUT;
|
|
break;
|
|
}
|
|
// To make sure, the second byte has to be checked as well
|
|
// The valid 2nd byte range: [0xA1,0xFE]
|
|
if(UINT8_IN_RANGE(0xa1, aSrc[1], 0xfe))
|
|
{
|
|
// Valid GB 2312 code point
|
|
*aDest = mUtil.GBKCharToUnicode(aSrc[0], aSrc[1]);
|
|
aSrc += 2;
|
|
i++;
|
|
} else {
|
|
// Invalid GB 2312 code point
|
|
*aDest = UCS2_NO_MAPPING;
|
|
aSrc++;
|
|
}
|
|
} else {
|
|
if(IS_ASCII(*aSrc))
|
|
{
|
|
// The source is an ASCII
|
|
*aDest = CAST_CHAR_TO_UNICHAR(*aSrc);
|
|
} else {
|
|
*aDest = UCS2_NO_MAPPING;
|
|
}
|
|
aSrc++;
|
|
}
|
|
iDestlen++;
|
|
aDest++;
|
|
*aSrcLength = i+1;
|
|
}
|
|
*aDestLength = iDestlen;
|
|
return rv;
|
|
}
|
|
#endif
|