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0001 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
0002 /* ***** BEGIN LICENSE BLOCK *****
0003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
0004  *
0005  * The contents of this file are subject to the Mozilla Public License Version
0006  * 1.1 (the "License"); you may not use this file except in compliance with
0007  * the License. You may obtain a copy of the License at
0008  * http://www.mozilla.org/MPL/
0009  *
0010  * Software distributed under the License is distributed on an "AS IS" basis,
0011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
0012  * for the specific language governing rights and limitations under the
0013  * License.
0014  *
0015  * The Original Code is mozilla.org code.
0016  *
0017  * The Initial Developer of the Original Code is
0018  * Netscape Communications Corporation.
0019  * Portions created by the Initial Developer are Copyright (C) 1998
0020  * the Initial Developer. All Rights Reserved.
0021  *
0022  * Contributor(s):
0023  *
0024  * Alternatively, the contents of this file may be used under the terms of
0025  * either the GNU General Public License Version 2 or later (the "GPL"), or
0026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
0027  * in which case the provisions of the GPL or the LGPL are applicable instead
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0035  *
0036  * ***** END LICENSE BLOCK ***** */
0037 
0038 #ifndef nsGB2312Prober_h__
0039 #define nsGB2312Prober_h__
0040 
0041 #include "nsCharSetProber.h"
0042 #include "nsCodingStateMachine.h"
0043 #include "CharDistribution.h"
0044 
0045 // We use gb18030 to replace gb2312, because 18030 is a superset. 
0046 
0047 class nsGB18030Prober: public nsCharSetProber, nsCharSetProberHelper {
0048 public:
0049   nsGB18030Prober(void){mCodingSM = new nsCodingStateMachine(&GB18030SMModel);
0050                       Reset();};
0051   virtual ~nsGB18030Prober(void){delete mCodingSM;};
0052   nsProbingState HandleData(const char* aBuf, PRUint32 aLen);
0053   const char* GetCharSetName() {return "gb18030";};
0054   nsProbingState GetState(void) {return mState;};
0055   void      Reset(void);
0056   float     GetConfidence(void);
0057   void      SetOpion() {}
0058 
0059 protected:
0060   void      GetDistribution(PRUint32 aCharLen, const char* aStr);
0061   
0062   nsCodingStateMachine* mCodingSM;
0063   nsProbingState mState;
0064 
0065   //GB2312ContextAnalysis mContextAnalyser;
0066   GB2312DistributionAnalysis mDistributionAnalyser;
0067 };
0068 
0069 
0070 #endif /* nsGB2312Prober_h__ */
0071