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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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 * Version: MPL 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 Mozilla Public License Version
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 * 1.1 (the "License"); you may not use this file except in compliance with
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 * the License. You may obtain a copy of the License at
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 * http://www.mozilla.org/MPL/
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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.org code.
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 *
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 * The Initial Developer of the Original Code is
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 * Netscape Communications Corporation.
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 * Portions created by the Initial Developer are Copyright (C) 1998
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 * the Initial Developer. All Rights Reserved.
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 *
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 * Contributor(s):
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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 MPL, 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 MPL, the GPL or the LGPL.
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 *
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 * ***** END LICENSE BLOCK ***** */
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#ifndef nsBig5Prober_h__
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#define nsBig5Prober_h__
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#include "nsCharSetProber.h"
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#include "nsCodingStateMachine.h"
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#include "CharDistribution.h"
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class nsBig5Prober: public nsCharSetProber {
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public:
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  nsBig5Prober(PRBool aIsPreferredLanguage)
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    :mIsPreferredLanguage(aIsPreferredLanguage) 
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  {mCodingSM = new nsCodingStateMachine(&Big5SMModel); 
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    Reset();}
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  virtual ~nsBig5Prober(void){delete mCodingSM;}
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  nsProbingState HandleData(const char* aBuf, PRUint32 aLen);
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  const char* GetCharSetName() {return "Big5";}
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  nsProbingState GetState(void) {return mState;}
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  void      Reset(void);
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  float     GetConfidence(void);
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  void      SetOpion() {}
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protected:
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  void      GetDistribution(PRUint32 aCharLen, const char* aStr);
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  nsCodingStateMachine* mCodingSM;
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  nsProbingState mState;
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  //Big5ContextAnalysis mContextAnalyser;
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  Big5DistributionAnalysis mDistributionAnalyser;
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  char mLastChar[2];
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  PRBool mIsPreferredLanguage;
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};
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#endif /* nsBig5Prober_h__ */