File Coverage

src/nsSJISProber.h

Criterion	Covered	Total	%
statement	2	4	50.0
branch			n/a
condition			n/a
subroutine			n/a
pod			n/a
total	2	4	50.0

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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  * either 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
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 * ***** END LICENSE BLOCK ***** */

// for S-JIS encoding, obeserve characteristic:
// 1, kana character (or hankaku?) often have hight frequency of appereance
// 2, kana character often exist in group
// 3, certain combination of kana is never used in japanese language

#ifndef nsSJISProber_h__
#define nsSJISProber_h__

#include "nsCharSetProber.h"
#include "nsCodingStateMachine.h"
#include "JpCntx.h"
#include "CharDistribution.h"


class nsSJISProber: public nsCharSetProber {
public:
  nsSJISProber(void){mCodingSM = new nsCodingStateMachine(&SJISSMModel);
                      Reset();};
  virtual ~nsSJISProber(void){delete mCodingSM;};
  nsProbingState HandleData(const char* aBuf, PRUint32 aLen);
  const char* GetCharSetName() {return "Shift_JIS";};
  nsProbingState GetState(void) {return mState;};
  void      Reset(void);
  float     GetConfidence(void);
  void      SetOpion() {};

protected:
  nsCodingStateMachine* mCodingSM;
  nsProbingState mState;

  SJISContextAnalysis mContextAnalyser;
  SJISDistributionAnalysis mDistributionAnalyser;

  char mLastChar[2];

};


#endif /* nsSJISProber_h__ */