nsHebrewProber.h

Go to the documentation of this file.

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*  -*- C++ -*-
*  Copyright (C) 1998 <developer@mozilla.org>
*
*
*  Permission is hereby granted, free of charge, to any person obtaining
*  a copy of this software and associated documentation files (the
*  "Software"), to deal in the Software without restriction, including
*  without limitation the rights to use, copy, modify, merge, publish,
*  distribute, sublicense, and/or sell copies of the Software, and to
*  permit persons to whom the Software is furnished to do so, subject to
*  the following conditions:
*
*  The above copyright notice and this permission notice shall be included 
*  in all copies or substantial portions of the Software.
*
*  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
*  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
*  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
*  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
*  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#ifndef nsHebrewProber_h__
#define nsHebrewProber_h__

#include "nsSBCharSetProber.h"
namespace kencodingprober {
// This prober doesn't actually recognize a language or a charset.
// It is a helper prober for the use of the Hebrew model probers
class KDE_NO_EXPORT nsHebrewProber: public nsCharSetProber
{
public:
  nsHebrewProber(void) :mLogicalProb(0), mVisualProb(0) { Reset(); }

  virtual ~nsHebrewProber(void) {}
  virtual nsProbingState HandleData(const char* aBuf, unsigned int aLen);
  virtual const char* GetCharSetName();
  virtual void Reset(void);

  virtual nsProbingState GetState(void);

  virtual float     GetConfidence(void) { return (float)0.0; }
  virtual void      SetOpion() {};

  void SetModelProbers(nsCharSetProber *logicalPrb, nsCharSetProber *visualPrb) 
  { mLogicalProb = logicalPrb; mVisualProb = visualPrb; }

#ifdef DEBUG_PROBE
  virtual void  DumpStatus();
#endif

protected:
  static bool isFinal(char c);
  static bool isNonFinal(char c);

  int mFinalCharLogicalScore, mFinalCharVisualScore;

  // The two last characters seen in the previous buffer.
  char mPrev, mBeforePrev;

  // These probers are owned by the group prober.
  nsCharSetProber *mLogicalProb, *mVisualProb;
};
}

#endif /* nsHebrewProber_h__ */