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#ifndef nsGB2312Prober_h__
#define nsGB2312Prober_h__

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

// We use gb18030 to replace gb2312, because 18030 is a superset. 

class nsGB18030Prober: public nsCharSetProber {
public:
  nsGB18030Prober(PRBool aIsPreferredLanguage)
    :mIsPreferredLanguage(aIsPreferredLanguage)
  {mCodingSM = new nsCodingStateMachine(&GB18030SMModel);
    Reset();}
  virtual ~nsGB18030Prober(void){delete mCodingSM;}
  nsProbingState HandleData(const char* aBuf, PRUint32 aLen);
  const char* GetCharSetName() {return "gb18030";}
  nsProbingState GetState(void) {return mState;}
  void      Reset(void);
  float     GetConfidence(void);
  void      SetOpion() {}

protected:
  void      GetDistribution(PRUint32 aCharLen, const char* aStr);
  
  nsCodingStateMachine* mCodingSM;
  nsProbingState mState;

  //GB2312ContextAnalysis mContextAnalyser;
  GB2312DistributionAnalysis mDistributionAnalyser;
  char mLastChar[2];
  PRBool mIsPreferredLanguage;

};


#endif /* nsGB2312Prober_h__ */

