File indexing completed on 2024-12-22 04:33:42

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 // for S-JIS encoding, observed characteristic:
 // 1, kana character (or hankaku?) often have hight frequency of appearance
 // 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, nsCharSetProberHelper {
 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;
 };
 
 
 #endif /* nsSJISProber_h__ */