windows-server-2003/shell/ext/mlang/detcjpn.h

#include "codepage.h"
#define SCORE_NONE  0
#define SCORE_MINOR 1
#define SCORE_MAJOR 2

class CIncdJapanese : public CINetCodeDetector
{
private:
    long m_nScoreJis;
    long m_nScoreEuc;
    long m_nScoreSJis;
    DWORD m_nPreferredCp;

    enum {NONE, ISO_ESC, ISO_ESC_IN, ISO_ESC_OUT } m_nISOMode;
    enum {REGULAR, DOUBLEBYTE, KATAKANA} m_nEucMode, m_nJISMode ;
    BOOL m_fDoubleByteSJis;

public:
    CIncdJapanese(DWORD nCp = CP_JPN_SJ);
    ~CIncdJapanese() {}

protected:
    virtual BOOL CheckISOChar(UCHAR tc);
    virtual BOOL DetectChar(UCHAR tc);
    virtual BOOL CleanUp() {return FALSE;}
    virtual int GetDetectedCodeSet();
};