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#ifndef __PARSER_H

#define __PARSER_H

class CFileStreamParser;

class CTextStreamParser;

class CParser

{

friend class CFileStreamParser;

friend class CTextStreamParser;

public:

 CParser();

 ~CParser();

 virtual char GetChar();

 void Init();

 void SkipWhite();

 int Match(char c);

 unsigned long GetNum();

 int GetToken(char * tokbuf,int maxlen);

 inline bool isEOF() { return IsEOF; }

 char Look;

private:

 bool IsEOF;

 unsigned long __GetNum();

 unsigned long __GetHexNum();

 unsigned long __GetOctNum();

};

class CFileStreamParser: public CParser

{

public:

 CFileStreamParser(FILE *);

 ~CFileStreamParser();

 virtual char GetChar();

private:

 FILE * f;

};

class CTextStreamParser: public CParser

{

public:

 CTextStreamParser(char * Stm,int stm_size);

 ~CTextStreamParser();

 virtual char GetChar();

private:

 char * __Stm;

 int __Size;

 int __Pos;

};

#endif