scaner.h

一个多线程

#ifndef __scaner_h__
#define __scaner_h__

#define WORD_UNKNOW 0

#define WORD_ENDOFLINE			0x01
#define WORD_ENDOFFILE			0x02
#define WORD_NOFILEOPENED		0x03

#define WORD_STRING				0x30
#define WORD_FLOAT				0x31
#define WORD_UINT				0x32

#define WORD_IDENTY				0x20
#define WORD_OPERATOR			0x21
#define WORD_COMPILE			0x22

#define WORD_LEFTSMLBRACKET		0x10
#define WORD_RIGHTSMLBRACKET	0x11
#define WORD_LEFTMIDBRACKET		0x12
#define WORD_RIGHTMIDBRACKET	0x13
#define WORD_LEFTGIBBRACKET		0x14
#define WORD_RIGHTBIGBRACKET	0x15
#define WORD_COMMA				0x16
#define WORD_COLON				0x17
#define WORD_SEMICOLON			0x18

#define MAXBUFFERLEN 2048
#define MAXWORDLEN 512

class AFX_EXT_CLASS CScanner  
{
private:
	int m_iLine;
	int m_iBufferLen;
	int m_iWordLen;
	int m_iBufferPointer;
	HANDLE hFile;
	char * m_csFileName;
	BYTE * m_pBuffer;
	BYTE * m_pWord;
	void Close();
	BOOL m_bClosed;
	LPSTR Read(DWORD & dwID);
	BYTE GetFirstChar();
	BYTE GetChar();
	void ClearWord(){m_iWordLen=0;m_pWord[m_iWordLen]='\0';};
	void BackChar(){m_iBufferPointer--;};
	void EndWord(){m_pWord[m_iWordLen]='\0';};
	void PutWord(BYTE btFirst){if(m_iWordLen<MAXWORDLEN-1)m_pWord[m_iWordLen++]=btFirst;};
	BOOL Open();
	CScanner * pSubScan;

public:
	CScanner(LPSTR lpFileName);
	virtual ~CScanner();
	LPSTR ReadWord(LPSTR & pName,DWORD & dwID,int & iline);
	BOOL OpenSubScan(char * szName);
};

#endif