//ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
//	FILE	: Parser.h
//	AUTHOR	: Catalin Cocos
//__________________________________________________________________________________________________

#ifndef __PARSER__
#define __PARSER__

//__________________________________________________________________________________________________
//	defines
//ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
//#define DWORD unsigned long

#define CTP_TEXT			0x00		// fixed value, do not alter
#define CTP_SEPARATOR		0x01
#define CTP_NEWLINE			0x02
#define CTP_COMMENT			0x04
#define CTP_LINE_COMMENT	0x08
#define CTP_EOF				0x10
#define CTP_WORD_WRAPPER	0x20
#define CTP_USER_CODE		0x40

#define CTP_MAX_USER_CODE	26
#define CTP_UserCode(X) ( CTP_USER_CODE << X )

//__________________________________________________________________________________________________
//	the parser
//ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
class CTextParser
{
	unsigned char* m_arFile, * m_pFileEnd, *m_pWord, *m_pCrt, *m_pCountStart;
	DWORD m_nCode, m_nCountCode;
	DWORD m_arCode[ 256 ];
	unsigned m_uLine;
	int GetUC();
public:
	DWORD Position() { return m_pCrt - m_arFile; }
	int GetCodeCount( DWORD Code);
	DWORD	Code() { return m_nCode; }
	unsigned Line() { return m_uLine; }
	CTextParser();
	~CTextParser();
	void	SetType( char*, int);
	void	ResetDefaults();
	BOOL	AccessFile( char* );
	void	ReleaseFile();
	DWORD	Advance(  DWORD *res = NULL );
	char*	AllocWord();
	char*	Word();
};

//ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
//	DESC.	: word obtaining
//	AUTHOR	: Catalin Cocos
//__________________________________________________________________________________________________

inline char* CTextParser::Word() { return (char*)m_pWord; }

//ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
//	DESC.	: word copying (allocation uses new)
//	AUTHOR	: Catalin Cocos
//__________________________________________________________________________________________________

inline char* CTextParser::AllocWord() {	return strcpy (new char[strlen((char*)m_pWord)+1], (char*)m_pWord); }

//ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
//	DESC.	: character read
//	AUTHOR	: Catalin Cocos
//__________________________________________________________________________________________________
inline int CTextParser::GetUC()
{
	if(m_pCrt<m_pFileEnd) return m_arCode[*m_pCrt++];
	else return CTP_EOF;	//end of file reached
}


#endif