// FunParser.h: interface for the FunParser class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FUNPARSER_H__E4C2201A_2B3B_46FE_AE7B_F3BE6EECA4DF__INCLUDED_)
#define AFX_FUNPARSER_H__E4C2201A_2B3B_46FE_AE7B_F3BE6EECA4DF__INCLUDED_

#include "FunToken.h"
#include "General.h"

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class FunParser  
{
public:
	FunParser();
	virtual ~FunParser();

	BOOL ParseHeader(CString &FunStream,CString &Error,CCptList *pCptList);
	BOOL ParseBody(CString &FunStream,CString &Error,CCptList *pCptList);

private:
	FunToken TokenObj;//object from tokenizer
	int OutputType; //-1->initial 1->number 2->date
	int BodyType; //-1->initial 1->number 2->date
	int MathBuiltFun; //flag show there is math function(abs,...) or not

	static int f;//flag initial value=-1
	//f(flag=>last state in finite state Machine)
	//0->'cpt.prop' 1->operator 2->'(' 3->')' 4->'fun' 5->'number or date'

	void Reset();
	BOOL Parse_CPT_PROP(CString &FunStream,CString &Cpt,CString &Prop,CString &Error);
	BOOL ParseBuilt(CString &FunStream,CString &Fun,CString &Error,CCptList *pCptList);

	BOOL ParseMath(CString &FunStream,CString &Error,CCptList *pCptList);
	BOOL ParseDate(CString &FunStream,CString &Error,CCptList *pCptList);
};

#endif // !defined(AFX_FUNPARSER_H__E4C2201A_2B3B_46FE_AE7B_F3BE6EECA4DF__INCLUDED_)