middatafile.h

linux下一款GIS程序源码

// middatafile.h: interface for the MIDDATAFile class.
//
/*---------------------------------------------------------------------
 *                      class MIDDATAFile
 *
 * Class to handle a file pointer with a copy of the latest readed line
 *
 *--------------------------------------------------------------------*/
#ifndef  MIDDATAFile_H
#define  MIDDATAFile_H

#include "ugkglobal.h"

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

     int         Open(const char *pszFname, const char *pszAccess);
     int         Close();

	 const char *GetLine();
	 const char *GetLastLine();
	 int Rewind();
	 void SaveLine(const char *pszLine);
	 const char *GetSavedLine();
	 void WriteLine(const char*, ...);
	 UGKBool IsValidFeature(const char *pszString);

	 void SetTranslation(double, double, double, double);
	 double GetXTrans(double);
	 double GetYTrans(double);
	 double GetXMultiplier(){return m_dfXMultiplier;}
	 const char *GetDelimiter(){return m_pszDelimiter;}
	 void SetDelimiter(const char *pszDelimiter){m_pszDelimiter=pszDelimiter;}

	 void SetEof(UGKBool bEof);
	 UGKBool GetEof();

private:
	FILE *m_fp;
	const char *m_pszDelimiter;

#define MIDMAXCHAR 10000
	char m_szLastRead[MIDMAXCHAR];
	char m_szSavedLine[MIDMAXCHAR];

	char        *m_pszFname;
	TABAccess   m_eAccessMode;
	double      m_dfXMultiplier;
	double      m_dfYMultiplier;
	double      m_dfXDisplacement;
	double      m_dfYDisplacement;
	UGKBool       m_bEof;

};

#endif