tabidfile.h

linux下一款GIS程序源码

// tabidfile.h: interface for the TABIDFile class.
//

/*---------------------------------------------------------------------
 *                      class TABIDFile
 *
 * Class to handle Read/Write operation on .ID files... the .ID file
 * contains an index to the objects in the .MAP file by object id.
 *--------------------------------------------------------------------*/

#ifndef  TABIDFile_H
#define  TABIDFile_H

#include "ugkglobal.h"
#include "tabrawbinblock.h"

class TABIDFile  
{
private:
    char        *m_pszFname; //文件名
    FILE        *m_fp;       
    TABAccess   m_eAccessMode; //访问权限

    TABRawBinBlock *m_poIDBlock;  //二进制块
    int         m_nBlockSize;
    UGKInt32      m_nMaxId;

public:
	TABIDFile();
	virtual ~TABIDFile();

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

    UGKInt32      GetObjPtr(UGKInt32 nObjId);
    int         SetObjPtr(UGKInt32 nObjId, UGKInt32 nObjPtr);
    UGKInt32      GetMaxObjId();


    void Dump(FILE *fpOut = NULL);

};

#endif