tprtree.cpp

此文件包含了在linux下实现tpr-tree索引的源代码

//--------------------------------------------------------------------
//      tprtree.cpp
//      -----------
//      Main module of the experimental testbed
//
//      TPR-tree - Index for continuously moving objects
//      July 2001 release, Aalborg University
//

#include <stdio.h>
#ifdef UNIX
#include <unistd.h>
#include <ctype.h>
#endif

#include "rtprofile.h"
#include "command.h"
#include "sgram.h"

ostream& outstr = cout;        // Redirecting the output to cout 
RTobserver obs;

void Register     (GiST* rt) { rt->RegisterObserver(&obs); obs.Reset(); }
void RefreshVisualiser()     { obs.Refresh();                           }
void Quit             ()     { exit(0);                                 }

char* GetCommandString (char* buf)
{
   if (numImports)          // Getting commands from import file  
   {
      *buf = '\x0';
      fgets(buf, 90, imports[numImports - 1]);
      if (feof(imports[numImports-1]))
      { 
         fclose(imports[--numImports]); 
         if (buf[strlen(buf)-1] == '\n') return GetCommandString(buf);
      }
      if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = '\x0';
      return buf;    
   }
   return gets(buf);       // Getting commands from command prompt
}

//====================================================================
int main()
{
   outstr << "** Experimental testbed for access methods for moving points"
          << endl
          << "   1999--2001, Aalborg University" 
          << endl << endl;
//    outstr << "Type \"help\" for a list of commands." << endl << endl;

    CommandPrompt();
    PROFILE_ACTION_BEGIN(profile_total);
    ParseCommands();
    return 0;
}