// ------------------------------- // // -------- Start of File -------- // // ------------------------------- // // ----------------------------------------------------------- // // C++ Source Code File Name: testprog.cpp // Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC // Produced By: glNET Software // File Creation Date: 02/04/1997 // Date Last Modified: 05/25/2001 // Copyright (c) 2001 glNET Software // ----------------------------------------------------------- // // ------------- Program Description and Details ------------- // // ----------------------------------------------------------- // /* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Demo of how to re-open a database file using the gxDatabase manager. */ // ----------------------------------------------------------- // #include <iostream.h> #include <string.h> #include "gxdbase.h" #include "gxdstats.h" #include "gxfloat.h" const int name_length = 16; class DatabaseObject { public: DatabaseObject() { name[0] = 0; oid = (gxINT32)0, cid = (gxFLOAT64)0; } DatabaseObject(const char *s, long i, double d); public: friend void *operator new(size_t n, char *s, int i, double d, gxDatabase *f) { void *ptr = new DatabaseObject(s, i, d); f->Write(ptr, n, f->Alloc(n)); return ptr; } public: // Platform independent data members char name[name_length]; // Fixed string type gxINT32 oid; // Integer type gxFLOAT64 cid; // Floating point type }; DatabaseObject::DatabaseObject(const char *s, long i, double d) { for(int j = 0; j < name_length; j++) name[j] = 0; // Clear the name string strcpy(name, s); oid = i; cid = d; } void PausePrg() { cout << endl; cout << "Press enter to continue..." << endl; cin.get(); } int main() { gxDatabase *f = new gxDatabase; const char *fname1 = "cat.gxd"; const char *fname2 = "dog.gxd"; const char *fname3 = "mouse.gxd"; cout << endl; cout << "Testing the gxDatabase::ReOpen() function." << endl; if(!gxDatabase::Exists(fname1)) f->Create(fname1); if(CheckError(f) != 0) return 1; if(!gxDatabase::Exists(fname2)) f->Create(fname2); if(CheckError(f) != 0) return 1; if(!gxDatabase::Exists(fname3)) f->Create(fname3); if(CheckError(f) != 0) return 1; // Variables for Part class objects int id = 17; double price = 42.97; cout << endl; cout << "Writing one object to: " << fname1 << endl; f->Open(fname1); if(CheckError(f) != 0) return 1; new("Cat", 0L, 2000.101, f) DatabaseObject; PausePrg(); DatabaseStats(f); PausePrg(); cout << "Writing two objects to: " << fname2 << endl; f->Open(fname2); if(CheckError(f) != 0) return 1; new("Cat", 0L, 2000.101, f) DatabaseObject; new("Dog", 0L, 2000.101, f) DatabaseObject; PausePrg(); DatabaseStats(f); PausePrg(); cout << "Writing three objects to: " << fname3 << endl; f->Open(fname3); if(CheckError(f) != 0) return 1; new("Cat", 0L, 2000.101, f) DatabaseObject; new("Dog", 0L, 2000.101, f) DatabaseObject; new("Mouse", 0L, 2000.101, f) DatabaseObject; PausePrg(); DatabaseStats(f); PausePrg(); cout << "Exiting..." << endl; f->Close(); if(CheckError(f) != 0) return 1; delete f; return 0; } // ----------------------------------------------------------- // // ------------------------------- // // --------- End of File --------- // // ------------------------------- //