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/* $Id: sample3.cpp,v 1.6 2000/09/27 17:25:08 dbryson Exp $
Xbase project source code
This sample program reads the database created and updated by the sample1
and sample2 program
This program demonstrates the use of the following functions/methods
OpenDatabase, GetFieldNo, GetRecord, GetLastRecord, GetFirstRecord,
GetNextRecord, GetPrevRecord, NoOfRecords and CloseDatabase, FieldCount
Copyright (C) 1997 StarTech, Gary A. Kunkel
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Mail:
Technology Associates, Inc.
XBase Project
1455 Deming Way #11
Sparks, NV 89434
USA
Email:
xbase@techass.com
Website:
xdb.sourceforge.net
V 1.0 10/10/97 - Initial release of software
V 1.5 1/2/98 - Added memo field support
V 1.6a 5/1/98 - Added expression support
V 1.7.4c 10/26/98 - Added some memo field logic
V 1.8 11/29/98 - Version 1.8 upgrade
*/
#include <xbase/xbase.h>
/* set the stack large for dos compiles */
#ifdef __XBDOS
#include <cstdio>
extern unsigned _stklen = 100000;
#endif
int main()
{
char buf[40];
xbShort rc,i;
xbShort lname, fname, birthdate, amount, sw, f1, memo;
xbULong recs;
char *p;
xbFloat f;
xbXBase x;
xbDbf MyFile( &x );
MyFile.OpenDatabase( "MYFILE.DBF" );
lname = MyFile.GetFieldNo( "LASTNAME" );
fname = MyFile.GetFieldNo( "FIRSTNAME" );
birthdate = MyFile.GetFieldNo( "BIRTHDATE" );
amount = MyFile.GetFieldNo( "AMOUNT" );
sw = MyFile.GetFieldNo( "SWITCH" );
f1 = MyFile.GetFieldNo( "FLOAT1" );
memo = MyFile.GetFieldNo( "MEMO1" );
std::cout << "\nThere are " << MyFile.FieldCount() << " fields in the file";
recs = MyFile.NoOfRecords();
std::cout << "There are " << recs << " records in the file." << std::endl;
std::cout << "\nLASTNAME is type: " << MyFile.GetFieldType( lname )
<< " length: " << MyFile.GetFieldLen( lname );
std::cout << "\nFIRSTNAME is type: " << MyFile.GetFieldType( fname )
<< " length: " << MyFile.GetFieldLen( fname );
std::cout << "\nBIRTHDATE is type: " << MyFile.GetFieldType( birthdate )
<< " length: " << MyFile.GetFieldLen( birthdate );
std::cout << "\nAMOUNT is type: " << MyFile.GetFieldType( amount )
<< " length: " << MyFile.GetFieldLen( amount );
std::cout << "\nSWITCH is type: " << MyFile.GetFieldType( sw )
<< " length: " << MyFile.GetFieldLen( sw ) << "\n\n";
std::cout << "Sample GetRecord" << std::endl;
MyFile.GetRecord( 1L );
MyFile.GetField( lname, buf );
std::cout << "Name 1 = " << buf << std::endl;
std::cout << "Name 1 = " << MyFile.GetStringField( lname ) << std::endl;
f = MyFile.GetFloatField( f1 );
std::cout << "FLOAT1 = " << f << std::endl;
f = MyFile.GetFloatField( "FLOAT2" );
std::cout << "FLOAT2 = " << f << std::endl;
std::cout << "Sample GetRecordBuf" << std::endl;
p = MyFile.GetRecordBuf(); /* pointer to record buffer */
for( i = 0; i < 49; i++ ) std::cout << *p++; /* display the buffer */
std::cout << "\n\nLoop through forwards..." << std::endl;
rc = MyFile.GetFirstRecord();
while( rc == XB_NO_ERROR )
{
MyFile.GetField( lname, buf );
std::cout << MyFile.GetCurRecNo();
std::cout << " Name = " << buf << std::endl;
rc = MyFile.GetNextRecord();
#ifdef XB_MEMO_FIELDS
if( MyFile.MemoFieldExists( memo ))
std::cout << "Memo field MEMO1 len = " << MyFile.GetMemoFieldLen(memo) << std::endl;
#endif
}
std::cout << "\n\nSample PutRecord" << std::endl << std::endl;
MyFile.PutField( lname, "Stantonbob" );
MyFile.PutField( lname, "Sally" );
MyFile.PutRecord( MyFile.GetCurRecNo() );
std::cout << "\nLoop through backwards.." << std::endl;
rc = MyFile.GetLastRecord();
while( rc == XB_NO_ERROR )
{
// MyFile.GetField( lname, buf );
std::cout << "Last Name = " << MyFile.GetStringField( lname ) << std::endl;
std::cout << "Logical Field = " << MyFile.GetLogicalField( "SWITCH" ) << std::endl;
rc = MyFile.GetPrevRecord();
}
std::cout << std::endl;
MyFile.CloseDatabase(); /* close database */
return 0;
}
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