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+/* xb_ex_v4_upd_dbf.cpp
+
+XBase64 Software Library
+
+Copyright (c) 1997,2003,2014,2022 Gary A Kunkel
+
+The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.
+
+Email Contact:
+
+ XDB-devel@lists.sourceforge.net
+ XDB-users@lists.sourceforge.net
+
+ This example demonstrates how to open the DBase IV table created by xb_ex_v4_create_dbf
+ and apply various updates to the table.
+
+*/
+
+#include <xbase.h>
+
+using namespace xb;
+
+int main()
+{
+
+#ifdef XB_DBF4_SUPPORT
+
+
+ /* define the classes */
+ xbXBase x; /* initialize xbase */
+ x.SetDataDirectory( PROJECT_DATA_DIR ); /* where all the tables live */
+ x.EnableMsgLogging();
+ x.WriteLogMessage( "Program [xb_ex_v4_upd_dbf] initializing..." );
+
+ xbDbf *MyTable = new xbDbf4( &x ); /* class for DBase V4 table */
+
+ xbInt16 iRc = 0;
+ xbInt16 iErrorStop = 0;
+
+ try{
+
+ if(( iRc = MyTable->Open( "Address.DBF" )) != XB_NO_ERROR ){
+ iErrorStop = 100;
+ throw iRc;
+ }
+
+ /* get the field numbers for all the fields in the table */
+
+ xbInt16 iFld_FIRSTNAME = MyTable->GetFieldNo( "FIRSTNAME" );
+ xbInt16 iFld_LASTNAME = MyTable->GetFieldNo( "LASTNAME" );
+ xbInt16 iFld_BIRTHDATE = MyTable->GetFieldNo( "BIRTHDATE" );
+ xbInt16 iFld_AMOUNT1 = MyTable->GetFieldNo( "AMOUNT1" );
+ xbInt16 iFld_FRIEND = MyTable->GetFieldNo( "FRIEND?" );
+ xbInt16 iFld_ZIPCD = MyTable->GetFieldNo( "ZIPCD" );
+ xbInt16 iFld_AMOUNT2 = MyTable->GetFieldNo( "AMOUNT2" );
+
+ #ifdef XB_MEMO_FIELDS
+ zbInt16 iFld_MEMO1 = MyTable->GetFieldNo( "MEMO1" );
+ #endif
+
+
+ #ifdef XB_MDX_SUPPPORT
+ std::cout << "Current tag = [" << MyTable->GetCurTagName() << "]\n";
+ #endif
+
+ // Blank the record buffer
+ if(( iRc = MyTable->BlankRecord()) != XB_NO_ERROR ){
+ iErrorStop = 110;
+ throw iRc;
+ }
+
+ // put field examples - using field numbers
+ if(( iRc = MyTable->PutField( iFld_LASTNAME, "JONES" )) != XB_NO_ERROR ){
+ iErrorStop = 120;
+ throw iRc;
+ }
+ // could also reference by field name (see below) but referencing by number
+ // is a little bit faster because it doesn't need to look up the number for the field name
+ // Alternative--> if(( iRc = MyTable->PutField( "LASTNAME", "JONES" )) != XB_NO_ERROR ){
+
+ if(( iRc = MyTable->PutField( iFld_FIRSTNAME, "JERRY" )) != XB_NO_ERROR ){
+ iErrorStop = 130;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutField( iFld_AMOUNT1, "12.35" )) != XB_NO_ERROR ){
+ iErrorStop = 140;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutLogicalField( iFld_FRIEND, "Y" )) != XB_NO_ERROR ){
+ iErrorStop = 150;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutField( iFld_BIRTHDATE, "19880209" )) != XB_NO_ERROR ){
+ iErrorStop = 160;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutLongField( iFld_ZIPCD, 12345 )) != XB_NO_ERROR ){
+ iErrorStop = 170;
+ throw iRc;
+ }
+
+ // Append the first record
+ if(( iRc = MyTable->AppendRecord()) != XB_NO_ERROR ){
+ iErrorStop = 180;
+ throw iRc;
+ }
+
+ // Commit the updates
+ if(( iRc = MyTable->Commit()) != XB_NO_ERROR ){
+ iErrorStop = 190;
+ throw iRc;
+ }
+
+ // Blank the record buffer
+ if(( iRc = MyTable->BlankRecord()) != XB_NO_ERROR ){
+ iErrorStop = 200;
+ throw iRc;
+ }
+
+ // put field to the record buffer using field name (slightly less efficient than using field numbers)
+ if(( iRc = MyTable->PutField( "LASTNAME", "FUCKPUTIN" )) != XB_NO_ERROR ){
+ iErrorStop = 210;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutField( "FIRSTNAME", "ALBERT" )) != XB_NO_ERROR ){
+ iErrorStop = 220;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutDoubleField( "AMOUNT1", (xbDouble) 987.55 )) != XB_NO_ERROR ){
+ iErrorStop = 230;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutLogicalField( "FRIEND?", "N" )) != XB_NO_ERROR ){
+ iErrorStop = 240;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->PutLongField( "ZIPCD", 44256 )) != XB_NO_ERROR ){
+ iErrorStop = 250;
+ throw iRc;
+ }
+
+ xbFloat f = (xbFloat) 12345.67;
+ std::cout << f << std::endl;
+
+ if(( iRc = MyTable->PutFloatField( iFld_AMOUNT2, f )) != XB_NO_ERROR ){
+ iErrorStop = 260;
+ throw iRc;
+ }
+ xbDouble d = 76543.21;
+ if(( iRc = MyTable->PutDoubleField( iFld_AMOUNT1, d )) != XB_NO_ERROR ){
+ iErrorStop = 270;
+ throw iRc;
+ }
+
+ // Append the second record
+ if(( iRc = MyTable->AppendRecord()) != XB_NO_ERROR ){
+ iErrorStop = 280;
+ throw iRc;
+ }
+
+ // Commit the updates
+ if(( iRc = MyTable->Commit()) != XB_NO_ERROR ){
+ iErrorStop = 290;
+ throw iRc;
+ }
+
+
+ // get a field with a field number
+ xbString FirstName;
+ if(( iRc = MyTable->GetField( iFld_FIRSTNAME, FirstName )) < 0 ){
+ iErrorStop = 300;
+ throw iRc;
+ }
+ std::cout << "First Name is [" << FirstName.Str() << "]" << std::endl;
+
+ xbString LastName;
+ if(( iRc = MyTable->GetField( "LASTNAME", LastName )) < 0 ){
+ iErrorStop = 310;
+ throw iRc;
+ }
+ std::cout << "Last Name is [" << LastName.Str() << "]" << std::endl;
+
+ xbInt16 iNoOfDecimals;
+ if(( iRc = MyTable->GetFieldDecimal( "AMOUNT2", iNoOfDecimals )) != XB_NO_ERROR ){
+ iErrorStop = 320;
+ throw iRc;
+ }
+ std::cout << "There are " << iNoOfDecimals << " decimals in the AMOUNT field" << std::endl;
+
+ xbString FieldName;
+ if(( iRc = MyTable->GetFieldName( 4, FieldName )) != XB_NO_ERROR ){
+ iErrorStop = 330;
+ throw iRc;
+ }
+ std::cout << "Field #4 name is " << FieldName.Str() << std::endl;
+
+ xbString sFriend;
+ if(( iRc = MyTable->GetLogicalField( "FRIEND?", sFriend )) < 0 ){
+ iErrorStop = 340;
+ throw iRc;
+ }
+ std::cout << "Switch value = [" << sFriend.Str() << "]" << std::endl;
+
+ xbInt32 lZip = 0;
+ if(( iRc = MyTable->GetLongField( "ZIPCODE", lZip )) < 0 ){
+ iErrorStop = 350;
+ throw iRc;
+ }
+ std::cout << "Long value = [" << lZip << "]" << std::endl;
+
+ if(( iRc = MyTable->GetFloatField( iFld_AMOUNT2, f )) < 0 ){
+ iErrorStop = 360;
+ throw iRc;
+ }
+ printf( "Field NUMFLD1 %8.2f\n", f );
+
+
+ if(( iRc = MyTable->GetDoubleField( iFld_AMOUNT1, d )) < 0 ){
+ iErrorStop = 370;
+ throw iRc;
+ }
+ printf( "Field NUMFLD2 %8.2f\n", d );
+
+ // Initialize the record buffer in preparation for another record
+ if(( iRc = MyTable->BlankRecord()) != XB_NO_ERROR ){
+ iErrorStop = 380;
+ throw iRc;
+ }
+
+ // Append another record (it will be blank)
+ if(( iRc = MyTable->AppendRecord()) != XB_NO_ERROR ){
+ iErrorStop = 390;
+ throw iRc;
+ };
+
+ // mark current record for deletion
+ if(( iRc = MyTable->DeleteRecord()) != XB_NO_ERROR ){
+ iErrorStop = 400;
+ throw iRc;
+ };
+
+ // save current record
+ if(( iRc = MyTable->PutRecord()) != XB_NO_ERROR ){
+ iErrorStop = 410;
+ throw iRc;
+ }
+
+ if(( iRc = MyTable->Commit()) != XB_NO_ERROR ){
+ iErrorStop = 420;
+ throw iRc;
+ }
+
+ // example code to loop through the table
+ xbUInt32 ulRecCnt;
+ if(( iRc = MyTable->GetRecordCnt( ulRecCnt )) != XB_NO_ERROR ){
+ iErrorStop = 430;
+ throw iRc;
+ }
+
+ for( xbUInt32 ul = 1; ul <= ulRecCnt; ul++ ){
+ if(( iRc = MyTable->GetRecord( ul )) != XB_NO_ERROR ){
+ iErrorStop = 440;
+ throw iRc;
+ }
+ // do something with the record here
+ std::cout << "Tuple = " << MyTable->GetCurRecNo() << std::endl;
+
+ }
+
+ /* Close database and associated indexes */
+ if(( iRc = MyTable->Close()) != XB_NO_ERROR ){
+ iErrorStop = 450;
+ throw iRc;
+ }
+ delete MyTable;
+
+
+ }
+ catch( xbInt16 iRc ){
+ std::cout << "xb_ex_v4_upd_dbf error. Error stop point = [" << iErrorStop << "] iRc = [" << iRc << "]" << std::endl;
+ std::cout << x.GetErrorMessage( iRc ) << std::endl;
+ }
+
+#endif // XB_DBF4_SUPPORT
+ return 0;
+}
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