94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* $Id$
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*/
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/*
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* SixAPI Project source code:
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*
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* Copyright 2010 Andi Jahja <xharbour@telkom.net.id>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*/
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#include "sxapi.h"
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HB_FUNC( SX_SKIP )
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{
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WORD iWorkArea = SX_DUMMY_NUMBER;
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long iSkipRec;
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if( ! _sx_Used() )
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hb_errRT_DBCMD( EG_NOTABLE, EDBCMD_NOTABLE, NULL, "SX_SKIP" );
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if( ! HB_ISNIL( 2 ) )
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iWorkArea = _sx_select( hb_param( 2, HB_IT_ANY ) );
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if( HB_ISNUM( 1 ) )
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iSkipRec = hb_parnl( 1 );
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else
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iSkipRec = 1;
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sx_Skip( iSkipRec );
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if( ! ( iWorkArea == SX_DUMMY_NUMBER ) )
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sx_Select( iWorkArea );
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}
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HB_FUNC( SX_DBSKIPPER )
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{
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long nSkipped = 0;
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long nRecs = hb_parnl( 1 );
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if( ! ( sx_Eof() && sx_Bof() ) )
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{
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if( nRecs == 0 )
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sx_Skip( 0 );
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else if( ( nRecs > 0 ) && ! sx_Eof() )
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{
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nSkipped = 0;
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while( nSkipped < nRecs )
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{
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sx_Skip( 1 );
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if( sx_Eof() )
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{
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sx_Skip( -1 );
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nRecs = nSkipped;
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}
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else
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{
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nSkipped++;
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}
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}
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}
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else if( nRecs < 0 )
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{
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while( nSkipped > nRecs )
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{
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sx_Skip( -1 );
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if( sx_Bof() )
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{
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nRecs = nSkipped;
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}
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else
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{
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nSkipped--;
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}
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}
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}
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}
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hb_retnl( nSkipped );
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}
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