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harbour-core/harbour/source/rdd/dblist.prg

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/*
* $Id$
*/
/*
* Harbour Project source code:
* __DBLIST() function
*
* Copyright 2000 Luiz Rafael Culik <culik@sl.conex.net>
* www - http://www.harbour-project.org
*
* 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, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) with other files to produce
* an executable, this does not by itself cause the resulting executable
* to be covered by the GNU General Public License. Your use of that
* executable is in no way restricted on account of linking the HRL
* and/or HVM code into it.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
/* NOTE: lAll is basically a dummy parameter, nothing really depends on it.
[vszakats] */
FUNCTION __dbList( lOff, abEval, lAll, bFor, bWhile, nNext, nRecord, lRest, lToPrint, cToFileName )
LOCAL lOldPrinter
LOCAL lOldExtra
LOCAL cOldExtraFile
LOCAL cPath
LOCAL cName
LOCAL cExt
LOCAL oError
LOCAL bOutBlock
/* Choose the output style */
IF lOff
bOutBlock := {|| QOut( iif( Deleted(), "*", " " ) ),;
aEval( abEval, {| bEval | QQOut( Eval( bEval ), "" ) } ) }
ELSE
bOutBlock := {|| QOut( Str( RecNo(), 7 ), iif( Deleted(), "*", " " ) ),;
aEval( abEval, {| bEval | QQOut( Eval( bEval ), "" ) } ) }
ENDIF
/* Save SETs */
IF !Empty( lToPrint )
lOldPrinter := Set(_SET_PRINTER, .T. )
ENDIF
IF !Empty( cToFileName )
hb_FNameSplit( cToFileName, @cPath, @cName, @cExt )
IF Empty( cExt )
cExt := ".txt"
ENDIF
lOldExtra := Set( _SET_EXTRA, .T. )
cOldExtraFile := Set( _SET_EXTRAFILE, hb_FNameMerge( @cPath, @cName, @cExt ) )
ENDIF
/* Do the job */
BEGIN SEQUENCE
IF Empty( lAll ) .AND. ;
Empty( bFor ) .AND. ;
Empty( bWhile ) .AND. ;
Empty( nNext ) .AND. ;
Empty( nRecord ) .AND. ;
Empty( lRest )
Eval( bOutBlock )
ELSE
dbEval( bOutBlock, bFor, bWhile, nNext, nRecord, lRest )
ENDIF
RECOVER USING oError
END SEQUENCE
/* Restor SETs */
IF !Empty( lToPrint )
Set( _SET_PRINTER, lOldPrinter )
ENDIF
IF !Empty( cToFileName )
Set( _SET_EXTRAFILE, cOldExtraFile )
Set( _SET_EXTRA, lOldExtra )
ENDIF
/* On error signal the error for the higher level error handler or quit */
IF oError != NIL
Break( oError )
ENDIF
RETURN NIL