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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, 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries 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 Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
/* 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