Files
harbour-core/harbour/source/rtl/at.c
Viktor Szakats 24ec421a42 2008-05-21 17:45 UTC+0100 Viktor Szakats (harbour.01 syenar hu)
* harbour.spec
     + Added HU translation (cpwin).

   * source/rtl/gtfunc.c
     % Minor opt.

   * source/rtl/console.c
   * source/rtl/fserror.c
   * source/rtl/strmatch.c
   * source/rtl/padr.c
   * source/rtl/hbhex.c
   * source/rtl/at.c
   * source/rtl/abs.c
   * source/rtl/dates.c
   * source/rtl/padc.c
   * source/rtl/mod.c
   * source/rtl/hbrandom.c
   * source/rtl/filesys.c
   * source/rtl/padl.c
   * source/rtl/val.c
   * source/rtl/hbregex.c
   * source/vm/runner.c
   * source/vm/hashes.c
   * source/vm/itemapi.c
   * source/vm/hvm.c
   * source/vm/maindllp.c
   * source/vm/fm.c
   * source/vm/arrayshb.c
   * source/vm/classes.c
   * source/common/hbtrace.c
     * Formatting (whitespace only)
2008-05-21 15:50:34 +00:00

115 lines
3.6 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* AT() function
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
* 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.
*
*/
#include "hbapi.h"
#include "hbapiitm.h"
#include "hbapierr.h"
/* locates a substring in a string */
HB_FUNC( HB_AT )
{
PHB_ITEM pSub = hb_param( 1, HB_IT_STRING );
PHB_ITEM pText = hb_param( 2, HB_IT_STRING );
if( pText && pSub )
{
ULONG ulTextLength = hb_itemGetCLen( pText );
ULONG ulStart = ISNUM( 3 ) ? hb_parnl( 3 ) : 1;
ULONG ulEnd = ISNUM( 4 ) ? ( ULONG ) hb_parnl( 4 ) : ulTextLength;
ULONG ulPos;
if( ulStart > ulTextLength || ulEnd < ulStart )
hb_retnl( 0 );
else
{
if( ulEnd > ulTextLength )
ulEnd = ulTextLength;
ulPos = hb_strAt( hb_itemGetCPtr( pSub ), hb_itemGetCLen( pSub ),
hb_itemGetCPtr( pText ) + ulStart - 1, ulEnd - ulStart + 1 );
if( ulPos > 0)
ulPos += ( ulStart - 1 );
hb_retnl( ulPos );
}
}
else
hb_errRT_BASE_SubstR( EG_ARG, 1108, NULL, "AT", HB_ERR_ARGS_BASEPARAMS );
}
#if defined( HB_EXTENSION )
HB_FUNC( AT )
{
HB_FUNC_EXEC( HB_AT );
}
#else
HB_FUNC( AT )
{
PHB_ITEM pSub = hb_param( 1, HB_IT_STRING );
PHB_ITEM pText = hb_param( 2, HB_IT_STRING );
if( pText && pSub )
{
hb_retnl( hb_strAt( hb_itemGetCPtr( pSub ), hb_itemGetCLen( pSub ),
hb_itemGetCPtr( pText ), hb_itemGetCLen( pText ) ) );
}
else
hb_errRT_BASE_SubstR( EG_ARG, 1108, NULL, "AT", HB_ERR_ARGS_BASEPARAMS );
}
#endif