9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
108 lines
3.6 KiB
C
108 lines
3.6 KiB
C
/*
|
|
* CT3 string function
|
|
* - AscPos()
|
|
* - ValPos()
|
|
*
|
|
* Copyright 2001 IntTec GmbH, Neunlindenstr 32, 79106 Freiburg, Germany
|
|
* Author: Martin Vogel <vogel@inttec.de>
|
|
*
|
|
* 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 program; see the file LICENSE.txt. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
|
|
*
|
|
* 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 "ct.h"
|
|
|
|
/* defines */
|
|
#define DO_ASCPOS_ASCPOS 0
|
|
#define DO_ASCPOS_VALPOS 1
|
|
|
|
/* helper function */
|
|
static void do_ascpos( int iSwitch )
|
|
{
|
|
if( HB_ISCHAR( 1 ) )
|
|
{
|
|
HB_SIZE sStrSize = hb_parclen( 1 );
|
|
const HB_BYTE * pcString = ( const HB_BYTE * ) hb_parc( 1 );
|
|
HB_SIZE sPos = hb_parnsdef( 2, sStrSize );
|
|
|
|
if( sPos == 0 || sPos > sStrSize )
|
|
hb_retni( 0 );
|
|
else
|
|
{
|
|
if( iSwitch == DO_ASCPOS_VALPOS )
|
|
{
|
|
if( HB_ISDIGIT( ( HB_UCHAR ) pcString[ sPos - 1 ] ) )
|
|
hb_retni( pcString[ sPos - 1 ] - '0' );
|
|
else
|
|
hb_retni( 0 );
|
|
}
|
|
else
|
|
hb_retni( pcString[ sPos - 1 ] );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
|
|
iSwitch == DO_ASCPOS_VALPOS ?
|
|
CT_ERROR_VALPOS : CT_ERROR_ASCPOS, NULL,
|
|
HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
|
|
HB_ERR_ARGS_BASEPARAMS );
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else
|
|
hb_retni( 0 );
|
|
}
|
|
}
|
|
|
|
HB_FUNC( ASCPOS )
|
|
{
|
|
do_ascpos( DO_ASCPOS_ASCPOS );
|
|
}
|
|
|
|
HB_FUNC( VALPOS )
|
|
{
|
|
do_ascpos( DO_ASCPOS_VALPOS );
|
|
}
|