d80c8c5454
* contrib/hbct/addascii.c
* contrib/hbct/ascpos.c
* contrib/hbct/atadjust.c
* contrib/hbct/atnum.c
* contrib/hbct/atrepl.c
* contrib/hbct/charevod.c
* contrib/hbct/charmirr.c
* contrib/hbct/charmix.c
* contrib/hbct/charone.c
* contrib/hbct/charonly.c
* contrib/hbct/charrepl.c
* contrib/hbct/charsort.c
* contrib/hbct/charsprd.c
* contrib/hbct/charswap.c
* contrib/hbct/count.c
* contrib/hbct/ctpad.c
* contrib/hbct/ctstr.c
* contrib/hbct/dattime2.c
* contrib/hbct/expand.c
* contrib/hbct/exponent.c
* contrib/hbct/justify.c
* contrib/hbct/numat.c
* contrib/hbct/pos1.c
* contrib/hbct/pos2.c
* contrib/hbct/posdiff.c
* contrib/hbct/range.c
* contrib/hbct/relation.c
* contrib/hbct/remove.c
* contrib/hbct/replace.c
* contrib/hbct/screen1.c
* contrib/hbct/screen2.c
* contrib/hbct/strswap.c
* contrib/hbct/tab.c
* contrib/hbct/token1.c
* contrib/hbct/token2.c
* contrib/hbct/wordrepl.c
* contrib/hbct/wordtoch.c
% removed superfluous parenthesis
* whitespace formatting
421 lines
12 KiB
C
421 lines
12 KiB
C
/*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* Harbour Project source code:
|
|
* POSCHAR(), POSDEL(), POSINS() and POSREPL() CT3 functions
|
|
*
|
|
* Copyright 2001 IntTec GmbH, Neunlindenstr 32, 79106 Freiburg, Germany
|
|
* Author: Martin Vogel <vogel@inttec.de>
|
|
*
|
|
* www - http://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 "ct.h"
|
|
|
|
HB_FUNC( POSCHAR )
|
|
{
|
|
int iNoRet;
|
|
|
|
iNoRet = ct_getref() && HB_ISBYREF( 1 );
|
|
|
|
if( hb_parclen( 1 ) > 0 )
|
|
{
|
|
if( ( hb_parclen( 2 ) > 0 ) || HB_ISNUM( 2 ) )
|
|
{
|
|
const char * pcString = hb_parc( 1 );
|
|
HB_SIZE sStrLen = hb_parclen( 1 );
|
|
char * pcRet;
|
|
char cReplace;
|
|
HB_SIZE sPosition;
|
|
|
|
if( HB_ISCHAR( 2 ) )
|
|
cReplace = *( hb_parc( 2 ) );
|
|
else
|
|
cReplace = ( char ) ( hb_parns( 2 ) % 256 );
|
|
|
|
if( HB_ISNUM( 3 ) )
|
|
{
|
|
sPosition = hb_parns( 3 );
|
|
if( sPosition == 0 )
|
|
sPosition = sStrLen;
|
|
}
|
|
else
|
|
sPosition = sStrLen;
|
|
|
|
pcRet = ( char * ) hb_xgrab( sStrLen + 1 );
|
|
hb_xmemcpy( pcRet, pcString, sStrLen );
|
|
*( pcRet + sPosition - 1 ) = cReplace;
|
|
|
|
if( HB_ISBYREF( 1 ) )
|
|
hb_storclen( pcRet, sStrLen, 1 );
|
|
|
|
if( iNoRet )
|
|
{
|
|
hb_ret();
|
|
hb_xfree( pcRet );
|
|
}
|
|
else
|
|
hb_retclen_buffer( pcRet, sStrLen );
|
|
}
|
|
else /* ( hb_parclen( 2 ) > 0 ) || HB_ISNUM( 2 ) */
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
|
|
CT_ERROR_POSCHAR, NULL, HB_ERR_FUNCNAME, 0,
|
|
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else if( iNoRet )
|
|
hb_ret();
|
|
else
|
|
hb_retclen( hb_parc( 1 ), hb_parclen( 1 ) );
|
|
}
|
|
}
|
|
else /* hb_parclen( 1 ) > 0 */
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
|
|
CT_ERROR_POSCHAR, NULL, HB_ERR_FUNCNAME, 0,
|
|
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else if( iNoRet )
|
|
hb_ret();
|
|
else
|
|
hb_retc_null();
|
|
}
|
|
}
|
|
|
|
HB_FUNC( POSDEL )
|
|
{
|
|
if( HB_ISCHAR( 1 ) )
|
|
{
|
|
const char * pcString = hb_parc( 1 );
|
|
HB_SIZE sStrLen = hb_parclen( 1 );
|
|
HB_SIZE sStartPos, sDelLen;
|
|
char * pcRet;
|
|
|
|
if( HB_ISNUM( 3 ) )
|
|
sDelLen = hb_parns( 3 );
|
|
else
|
|
sDelLen = 1; /* set new standard behavior */
|
|
|
|
if( HB_ISNUM( 2 ) )
|
|
{
|
|
sStartPos = hb_parns( 2 );
|
|
if( sStartPos == 0 || sStartPos > sStrLen - sDelLen + 1 )
|
|
sStartPos = sStrLen - sDelLen + 1;
|
|
}
|
|
else
|
|
sStartPos = sStrLen - sDelLen + 1;
|
|
|
|
if( sStrLen <= sDelLen )
|
|
{
|
|
hb_retc_null();
|
|
return;
|
|
}
|
|
|
|
pcRet = ( char * ) hb_xgrab( sStrLen - sDelLen + 1 );
|
|
|
|
/* copy first part */
|
|
if( sStartPos > 1 )
|
|
{
|
|
hb_xmemcpy( pcRet, pcString, sStartPos - 1 );
|
|
}
|
|
|
|
/* copy second part */
|
|
if( sStrLen > ( sStartPos - 1 + sDelLen ) )
|
|
{
|
|
hb_xmemcpy( pcRet + sStartPos - 1, pcString + sStartPos - 1 + sDelLen,
|
|
sStrLen - ( sStartPos - 1 + sDelLen ) );
|
|
}
|
|
|
|
hb_retclen_buffer( pcRet, sStrLen - sDelLen );
|
|
}
|
|
else /* HB_ISCHAR( 1 ) */
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
|
|
CT_ERROR_POSDEL, NULL, HB_ERR_FUNCNAME, 0,
|
|
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else
|
|
hb_retc_null();
|
|
}
|
|
}
|
|
|
|
HB_FUNC( POSINS )
|
|
{
|
|
if( HB_ISCHAR( 1 ) )
|
|
{
|
|
const char * pcString = hb_parc( 1 );
|
|
HB_SIZE sStrLen = hb_parclen( 1 );
|
|
const char * pcInsert;
|
|
HB_SIZE sInsLen;
|
|
|
|
if( ( sInsLen = hb_parclen( 2 ) ) > 0 )
|
|
{
|
|
HB_SIZE sStartPos;
|
|
char * pcRet;
|
|
|
|
pcInsert = hb_parc( 2 );
|
|
|
|
if( HB_ISNUM( 3 ) )
|
|
{
|
|
sStartPos = hb_parns( 3 );
|
|
if( sStartPos == 0 )
|
|
sStartPos = sStrLen;
|
|
}
|
|
else
|
|
sStartPos = sStrLen;
|
|
|
|
/* check for false sStartPos */
|
|
if( sStartPos > sStrLen + 1 )
|
|
{
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_POSINS,
|
|
NULL, HB_ERR_FUNCNAME, 0, EF_CANDEFAULT,
|
|
HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
hb_retclen( pcString, sStrLen );
|
|
return;
|
|
}
|
|
|
|
pcRet = ( char * ) hb_xgrab( sStrLen + sInsLen + 1 );
|
|
|
|
/* copy first part */
|
|
if( sStartPos > 1 )
|
|
hb_xmemcpy( pcRet, pcString, sStartPos - 1 );
|
|
|
|
/* insert string */
|
|
hb_xmemcpy( pcRet + sStartPos - 1, pcInsert, sInsLen );
|
|
|
|
/* copy second part */
|
|
if( sStrLen > ( sStartPos - 1 ) )
|
|
{
|
|
hb_xmemcpy( pcRet + sStartPos - 1 + sInsLen, pcString + sStartPos - 1,
|
|
sStrLen - ( sStartPos - 1 ) );
|
|
}
|
|
|
|
hb_retclen_buffer( pcRet, sStrLen + sInsLen );
|
|
}
|
|
else /* hb_parclen( 2 ) > 0 */
|
|
hb_retclen( pcString, sStrLen );
|
|
}
|
|
else /* HB_ISCHAR( 1 ) */
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
|
|
CT_ERROR_POSINS, NULL, HB_ERR_FUNCNAME, 0,
|
|
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else
|
|
hb_retc_null();
|
|
}
|
|
}
|
|
|
|
HB_FUNC( POSREPL )
|
|
{
|
|
int iNoRet;
|
|
|
|
iNoRet = ct_getref() && HB_ISBYREF( 1 );
|
|
|
|
if( HB_ISCHAR( 1 ) )
|
|
{
|
|
const char * pcString = hb_parc( 1 );
|
|
HB_SIZE sStrLen = hb_parclen( 1 );
|
|
const char * pcReplace;
|
|
HB_SIZE sReplLen;
|
|
|
|
if( ( sReplLen = hb_parclen( 2 ) ) > 0 )
|
|
{
|
|
|
|
HB_SIZE sStartPos;
|
|
char * pcRet;
|
|
HB_SIZE sRetLen;
|
|
|
|
pcReplace = hb_parc( 2 );
|
|
|
|
if( HB_ISNUM( 3 ) )
|
|
{
|
|
sStartPos = hb_parns( 3 );
|
|
if( sStartPos == 0 )
|
|
{
|
|
if( sReplLen > sStrLen )
|
|
sStartPos = 1;
|
|
else
|
|
sStartPos = sStrLen - sReplLen + 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( sReplLen > sStrLen )
|
|
sStartPos = 1;
|
|
else
|
|
sStartPos = sStrLen - sReplLen + 1;
|
|
}
|
|
|
|
/* check for false sStartPos */
|
|
if( sStartPos > sStrLen + 1 )
|
|
{
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_POSREPL,
|
|
NULL, HB_ERR_FUNCNAME, 0, EF_CANDEFAULT,
|
|
HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( iNoRet )
|
|
hb_ret();
|
|
else
|
|
hb_retclen( pcString, sStrLen );
|
|
return;
|
|
}
|
|
|
|
if( sStrLen > ( sStartPos + sReplLen - 1 ) )
|
|
sRetLen = sStrLen;
|
|
else
|
|
sRetLen = sStartPos + sReplLen - 1;
|
|
|
|
pcRet = ( char * ) hb_xgrab( sRetLen + 1 );
|
|
|
|
/* copy first part */
|
|
if( sStartPos > 1 )
|
|
hb_xmemcpy( pcRet, pcString, sStartPos - 1 );
|
|
|
|
/* insert replacement string */
|
|
hb_xmemcpy( pcRet + sStartPos - 1, pcReplace, sReplLen );
|
|
|
|
/* copy second part */
|
|
if( sStrLen > ( sStartPos - 1 + sReplLen ) )
|
|
hb_xmemcpy( pcRet + sStartPos - 1 + sReplLen, pcString + sStartPos - 1 + sReplLen,
|
|
sStrLen - ( sStartPos - 1 + sReplLen ) );
|
|
|
|
if( HB_ISBYREF( 1 ) )
|
|
{
|
|
hb_storclen( pcRet, sRetLen, 1 );
|
|
}
|
|
|
|
if( iNoRet )
|
|
{
|
|
hb_xfree( pcRet );
|
|
hb_ret();
|
|
}
|
|
else
|
|
hb_retclen_buffer( pcRet, sRetLen );
|
|
|
|
}
|
|
else /* hb_parclen( 2 ) > 0 */
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
|
|
CT_ERROR_POSREPL, NULL, HB_ERR_FUNCNAME, 0,
|
|
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else if( iNoRet )
|
|
hb_ret();
|
|
else
|
|
hb_retclen( pcString, sStrLen );
|
|
}
|
|
}
|
|
else /* HB_ISCHAR( 1 ) */
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
|
|
CT_ERROR_POSREPL, NULL, HB_ERR_FUNCNAME, 0,
|
|
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else if( iNoRet )
|
|
hb_ret();
|
|
else
|
|
hb_retc_null();
|
|
}
|
|
}
|