31adc89c13
* examples/gfspell/spellc.c
* uncrustified
* contrib/xhb/hbxml.c
* some formatting
* contrib/hbct/atadjust.c
* contrib/hbct/atnum.c
* contrib/hbct/atrepl.c
* contrib/hbct/charone.c
* contrib/hbct/charonly.c
* contrib/hbct/charop.c
* contrib/hbct/charswap.c
* contrib/hbct/count.c
* contrib/hbct/ctwin.c
* contrib/hbct/justify.c
* contrib/hbct/numat.c
* contrib/hbct/pos1.c
* contrib/hbct/token1.c
* contrib/hbgd/gdwrp.c
* contrib/rddads/adsx.c
* examples/hbapollo/get.c
* examples/hbapollo/put.c
* include/hbdefs.h
* include/hbstack.h
* src/rdd/dbffpt/dbffpt1.c
* src/rtl/gtdos/gtdos.c
* src/rtl/gtos2/gtos2.c
* src/rtl/gtpca/gtpca.c
* src/rtl/gtstd/gtstd.c
* minor formatting errors (whitespace)
260 lines
8.8 KiB
C
260 lines
8.8 KiB
C
/*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* Harbour Project source code:
|
|
* ATREPL() CT3 string function
|
|
*
|
|
* 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( ATREPL )
|
|
{
|
|
if( HB_ISCHAR( 1 ) && HB_ISCHAR( 2 ) )
|
|
{
|
|
const char * pcStringToMatch = hb_parc( 1 );
|
|
HB_SIZE nStrToMatchLen = hb_parclen( 1 );
|
|
const char * pcString = hb_parc( 2 );
|
|
HB_SIZE nStrLen = hb_parclen( 2 );
|
|
int iMultiPass = ct_getatmupa();
|
|
int iAtLike = ct_getatlike();
|
|
char cAtLike = ct_getatlikechar();
|
|
HB_SIZE nIgnore, nMatchStrLen = 0;
|
|
HB_SIZE nCounter;
|
|
char * pc;
|
|
|
|
const char * pcReplacement;
|
|
HB_SIZE nReplaceLen;
|
|
int iReplaceMode;
|
|
char * pcRetStr;
|
|
HB_SIZE nRetStrLen;
|
|
|
|
/* eventually ignore some characters */
|
|
nIgnore = hb_parns( 6 );
|
|
|
|
if( nIgnore >= nStrLen )
|
|
{
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
|
|
if( iArgErrorMode != CT_ARGERR_IGNORE )
|
|
{
|
|
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_ATREPL, NULL,
|
|
HB_ERR_FUNCNAME, 0, EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
hb_retclen( pcString, nStrLen );
|
|
return;
|
|
}
|
|
|
|
/* replacement */
|
|
pcReplacement = hb_parc( 3 );
|
|
nReplaceLen = pcReplacement ? hb_parclen( 3 ) : 0;
|
|
|
|
/* replace mode */
|
|
iReplaceMode = hb_parl( 5 );
|
|
|
|
/* n-th match or last match ? */
|
|
nCounter = hb_parns( 4 );
|
|
|
|
/* little trick: */
|
|
if( iReplaceMode == 0 && nCounter == 0 )
|
|
nCounter = HB_SIZE_MAX;
|
|
|
|
if( nCounter != 0 )
|
|
{
|
|
/* depending on iReplaceMode: replace all occurences including the nth one
|
|
or only the nth occurence
|
|
NOTE: if iReplaceMode = false and the nth occurence does not exist,
|
|
all occurences are replaced */
|
|
char * pcRetSubStr;
|
|
HB_SIZE sRetSubStrLen;
|
|
HB_SIZE nMatchCounter = 0;
|
|
|
|
nRetStrLen = nStrLen;
|
|
pcRetStr = ( char * ) hb_xgrab( nRetStrLen + 1 );
|
|
hb_xmemcpy( pcRetStr, pcString, nRetStrLen );
|
|
|
|
pcRetSubStr = pcRetStr + nIgnore;
|
|
sRetSubStrLen = nRetStrLen - nIgnore;
|
|
|
|
while( nMatchCounter < nCounter )
|
|
{
|
|
switch( iAtLike )
|
|
{
|
|
case CT_SETATLIKE_EXACT:
|
|
pc = ( char * ) ct_at_exact_forward( pcRetSubStr, sRetSubStrLen, pcStringToMatch,
|
|
nStrToMatchLen, &nMatchStrLen );
|
|
break;
|
|
|
|
case CT_SETATLIKE_WILDCARD:
|
|
pc = ( char * ) ct_at_wildcard_forward( pcRetSubStr, sRetSubStrLen, pcStringToMatch,
|
|
nStrToMatchLen, cAtLike, &nMatchStrLen );
|
|
break;
|
|
|
|
default:
|
|
pc = NULL;
|
|
}
|
|
|
|
if( pc == NULL )
|
|
{
|
|
hb_retclen_buffer( pcRetStr, nRetStrLen );
|
|
return;
|
|
}
|
|
|
|
nMatchCounter++;
|
|
|
|
/* replace match ? */
|
|
if( ( iReplaceMode == 0 ) || ( nMatchCounter == nCounter ) )
|
|
{
|
|
if( nMatchStrLen < nReplaceLen )
|
|
{
|
|
/* pcRetStr grows, so realloc memory */
|
|
/* save pc pointer */
|
|
HB_SIZE sPCPos = pc - pcRetStr;
|
|
|
|
pcRetStr = ( char * ) hb_xrealloc( pcRetStr,
|
|
nRetStrLen + ( nReplaceLen - nMatchStrLen ) + 1 );
|
|
pc = pcRetStr + sPCPos;
|
|
}
|
|
|
|
if( nReplaceLen != nMatchStrLen )
|
|
memmove( pc + nReplaceLen, pc + nMatchStrLen,
|
|
nRetStrLen - ( ( pc + nMatchStrLen ) - pcRetStr ) );
|
|
if( nReplaceLen > 0 )
|
|
hb_xmemcpy( pc, pcReplacement, nReplaceLen );
|
|
|
|
if( iMultiPass )
|
|
pcRetSubStr = pc + 1;
|
|
else
|
|
pcRetSubStr = pc + nReplaceLen;
|
|
|
|
nRetStrLen += nReplaceLen - nMatchStrLen;
|
|
}
|
|
else
|
|
{
|
|
if( iMultiPass )
|
|
pcRetSubStr = pc + 1;
|
|
else
|
|
pcRetSubStr = pc + nMatchStrLen;
|
|
}
|
|
sRetSubStrLen = nRetStrLen - ( pcRetSubStr - pcRetStr );
|
|
}
|
|
}
|
|
else /* ( nCounter != 0 ) */
|
|
{
|
|
/* find and replace last match */
|
|
nRetStrLen = nStrLen;
|
|
pcRetStr = ( char * ) hb_xgrab( nRetStrLen + 1 );
|
|
hb_xmemcpy( pcRetStr, pcString, nRetStrLen );
|
|
|
|
/* we have to find the last match and replace it */
|
|
switch( iAtLike )
|
|
{
|
|
case CT_SETATLIKE_EXACT:
|
|
pc = ( char * ) ct_at_exact_backward( pcRetStr + nIgnore, nRetStrLen - nIgnore,
|
|
pcStringToMatch, nStrToMatchLen, &nMatchStrLen );
|
|
break;
|
|
|
|
case CT_SETATLIKE_WILDCARD:
|
|
pc = ( char * ) ct_at_wildcard_backward( pcRetStr + nIgnore, nRetStrLen - nIgnore,
|
|
pcStringToMatch, nStrToMatchLen,
|
|
cAtLike, &nMatchStrLen );
|
|
break;
|
|
|
|
default:
|
|
pc = NULL;
|
|
}
|
|
|
|
if( pc == NULL )
|
|
{
|
|
hb_retclen_buffer( pcRetStr, nRetStrLen );
|
|
return;
|
|
}
|
|
|
|
/* replace match */
|
|
if( nMatchStrLen < nReplaceLen )
|
|
{
|
|
/* pcRetStr grows, so realloc memory */
|
|
/* save pc pointer */
|
|
HB_SIZE sPCPos = pc - pcRetStr;
|
|
|
|
pcRetStr = ( char * ) hb_xrealloc( pcRetStr,
|
|
nRetStrLen + ( nReplaceLen - nMatchStrLen ) + 1 );
|
|
pc = pcRetStr + sPCPos;
|
|
}
|
|
|
|
if( nReplaceLen != nMatchStrLen )
|
|
memmove( pc + nReplaceLen, pc + nMatchStrLen,
|
|
nRetStrLen - ( ( pc + nMatchStrLen ) - pcRetStr ) );
|
|
if( nReplaceLen > 0 )
|
|
hb_xmemcpy( pc, pcReplacement, nReplaceLen );
|
|
|
|
nRetStrLen += ( nReplaceLen - nMatchStrLen );
|
|
}
|
|
|
|
hb_retclen_buffer( pcRetStr, nRetStrLen );
|
|
}
|
|
else /* ( HB_ISCHAR( 1 ) && HB_ISCHAR( 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_ATREPL, NULL, HB_ERR_FUNCNAME, 0,
|
|
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
if( pSubst != NULL )
|
|
hb_itemReturnRelease( pSubst );
|
|
else
|
|
hb_retclen( hb_parc( 2 ), hb_parclen( 2 ) );
|
|
}
|
|
}
|