9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
131 lines
4.4 KiB
C
131 lines
4.4 KiB
C
/*
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* WordToChar() CT3 string function
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*
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* Copyright 2001 IntTec GmbH, Neunlindenstr 32, 79106 Freiburg, Germany
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* Author: Martin Vogel <vogel@inttec.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "ct.h"
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HB_FUNC( WORDTOCHAR )
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{
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int iMultiPass;
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HB_SIZE sSearchLen, sStrLen, sReplaceLen;
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iMultiPass = ct_getatmupa();
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/* param check */
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if( ( sSearchLen = hb_parclen( 1 ) ) / 2 > 0 &&
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( sStrLen = hb_parclen( 2 ) ) / 2 > 0 &&
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( sReplaceLen = hb_parclen( 3 ) ) > 0 )
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{
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/* get parameters */
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const char * pcSearch = hb_parc( 1 );
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const char * pcString = hb_parc( 2 );
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const char * pcReplace = hb_parc( 3 );
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char * pcRet;
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HB_SIZE sRetIndex, sIndex;
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int iNoReplace;
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pcRet = ( char * ) hb_xgrab( sStrLen );
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sRetIndex = 0;
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sIndex = 0;
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iNoReplace = 0;
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*pcRet = *pcString; /* copy first char */
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do
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{
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HB_SIZE sMatchStrLen;
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const char * pc;
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HB_SIZE sReplIndex;
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*( pcRet + sRetIndex + 1 ) = *( pcString + sIndex + 1 );
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if( ! iNoReplace &&
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( ( pc = ct_at_exact_forward( pcSearch, sSearchLen,
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pcRet + sRetIndex, 2,
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&sMatchStrLen ) ) != NULL ) &&
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( ( ( sReplIndex = ( pc - pcSearch ) ) & 1 ) != 1 ) )
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{
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sReplIndex /= 2;
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if( sReplIndex >= sReplaceLen )
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sReplIndex = sReplaceLen - 1;
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*( pcRet + sRetIndex ) = *( pcReplace + sReplIndex );
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if( ! iMultiPass )
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iNoReplace = 1; /* just copy next char without searching & replacing */
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}
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else
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{
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iNoReplace = 0;
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sRetIndex++;
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}
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sIndex++;
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}
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while( sIndex < sStrLen - 1 );
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/* return string */
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hb_retclen( pcRet, sRetIndex + 1 );
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hb_xfree( pcRet );
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}
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else
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{
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PHB_ITEM pSubst = NULL;
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int iArgErrorMode = ct_getargerrormode();
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if( iArgErrorMode != CT_ARGERR_IGNORE )
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pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
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CT_ERROR_WORDTOCHAR, NULL, HB_ERR_FUNCNAME, 0,
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EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
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if( pSubst != NULL )
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hb_itemReturnRelease( pSubst );
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else if( HB_ISCHAR( 2 ) )
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hb_retclen( hb_parc( 2 ), hb_parclen( 2 ) );
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else
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hb_retc_null();
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}
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}
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