347ee44d1f
+ harbour/contrib/libct/ctdisk.ch
+ added missing file I forgot to add in previous commit
* harbour/contrib/libct/pos1.c
* harbour/contrib/libct/ct.h
* harbour/contrib/libct/posdiff.c
* harbour/contrib/libct/range.c
* harbour/contrib/libct/pos2.c
* harbour/contrib/libct/print.c
* synced with xHarbour modifications and fixes
! some fixes
* indenting
290 lines
9.1 KiB
C
290 lines
9.1 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* RANGEREM() and RANGEREPL() CT3 string functions
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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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* www - http://www.harbour-project.org
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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 software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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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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/* $DOC$
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* $FUNCNAME$
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* RANGEREM()
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* $CATEGORY$
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* CT3 string functions
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* $ONELINER$
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* Remove characters within a certain ASCII range from a string
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* $SYNTAX$
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* RANGEREM (<cChar1|nChar1>, <cChar2|nChar2>, <cString>) -> cString
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* $ARGUMENTS$
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* $RETURNS$
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* $DESCRIPTION$
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* TODO: add documentation
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* $EXAMPLES$
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* ? rangerem ("0","9","year2002.dbf") // "year.dbf", remove all digits
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* ? rangerem ("9","0","year2002.dbf") // "22", testing removal from "9" to chr(255)
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* // and from chr(0) to "0"
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* ? rangerem ("0","9","yearcurr.dbf") // "yearcurr.dbf", test leaving string untouched
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* $TESTS$
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* rangerem ("0","9","year2002.dbf") == "year.dbf"
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* rangerem ("9","0","year2002.dbf") == "22"
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* rangerem ("0","9","yearcurr.dbf") == "yearcurr.dbf"
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* $STATUS$
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* Started
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* $COMPLIANCE$
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* RANGEREM() is compatible with CT3's RANGEREM().
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* $PLATFORMS$
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* All
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* $FILES$
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* Source is range.c, library is libct.
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* $SEEALSO$
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* RANGEREPL()
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* $END$
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*/
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HB_FUNC( RANGEREM )
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{
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if( ( hb_parclen( 1 ) > 0 || ISNUM( 1 ) ) &&
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( hb_parclen( 2 ) > 0 || ISNUM( 2 ) ) && ISCHAR( 3 ) )
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{
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char *pcString = ( char * ) hb_parc( 3 );
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size_t sStrLen = ( size_t ) hb_parclen( 3 );
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char *pcRet;
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unsigned char *pc;
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unsigned char ucChar1, ucChar2;
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size_t sRetIndex;
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int iMode, iBool;
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if( ISCHAR( 1 ) )
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ucChar1 = *( ( unsigned char * ) hb_parc( 1 ) );
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else
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ucChar1 = ( unsigned char ) ( hb_parni( 1 ) % 256 );
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if( ISCHAR( 2 ) )
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ucChar2 = *( ( unsigned char * ) hb_parc( 2 ) );
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else
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ucChar2 = ( unsigned char ) ( hb_parni( 2 ) % 256 );
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iMode = ( ucChar2 < ucChar1 );
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pcRet = ( char * ) hb_xgrab( sStrLen + 1 );
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sRetIndex = 0;
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for( pc = ( unsigned char * ) pcString; pc < ( unsigned char * ) pcString + sStrLen; pc++ )
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{
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iBool = ( ( *pc ) >= ucChar1 );
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if( iMode )
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iBool |= ( ( *pc ) <= ucChar2 );
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else
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iBool &= ( ( *pc ) <= ucChar2 );
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if( !iBool )
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{
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*( pcRet + sRetIndex ) = *pc;
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sRetIndex++;
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}
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}
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hb_retclen( pcRet, sRetIndex );
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hb_xfree( pcRet );
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}
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else /* ( hb_parclen( 1 ) > 0 || ISNUM( 1 ) ) &&
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( hb_parclen( 2 ) > 0 || ISNUM( 2 ) ) && ISCHAR( 3 ) */
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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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{
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pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG,
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CT_ERROR_RANGEREM, NULL, "RANGEREM", 0,
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EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
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}
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if( pSubst != NULL )
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hb_itemReturnRelease( pSubst );
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else if( ISCHAR( 3 ) )
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hb_retclen( hb_parc( 3 ), hb_parclen( 3 ) );
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else
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hb_retc( NULL );
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}
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}
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/* $DOC$
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* $FUNCNAME$
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* RANGEREPL
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* $CATEGORY$
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* CT3 string functions
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* $ONELINER$
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* Replace characters within a certain ASCII range from a string
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* $SYNTAX$
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* RANGEREPL (<cChar1|nChar1>, <cChar2|nChar2>,
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* <[@]cString>, <cReplacementChar|nReplacementChar>) -> cString
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* $ARGUMENTS$
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* $RETURNS$
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* $DESCRIPTION$
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* TODO: add documentation
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* $EXAMPLES$
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* ? rangerepl ("0","9","year2002.dbf","?") // "year????.dbf", replace all digits
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* ? rangerepl ("9","0","year2002.dbf","?") // "????2??2????", testing replacement from "9" to chr(255)
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* // and from chr(0) to "0"
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* ? rangerepl ("0","9","yearcurr.dbf","?") // "yearcurr.dbf", test leaving string untouched
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* $TESTS$
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* rangerepl ("0","9","year2002.dbf","?") == "year????.dbf"
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* rangerepl ("9","0","year2002.dbf","?") == "????2??2????"
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* rangerepl ("0","9","yearcurr.dbf","?") == "yearcurr.dbf"
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* $STATUS$
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* Started
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* $COMPLIANCE$
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* RANGEREPL() is compatible with CT3's RANGEREPL().
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* $PLATFORMS$
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* All
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* $FILES$
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* Source is range.c, library is libct.
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* $SEEALSO$
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* RANGEREM()
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* $END$
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*/
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HB_FUNC( RANGEREPL )
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{
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int iNoRef = ct_getref() && ISBYREF( 3 );
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if( ( hb_parclen( 1 ) > 0 || ISNUM( 1 ) ) &&
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( hb_parclen( 2 ) > 0 || ISNUM( 2 ) ) &&
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ISCHAR( 3 ) && ( hb_parclen( 4 ) > 0 || ISNUM( 4 ) ) )
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{
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char *pcString = ( char * ) hb_parc( 3 );
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size_t sStrLen = ( size_t ) hb_parclen( 3 );
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char *pcRet;
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unsigned char *pc;
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unsigned char ucChar1, ucChar2, ucReplace;
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size_t sRetIndex;
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int iMode, iBool;
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if( ISCHAR( 1 ) )
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ucChar1 = *( ( unsigned char * ) hb_parc( 1 ) );
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else
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ucChar1 = ( unsigned char ) ( hb_parni( 1 ) % 256 );
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if( ISCHAR( 2 ) )
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ucChar2 = *( ( unsigned char * ) hb_parc( 2 ) );
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else
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ucChar2 = ( unsigned char ) ( hb_parni( 2 ) % 256 );
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if( ISCHAR( 4 ) )
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ucReplace = *( ( unsigned char * ) hb_parc( 4 ) );
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else
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ucReplace = ( unsigned char ) ( hb_parni( 4 ) % 256 );
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iMode = ( ucChar2 < ucChar1 );
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pcRet = ( char * ) hb_xgrab( sStrLen + 1 );
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sRetIndex = 0;
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for( pc = ( unsigned char * ) pcString; pc < ( unsigned char * ) pcString + sStrLen; pc++ )
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{
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iBool = ( ( *pc ) >= ucChar1 );
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if( iMode )
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iBool |= ( ( *pc ) <= ucChar2 );
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else
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iBool &= ( ( *pc ) <= ucChar2 );
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if( iBool )
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{
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*( pcRet + sRetIndex ) = ucReplace;
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sRetIndex++;
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}
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else
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{
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*( pcRet + sRetIndex ) = *pc;
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sRetIndex++;
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}
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}
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if( ISBYREF( 3 ) )
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hb_storclen( pcRet, sStrLen, 3 );
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if( iNoRef )
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/* Contrary to the official documentation, RANGREPL() returns NIL instead of .F.
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* in this situation. If the string is not passed by reference, it returns the
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* string regardless of iNoRef. */
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hb_ret();
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else
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hb_retclen( pcRet, sStrLen );
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hb_xfree( pcRet );
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}
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else /* ( hb_parclen( 1 ) > 0 || ISNUM( 1 ) ) &&
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( hb_parclen( 2 ) > 0 || ISNUM( 2 ) ) &&
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ISCHAR( 3 ) && ( hb_parclen( 4 ) > 0 || ISNUM( 4 ) ) */
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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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{
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pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG,
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CT_ERROR_RANGEREPL, NULL, "RANGEREPL", 0,
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EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
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}
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if( pSubst != NULL )
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hb_itemReturnRelease( pSubst );
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else if( iNoRef )
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hb_ret();
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else if( ISCHAR( 3 ) )
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hb_retclen( hb_parc( 3 ), hb_parclen( 3 ) );
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else
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hb_retc( NULL );
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}
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}
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