8ae2d0e27f
* harbour/include/hbdefs.h
* harbour/src/rdd/dbfntx/dbfntx1.c
* harbour/src/rdd/dbfnsx/dbfnsx1.c
* harbour/src/rdd/dbfcdx/dbfcdx1.c
* harbour/src/rdd/dbffpt/dbffpt1.c
* harbour/contrib/hbct/token2.c
* harbour/contrib/hbct/charsort.c
* harbour/contrib/hbct/charop.c
* harbour/contrib/hbct/pos1.c
* harbour/contrib/hbct/token1.c
* harbour/contrib/hbct/pack.c
* harbour/contrib/hbct/range.c
* harbour/contrib/sddmy/sddmy.c
* harbour/contrib/xhb/hbcrypt.c
* harbour/contrib/xhb/xhbsave.c
* harbour/contrib/xhb/txtline.c
* harbour/contrib/xhb/cstructc.c
* harbour/contrib/hbmzip/hbmzip.c
* harbour/contrib/sddsqlt3/sddsqlt3.c
* cleaned const pointer casting
396 lines
12 KiB
C
396 lines
12 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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* CT3 string functions
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* - CHARADD()
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* - CHARAND()
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* - CHARNOT()
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* - CHAROR()
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* - CHARXOR()
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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://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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/* helper function */
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void ct_charop( int iMode )
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{
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/* suppressing return value ? */
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int iNoRet = ct_getref() && HB_ISBYREF( 1 );
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if( HB_ISCHAR( 1 ) )
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{
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HB_SIZE sStrLen = hb_parclen( 1 );
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HB_SIZE sPos;
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const unsigned char * pucString = ( const unsigned char * ) hb_parc( 1 );
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unsigned char * pucResult;
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if( sStrLen == 0 )
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{
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if( iNoRet )
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hb_ret();
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else
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hb_retc_null();
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return;
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}
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pucResult = ( unsigned char * ) hb_xgrab( sStrLen + 1 );
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switch ( iMode )
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{
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/* NOT */
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case CT_CHAROP_CHARNOT:
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = ~pucString[ sPos ];
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break;
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/* SHL */
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case CT_CHAROP_CHARSHL:
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{
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int iSHL = hb_parni( 2 ) % 8; /* defaults to 0 */
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if( iSHL == 0 )
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hb_xmemcpy( pucResult, pucString, sStrLen );
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else
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = pucString[ sPos ] << iSHL;
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break;
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}
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/* SHR */
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case CT_CHAROP_CHARSHR:
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{
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int iSHR = hb_parni( 2 ) % 8; /* defaults to 0 */
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if( iSHR == 0 )
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hb_xmemcpy( pucResult, pucString, sStrLen );
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else
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = pucString[ sPos ] >> iSHR;
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break;
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}
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/* RLL */
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case CT_CHAROP_CHARRLL:
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{
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int iRLL = hb_parni( 2 ) % 8; /* defaults to 0 */
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hb_xmemcpy( pucResult, pucString, sStrLen );
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if( iRLL != 0 )
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for( sPos = 0; sPos < sStrLen; ++sPos )
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{
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int iRLLCnt;
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for( iRLLCnt = 0; iRLLCnt < iRLL; iRLLCnt++ )
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if( pucResult[ sPos ] & 0x80 ) /* most left bit set -> roll over */
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{
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pucResult[ sPos ] <<= 1;
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pucResult[ sPos ] |= 0x01;
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}
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else
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{
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pucResult[ sPos ] <<= 1;
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}
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}
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break;
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}
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/* RLR */
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case CT_CHAROP_CHARRLR:
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{
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int iRLR = hb_parni( 2 ) % 8; /* defaults to 0 */
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hb_xmemcpy( pucResult, pucString, sStrLen );
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if( iRLR != 0 )
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{
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for( sPos = 0; sPos < sStrLen; ++sPos )
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{
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int iRLRCnt;
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for( iRLRCnt = 0; iRLRCnt < iRLR; iRLRCnt++ )
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{
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if( pucResult[ sPos ] & 0x01 ) /* most right bit set -> roll over */
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{
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pucResult[ sPos ] >>= 1;
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pucResult[ sPos ] |= 0x80;
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}
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else
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pucResult[ sPos ] >>= 1;
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}
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}
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}
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break;
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}
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/* ADD */
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case CT_CHAROP_CHARADD:
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{
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if( HB_ISCHAR( 2 ) )
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{
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const char * pucString2 = hb_parc( 2 );
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HB_SIZE sStrLen2 = hb_parclen( 2 );
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = ( char ) ( pucString[ sPos ] + pucString2[ sStrLen2 ? ( sPos % sStrLen2 ) : 0 ] );
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}
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else
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{
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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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ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_CHARADD,
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NULL, HB_ERR_FUNCNAME, 0,
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EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
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}
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hb_xmemcpy( pucResult, pucString, sStrLen );
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}
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break;
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}
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/* SUB */
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case CT_CHAROP_CHARSUB:
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{
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if( HB_ISCHAR( 2 ) )
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{
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const char * pucString2 = hb_parc( 2 );
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HB_SIZE sStrLen2 = hb_parclen( 2 );
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = ( char ) ( pucString[ sPos ] - pucString2[ sStrLen2 ? ( sPos % sStrLen2 ) : 0 ] );
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}
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else
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{
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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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ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_CHARSUB,
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NULL, HB_ERR_FUNCNAME, 0,
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EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
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}
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hb_xmemcpy( pucResult, pucString, sStrLen );
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}
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break;
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}
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/* AND */
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case CT_CHAROP_CHARAND:
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{
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if( HB_ISCHAR( 2 ) )
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{
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const char * pucString2 = hb_parc( 2 );
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HB_SIZE sStrLen2 = hb_parclen( 2 );
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = ( char ) ( pucString[ sPos ] & pucString2[ sStrLen2 ? ( sPos % sStrLen2 ) : 0 ] );
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}
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else
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{
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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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ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_CHARAND, NULL, HB_ERR_FUNCNAME, 0,
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EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
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}
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hb_xmemcpy( pucResult, pucString, sStrLen );
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}
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break;
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}
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/* OR */
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case CT_CHAROP_CHAROR:
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{
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if( HB_ISCHAR( 2 ) )
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{
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const char * pucString2 = hb_parc( 2 );
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HB_SIZE sStrLen2 = hb_parclen( 2 );
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = ( char ) ( pucString[ sPos ] | pucString2[ sStrLen2 ? ( sPos % sStrLen2 ) : 0 ] );
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}
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else
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{
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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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ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_CHAROR, NULL, HB_ERR_FUNCNAME, 0,
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EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
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}
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hb_xmemcpy( pucResult, pucString, sStrLen );
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}
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break;
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}
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/* XOR */
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case CT_CHAROP_CHARXOR:
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{
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if( HB_ISCHAR( 2 ) )
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{
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const char * pucString2 = hb_parc( 2 );
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HB_SIZE sStrLen2 = hb_parclen( 2 );
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for( sPos = 0; sPos < sStrLen; ++sPos )
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pucResult[ sPos ] = ( char ) ( pucString[ sPos ] ^ pucString2[ sStrLen2 ? ( sPos % sStrLen2 ) : 0 ] );
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}
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else
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{
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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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ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_CHARXOR, NULL, HB_ERR_FUNCNAME, 0,
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EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
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}
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hb_xmemcpy( pucResult, pucString, sStrLen );
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}
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break;
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}
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} /* endswitch( iMode ) */
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if( HB_ISBYREF( 1 ) )
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hb_storclen( ( char * ) pucResult, sStrLen, 1 );
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if( iNoRet )
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hb_xfree( pucResult );
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else
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hb_retclen_buffer( ( char * ) pucResult, sStrLen );
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}
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else /* if( HB_ISCHAR( 1 ) ) */
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{
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PHB_ITEM pSubst = NULL;
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int iArgErrorMode = ct_getargerrormode();
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int iError = 0;
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if( iArgErrorMode != CT_ARGERR_IGNORE )
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{
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switch ( iMode )
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{
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case CT_CHAROP_CHARADD:
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iError = CT_ERROR_CHARADD;
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break;
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case CT_CHAROP_CHARSUB:
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iError = CT_ERROR_CHARSUB;
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break;
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case CT_CHAROP_CHARAND:
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iError = CT_ERROR_CHARAND;
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break;
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case CT_CHAROP_CHARNOT:
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iError = CT_ERROR_CHARNOT;
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break;
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case CT_CHAROP_CHAROR:
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iError = CT_ERROR_CHAROR;
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break;
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case CT_CHAROP_CHARXOR:
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iError = CT_ERROR_CHARXOR;
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break;
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case CT_CHAROP_CHARSHL:
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iError = CT_ERROR_CHARSHL;
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break;
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case CT_CHAROP_CHARSHR:
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iError = CT_ERROR_CHARSHR;
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break;
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case CT_CHAROP_CHARRLL:
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iError = CT_ERROR_CHARRLL;
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break;
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case CT_CHAROP_CHARRLR:
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iError = CT_ERROR_CHARRLR;
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break;
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}
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pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG, iError,
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NULL, HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
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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
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hb_ret();
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}
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}
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HB_FUNC( CHARADD )
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{
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ct_charop( CT_CHAROP_CHARADD );
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}
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HB_FUNC( CHARAND )
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{
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ct_charop( CT_CHAROP_CHARAND );
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}
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HB_FUNC( CHARNOT )
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{
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ct_charop( CT_CHAROP_CHARNOT );
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}
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HB_FUNC( CHAROR )
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{
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ct_charop( CT_CHAROP_CHAROR );
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}
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HB_FUNC( CHARXOR )
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{
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ct_charop( CT_CHAROP_CHARXOR );
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}
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