/tags/beta3/harbour/source/rtl/hbregexc.c
C | 164 lines | 91 code | 21 blank | 52 comment | 13 complexity | c171a81b426bbdb4d989ee3f2c1ab3a3 MD5 | raw file
Possible License(s): AGPL-1.0, BSD-3-Clause, CC-BY-SA-3.0, LGPL-3.0, GPL-2.0, LGPL-2.0, LGPL-2.1
- /*
- * $Id: hbregexc.c 7547 2007-06-13 22:34:17Z $
- */
- /*
- * Harbour Project source code:
- *
- *
- * Copyright 2007 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
- * www - http://www.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.
- *
- */
- /* #define HB_PCRE_REGEX */
- #define _HB_REGEX_INTERNAL_
- #include "hbregex.h"
- #include "hbapiitm.h"
- #include "hbapierr.h"
- static void hb_regfree( PHB_REGEX pRegEx )
- {
- HB_SYMBOL_UNUSED( pRegEx );
- }
- static int hb_regcomp( PHB_REGEX pRegEx, const char * szRegEx )
- {
- HB_SYMBOL_UNUSED( pRegEx );
- HB_SYMBOL_UNUSED( szRegEx );
- return -1;
- }
- static int hb_regexec( PHB_REGEX pRegEx, const char * szString, ULONG ulLen,
- int iMatches, HB_REGMATCH * aMatches )
- {
- HB_SYMBOL_UNUSED( pRegEx );
- HB_SYMBOL_UNUSED( szString );
- HB_SYMBOL_UNUSED( ulLen );
- HB_SYMBOL_UNUSED( iMatches );
- HB_SYMBOL_UNUSED( aMatches );
- return -1;
- }
- static HB_REG_FREE s_reg_free = hb_regfree;
- static HB_REG_COMP s_reg_comp = hb_regcomp;
- static HB_REG_EXEC s_reg_exec = hb_regexec;
- void hb_regexInit( HB_REG_FREE pFree, HB_REG_COMP pComp, HB_REG_EXEC pExec )
- {
- s_reg_free = pFree;
- s_reg_comp = pComp;
- s_reg_exec = pExec;
- }
- /* This releases regex when called from the garbage collector */
- HB_GARBAGE_FUNC( hb_regexRelease )
- {
- ( s_reg_free )( ( PHB_REGEX ) Cargo );
- }
- PHB_REGEX hb_regexCompile( const char *szRegEx, ULONG ulLen, int iFlags )
- {
- PHB_REGEX pRegEx;
- HB_SYMBOL_UNUSED( ulLen );
- pRegEx = ( PHB_REGEX ) hb_gcAlloc( sizeof( HB_REGEX ), hb_regexRelease );
- hb_gcLock( pRegEx );
- memset( pRegEx, 0, sizeof( HB_REGEX ) );
- pRegEx->fFree = TRUE;
- pRegEx->iFlags = iFlags;
- if( ( s_reg_comp )( pRegEx, szRegEx ) != 0 )
- {
- hb_gcFree( pRegEx );
- pRegEx = NULL;
- }
- return pRegEx;
- }
- PHB_REGEX hb_regexGet( PHB_ITEM pRegExItm, int iFlags )
- {
- PHB_REGEX pRegEx = NULL;
- if( pRegExItm )
- {
- if( HB_IS_POINTER( pRegExItm ) )
- {
- pRegEx = ( PHB_REGEX ) hb_itemGetPtrGC( pRegExItm, hb_regexRelease );
- }
- else if( HB_IS_STRING( pRegExItm ) )
- {
- ULONG ulLen = hb_itemGetCLen( pRegExItm );
- char * szRegEx = hb_itemGetCPtr( pRegExItm );
- if( ulLen > 0 )
- pRegEx = hb_regexCompile( szRegEx, ulLen, iFlags );
- }
- }
- if( !pRegEx )
- hb_errRT_BASE_SubstR( EG_ARG, 3012, "Invalid Regular expression", &hb_errFuncName, 1, pRegExItm );
- return pRegEx;
- }
- void hb_regexFree( PHB_REGEX pRegEx )
- {
- if( pRegEx && pRegEx->fFree )
- {
- ( s_reg_free )( pRegEx );
- hb_gcFree( pRegEx );
- }
- }
- BOOL hb_regexMatch( PHB_REGEX pRegEx, const char *szString, ULONG ulLen, BOOL fFull )
- {
- HB_REGMATCH aMatches[ HB_REGMATCH_SIZE( 1 ) ];
- BOOL fMatch;
- fMatch = ( s_reg_exec )( pRegEx, szString, ulLen, 1, aMatches ) > 0;
- return fMatch && ( !fFull ||
- ( HB_REGMATCH_SO( aMatches, 0 ) == 0 &&
- HB_REGMATCH_EO( aMatches, 0 ) == ( int ) ulLen ) );
- }