Files
harbour-core/harbour/source/rtl/strmatch.c
Przemyslaw Czerpak 98d97eb695 2007-02-13 21:00 UTC+0100 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
* harbour/bin/hb-func.sh
    * do not pass linking parameters to GCC/G++ when is used for
      compilation only

  * harbour/contrib/rdd_ads/Makefile
    * set -DWIN32 for W32 compilation
  * harbour/contrib/rdd_ads/makefile.bc
    * formatting

  * harbour/include/hbapi.h
  * harbour/source/rtl/strcase.c
    + added hb_charUpper() and hb_charLower()

  * harbour/include/hbapigt.h
  * harbour/include/hbgtcore.h
  * harbour/source/rtl/gtapi.c
  * harbour/source/rtl/hbgtcore.c
    + added support for ALERT() on GT level - C functions: hb_gtAlert()/
      hb_gt_Alert()
      To replicate some details of Clipper and CT3 behavior ALERT() cannot
      be implement only on upper level as .prg function
  * harbour/source/rtl/gtfunc.c
    + added .prg function HB_GTALLERT()
  * harbour/source/rtl/alert.prg
    * redirected ALERT() to HB_GTALLERT()

  * harbour/source/rtl/fstemp.c
    * use the same case conversion as in low level hb_fs*() functions to
      avoid possible problems with national characters

  * harbour/source/rtl/dates.c
  * harbour/source/rtl/set.c
  * harbour/source/rtl/strmatch.c
  * harbour/source/rtl/transfrm.c
    * use hb_charUpper()
    * casting
2007-02-13 19:59:41 +00:00

273 lines
8.4 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* String matching functions
*
* Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
* 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.
*
*/
#include <ctype.h>
#include "hbapi.h"
static BOOL hb_strMatchDOS( const char * pszString, const char * pszMask )
{
HB_TRACE(HB_TR_DEBUG, ("hb_strMatchDOS(%s, %s)", pszString, pszMask));
while( *pszMask != '\0' && *pszString != '\0' )
{
if( *pszMask == '*' )
{
while( *pszMask == '*' )
pszMask++;
if( *pszMask == '\0' )
return TRUE;
else if( *pszMask == '?' )
pszString++;
else
{
while( hb_charUpper( *pszString ) != hb_charUpper( *pszMask ) )
{
if( *( ++pszString ) == '\0' )
return FALSE;
}
while( hb_charUpper( *pszString ) == hb_charUpper( *pszMask ) )
{
if( *( ++pszString ) == '\0' )
break;
}
pszMask++;
}
}
else if( hb_charUpper( *pszMask ) != hb_charUpper( *pszString ) && *pszMask != '?' )
return FALSE;
else
{
pszMask++;
pszString++;
}
}
return ! ( ( *pszMask != '\0' && *pszString == '\0' && *pszMask != '*') ||
( *pszMask == '\0' && *pszString != '\0' ) );
}
#define HB_MAX_WILDPATTERN 256
HB_EXPORT BOOL hb_strMatchWild( const char *szString, const char *szPattern )
{
BOOL fMatch = TRUE, fAny = FALSE;
ULONG pulBufPosP[ HB_MAX_WILDPATTERN ], pulBufPosV[ HB_MAX_WILDPATTERN ],
ulBufSize = HB_MAX_WILDPATTERN;
ULONG * ulAnyPosP = pulBufPosP, * ulAnyPosV = pulBufPosV,
ulSize, ulLen, ulAny, i, j;
i = j = ulAny = 0;
ulLen = strlen( szString );
ulSize = strlen( szPattern );
while ( i < ulSize )
{
if ( szPattern[i] == '*' )
{
fAny = TRUE;
i++;
}
else if ( j < ulLen && ( szPattern[i] == '?' || szPattern[i] == szString[j] ) )
{
if ( fAny )
{
if ( ulAny >= ulBufSize )
{
if( ( ulBufSize <<= 1 ) == ( HB_MAX_WILDPATTERN << 1 ) )
{
ulAnyPosP = ( ULONG * ) hb_xgrab( ulBufSize * sizeof( ULONG ) );
ulAnyPosV = ( ULONG * ) hb_xgrab( ulBufSize * sizeof( ULONG ) );
memcpy( ulAnyPosP, pulBufPosP, HB_MAX_WILDPATTERN * sizeof( ULONG ) );
memcpy( ulAnyPosV, pulBufPosV, HB_MAX_WILDPATTERN * sizeof( ULONG ) );
}
else
{
ulAnyPosP = ( ULONG * ) hb_xrealloc( ulAnyPosP, ulBufSize * sizeof( ULONG ) );
ulAnyPosV = ( ULONG * ) hb_xrealloc( ulAnyPosV, ulBufSize * sizeof( ULONG ) );
}
}
ulAnyPosP[ulAny] = i;
ulAnyPosV[ulAny] = j;
ulAny++;
fAny = FALSE;
}
j++;
i++;
}
else if ( fAny && j < ulLen )
{
j++;
}
else if ( ulAny > 0 )
{
ulAny--;
i = ulAnyPosP[ulAny];
j = ulAnyPosV[ulAny] + 1;
fAny = TRUE;
}
else
{
fMatch = FALSE;
break;
}
}
if( ulBufSize > HB_MAX_WILDPATTERN )
{
hb_xfree( ulAnyPosP );
hb_xfree( ulAnyPosV );
}
return fMatch;
}
HB_EXPORT BOOL hb_strMatchWildExact( const char *szString, const char *szPattern )
{
BOOL fMatch = TRUE, fAny = FALSE;
ULONG pulBufPosP[ HB_MAX_WILDPATTERN ], pulBufPosV[ HB_MAX_WILDPATTERN ],
ulBufSize = HB_MAX_WILDPATTERN;
ULONG * ulAnyPosP = pulBufPosP, * ulAnyPosV = pulBufPosV,
ulSize, ulLen, ulAny, i, j;
i = j = ulAny = 0;
ulLen = strlen( szString );
ulSize = strlen( szPattern );
while ( i < ulSize || ( j < ulLen && !fAny ) )
{
if ( i < ulSize && szPattern[i] == '*' )
{
fAny = TRUE;
i++;
}
else if ( j < ulLen && i < ulSize &&
( szPattern[i] == '?' || szPattern[i] == szString[j] ) )
{
if ( fAny )
{
if ( ulAny >= ulBufSize )
{
if( ( ulBufSize <<= 1 ) == ( HB_MAX_WILDPATTERN << 1 ) )
{
ulAnyPosP = ( ULONG * ) hb_xgrab( ulBufSize * sizeof( ULONG ) );
ulAnyPosV = ( ULONG * ) hb_xgrab( ulBufSize * sizeof( ULONG ) );
memcpy( ulAnyPosP, pulBufPosP, HB_MAX_WILDPATTERN * sizeof( ULONG ) );
memcpy( ulAnyPosV, pulBufPosV, HB_MAX_WILDPATTERN * sizeof( ULONG ) );
}
else
{
ulAnyPosP = ( ULONG * ) hb_xrealloc( ulAnyPosP, ulBufSize * sizeof( ULONG ) );
ulAnyPosV = ( ULONG * ) hb_xrealloc( ulAnyPosV, ulBufSize * sizeof( ULONG ) );
}
}
ulAnyPosP[ulAny] = i;
ulAnyPosV[ulAny] = j;
ulAny++;
fAny = FALSE;
}
j++;
i++;
}
else if ( fAny && j < ulLen )
{
j++;
}
else if ( ulAny > 0 )
{
ulAny--;
i = ulAnyPosP[ulAny];
j = ulAnyPosV[ulAny] + 1;
fAny = TRUE;
}
else
{
fMatch = FALSE;
break;
}
}
if( ulBufSize > HB_MAX_WILDPATTERN )
{
hb_xfree( ulAnyPosP );
hb_xfree( ulAnyPosV );
}
return fMatch;
}
HB_FUNC( WILDMATCH )
{
hb_retl( ( ! ISCHAR( 1 ) || ! ISCHAR( 2 ) ) ? FALSE :
hb_parl( 3 ) ? hb_strMatchWildExact( hb_parc( 2 ), hb_parc( 1 ) ) :
hb_strMatchWild( hb_parc( 2 ), hb_parc( 1 ) ) );
}
/* TODO: Replace it with a code that supports real regular expressions
*
*/
BOOL hb_strMatchRegExp( const char * szString, const char * szMask )
{
HB_TRACE(HB_TR_DEBUG, ("hb_strMatchRegExp(%s, %s)", szString, szMask));
return hb_strMatchDOS( szString, szMask );
}
/*
* WildMatch( cPattern, cValue [, lExact] ) compares
* cValue with cPattern, cPattern * may contain wildcard characters (?*)
* When lExact is TRUE then it will check if whole cValue is covered by
* cPattern else if will check if cPatern is a prefix of cValue
*/
HB_FUNC( HB_WILDMATCH )
{
hb_retl( ( ! ISCHAR( 1 ) || ! ISCHAR( 2 ) ) ? FALSE :
hb_parl( 3 ) ? hb_strMatchWildExact( hb_parc( 2 ), hb_parc( 1 ) ) :
hb_strMatchWild( hb_parc( 2 ), hb_parc( 1 ) ) );
}