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/**
* Yudit Unicode Editor Source File
*
* GNU Copyright (C) 1997-2023 Gaspar Sinai <gaspar@yudit.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* dated June 1991. See file COPYYING for details.
*
* 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 program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef SPattern_h
#define SPattern_h
#include "stoolkit/STypes.h"
#include "stoolkit/SString.h"
#include "stoolkit/syntax/SMatcherIterator.h"
/**
* A regular expression pattern.
* @author Gaspar Sinai
* @version 2007-11-27
*/
class SPattern
{
public:
SPattern (void);
virtual ~SPattern ();
bool isValid () const { return valid; }
// This method updates matchBegin and matchEnd (exclusive)
// variables in case of a match, in case of no match, this
// will not be touched. Action will contain that action string.
virtual bool checkMatch ();
unsigned int matchBegin;
unsigned int matchEnd;
SString action;
// Actions
SString ACT_NONE;
SString ACT_ERROR;
SString ACT_NUMBER;
SString ACT_KEYWORD;
SString ACT_VARIABLE;
SString ACT_DEFINE;
SString ACT_CONTROL;
SString ACT_OTHER;
// Append a character and update the next to show how
// many characters we received so far.
void append (SS_UCS4 in);
unsigned int next;
void clear ();
protected:
SV_UCS4 current;
bool checkMatchTest ();
bool singleMatchTest (unsigned int leaveSize);
bool valid;
};
#endif /* SPattern_h */
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