/* Copyright (C) 2006 J.F.Dockes
* 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 of the License, 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 program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _STOPLIST_H_INCLUDED_
#define _STOPLIST_H_INCLUDED_
#include <set>
#include <string>
#ifndef NO_NAMESPACES
using std::set;
using std::string;
namespace Rcl
{
#endif
/**
* A StopList is just a bunch of strings read from a file.
*
* Some of the string may contain whitespace (that's for experimentation with
* stop n-grams), so we take care of dquotes while reading the file. We also
* lowercase and remove accents. The source file should be utf-8.
*/
class StopList {
public:
StopList() {}
StopList(const string &filename) {setFile(filename);}
virtual ~StopList() {}
bool setFile(const string &filename);
bool isStop(const string &term) const;
bool hasStops() const {return !m_stops.empty();}
private:
set<string> m_stops;
};
#ifndef NO_NAMESPACES
}
#endif
#endif /* _STOPLIST_H_INCLUDED_ */