include/xapian/valuesetmatchdecider.h

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/* Copyright 2008 Lemur Consulting Limited
 * Copyright 2008,2009,2011 Olly Betts
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H
#define XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H

#include <xapian/enquire.h>
#include <xapian/types.h>

#include <string>
#include <set>

namespace Xapian {

class Document;

class XAPIAN_VISIBILITY_DEFAULT ValueSetMatchDecider : public MatchDecider {
    std::set<std::string> testset;

    valueno valuenum;

    bool inclusive;

  public:
    ValueSetMatchDecider(Xapian::valueno slot, bool inclusive_)
        : valuenum(slot), inclusive(inclusive_) { }

    void add_value(const std::string& value)
    {
        testset.insert(value);
    }

    void remove_value(const std::string& value)
    {
        testset.erase(value);
    }

    bool operator()(const Xapian::Document& doc) const;
};

}

#endif /* XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H */

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