valuesetmatchdecider.h

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/* Copyright 2008 Lemur Consulting Ltd
 * Copyright 2008,2009,2011,2013,2014,2017 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, see
 * <https://www.gnu.org/licenses/>.
 */
 
#ifndef XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H
#define XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H
 
#if !defined XAPIAN_IN_XAPIAN_H && !defined XAPIAN_LIB_BUILD
# error Never use <xapian/valuesetmatchdecider.h> directly; include <xapian.h> instead.
#endif
 
#include <xapian/matchdecider.h>
#include <xapian/types.h>
#include <xapian/visibility.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 */