multi_alltermslist.h

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/* Copyright (C) 2007,2008,2011,2017,2024 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_MULTI_ALLTERMSLIST_H
#define XAPIAN_INCLUDED_MULTI_ALLTERMSLIST_H
 
#include "backends/alltermslist.h"
 
#include <string>
 
namespace Xapian {
class Database;
}
 
class MultiAllTermsList : public AllTermsList {
    void operator=(const MultiAllTermsList &);
 
    MultiAllTermsList(const MultiAllTermsList &);
 
    /* Current termname (now in base class).
     *
     * If current_term.empty(), then either we haven't started yet (and
     * count != 0) or we've reached the end (and count == 0).
     */
 
    mutable Xapian::doccount current_termfreq;
 
    mutable size_t count;
 
    TermList** termlists;
 
  public:
    MultiAllTermsList(size_t count_, TermList** termlists_);
 
    ~MultiAllTermsList();
 
    Xapian::termcount get_approx_size() const;
 
    Xapian::doccount get_termfreq() const;
 
    TermList *next();
 
    TermList* skip_to(std::string_view term);
};
 
#endif // XAPIAN_INCLUDED_MULTI_ALLTERMSLIST_H