backends/inmemory/inmemory_alltermslist.h

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/* inmemory_alltermslist.h
 *
 * ----START-LICENCE----
 * Copyright 1999,2000,2001 BrightStation PLC
 * Copyright 2003 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 * -----END-LICENCE-----
 */

#ifndef OM_HGUARD_INMEMORY_ALLTERMSLIST_H
#define OM_HGUARD_INMEMORY_ALLTERMSLIST_H

#include "alltermslist.h"
#include "inmemory_database.h"

class InMemoryAllTermsList : public AllTermsList
{
    private:
        InMemoryAllTermsList(const InMemoryAllTermsList &);

        void operator=(const InMemoryAllTermsList &);

        const std::map<string, InMemoryTerm> *tmap;

        std::map<string, InMemoryTerm>::const_iterator it;

        Xapian::Internal::RefCntPtr<const InMemoryDatabase> database;

        bool started;

        string prefix;
    public:
        InMemoryAllTermsList(const std::map<string, InMemoryTerm> *tmap_,
                             Xapian::Internal::RefCntPtr<const InMemoryDatabase> database_,
                             const string & prefix);

        ~InMemoryAllTermsList();

        // Gets current termname
        string get_termname() const;

        // Get num of docs indexed by term
        Xapian::doccount get_termfreq() const;

        // Get num of docs indexed by term
        Xapian::termcount get_collection_freq() const;

        TermList * skip_to(const string &tname);

        TermList * next();

        // True if we're off the end of the list
        bool at_end() const;
};

#endif /* OM_HGUARD_INMEMORY_ALLTERMSLIST_H */

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