honey_valuelist.h

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/* Copyright (C) 2007,2008,2009,2011 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, see
 * <https://www.gnu.org/licenses/>.
 */
 
#ifndef XAPIAN_INCLUDED_HONEY_VALUELIST_H
#define XAPIAN_INCLUDED_HONEY_VALUELIST_H
 
#include "backends/valuelist.h"
#include "honey_values.h"
 
class HoneyCursor;
class HoneyDatabase;
 
class HoneyValueList : public Xapian::ValueIterator::Internal {
    void operator=(const HoneyValueList&);
 
    HoneyValueList(const HoneyValueList&);
 
    HoneyCursor* cursor = nullptr;
 
    Honey::ValueChunkReader reader;
 
    Xapian::valueno slot;
 
    Xapian::Internal::intrusive_ptr<const HoneyDatabase> db;
 
    bool update_reader();
 
  public:
    HoneyValueList(Xapian::valueno slot_, const HoneyDatabase* db_)
        : slot(slot_), db(db_) { }
 
    ~HoneyValueList();
 
    Xapian::docid get_docid() const;
 
    Xapian::valueno get_valueno() const;
 
    std::string get_value() const;
 
    bool at_end() const;
 
    void next();
 
    void skip_to(Xapian::docid);
 
    std::string get_description() const;
};
 
#endif // XAPIAN_INCLUDED_HONEY_VALUELIST_H