documentvaluelist.h

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/* Copyright (C) 2007,2008,2009,2011,2017 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_DOCUMENTVALUELIST_H
#define XAPIAN_INCLUDED_DOCUMENTVALUELIST_H
 
#include "backends/valuelist.h"
 
#include "backends/documentinternal.h"
 
#include <map>
 
class DocumentValueList final : public ValueList {
    void operator=(const DocumentValueList &) = delete;
 
    DocumentValueList(const DocumentValueList &) = delete;
 
    Xapian::Internal::intrusive_ptr<const Xapian::Document::Internal> doc;
 
    std::map<Xapian::valueno, std::string>::const_iterator it;
 
  public:
    explicit DocumentValueList(const Xapian::Document::Internal* doc_)
        : doc(doc_), it(doc->values->end()) { }
 
    Xapian::docid get_docid() const;
 
    std::string get_value() const;
 
    Xapian::valueno get_valueno() const;
 
    bool at_end() const;
 
    void next();
 
    void skip_to(Xapian::docid slot);
 
    std::string get_description() const;
};
 
#endif // XAPIAN_INCLUDED_DOCUMENTVALUELIST_H