registry.h

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/* Copyright 2009 Lemur Consulting Ltd
 * Copyright 2009,2011,2013,2014,2019,2024 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_REGISTRY_H
#define XAPIAN_INCLUDED_REGISTRY_H
 
#if !defined XAPIAN_IN_XAPIAN_H && !defined XAPIAN_LIB_BUILD
# error Never use <xapian/registry.h> directly; include <xapian.h> instead.
#endif
 
#include <xapian/intrusive_ptr.h>
#include <xapian/visibility.h>
#include <string>
 
namespace Xapian {
 
// Forward declarations.
class KeyMaker;
class LatLongMetric;
class MatchSpy;
class PostingSource;
class Weight;
 
class XAPIAN_VISIBILITY_DEFAULT Registry {
  public:
    class Internal;
 
  private:
    Xapian::Internal::intrusive_ptr_nonnull<Internal> internal;
 
  public:
    Registry(const Registry & other);
 
    Registry & operator=(const Registry & other);
 
    Registry(Registry && other);
 
    Registry & operator=(Registry && other);
 
    Registry();
 
    ~Registry();
 
    void register_weighting_scheme(const Xapian::Weight &wt);
 
    const Xapian::Weight* get_weighting_scheme(std::string_view name) const;
 
    void register_posting_source(const Xapian::PostingSource &source);
 
    const Xapian::PostingSource*
            get_posting_source(std::string_view name) const;
 
    void register_match_spy(const Xapian::MatchSpy &spy);
 
    const Xapian::MatchSpy* get_match_spy(std::string_view name) const;
 
    void register_lat_long_metric(const Xapian::LatLongMetric &metric);
 
    const Xapian::LatLongMetric*
            get_lat_long_metric(std::string_view name) const;
 
    void register_key_maker(Xapian::KeyMaker* keymaker);
 
    const Xapian::KeyMaker* get_key_maker(std::string_view name) const;
};
 
}
 
#endif /* XAPIAN_INCLUDED_REGISTRY_H */