Program Listing for File graph.hpp

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/*************************************************************************
 * Copyright (C) 2019 Blue Brain Project
 *
 * This file is part of Basalt distributed under the terms of the GNU
 * Lesser General Public License. See top-level LICENSE file for details.
 *************************************************************************/
#pragma once

#include <fstream>
#include <iosfwd>
#include <limits>
#include <memory>
#include <string>
#include <utility>
#include <vector>

#include <basalt/fwd.hpp>
#include <basalt/status.hpp>

namespace basalt {

template <EdgeOrientation Orientation>
class Graph {
  public:
    using vertex_const_iterator_t = std::iterator<std::input_iterator_tag, const vertex_t>;

    explicit Graph(const std::string& path);

    Graph(const std::string& path, const std::string& config);

    ~Graph();

    Edges<Orientation>& edges();

    Vertices<Orientation>& vertices();

    Status commit() __attribute__((warn_unused_result));

    std::string statistics() const;

  private:
    std::unique_ptr<GraphImpl<Orientation>> pimpl_;
};

using UndirectedGraph = Graph<EdgeOrientation::undirected>;

using DirectedGraph = Graph<EdgeOrientation::directed>;

extern template class Graph<EdgeOrientation::directed>;
extern template class Graph<EdgeOrientation::undirected>;

vertex_uid_t make_id(vertex_t type, vertex_id_t id);

}  // namespace basalt

std::ostream& operator<<(std::ostream& ostr, const basalt::vertex_uid_t& id);

std::ostream& operator<<(std::ostream& ostr, const basalt::vertex_uids_t& ids);

std::ostream& operator<<(std::ostream& ostr, const basalt::edge_uid_t& id);