Program Listing for File edge_iterator.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 <iterator>
#include <memory>

#include <basalt/fwd.hpp>

namespace basalt {

class EdgeIterator: public std::iterator<std::input_iterator_tag, const edge_uid_t> {
  public:
    template <EdgeOrientation Orientation>
    EdgeIterator(const GraphImpl<Orientation>& pimpl, size_t from);

    EdgeIterator(const EdgeIterator& other);

    EdgeIterator& operator++();

    const EdgeIterator operator++(int);

    bool operator==(const EdgeIterator& other) const;

    bool operator!=(const EdgeIterator& other) const;

    const value_type& operator*();

    using EdgeIteratorImpl_ptr = std::shared_ptr<EdgeIteratorImpl>;

  private:
    EdgeIteratorImpl_ptr pimpl_;
};

extern template EdgeIterator::EdgeIterator(
    const basalt::GraphImpl<EdgeOrientation::directed>& pimpl,
    size_t from);
extern template EdgeIterator::EdgeIterator(
    const basalt::GraphImpl<EdgeOrientation::undirected>& pimpl,
    size_t from);

}  // namespace basalt