recursive_link_iterator.hpp

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//
// (c) Copyright 2017 DESY,ESS
//
// This file is part of h5cpp.
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
// License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the
// Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor
// Boston, MA  02110-1301 USA
// ===========================================================================
//
// Author: Eugen Wintersberger <eugen.wintersberger@desy.de>
// Created on: Nov 20, 2017
//
#pragma once
 
#include <functional>
#include <h5cpp/node/group.hpp>
#include <h5cpp/node/link_iterator.hpp>
#include <h5cpp/core/windows.hpp>
 
namespace hdf5 {
namespace node {
 
class DLL_EXPORT RecursiveLinkIterator
{
  public:
    using value_type = Link;
    using pointer = value_type*;
    using reference = value_type&;
    using difference_type = ssize_t;
    using iterator_category = std::forward_iterator_tag;
 
    RecursiveLinkIterator() = delete;
 
    static RecursiveLinkIterator begin(const Group &current_group);
 
    static RecursiveLinkIterator end(const Group &current_group);
 
 
    Link operator*() const;
    Link *operator->();
    RecursiveLinkIterator &operator++();
    RecursiveLinkIterator operator++(int);
    bool operator==(const RecursiveLinkIterator &rhs) const;
    bool operator!=(const RecursiveLinkIterator &rhs) const;
 
  private:
    RecursiveLinkIterator(const Group &current_group,
                          RecursiveLinkIterator parent_iterator);
    RecursiveLinkIterator(const Group &current_group);
 
    using IteratorPointer = std::shared_ptr<RecursiveLinkIterator>;
 
    Group           current_group_;
 
    LinkIterator    current_iterator_;
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251)
#endif
    IteratorPointer parent_iterator_;
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
 
 
};
 
} // namespace node
} // namespace hdf5