track_operation.h

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/* Tide
 *
 * Header for the track operation elements.
 *
 * Copyright 2011 Geoffrey Biggs geoffrey.biggs@aist.go.jp
 *     RT-Synthesis Research Group
 *     Intelligent Systems Research Institute,
 *     National Institute of Advanced Industrial Science and Technology (AIST),
 *     Japan
 *     All rights reserved.
 *
 * This file is part of Tide.
 *
 * Tide 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.
 *
 * Tide 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Tide. If not, see <http://www.gnu.org/licenses/>.
 */

#if !defined(TIDE_TRACK_OPERATION_H_)
#define TIDE_TRACK_OPERATION_H_

#include <boost/operators.hpp>
#include <boost/smart_ptr.hpp>
#include <tide/el_ids.h>
#include <tide/master_element.h>
#include <tide/uint_element.h>
#include <tide/win_dll.h>
#include <vector>


namespace tide
{
    class TIDE_EXPORT TrackOperationBase : public MasterElement
    {
        public:
            TrackOperationBase(ids::ID id)
                : MasterElement(id)
            {}

            virtual ~TrackOperationBase() {}

            virtual std::string type() const = 0;

            typedef boost::shared_ptr<TrackOperationBase> Ptr;
    }; // class TrackOperationBase


    class TIDE_EXPORT TrackJoinBlocks : public TrackOperationBase,
            public boost::equality_comparable<TrackJoinBlocks>
    {
        public:
            TrackJoinBlocks();

            ~TrackJoinBlocks() {}

            std::string type() const
            {
                return "joinblocks";
            }

            void append(uint64_t uid);

            uint64_t remove(unsigned int pos);

            uint64_t operator[](unsigned int pos) const;

            unsigned int count() const { return uids_.size(); }


            virtual std::streamsize write_body(std::ostream& output);

            friend bool operator==(TrackJoinBlocks const& lhs,
                    TrackJoinBlocks const& rhs);

        protected:
            std::vector<UIntElement> uids_;

            virtual std::streamsize body_size() const;

            virtual std::streamsize read_body(std::istream& input,
                    std::streamsize size);
    }; // class TrackJoinBlocks


    inline bool operator==(TrackJoinBlocks const& lhs,
            TrackJoinBlocks const& rhs)
    {
        return lhs.uids_ == rhs.uids_;
    }
}; // namespace tide

// group elements

#endif // TIDE_TRACK_OPERATION_H_