MessageHeader.h

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/******************************************************************************
 * Copyright (C) 2014 by Ralf Kaestner                                        *
 * ralf.kaestner@gmail.com                                                    *
 *                                                                            *
 * This program is free software; you can redistribute it and/or modify       *
 * it under the terms of the Lesser GNU General Public License as published by*
 * the Free Software Foundation; either version 3 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               *
 * Lesser GNU General Public License for more details.                        *
 *                                                                            *
 * You should have received a copy of the Lesser GNU General Public License   *
 * along with this program. If not, see <http://www.gnu.org/licenses/>.       *
 ******************************************************************************/

#ifndef VARIANT_TOPIC_TOOLS_MESSAGE_HEADER_H
#define VARIANT_TOPIC_TOOLS_MESSAGE_HEADER_H

#include <ros/ros.h>

#include <variant_topic_tools/Forwards.h>

namespace variant_topic_tools {
  class MessageHeader {
  friend class Message;
  friend class ros::serialization::PreDeserialize<Message>;
  public:
    MessageHeader();
    
    MessageHeader(const MessageHeader& src);
    
    ~MessageHeader();

    void setField(const std::string& name, const std::string& value);
    
    const std::string& getField(const std::string& name) const;
    
    void setPublisher(const std::string& publisher);
    
    const std::string& getPublisher() const;
    
    void setTopic(const std::string& topic);
    
    const std::string& getTopic() const;
    
    void setLatched(bool latched);
    
    bool isLatched() const;

    bool hasField(const std::string& name) const;
    
    std::string& operator[](const std::string& name);
    
    const std::string& operator[](const std::string& name) const;
    
  protected:
    typedef std::map<std::string, std::string> Fields;
    
    typedef boost::shared_ptr<std::map<std::string, std::string> > FieldsPtr;
    
    FieldsPtr fields;
    
    MessageHeader(const FieldsPtr& fields);
  };
};

#endif