LogPlay.hh

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/*
 * Copyright (C) 2012-2014 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/

#ifndef _LOGPLAY_HH_
#define _LOGPLAY_HH_

#include <tinyxml.h>

#include <list>
#include <string>
#include <fstream>

#include "gazebo/common/SingletonT.hh"

namespace gazebo
{
  namespace util
  {

    class LogPlay : public SingletonT<LogPlay>
    {
      private: LogPlay();

      private: virtual ~LogPlay();

      public: void Open(const std::string &_logFile);

      public: bool IsOpen() const;

      public: std::string GetLogVersion() const;

      public: std::string GetGazeboVersion() const;

      public: uint32_t GetRandSeed() const;

      public: bool Step(std::string &_data);

      public: unsigned int GetChunkCount() const;

      public: bool GetChunk(unsigned int _index, std::string &_data);

      public: std::string GetEncoding() const;

      public: std::string GetHeader() const;

      private: bool GetChunkData(TiXmlElement *_xml, std::string &_data);

      private: void ReadHeader();

      private: TiXmlDocument xmlDoc;

      private: TiXmlElement *logStartXml;

      private: TiXmlElement *logCurrXml;

      private: std::string filename;

      private: std::string logVersion;

      private: std::string gazeboVersion;

      private: uint32_t randSeed;

      private: std::string encoding;

      private: std::string currentChunk;

      private: friend class SingletonT<LogPlay>;
    };
  }
}

#endif