flirtlib: LogSensorStream.h Source File

00001 /*****************************************************************
00002  *
00003  * This file is part of the FLIRTLib project
00004  *
00005  * FLIRTLib Copyright (c) 2010 Gian Diego Tipaldi and Kai O. Arras 
00006  *
00007  * This software is licensed under the "Creative Commons 
00008  * License (Attribution-NonCommercial-ShareAlike 3.0)" 
00009  * and is copyrighted by Gian Diego Tipaldi and Kai O. Arras 
00010  * 
00011  * Further information on this license can be found at:
00012  * http://creativecommons.org/licenses/by-nc-sa/3.0/
00013  * 
00014  * FLIRTLib is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied 
00016  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00017  * PURPOSE.  
00018  *
00019  *****************************************************************/
00020 
00021 
00022 
00023 #ifndef LOGSENSORSTREAM_H_
00024 #define LOGSENSORSTREAM_H_
00025 
00026 #include <sensorstream/SensorStream.h>
00027 #include <sensorstream/LogReader.h>
00028 #include <sensorstream/LogWriter.h>
00029 #include <sensorstream/LogReader.h>
00030 #include <sensors/AbstractReading.h>
00031 
00032 #include <iostream>
00033 #include <fstream>
00034 #include <string>
00035 #include <vector>
00036 
00038 #define AVG_SIZE_LOG 1000 
00039 
00049 class LogSensorStream: public SensorStream {
00050     public:
00056         LogSensorStream(const LogReader* _reader, const LogWriter* _writer);
00058         LogSensorStream(const LogSensorStream& _stream);
00063         LogSensorStream& operator=(const LogSensorStream& _stream);
00065         virtual ~LogSensorStream();
00066         
00068         virtual const AbstractReading* next() const;
00070         virtual const AbstractReading* current() const;
00072         virtual bool seek(const unsigned int _position = 0, SensorStreamOffset _offset = BEGIN);
00074         virtual inline unsigned int tell() const {return m_index;}
00076         virtual inline bool isSeekable() const {return true;}
00078         virtual bool end() const;
00079         
00081         inline const std::vector<AbstractReading*>& getLog() const
00082             {return m_log;}
00084         inline const LogReader* getReader() const
00085             {return m_logReader;}
00087         inline const LogWriter* getWriter() const
00088             {return m_logWriter;}
00089         
00091         void load(const std::string& _filename);
00093         void save(const std::string& _filename);
00094     
00096         void load(std::istream& _stream);
00098         void save(std::ostream& _stream);
00099     
00100     protected:
00101         std::vector<AbstractReading*> m_log; 
00102         mutable unsigned int m_index; 
00103         const LogReader * m_logReader; 
00104         const LogWriter * m_logWriter; 
00105 };
00106 
00107 #endif