180 lines
3.7 KiB
C++
180 lines
3.7 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//paragraph [1] Title: [{\Large \bf \begin {center}] [\end {center}}]
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//[TOC] [\tableofcontents]
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//[_] [\_]
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[1] Header File of the GPXFileReader
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January-April, 2012. Matthias Roth
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[TOC]
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1 Overview
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This header file essentially contains the definition of the class
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~GPXFileReader~.
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2 Defines and includes
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*/
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#ifndef __GPX_FILE_READER_H__
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#define __GPX_FILE_READER_H__
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#include "MapMatchingUtil.h"
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class MPoint;
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class MInt;
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class MReal;
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#include <Algebras/Spatial/Point.h>
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#include <DateTime.h>
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#include <StandardTypes.h>
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#include <Algebras/Temporal/TemporalAlgebra.h>
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#ifdef SECONDO_WIN32
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#include <memory>
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#else
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#include <memory>
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#endif
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typedef struct _xmlDoc xmlDoc;
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typedef xmlDoc *xmlDocPtr;
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typedef struct _xmlNode xmlNode;
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typedef xmlNode *xmlNodePtr;
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namespace mapmatch {
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typedef std::shared_ptr<class CTrkPointIterator> TrkPointIteratorPtr;
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/*
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3 class GPXFileReader
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Reads the data from a gpx-file
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*/
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class GPXFileReader
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{
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public:
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/*
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3.1 Constructors and Destructor
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*/
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GPXFileReader();
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~GPXFileReader();
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/*
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3.2 Opens the file and checks the format
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*/
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bool Open(std::string strFileName);
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/*
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3.3 SGPXTrkPointData
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*/
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struct SGPXTrkPointData
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{
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SGPXTrkPointData();
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SGPXTrkPointData(const SGPXTrkPointData& rData);
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SGPXTrkPointData& operator=(const SGPXTrkPointData& rData);
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datetime::DateTime m_Time;
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Point m_Point;
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CcInt m_nFix;
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CcInt m_nSat;
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CcReal m_dHDOP;
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CcReal m_dVDOP;
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CcReal m_dPDOP;
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CcReal m_dCourse;
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CcReal m_dSpeed; // m/s
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CcReal m_dElevation;
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};
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/*
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3.4 Iterator for Trackpoints
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The file must be opened before - GPXFileReader::Open(std::string)
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*/
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TrkPointIteratorPtr GetTrkPointIterator(void);
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private:
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void ParseTrk(xmlNodePtr pNode);
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void ParseTrkSeg(xmlNodePtr pNode);
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bool ParseTrkPt(xmlNodePtr pNode, SGPXTrkPointData& rData);
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void NewData(const SGPXTrkPointData& rData);
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xmlNodePtr GetFirstTrkNode(void);
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xmlNodePtr GetNextTrkNode(const xmlNodePtr pTrkNode);
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xmlNodePtr GetFirstTrkSegNode(const xmlNodePtr pTrkNode);
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xmlNodePtr GetNextTrkSegNode(const xmlNodePtr pTrkSegNode);
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xmlNodePtr GetFirstTrkPtNode(const xmlNodePtr pTrkSegNode);
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xmlNodePtr GetNextTrkPtNode(const xmlNodePtr pTrkPtNode);
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void Free(void);
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void Init(void);
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xmlDocPtr m_pXMLDoc;
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friend class CTrkPointIterator;
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};
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/*
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4 class CTrkPointIterator
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Iterator for Trk-points
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*/
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class CTrkPointIterator
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{
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public:
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~CTrkPointIterator();
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bool GetCurrent(GPXFileReader::SGPXTrkPointData& rData);
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void Next(void);
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private:
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CTrkPointIterator();
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CTrkPointIterator(GPXFileReader* pReader);
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GPXFileReader* m_pReader;
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xmlNodePtr m_pCurrentTrk;
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xmlNodePtr m_pCurrentTrkSeg;
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xmlNodePtr m_pCurrentTrkPt;
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friend class GPXFileReader;
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};
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} // end of namespace mapmatch
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#endif /* __GPX_FILE_READER_H__ */
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