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secondo/Algebras/OSM/OsmParser.h
2026-01-23 17:03:45 +08:00

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/*
----
This file is part of SECONDO.
Copyright (C) 2004, University in Hagen, Department of Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
//paragraph [1] Title: [{\Large \bf \begin {center}] [\end {center}}]
//[TOC] [\tableofcontents]
//[_] [\_]
[1] Header File of the OsmParser
June-November, 2011. Thomas Uchdorf
[TOC]
1 Overview
This header file essentially contains the definition of the class
~OsmParser~.
2 Defines and includes
*/
// [...]
#ifndef __OSM_PARSER_H__
#define __OSM_PARSER_H__
// --- Including header-files
#include <string>
#include <stack>
#include <vector>
#include <iostream>
#include <fstream>
#include "Element.h"
#include "NodeData.h"
#include "WayData.h"
#include "RestrictionData.h"
#include "XmlParserInterface.h"
class XmlFileReader;
enum ReaderStates {
ReaderStateUnknown = 0x0000, //00000000
ReaderStateInNode = 0x0001, //00000001
ReaderStateInTag = 0x0002, //00000010
ReaderStateInWay = 0x0004, //00000100
ReaderStateInRelation = 0x0008, //00001000
ReaderStateInNd = 0x0010, //00010000
ReaderStateInMember = 0x0020, //00100000
ReaderStateInNodeTag = 0x0003, //00000011
ReaderStateInWayNd = 0x0014, //00010100
ReaderStateInWayTag = 0x0006, //00000110
ReaderStateInRelationTag = 0x000A, //00001010
ReaderStateInRelationMember = 0x0028 //00101000
};
class OsmParser : public XmlParserInterface
{
public:
// --- Constructors
// Default-Constructor
OsmParser ();
// Constructor
OsmParser (const std::string &fileName);
// Destructor
virtual ~OsmParser ();
// --- Methods
void setFileName (const std::string &fileName);
const std::string & getFileName () const;
void readOsmFile ();
void openOsmFile ();
void getNext (std::vector<std::string> *values, int *elementType);
void getInterestingElement (std::vector<std::string> *values,
int *elementType);
void closeOsmFile ();
protected:
// --- Methods
void pushEmptyElementToStack (const Element &element);
void pushElementToStack (const Element &element);
void popElementFromStack (const Element &element);
void createNodeFromElement (const Element &element);
void updateNodeFromElement (const Element &element);
void addTagElementToNode (const Element &element);
void createWayFromElement (const Element &element);
void updateWayFromElement (const Element &element);
void addNdElementToWay (const Element &element);
void addTagElementToWay (const Element &element);
void createRelationFromElement (const Element &element);
void updateRelationFromElement (const Element &element);
void addTagElementToRelation (const Element &element);
void addMemberElementToRelation (const Element &element);
void prepareElement (const Element &element);
void finalizeElement (const Element &element);
const int & getReaderState () const;
void setReaderState (const int & readerState);
void updateState (const Element &element, bool up);
void setFoundNode (const bool &foundNode = true);
void setFoundWay (const bool &foundWay = true);
void setFoundRestriction (const bool &foundRestriction = true);
bool isFoundNode () const;
bool isFoundWay () const;
bool isFoundRestriction () const;
// --- Functions of the parser interface
virtual void pushedElementToStack (const Element &element);
virtual void poppedElementFromStack (const Element &element);
virtual bool isElementInteresting (const Element &element) const;
virtual bool foundInterestingElement () const;
// --- Members
std::string m_fileName;
int m_readerState;
NodeData m_currentNode;
WayData m_currentWay;
RestrictionData m_currentRestriction;
XmlFileReader *m_reader;
bool m_foundNode;
bool m_foundWay;
bool m_foundRestriction;
// --- Constants
static const int IN_NODE;
static const int IN_TAG;
static const int IN_WAY;
static const int IN_RELATION;
static const int IN_ND;
static const int IN_MEMBER;
};
#endif /* __OSM_PARSER_H__ */