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/*=========================================================================
Program: Image Guided Surgery Software Toolkit
Module: $RCSfile: igstkOpenIGTLinkTrackerConfigurationXMLFileReader.h,v $
Language: C++
Date: $Date: 2009-06-04 19:49:05 $
Version: $Revision: 1.1 $
Copyright (c) ISC Insight Software Consortium. All rights reserved.
See IGSTKCopyright.txt or http://www.igstk.org/copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __igstkOpenIGTLinkTrackerConfigurationXMLFileReader_h
#define __igstkOpenIGTLinkTrackerConfigurationXMLFileReader_h
#include <itkXMLFile.h>
namespace igstk
{
/** \class OpenIGTLinkTrackerConfigurationXMLFileReader
*
* \brief This class is a reader for xml files containing a
* tracker configuration with open IGT link settings.
*
* This class is a reader for xml files containing a
* tracker configuration with open IGT link settings.
*/
class OpenIGTLinkTrackerConfigurationXMLFileReader : public itk::XMLReaderBase
{
public:
/**
* \class This is the exception that is thrown if there is a problem with the
* file format (does not follow the expected format).
*/
class FileFormatException : public std::exception
{
public:
/**
* Construct an exception with a specifc message.
*/
FileFormatException(const std::string &errorMessage)
{
this->m_ErrorMessage = errorMessage;
}
/**
* Virtual destructor.
*/
virtual ~FileFormatException() throw() {}
/**
* Get the error message.
*/
virtual const char* what() const throw()
{
return m_ErrorMessage.c_str();
}
private:
std::string m_ErrorMessage;
};
//standard typedefs
typedef OpenIGTLinkTrackerConfigurationXMLFileReader Self;
typedef itk::XMLReaderBase Superclass;
typedef itk::SmartPointer<Self> Pointer;
//run-time type information (and related methods)
itkTypeMacro( OpenIGTLinkTrackerConfigurationXMLFileReader,
itk::XMLReaderBase );
//method for creation through the object factory
itkNewMacro( Self );
/**
* Check that the given name isn't a zero length string, that the file exists,
* and that it isn't a directory.
*/
virtual int CanReadFile(const char* name);
/**
* Method called when a new xml tag start is encountered.
*/
virtual void StartElement( const char * name, const char **atts );
/**
* Method called when an xml tag end is encountered.
*/
virtual void EndElement( const char *name );
/**
* Method for handling the data inside an xml tag.
*/
virtual void CharacterDataHandler( const char *inData, int inLength );
typedef std::pair<std::string, unsigned int> ConnectionDataType;
typedef std::map<std::string, std::vector<ConnectionDataType> >
OpenIGTLinkDataType;
/**
* Get the map between tool names and ip ports.
*/
void GetOpenIGTLinkToolConfigurationData( OpenIGTLinkDataType
&toolNamesAndConnections );
bool HaveConfigurationData();
protected:
//this is the constructor that is called by the factory to
//create a new object
OpenIGTLinkTrackerConfigurationXMLFileReader() :
m_ReadingTrackerConfiguration( false ),
m_ReadingToolConfiguration( false )
{}
virtual ~OpenIGTLinkTrackerConfigurationXMLFileReader() {}
void ProcessToolName()
throw ( FileFormatException );
void ProcessToolAttributes( const char **atts );
void ProcessToolConnection()
throw ( FileFormatException );
void ProcessToolData()
throw ( FileFormatException );
bool m_ReadingTrackerConfiguration;
bool m_ReadingToolConfiguration;
bool m_CurrentToolIsReference;
std::string m_CurrentTagData;
std::string m_CurrentToolName;
std::vector<ConnectionDataType> m_CurrentConnections;
OpenIGTLinkDataType m_ToolNamesAndConnections;
private:
OpenIGTLinkTrackerConfigurationXMLFileReader(
const OpenIGTLinkTrackerConfigurationXMLFileReader & other );
const OpenIGTLinkTrackerConfigurationXMLFileReader & operator=(
const OpenIGTLinkTrackerConfigurationXMLFileReader & right );
};
}
#endif //__igstkOpenIGTLinkTrackerConfigurationXMLFileReader_h
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