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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt 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 otbWrapperParameterKey_h
#define otbWrapperParameterKey_h
#include <string>
#include <vector>
#include <ostream>
#include <itksys/RegularExpression.hxx>
#include "itkMacro.h"
#include "OTBApplicationEngineExport.h"
namespace otb
{
namespace Wrapper
{
/** \class Application
* \brief This class is a the Parameter key representation.
*
* The constructor accepts a string key constructed as follow : parent.me.child.
* It implements some key manipulation as described in the code.
*
* \ingroup OTBApplicationEngine
*/
class OTBApplicationEngine_EXPORT ParameterKey
{
public:
typedef ParameterKey Self;
ParameterKey();
ParameterKey( const char * val );
ParameterKey( const std::string & val );
virtual ~ParameterKey();
/** Class Methods used to interface with the registered factories */
/*
last() : return "tata"
** parent() : return "toto.titi"
** root() : return "toto"
** split() : return vector<string> ("toto", "titi", "tata")
** append(std::string)
** append(const Key&)
*/
/** Returns the string after the last point separator */
std::string GetLastElement();
/** Returns the string before the first point separator */
std::string GetFirstElement();
/** Returns the string before the last point separator */
std::string GetRoot();
/** Returns the vector of string that contains each element separated by a point. */
std::vector<std::string> Split();
/** Append a string at the end of the key. A point separator will be added before the string. */
void Append( const std::string & val );
/** Append a string at the end of the key. A point separator will be added before the string. */
void Append( const ParameterKey & pKey );
/** Get Key value */
std::string GetKey()
{
return m_Key;
}
/** Get Key value */
std::string GetKey() const
{
return m_Key;
}
/** Set Key value */
void SetKey( const std::string & val )
{
// Check chain : lowercase, alphanumerical or "."
itksys::RegularExpression reg;
reg.compile("([^0-9a-z\\.])");
if(!reg.find(val))
{
m_Key = val;
}
else
{
itkGenericExceptionMacro( "Invalid key "<<val<<". Must be in lowercase, containing alphanumerical characters or \".\"");
}
}
private:
ParameterKey(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
std::string m_Key;
};
} // end namespace Wrapper
} //end namespace otb
#endif // otbWrapperParameterKey_h_
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