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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkMetaDataDictionary.h,v $
Language: C++
Date: $Date: 2007-01-18 15:35:23 $
Version: $Revision: 1.20 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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 __itkMetaDataDictionary_h
#define __itkMetaDataDictionary_h
#include "itkMetaDataObjectBase.h"
#include <vector>
#include <map>
#include <string>
namespace itk
{
/**
* \author Hans J. Johnson
* The MetaDataDictionary, along with the MetaDataObject derived template
* classes, is designed to provide a mechanism for storing a collection of
* arbitrary data types. The main motivation for such a collection is to
* associate arbitrary data elements with itk DataObjects.
*/
class ITKCommon_EXPORT MetaDataDictionary
{
public:
typedef MetaDataDictionary Self;
/**
* Defines the default behavior for printing out this element
* \param os An output stream
*/
virtual void Print(std::ostream& os) const;
// Declare the datastructure that will be used to hold the
// dictionary.
class MetaDataDictionaryMapType
: public std::map<std::string, MetaDataObjectBase::Pointer>
{
};
typedef MetaDataDictionaryMapType::iterator Iterator;
typedef MetaDataDictionaryMapType::const_iterator ConstIterator;
// Constructor
MetaDataDictionary();
// Copy Constructor
MetaDataDictionary(const MetaDataDictionary&);
// operator =
void operator=(const MetaDataDictionary&);
// Destructor
virtual ~MetaDataDictionary();
/** Returns a vector of keys to the key/value entries in the
dictionary. Iterate through the dictionary using these keys.
*/
std::vector<std::string> GetKeys() const;
// Implement map's api. On some Micorsoft compilers, stl containers
// cannot be exported. This causes problems when building DLL's.
// Here we inherit privately from std::map and provide a simple
// API. The implementation will be in the DLL.
MetaDataObjectBase::Pointer &operator [](const std::string &);
const MetaDataObjectBase * operator [](const std::string &) const;
bool HasKey (const std::string &);
/** \warning the following functions SHOULD NOT be used with
* the visual studio 6 compiler since iterator outside of the dll
* context cannot be dereferenced safely */
/** Returns an iterator to the beginning of the map */
#if !defined(CABLE_CONFIGURATION)
Iterator Begin();
ConstIterator Begin() const;
#endif
/** Returns an iterator to the end of the map */
#if !defined(CABLE_CONFIGURATION)
Iterator End();
ConstIterator End() const;
#endif
/** Returns an iterator matching the string key */
#if !defined(CABLE_CONFIGURATION)
Iterator Find(const std::string & key);
ConstIterator Find(const std::string & key) const;
#endif
private:
MetaDataDictionaryMapType *m_Dictionary;
};
}
#endif // __itkMetaDataDictionary_h
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