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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkMapContainer.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:41 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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DEF |
#ifndef _itkMapContainer_txx |
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DEF |
#define _itkMapContainer_txx |
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#include "itkMapContainer.h" |
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namespace itk |
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{ |
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/** |
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* Get a reference to the element at the given index. |
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* If the index does not exist, it is created automatically. |
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* |
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* It is assumed that the value of the element is modified through the |
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* reference. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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typename MapContainer< TElementIdentifier , TElement >::Element& |
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MapContainer< TElementIdentifier , TElement > |
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::ElementAt(ElementIdentifier id) |
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{ |
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this->Modified(); |
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return this->MapType::operator[](id); |
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} |
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/** |
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* Get a reference to the element at the given index. |
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* |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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const typename MapContainer< TElementIdentifier , TElement >::Element& |
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MapContainer< TElementIdentifier , TElement > |
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::ElementAt(ElementIdentifier id) const |
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{ |
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return this->MapType::find(id)->second; |
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} |
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EML |
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/** |
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* Get a reference to the element at the given index. |
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* If the index does not exist, it is created automatically. |
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* |
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* It is assumed that the value of the element is modified through the |
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* reference. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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typename MapContainer< TElementIdentifier , TElement >::Element& |
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MapContainer< TElementIdentifier , TElement > |
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::CreateElementAt(ElementIdentifier id) |
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{ |
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this->Modified(); |
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return this->MapType::operator[](id); |
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} |
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/** |
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* Get the element at the specified index. There is no check for |
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* existence performed. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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typename MapContainer< TElementIdentifier , TElement >::Element |
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MapContainer< TElementIdentifier , TElement > |
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::GetElement(ElementIdentifier id) const |
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{ |
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return this->MapType::find(id)->second; |
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} |
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/** |
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* Set the given index value to the given element. If the index doesn't |
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* exist, it is automatically created. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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void |
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MapContainer< TElementIdentifier , TElement > |
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::SetElement(ElementIdentifier id, Element element) |
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{ |
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MapType::operator[](id) = element; |
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this->Modified(); |
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} |
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/** |
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* Set the given index value to the given element. If the index doesn't |
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* exist, it is automatically created. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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void |
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MapContainer< TElementIdentifier , TElement > |
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::InsertElement(ElementIdentifier id, Element element) |
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{ |
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this->MapType::operator[](id) = element; |
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this->Modified(); |
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} |
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/** |
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* Check if the STL map has an entry corresponding to the given index. |
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* The count will be either 1 or 0. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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bool |
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MapContainer< TElementIdentifier , TElement > |
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::IndexExists(ElementIdentifier id) const |
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{ |
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return (this->MapType::count(id) > 0); |
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} |
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/** |
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* If the given index doesn't exist in the map, return false. |
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* Otherwise, set the element through the pointer (if it isn't null), and |
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* return true. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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bool |
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MapContainer< TElementIdentifier , TElement > |
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::GetElementIfIndexExists(ElementIdentifier id, Element* element) const |
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{ |
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if(this->MapType::count(id) > 0) |
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{ |
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if( element ) |
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{ |
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*element = this->MapType::find(id)->second; |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* The STL map will create an entry for a given index through the indexing |
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* operator. Whether or not it is created, it will be assigned to the |
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* default element. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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void |
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MapContainer< TElementIdentifier , TElement > |
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::CreateIndex(ElementIdentifier id) |
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{ |
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this->MapType::operator[](id) = Element(); |
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this->Modified(); |
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} |
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/** |
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* Delete the entry in the STL map corresponding to the given identifier. |
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* If the entry does not exist, nothing happens. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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void |
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MapContainer< TElementIdentifier , TElement > |
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::DeleteIndex(ElementIdentifier id) |
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{ |
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this->MapType::erase(id); |
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this->Modified(); |
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} |
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/** |
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* Get a begin const iterator for the map. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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typename MapContainer< TElementIdentifier , TElement >::ConstIterator |
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MapContainer< TElementIdentifier , TElement > |
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::Begin(void) const |
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{ |
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return ConstIterator(this->MapType::begin()); |
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} |
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/** |
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* Get an end const iterator for the map. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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typename MapContainer< TElementIdentifier , TElement >::ConstIterator |
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MapContainer< TElementIdentifier , TElement > |
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::End(void) const |
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{ |
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return ConstIterator(this->MapType::end()); |
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} |
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/** |
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* Get a begin const iterator for the map. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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typename MapContainer< TElementIdentifier , TElement >::Iterator |
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MapContainer< TElementIdentifier , TElement > |
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::Begin(void) |
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{ |
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return Iterator(this->MapType::begin()); |
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} |
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/** |
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* Get an end const iterator for the map. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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typename MapContainer< TElementIdentifier , TElement >::Iterator |
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MapContainer< TElementIdentifier , TElement > |
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::End(void) |
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{ |
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return Iterator(this->MapType::end()); |
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} |
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/** |
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* Get the number of elements currently stored in the map. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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unsigned long |
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MapContainer< TElementIdentifier , TElement > |
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::Size(void) const |
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{ |
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return static_cast<unsigned long>( this->MapType::size() ); |
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} |
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/** |
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* Tell the container to allocate enough memory to allow at least |
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* as many elements as the size given to be stored. This is NOT |
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* guaranteed to actually allocate any memory, but is useful if the |
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* implementation of the container allocates contiguous storage. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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void |
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MapContainer< TElementIdentifier , TElement > |
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::Reserve(ElementIdentifier size) |
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{ |
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ElementIdentifier curSize = this->Size(); |
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while ( curSize < size ) |
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{ |
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this->CreateIndex(curSize); |
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curSize = this->Size(); |
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} |
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} |
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/** |
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* Tell the container to try to minimize its memory usage for storage of |
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* the current number of elements. This is NOT guaranteed to decrease |
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* memory usage. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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void |
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MapContainer< TElementIdentifier , TElement > |
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::Squeeze(void) |
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{ |
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} |
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/** |
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* Tell the container to release any memory it may have allocated and |
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* return itself to its initial state. |
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*/ |
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template <typename TElementIdentifier, typename TElement> |
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void |
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MapContainer< TElementIdentifier , TElement > |
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::Initialize(void) |
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{ |
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this->MapType::clear(); |
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} |
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} // end namespace itk |
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#endif |
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