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itkVectorContainer.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkVectorContainer.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007-12-23 17:59:29 $
00007   Version:   $Revision: 1.58 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkVectorContainer_h
00018 #define __itkVectorContainer_h
00019 
00020 #include "itkObject.h"
00021 #include "itkObjectFactory.h"
00022 
00023 #include <utility>
00024 #include <vector>
00025 
00026 namespace itk
00027 {
00028 
00044 template <
00045   typename TElementIdentifier,
00046   typename TElement
00047   >
00048 class ITK_EXPORT VectorContainer: 
00049   public Object,
00050   public std::vector<TElement>
00051 {
00052 public:
00054   typedef VectorContainer     Self;
00055   typedef Object  Superclass;
00056   typedef SmartPointer<Self>  Pointer;
00057   typedef SmartPointer<const Self>  ConstPointer;
00058 
00060   typedef TElementIdentifier  ElementIdentifier;
00061   typedef TElement            Element;
00062 
00063 private:
00065   typedef std::vector<Element>                VectorType;
00066   typedef typename VectorType::size_type          size_type;  
00067   typedef typename VectorType::iterator           VectorIterator;
00068   typedef typename VectorType::const_iterator     VectorConstIterator;
00069 
00070 protected:
00074   VectorContainer():
00075     Object(), VectorType() {}
00076   VectorContainer(size_type n):
00077     Object(), VectorType(n) {}
00078   VectorContainer(size_type n, const Element& x):
00079     Object(), VectorType(n, x) {}
00080   VectorContainer(const Self& r):
00081     Object(), VectorType(r) {}
00082   template <typename InputIterator>
00083   VectorContainer(InputIterator first, InputIterator last):
00084     Object(), VectorType(first, last) {}
00086 
00087 public:
00088 
00090   typedef VectorType STLContainerType;
00091   typedef typename VectorType::size_type VectorContainerSizeType;
00092 
00094   itkNewMacro(Self);
00095 
00097   itkTypeMacro(VectorContainer, Object);
00098 
00100   class Iterator;
00101   class ConstIterator;
00102 
00104   STLContainerType & CastToSTLContainer() {
00105      return dynamic_cast<STLContainerType &>(*this); }
00106 
00108   const STLContainerType & CastToSTLConstContainer() const {
00109      return dynamic_cast<const STLContainerType &>(*this); }
00110 
00112   friend class Iterator;
00113   friend class ConstIterator;
00114 
00117   class Iterator
00118   {
00119   public:
00120     Iterator() {}
00121     Iterator(size_type d, const VectorIterator& i): m_Pos(d), m_Iter(i) {}
00123 
00124     Iterator& operator* ()    { return *this; }
00125     Iterator* operator-> ()   { return this; }
00126     Iterator& operator++ ()   { ++m_Pos; ++m_Iter; return *this; }
00127     Iterator operator++ (int) { Iterator temp(*this); ++m_Pos; ++m_Iter; return temp; }
00128     Iterator& operator-- ()   { --m_Pos; --m_Iter; return *this; }
00129     Iterator operator-- (int) { Iterator temp(*this); --m_Pos; --m_Iter; return temp; }
00130 
00131     bool operator == (const Iterator& r) const { return m_Iter == r.m_Iter; }
00132     bool operator != (const Iterator& r) const { return m_Iter != r.m_Iter; }
00133     bool operator == (const ConstIterator& r) const { return m_Iter == r.m_Iter; }
00134     bool operator != (const ConstIterator& r) const { return m_Iter != r.m_Iter; }
00135     
00137     ElementIdentifier Index(void) const { return static_cast<ElementIdentifier>( m_Pos ); }
00138 
00140     Element& Value(void) const { return *m_Iter; }
00141 
00142   private:
00143     size_type m_Pos;
00144     VectorIterator m_Iter;
00145     friend class ConstIterator;
00146   };
00147   
00150   class ConstIterator
00151   {
00152   public:
00153     ConstIterator() {}
00154     ConstIterator(size_type d, const VectorConstIterator& i): m_Pos(d), m_Iter(i) {}
00155     ConstIterator(const Iterator& r) { m_Pos = r.m_Pos; m_Iter = r.m_Iter; }
00157 
00158     ConstIterator& operator* ()    { return *this; }
00159     ConstIterator* operator-> ()   { return this; }
00160     ConstIterator& operator++ ()   { ++m_Pos; ++m_Iter; return *this; }
00161     ConstIterator operator++ (int) { ConstIterator temp(*this); ++m_Pos; ++m_Iter; return temp; }
00162     ConstIterator& operator-- ()   { --m_Pos; --m_Iter; return *this; }
00163     ConstIterator operator-- (int) { ConstIterator temp(*this); --m_Pos; --m_Iter; return temp; }
00164 
00165     ConstIterator& operator = (const Iterator& r) { m_Pos = r.m_Pos; m_Iter = r.m_Iter; return *this; }
00166     
00167     bool operator == (const Iterator& r) const { return m_Iter == r.m_Iter; }
00168     bool operator != (const Iterator& r) const { return m_Iter != r.m_Iter; }
00169     bool operator == (const ConstIterator& r) const { return m_Iter == r.m_Iter; }
00170     bool operator != (const ConstIterator& r) const { return m_Iter != r.m_Iter; }
00171     
00173     ElementIdentifier Index(void) const { return static_cast<ElementIdentifier>( m_Pos ); }
00174 
00176     const Element& Value(void) const { return *m_Iter; }
00177 
00178   private:
00179     size_type m_Pos;
00180     VectorConstIterator m_Iter;
00181     friend class Iterator;
00182   };  
00183   
00184   /* Declare the public interface routines. */
00185   
00194   Element& ElementAt(ElementIdentifier);
00195 
00202   const Element& ElementAt(ElementIdentifier) const;
00203 
00212   Element& CreateElementAt(ElementIdentifier);
00213 
00218   Element GetElement(ElementIdentifier) const;
00219 
00224   void SetElement(ElementIdentifier, Element );
00225 
00231   void InsertElement(ElementIdentifier, Element );
00232 
00237   bool IndexExists(ElementIdentifier) const;
00238 
00244   bool GetElementIfIndexExists(ElementIdentifier, Element*) const;
00245 
00251   void CreateIndex(ElementIdentifier);
00252 
00258   void DeleteIndex(ElementIdentifier);
00259 
00263   ConstIterator Begin(void) const;
00264 
00268   ConstIterator End(void) const;  
00269 
00273   Iterator Begin(void);
00274 
00278   Iterator End(void);  
00279 
00283   unsigned long Size(void) const;
00284 
00294   void Reserve( ElementIdentifier );
00295 
00302   void Squeeze(void);
00303 
00307   void Initialize(void);
00308 
00309 };
00310 
00311 } // end namespace itk
00312 
00313 // Define instantiation macro for this template.
00314 #define ITK_TEMPLATE_VectorContainer(_, EXPORT, x, y) namespace itk { \
00315   _(2(class EXPORT VectorContainer< ITK_TEMPLATE_2 x >)) \
00316   namespace Templates { typedef VectorContainer< ITK_TEMPLATE_2 x > \
00317                                                   VectorContainer##y; } \
00318   }
00319 
00320 #if ITK_TEMPLATE_EXPLICIT
00321 # include "Templates/itkVectorContainer+-.h"
00322 #endif
00323 
00324 #if ITK_TEMPLATE_TXX
00325 # include "itkVectorContainer.txx"
00326 #endif
00327 
00328 #endif
00329 

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