ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkChildTreeIterator_h 00019 #define __itkChildTreeIterator_h 00020 00021 #include "itkTreeIteratorBase.h" 00022 00023 namespace itk 00024 { 00025 template< class TTreeType > 00026 class ChildTreeIterator:public TreeIteratorBase< TTreeType > 00027 { 00028 public: 00029 00031 typedef ChildTreeIterator Self; 00032 typedef TreeIteratorBase< TTreeType > Superclass; 00033 typedef TTreeType TreeType; 00034 typedef typename TTreeType::ValueType ValueType; 00035 typedef typename Superclass::TreeNodeType TreeNodeType; 00036 typedef typename TreeNodeType::ChildIdentifier ChildIdentifier; 00037 typedef typename Superclass::NodeType NodeType; 00038 00040 ChildTreeIterator(TreeType *tree, const TreeNodeType *start = NULL); 00041 00043 ChildTreeIterator(const TreeIteratorBase< TTreeType > & iterator); 00044 00046 NodeType GetType() const; 00047 00049 virtual bool GoToChild(ChildIdentifier number = 0); 00050 00052 virtual bool GoToParent(); 00053 00055 TreeIteratorBase< TTreeType > * Clone(); 00056 00058 Self & operator=(Superclass & iterator) 00059 { 00060 Superclass::operator=(iterator); 00061 ChildTreeIterator< TTreeType > & it = 00062 static_cast< ChildTreeIterator< TTreeType > & >( iterator ); 00063 m_ListPosition = it.m_ListPosition; 00064 m_ParentNode = it.m_ParentNode; 00065 return *this; 00066 } 00068 00069 protected: 00070 00072 const ValueType & Next(); 00073 00075 bool HasNext() const; 00076 00077 private: 00078 00079 mutable ChildIdentifier m_ListPosition; 00080 TreeNodeType * m_ParentNode; 00081 }; 00082 00083 } // end namespace itk 00084 00085 #if ITK_TEMPLATE_TXX 00086 #include "itkChildTreeIterator.hxx" 00087 #endif 00088 00089 #endif 00090