/usr/include/InsightToolkit/Common/itkChildTreeIterator.h is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkChildTreeIterator.h
Language: C++
Date: $Date$
Version: $Revision$
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 __itkChildTreeIterator_h
#define __itkChildTreeIterator_h
#include <itkTreeIteratorBase.h>
namespace itk
{
template <class TTreeType>
class ChildTreeIterator : public TreeIteratorBase<TTreeType>
{
public:
/** Typedefs */
typedef ChildTreeIterator Self;
typedef TreeIteratorBase<TTreeType> Superclass;
typedef TTreeType TreeType;
typedef typename TTreeType::ValueType ValueType;
typedef typename Superclass::TreeNodeType TreeNodeType;
/** Constructor */
ChildTreeIterator( TreeType* tree,const TreeNodeType* start=NULL );
/** Constructor */
ChildTreeIterator( const TreeIteratorBase<TTreeType>& iterator );
/** Get the type of the iterator */
int GetType( ) const;
/** Go to a specific child node */
virtual bool GoToChild( int number = 0 );
/** Go to a parent node */
virtual bool GoToParent();
/** Clone function */
TreeIteratorBase<TTreeType>* Clone();
/** operator = */
Self& operator=(Superclass& iterator)
{
Superclass::operator=(iterator);
ChildTreeIterator<TTreeType>& it =
static_cast<ChildTreeIterator<TTreeType>&>(iterator);
m_ListPosition = it.m_ListPosition;
m_ParentNode = it.m_ParentNode;
return *this;
}
protected:
/** Get the next value */
const ValueType& Next();
/** Return true if the next value exists */
bool HasNext() const;
private:
mutable int m_ListPosition;
TreeNode<ValueType>* m_ParentNode;
};
/** Constructor */
template <class TTreeType>
ChildTreeIterator<TTreeType>::ChildTreeIterator(TTreeType* tree,
const TreeNodeType* start)
:TreeIteratorBase<TTreeType>(tree, start)
{
m_ListPosition = 0;
m_ParentNode = this->m_Position;
this->m_Position = m_ParentNode->GetChild( m_ListPosition );
this->m_Begin = this->m_Position;
}
template <class TTreeType>
ChildTreeIterator<TTreeType>::ChildTreeIterator(
const TreeIteratorBase<TTreeType>& iterator)
:TreeIteratorBase<TTreeType>(iterator.GetTree(), iterator.GetNode())
{
m_ListPosition = 0;
m_ParentNode = this->m_Position;
this->m_Position = m_ParentNode->GetChild( m_ListPosition );
}
/** Go to a specific child */
template <class TTreeType>
bool
ChildTreeIterator<TTreeType>::GoToChild(int number)
{
if ( m_ParentNode->GetChild( number ) == NULL )
{
return false;
}
m_ListPosition = 0;
m_ParentNode = m_ParentNode->GetChild( number );
this->m_Position = m_ParentNode->GetChild( m_ListPosition );
this->m_Begin = this->m_Position;
return true;
}
/** Go to the parent node */
template <class TTreeType>
bool
ChildTreeIterator<TTreeType>::GoToParent()
{
TreeNode<ValueType>* parent = m_ParentNode->GetParent();
if ( parent == NULL )
{
return false;
}
m_ListPosition = 0;
m_ParentNode = parent;
this->m_Position = m_ParentNode->GetChild( m_ListPosition );
this->m_Begin = this->m_Position;
return true;
}
/** Return the type of the iterator */
template <class TTreeType>
int
ChildTreeIterator<TTreeType>::GetType() const
{
return TreeIteratorBase<TTreeType>::CHILD;
}
/** Return true if the next node exists */
template <class TTreeType>
bool
ChildTreeIterator<TTreeType>::HasNext() const
{
if( m_ListPosition < m_ParentNode->CountChildren() - 1 )
{
return true;
}
else
{
return false;
}
}
/** Return the next node */
template <class TTreeType>
const typename ChildTreeIterator<TTreeType>::ValueType&
ChildTreeIterator<TTreeType>::Next()
{
m_ListPosition++;
this->m_Position = m_ParentNode->GetChild( m_ListPosition );
return this->m_Position->Get();
}
/** Clone function */
template <class TTreeType>
TreeIteratorBase<TTreeType>* ChildTreeIterator<TTreeType>::Clone()
{
ChildTreeIterator<TTreeType>* clone = new ChildTreeIterator<TTreeType>(
const_cast<TTreeType*>(this->m_Tree),this->m_Position );
*clone = *this;
return clone;
}
} // end namespace itk
#endif
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