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vendor/rapidxml-1.13/rapidxml_iterators.hpp

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+#ifndef RAPIDXML_ITERATORS_HPP_INCLUDED
+#define RAPIDXML_ITERATORS_HPP_INCLUDED
+
+// Copyright (C) 2006, 2009 Marcin Kalicinski
+// Version 1.13
+// Revision $DateTime: 2009/05/13 01:46:17 $
+//! \file rapidxml_iterators.hpp This file contains rapidxml iterators
+
+#include "rapidxml.hpp"
+
+namespace rapidxml
+{
+
+    //! Iterator of child nodes of xml_node
+    template<class Ch>
+    class node_iterator
+    {
+    
+    public:
+
+        typedef typename xml_node<Ch> value_type;
+        typedef typename xml_node<Ch> &reference;
+        typedef typename xml_node<Ch> *pointer;
+        typedef std::ptrdiff_t difference_type;
+        typedef std::bidirectional_iterator_tag iterator_category;
+        
+        node_iterator()
+            : m_node(0)
+        {
+        }
+
+        node_iterator(xml_node<Ch> *node)
+            : m_node(node->first_node())
+        {
+        }
+        
+        reference operator *() const
+        {
+            assert(m_node);
+            return *m_node;
+        }
+
+        pointer operator->() const
+        {
+            assert(m_node);
+            return m_node;
+        }
+
+        node_iterator& operator++()
+        {
+            assert(m_node);
+            m_node = m_node->next_sibling();
+            return *this;
+        }
+
+        node_iterator operator++(int)
+        {
+            node_iterator tmp = *this;
+            ++this;
+            return tmp;
+        }
+
+        node_iterator& operator--()
+        {
+            assert(m_node && m_node->previous_sibling());
+            m_node = m_node->previous_sibling();
+            return *this;
+        }
+
+        node_iterator operator--(int)
+        {
+            node_iterator tmp = *this;
+            ++this;
+            return tmp;
+        }
+
+        bool operator ==(const node_iterator<Ch> &rhs)
+        {
+            return m_node == rhs.m_node;
+        }
+
+        bool operator !=(const node_iterator<Ch> &rhs)
+        {
+            return m_node != rhs.m_node;
+        }
+
+    private:
+
+        xml_node<Ch> *m_node;
+
+    };
+
+    //! Iterator of child attributes of xml_node
+    template<class Ch>
+    class attribute_iterator
+    {
+    
+    public:
+
+        typedef typename xml_attribute<Ch> value_type;
+        typedef typename xml_attribute<Ch> &reference;
+        typedef typename xml_attribute<Ch> *pointer;
+        typedef std::ptrdiff_t difference_type;
+        typedef std::bidirectional_iterator_tag iterator_category;
+        
+        attribute_iterator()
+            : m_attribute(0)
+        {
+        }
+
+        attribute_iterator(xml_node<Ch> *node)
+            : m_attribute(node->first_attribute())
+        {
+        }
+        
+        reference operator *() const
+        {
+            assert(m_attribute);
+            return *m_attribute;
+        }
+
+        pointer operator->() const
+        {
+            assert(m_attribute);
+            return m_attribute;
+        }
+
+        attribute_iterator& operator++()
+        {
+            assert(m_attribute);
+            m_attribute = m_attribute->next_attribute();
+            return *this;
+        }
+
+        attribute_iterator operator++(int)
+        {
+            attribute_iterator tmp = *this;
+            ++this;
+            return tmp;
+        }
+
+        attribute_iterator& operator--()
+        {
+            assert(m_attribute && m_attribute->previous_attribute());
+            m_attribute = m_attribute->previous_attribute();
+            return *this;
+        }
+
+        attribute_iterator operator--(int)
+        {
+            attribute_iterator tmp = *this;
+            ++this;
+            return tmp;
+        }
+
+        bool operator ==(const attribute_iterator<Ch> &rhs)
+        {
+            return m_attribute == rhs.m_attribute;
+        }
+
+        bool operator !=(const attribute_iterator<Ch> &rhs)
+        {
+            return m_attribute != rhs.m_attribute;
+        }
+
+    private:
+
+        xml_attribute<Ch> *m_attribute;
+
+    };
+
+}
+
+#endif