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