| #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 |