[141] | 1 | #ifndef RAPIDXML_ITERATORS_HPP_INCLUDED |
---|
| 2 | #define RAPIDXML_ITERATORS_HPP_INCLUDED |
---|
| 3 | |
---|
| 4 | // Copyright (C) 2006, 2009 Marcin Kalicinski |
---|
| 5 | // Version 1.13 |
---|
| 6 | // Revision $DateTime: 2009/05/13 01:46:17 $ |
---|
| 7 | //! \file rapidxml_iterators.hpp This file contains rapidxml iterators |
---|
| 8 | |
---|
| 9 | #include "rapidxml.hpp" |
---|
| 10 | |
---|
| 11 | namespace rapidxml |
---|
| 12 | { |
---|
| 13 | |
---|
| 14 | //! Iterator of child nodes of xml_node |
---|
| 15 | template<class Ch> |
---|
| 16 | class node_iterator |
---|
| 17 | { |
---|
| 18 | |
---|
| 19 | public: |
---|
| 20 | |
---|
| 21 | typedef typename xml_node<Ch> value_type; |
---|
| 22 | typedef typename xml_node<Ch> &reference; |
---|
| 23 | typedef typename xml_node<Ch> *pointer; |
---|
| 24 | typedef std::ptrdiff_t difference_type; |
---|
| 25 | typedef std::bidirectional_iterator_tag iterator_category; |
---|
| 26 | |
---|
| 27 | node_iterator() |
---|
| 28 | : m_node(0) |
---|
| 29 | { |
---|
| 30 | } |
---|
| 31 | |
---|
| 32 | node_iterator(xml_node<Ch> *node) |
---|
| 33 | : m_node(node->first_node()) |
---|
| 34 | { |
---|
| 35 | } |
---|
| 36 | |
---|
| 37 | reference operator *() const |
---|
| 38 | { |
---|
| 39 | assert(m_node); |
---|
| 40 | return *m_node; |
---|
| 41 | } |
---|
| 42 | |
---|
| 43 | pointer operator->() const |
---|
| 44 | { |
---|
| 45 | assert(m_node); |
---|
| 46 | return m_node; |
---|
| 47 | } |
---|
| 48 | |
---|
| 49 | node_iterator& operator++() |
---|
| 50 | { |
---|
| 51 | assert(m_node); |
---|
| 52 | m_node = m_node->next_sibling(); |
---|
| 53 | return *this; |
---|
| 54 | } |
---|
| 55 | |
---|
| 56 | node_iterator operator++(int) |
---|
| 57 | { |
---|
| 58 | node_iterator tmp = *this; |
---|
| 59 | ++this; |
---|
| 60 | return tmp; |
---|
| 61 | } |
---|
| 62 | |
---|
| 63 | node_iterator& operator--() |
---|
| 64 | { |
---|
| 65 | assert(m_node && m_node->previous_sibling()); |
---|
| 66 | m_node = m_node->previous_sibling(); |
---|
| 67 | return *this; |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | node_iterator operator--(int) |
---|
| 71 | { |
---|
| 72 | node_iterator tmp = *this; |
---|
| 73 | ++this; |
---|
| 74 | return tmp; |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | bool operator ==(const node_iterator<Ch> &rhs) |
---|
| 78 | { |
---|
| 79 | return m_node == rhs.m_node; |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | bool operator !=(const node_iterator<Ch> &rhs) |
---|
| 83 | { |
---|
| 84 | return m_node != rhs.m_node; |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | private: |
---|
| 88 | |
---|
| 89 | xml_node<Ch> *m_node; |
---|
| 90 | |
---|
| 91 | }; |
---|
| 92 | |
---|
| 93 | //! Iterator of child attributes of xml_node |
---|
| 94 | template<class Ch> |
---|
| 95 | class attribute_iterator |
---|
| 96 | { |
---|
| 97 | |
---|
| 98 | public: |
---|
| 99 | |
---|
| 100 | typedef typename xml_attribute<Ch> value_type; |
---|
| 101 | typedef typename xml_attribute<Ch> &reference; |
---|
| 102 | typedef typename xml_attribute<Ch> *pointer; |
---|
| 103 | typedef std::ptrdiff_t difference_type; |
---|
| 104 | typedef std::bidirectional_iterator_tag iterator_category; |
---|
| 105 | |
---|
| 106 | attribute_iterator() |
---|
| 107 | : m_attribute(0) |
---|
| 108 | { |
---|
| 109 | } |
---|
| 110 | |
---|
| 111 | attribute_iterator(xml_node<Ch> *node) |
---|
| 112 | : m_attribute(node->first_attribute()) |
---|
| 113 | { |
---|
| 114 | } |
---|
| 115 | |
---|
| 116 | reference operator *() const |
---|
| 117 | { |
---|
| 118 | assert(m_attribute); |
---|
| 119 | return *m_attribute; |
---|
| 120 | } |
---|
| 121 | |
---|
| 122 | pointer operator->() const |
---|
| 123 | { |
---|
| 124 | assert(m_attribute); |
---|
| 125 | return m_attribute; |
---|
| 126 | } |
---|
| 127 | |
---|
| 128 | attribute_iterator& operator++() |
---|
| 129 | { |
---|
| 130 | assert(m_attribute); |
---|
| 131 | m_attribute = m_attribute->next_attribute(); |
---|
| 132 | return *this; |
---|
| 133 | } |
---|
| 134 | |
---|
| 135 | attribute_iterator operator++(int) |
---|
| 136 | { |
---|
| 137 | attribute_iterator tmp = *this; |
---|
| 138 | ++this; |
---|
| 139 | return tmp; |
---|
| 140 | } |
---|
| 141 | |
---|
| 142 | attribute_iterator& operator--() |
---|
| 143 | { |
---|
| 144 | assert(m_attribute && m_attribute->previous_attribute()); |
---|
| 145 | m_attribute = m_attribute->previous_attribute(); |
---|
| 146 | return *this; |
---|
| 147 | } |
---|
| 148 | |
---|
| 149 | attribute_iterator operator--(int) |
---|
| 150 | { |
---|
| 151 | attribute_iterator tmp = *this; |
---|
| 152 | ++this; |
---|
| 153 | return tmp; |
---|
| 154 | } |
---|
| 155 | |
---|
| 156 | bool operator ==(const attribute_iterator<Ch> &rhs) |
---|
| 157 | { |
---|
| 158 | return m_attribute == rhs.m_attribute; |
---|
| 159 | } |
---|
| 160 | |
---|
| 161 | bool operator !=(const attribute_iterator<Ch> &rhs) |
---|
| 162 | { |
---|
| 163 | return m_attribute != rhs.m_attribute; |
---|
| 164 | } |
---|
| 165 | |
---|
| 166 | private: |
---|
| 167 | |
---|
| 168 | xml_attribute<Ch> *m_attribute; |
---|
| 169 | |
---|
| 170 | }; |
---|
| 171 | |
---|
| 172 | } |
---|
| 173 | |
---|
| 174 | #endif |
---|