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 |
---|