Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
Total | |
0.00% |
0 / 1 |
n/a |
0 / 0 |
CRAP | n/a |
0 / 0 |
1 | <?php |
2 | /** |
3 | * This program is free software; you can redistribute it and/or modify |
4 | * it under the terms of the GNU General Public License as published by |
5 | * the Free Software Foundation; either version 2 of the License, or |
6 | * (at your option) any later version. |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
16 | * http://www.gnu.org/copyleft/gpl.html |
17 | * |
18 | * @file |
19 | * @ingroup Parser |
20 | */ |
21 | |
22 | namespace MediaWiki\Parser; |
23 | |
24 | /** |
25 | * There are three types of nodes: |
26 | * * Tree nodes, which have a name and contain other nodes as children |
27 | * * Array nodes, which also contain other nodes but aren't considered part of a tree |
28 | * * Leaf nodes, which contain the actual data |
29 | * |
30 | * This interface provides access to the tree structure and to the contents of array nodes, |
31 | * but it does not provide access to the internal structure of leaf nodes. Access to leaf |
32 | * data is provided via two means: |
33 | * * PPFrame::expand(), which provides expanded text |
34 | * * The PPNode::split*() functions, which provide metadata about certain types of tree node |
35 | * @ingroup Parser |
36 | */ |
37 | interface PPNode { |
38 | /** |
39 | * Get an array-type node containing the children of this node. |
40 | * Returns false if this is not a tree node. |
41 | * @return false|PPNode |
42 | */ |
43 | public function getChildren(); |
44 | |
45 | /** |
46 | * Get the first child of a tree node. False if there isn't one. |
47 | * |
48 | * @return false|PPNode |
49 | */ |
50 | public function getFirstChild(); |
51 | |
52 | /** |
53 | * Get the next sibling of any node. False if there isn't one |
54 | * @return false|PPNode |
55 | */ |
56 | public function getNextSibling(); |
57 | |
58 | /** |
59 | * Get all children of this tree node which have a given name. |
60 | * Returns an array-type node, or false if this is not a tree node. |
61 | * @param string $type |
62 | * @return false|PPNode |
63 | */ |
64 | public function getChildrenOfType( $type ); |
65 | |
66 | /** |
67 | * Returns the length of the array, or false if this is not an array-type node |
68 | */ |
69 | public function getLength(); |
70 | |
71 | /** |
72 | * Returns an item of an array-type node |
73 | * @param int $i |
74 | * @return PPNode|false |
75 | */ |
76 | public function item( $i ); |
77 | |
78 | /** |
79 | * Get the name of this node. The following names are defined here: |
80 | * |
81 | * h A heading node. |
82 | * template A double-brace node. |
83 | * tplarg A triple-brace node. |
84 | * title The first argument to a template or tplarg node. |
85 | * part Subsequent arguments to a template or tplarg node. |
86 | * #nodelist An array-type node |
87 | * |
88 | * The subclass may define various other names for tree and leaf nodes. |
89 | * @return string |
90 | */ |
91 | public function getName(); |
92 | |
93 | /** |
94 | * Split a "<part>" node into an associative array containing: |
95 | * name PPNode name |
96 | * index String index |
97 | * value PPNode value |
98 | * @return array |
99 | */ |
100 | public function splitArg(); |
101 | |
102 | /** |
103 | * Split an "<ext>" node into an associative array containing name, attr, inner and close |
104 | * All values in the resulting array are PPNodes. Inner and close are optional. |
105 | * @return array |
106 | */ |
107 | public function splitExt(); |
108 | |
109 | /** |
110 | * Split an "<h>" node |
111 | * @return array |
112 | */ |
113 | public function splitHeading(); |
114 | } |
115 | |
116 | /** @deprecated class alias since 1.43 */ |
117 | class_alias( PPNode::class, 'PPNode' ); |