Add LinkTarget::inNamespace() helper function
[lhc/web/wiklou.git] / includes / linker / LinkTarget.php
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 * @license GPL 2+
20 * @author Addshore
21 */
22 namespace MediaWiki\Linker;
23
24 /**
25 * @since 1.27
26 */
27 interface LinkTarget {
28
29 /**
30 * Get the namespace index.
31 *
32 * @return int Namespace index
33 */
34 public function getNamespace();
35
36 /**
37 * Convenience function to test if it is in the namespace
38 *
39 * @param int $ns
40 * @return bool
41 */
42 public function inNamespace( $ns );
43
44 /**
45 * Get the link fragment (i.e. the bit after the #) in text form.
46 *
47 * @return string link fragment
48 */
49 public function getFragment();
50
51 /**
52 * Whether the link target has a fragment
53 *
54 * @return bool
55 */
56 public function hasFragment();
57
58 /**
59 * Get the main part with underscores.
60 *
61 * @return string Main part of the link, with underscores (for use in href attributes)
62 */
63 public function getDBkey();
64
65 /**
66 * Returns the link in text form, without namespace prefix or fragment.
67 *
68 * This is computed from the DB key by replacing any underscores with spaces.
69 *
70 * @return string
71 */
72 public function getText();
73
74 /**
75 * Creates a new LinkTarget for a different fragment of the same page.
76 * It is expected that the same type of object will be returned, but the
77 * only requirement is that it is a LinkTarget.
78 *
79 * @param string $fragment The fragment name, or "" for the entire page.
80 *
81 * @return LinkTarget
82 */
83 public function createFragmentTarget( $fragment );
84
85 /**
86 * Whether this LinkTarget has an interwiki component
87 *
88 * @return bool
89 */
90 public function isExternal();
91
92 /**
93 * The interwiki component of this LinkTarget
94 *
95 * @return string
96 */
97 public function getInterwiki();
98 }