3 * Provide things related to namespaces
8 * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
10 if( defined( 'MEDIAWIKI' ) ) {
14 * Definitions of the NS_ constants are in Defines.php
17 $wgCanonicalNamespaceNames = array(
19 NS_SPECIAL => 'Special',
22 NS_USER_TALK => 'User_talk',
23 NS_PROJECT => 'Project',
24 NS_PROJECT_TALK => 'Project_talk',
26 NS_IMAGE_TALK => 'Image_talk',
27 NS_MEDIAWIKI => 'MediaWiki',
28 NS_MEDIAWIKI_TALK => 'MediaWiki_talk',
29 NS_TEMPLATE => 'Template',
30 NS_TEMPLATE_TALK => 'Template_talk',
32 NS_HELP_TALK => 'Help_talk',
33 NS_CATEGORY => 'Category',
34 NS_CATEGORY_TALK => 'Category_talk',
37 if( is_array( $wgExtraNamespaces ) ) {
38 $wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
42 * This is a utility class with only static functions
43 * for dealing with namespaces that encodes all the
44 * "magic" behaviors of them based on index. The textual
45 * names of the namespaces are handled by Language.php.
47 * These are synonyms for the names given in the language file
48 * Users and translators should not change them
55 * Check if the given namespace might be moved
58 function isMovable( $index ) {
59 if ( $index < NS_MAIN || $index == NS_IMAGE || $index == NS_CATEGORY ) {
66 * Check if the give namespace is a talk page
69 function isTalk( $index ) {
70 global $wgExtraNamespaces;
71 return ( $index == NS_TALK || $index == NS_USER_TALK ||
72 $index == NS_PROJECT_TALK || $index == NS_IMAGE_TALK ||
73 $index == NS_MEDIAWIKI_TALK || $index == NS_TEMPLATE_TALK ||
74 $index == NS_HELP_TALK || $index == NS_CATEGORY_TALK
75 || ( (isset($wgExtraNamespaces) && $index % 2) )
81 * Get the talk namespace corresponding to the given index
83 function getTalk( $index ) {
84 if ( Namespace::isTalk( $index ) ) {
92 function getSubject( $index ) {
93 if ( Namespace::isTalk( $index ) ) {
101 * Returns the canonical (English Wikipedia) name for a given index
103 function getCanonicalName( $index ) {
104 global $wgCanonicalNamespaceNames;
105 return $wgCanonicalNamespaceNames[$index];
109 * Returns the index for a given canonical name, or NULL
110 * The input *must* be converted to lower case first
112 function getCanonicalIndex( $name ) {
113 global $wgCanonicalNamespaceNames;
114 static $xNamespaces = false;
115 if ( $xNamespaces === false ) {
116 $xNamespaces = array();
117 foreach ( $wgCanonicalNamespaceNames as $i => $text ) {
118 $xNamespaces[strtolower($text)] = $i;
121 if ( array_key_exists( $name, $xNamespaces ) ) {
122 return $xNamespaces[$name];