MediaWiki 1.15.5

[autoinstallsdev/mediawiki.git] / includes / Namespace.php

diff --git a/includes/Namespace.php b/includes/Namespace.php
index d1d06aca06a43df2743bdc348cd7d4c7fa364cbd..3d618e649f80f7f684c8bae071a7723cc4187277 100644 (file)
--- a/includes/Namespace.php
+++ b/includes/Namespace.php
@@ -1,15 +1,9 @@
 <?php
 /**
  * Provide things related to namespaces
- * @package MediaWiki
+ * @file
  */
- 
-/**
- * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
- */
-if( defined( 'MEDIAWIKI' ) ) {
 
- 
 /**
  * Definitions of the NS_ constants are in Defines.php
  * @private
@@ -17,20 +11,20 @@ if( defined( 'MEDIAWIKI' ) ) {
 $wgCanonicalNamespaceNames = array(
        NS_MEDIA            => 'Media',
        NS_SPECIAL          => 'Special',
-       NS_TALK             => 'Talk',
+       NS_TALK             => 'Talk',
        NS_USER             => 'User',
        NS_USER_TALK        => 'User_talk',
        NS_PROJECT          => 'Project',
        NS_PROJECT_TALK     => 'Project_talk',
-       NS_IMAGE            => 'Image',
-       NS_IMAGE_TALK       => 'Image_talk',
+       NS_FILE             => 'File',
+       NS_FILE_TALK        => 'File_talk',
        NS_MEDIAWIKI        => 'MediaWiki',
        NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
        NS_TEMPLATE         => 'Template',
        NS_TEMPLATE_TALK    => 'Template_talk',
        NS_HELP             => 'Help',
        NS_HELP_TALK        => 'Help_talk',
-       NS_CATEGORY         => 'Category',
+       NS_CATEGORY         => 'Category',
        NS_CATEGORY_TALK    => 'Category_talk',
 );
 
@@ -47,69 +41,89 @@ if( is_array( $wgExtraNamespaces ) ) {
  * These are synonyms for the names given in the language file
  * Users and translators should not change them
  *
- * @package MediaWiki
  */
-class Namespace {
+
+class MWNamespace {
 
        /**
-        * Check if the given namespace might be moved
+        * Can pages in the given namespace be moved?
+        *
+        * @param $index Int: namespace index
         * @return bool
         */
-       function isMovable( $index ) {
-               if ( $index < NS_MAIN || $index == NS_IMAGE  || $index == NS_CATEGORY ) { 
-                       return false; 
-               }
-               return true;
+       public static function isMovable( $index ) {
+               global $wgAllowImageMoving;
+               return !( $index < NS_MAIN || ($index == NS_FILE && !$wgAllowImageMoving)  || $index == NS_CATEGORY );
        }
 
        /**
-        * Check if the give namespace is a talk page
+        * Is the given namespace is a subject (non-talk) namespace?
+        *
+        * @param $index Int: namespace index
         * @return bool
         */
-       function isTalk( $index ) {
-               global $wgExtraNamespaces;
-               return ( $index == NS_TALK           || $index == NS_USER_TALK     ||
-                                $index == NS_PROJECT_TALK   || $index == NS_IMAGE_TALK    ||
-                                $index == NS_MEDIAWIKI_TALK || $index == NS_TEMPLATE_TALK ||
-                                $index == NS_HELP_TALK      || $index == NS_CATEGORY_TALK 
-                                ||  ( (isset($wgExtraNamespaces) && $index % 2) )
-                                );
-               
+       public static function isMain( $index ) {
+               return !self::isTalk( $index );
        }
 
        /**
-        * Get the talk namespace corresponding to the given index
+        * Is the given namespace a talk namespace?
+        *
+        * @param $index Int: namespace index
+        * @return bool
         */
-       function getTalk( $index ) {
-               if ( Namespace::isTalk( $index ) ) {
-                       return $index;
-               } else {
-                       # FIXME
-                       return $index + 1;
-               }
+       public static function isTalk( $index ) {
+               return $index > NS_MAIN
+                       && $index % 2;
        }
 
-       function getSubject( $index ) {
-               if ( Namespace::isTalk( $index ) ) {
-                       return $index - 1;
-               } else {
-                       return $index;
-               }
+       /**
+        * Get the talk namespace index for a given namespace
+        *
+        * @param $index Int: namespace index
+        * @return int
+        */
+       public static function getTalk( $index ) {
+               return self::isTalk( $index )
+                       ? $index
+                       : $index + 1;
+       }
+
+       /**
+        * Get the subject namespace index for a given namespace
+        *
+        * @param $index Int: Namespace index
+        * @return int
+        */
+       public static function getSubject( $index ) {
+               return self::isTalk( $index )
+                       ? $index - 1
+                       : $index;
        }
 
        /**
         * Returns the canonical (English Wikipedia) name for a given index
+        *
+        * @param $index Int: namespace index
+        * @return string or false if no canonical definition.
         */
-       function getCanonicalName( $index ) {
+       public static function getCanonicalName( $index ) {
                global $wgCanonicalNamespaceNames;
-               return $wgCanonicalNamespaceNames[$index];
+               if( isset( $wgCanonicalNamespaceNames[$index] ) ) {
+                       return $wgCanonicalNamespaceNames[$index];
+               } else {
+                       return false;
+               }
        }
 
        /**
         * Returns the index for a given canonical name, or NULL
         * The input *must* be converted to lower case first
+        *
+        * @param $name String: namespace name
+        * @return int
         */
-       function getCanonicalIndex( $name ) {
+       public static function getCanonicalIndex( $name ) {
                global $wgCanonicalNamespaceNames;
                static $xNamespaces = false;
                if ( $xNamespaces === false ) {
@@ -124,7 +138,48 @@ class Namespace {
                        return NULL;
                }
        }
-}
+
+       /**
+        * Can this namespace ever have a talk namespace?
+        *
+        * @param $index Int: namespace index
+        * @return bool
+        */
+        public static function canTalk( $index ) {
+               return $index >= NS_MAIN;
+        }
+
+       /**
+        * Does this namespace contain content, for the purposes of calculating
+        * statistics, etc?
+        *
+        * @param $index Int: index to check
+        * @return bool
+        */
+       public static function isContent( $index ) {
+               global $wgContentNamespaces;
+               return $index == NS_MAIN || in_array( $index, $wgContentNamespaces );
+       }
+
+       /**
+        * Can pages in a namespace be watched?
+        *
+        * @param $index Int
+        * @return bool
+        */
+       public static function isWatchable( $index ) {
+               return $index >= NS_MAIN;
+       }
+
+       /**
+        * Does the namespace allow subpages?
+        *
+        * @param $index int Index to check
+        * @return bool
+        */
+       public static function hasSubpages( $index ) {
+               global $wgNamespacesWithSubpages;
+               return !empty( $wgNamespacesWithSubpages[$index] );
+       }
 
 }
-?>