includes/Namespace.php

   1 <?
   2 # This is a utility class with only static functions
   3 # for dealing with namespaces that encodes all the
   4 # "magic" behaviors of them based on index.  The textual
   5 # names of the namespaces are handled by Language.php.
   6
   7 # Virtual namespaces; these don't appear in the page database:
   8 define("NS_MEDIA", -2);
   9 define("NS_SPECIAL", -1);
  10
  11 # Real namespaces:
  12 define("NS_MAIN", 0);
  13 define("NS_TALK", 1);
  14 define("NS_USER", 2);
  15 define("NS_USER_TALK", 3);
  16 define("NS_WP", 4);
  17 define("NS_WP_TALK", 5);
  18 define("NS_IMAGE", 6);
  19 define("NS_IMAGE_TALK", 7);
  20 define("NS_MEDIAWIKI", 8);
  21 define("NS_MEDIAWIKI_TALK", 9);
  22
  23 class Namespace {
  24
  25         /* These functions are deprecated */
  26         function getSpecial() { return NS_SPECIAL; }
  27         function getUser() { return NS_USER; }
  28         function getWikipedia() { return NS_WP; }
  29         function getImage() { return NS_IMAGE; }
  30         function getMedia() { return NS_MEDIA; }
  31
  32         function isMovable( $index )
  33         {
  34                 if ( $index < NS_MAIN || $index == NS_IMAGE ) {
  35                         return false;
  36                 }
  37                 return true;
  38         }
  39
  40         function isTalk( $index )
  41         {
  42                 if ( NS_TALK == $index || NS_USER_TALK == $index || NS_WP_TALK == $index || NS_IMAGE_TALK == $index || NS_MEDIAWIKI_TALK == $index ) {
  43                         return true;
  44                 }
  45                 return false;
  46         }
  47
  48         # Get the talk namespace corresponding to the given index
  49         #
  50         function getTalk( $index )
  51         {
  52                 if ( Namespace::isTalk( $index ) ) {
  53                         return $index;
  54                 } else {
  55                         # FIXME
  56                         return $index + 1;
  57                 }
  58         }
  59
  60         function getSubject( $index )
  61         {
  62                 if ( Namespace::isTalk( $index ) ) {
  63                         return $index - 1;
  64                 } else {
  65                         return $index;
  66                 }
  67         }
  68 }
  69
  70 ?>