includes/Namespace.php

   1 <?php
   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 # Reserved:
  24 define("NS_TEMPLATE", 10);
  25 define("NS_TEMPLATE_TALK", 11);
  26
  27 class Namespace {
  28
  29         /* These functions are deprecated */
  30         function getSpecial() { return NS_SPECIAL; }
  31         function getUser() { return NS_USER; }
  32         function getWikipedia() { return NS_WP; }
  33         function getImage() { return NS_IMAGE; }
  34         function getMedia() { return NS_MEDIA; }
  35
  36         function isMovable( $index )
  37         {
  38                 if ( $index < NS_MAIN || $index == NS_IMAGE ) {
  39                         return false;
  40                 }
  41                 return true;
  42         }
  43
  44         function isTalk( $index )
  45         {
  46                 if ( NS_TALK == $index || NS_USER_TALK == $index || NS_WP_TALK == $index || NS_IMAGE_TALK == $index || NS_MEDIAWIKI_TALK == $index ) {
  47                         return true;
  48                 }
  49                 return false;
  50         }
  51
  52         # Get the talk namespace corresponding to the given index
  53         #
  54         function getTalk( $index )
  55         {
  56                 if ( Namespace::isTalk( $index ) ) {
  57                         return $index;
  58                 } else {
  59                         # FIXME
  60                         return $index + 1;
  61                 }
  62         }
  63
  64         function getSubject( $index )
  65         {
  66                 if ( Namespace::isTalk( $index ) ) {
  67                         return $index - 1;
  68                 } else {
  69                         return $index;
  70                 }
  71         }
  72 }
  73
  74 ?>