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_WIKIPEDIA", 4);
  18 define("NS_WP_TALK", 5);
  19 define("NS_WIKIPEDIA_TALK", 5);
  20 define("NS_IMAGE", 6);
  21 define("NS_IMAGE_TALK", 7);
  22 define("NS_MEDIAWIKI", 8);
  23 define("NS_MEDIAWIKI_TALK", 9);
  24 define("NS_TEMPLATE", 10);
  25 define("NS_TEMPLATE_TALK", 11);
  26 define("NS_HELP", 12);
  27 define("NS_HELP_TALK", 13);
  28
  29 class Namespace {
  30
  31         /* These functions are deprecated */
  32         function getSpecial() { return NS_SPECIAL; }
  33         function getUser() { return NS_USER; }
  34         function getWikipedia() { return NS_WP; }
  35         function getImage() { return NS_IMAGE; }
  36         function getMedia() { return NS_MEDIA; }
  37
  38         function isMovable( $index )
  39         {
  40                 if ( $index < NS_MAIN || $index == NS_IMAGE ) {
  41                         return false;
  42                 }
  43                 return true;
  44         }
  45
  46         function isTalk( $index )
  47         {
  48                 if ( NS_TALK == $index || NS_USER_TALK == $index || NS_WP_TALK == $index || NS_IMAGE_TALK == $index || NS_MEDIAWIKI_TALK == $index || NS_TEMPLATE_TALK == $index || NS_HELP_TALK == $index ) {
  49                         return true;
  50                 }
  51                 return false;
  52         }
  53
  54         # Get the talk namespace corresponding to the given index
  55         #
  56         function getTalk( $index )
  57         {
  58                 if ( Namespace::isTalk( $index ) ) {
  59                         return $index;
  60                 } else {
  61                         # FIXME
  62                         return $index + 1;
  63                 }
  64         }
  65
  66         function getSubject( $index )
  67         {
  68                 if ( Namespace::isTalk( $index ) ) {
  69                         return $index - 1;
  70                 } else {
  71                         return $index;
  72                 }
  73         }
  74 }
  75
  76 ?>