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 class Namespace {
   8
   9         function getSpecial() { return -1; }
  10         function getUser() { return 2; }
  11         function getWikipedia() { return 4; }
  12         function getImage() { return 6; }
  13
  14         function isMovable( $index )
  15         {
  16                 if ( $index < 0 || $index > 5 ) { return false; }
  17                 return true;
  18         }
  19
  20         function isTalk( $index )
  21         {
  22                 if ( 1 == $index || 3 == $index || 5 == $index || 7 == $index ) {
  23                         return true;
  24                 }
  25                 return false;
  26         }
  27
  28         # Get the talk namespace corresponding to the given index
  29         #
  30         function getTalk( $index )
  31         {
  32                 if ( Namespace::isTalk( $index ) ) {
  33                         return $index;
  34                 } else {
  35                         return $index + 1;
  36                 }
  37         }
  38
  39         function getSubject( $index )
  40         {
  41                 if ( Namespace::isTalk( $index ) ) {
  42                         return $index - 1;
  43                 } else {
  44                         return $index;
  45                 }
  46         }
  47 }
  48
  49 ?>