/**
* Initialise and return the list of special page aliases. Returns an object with
- * properties which can be accessed $obj->pagename - each property is an array of
- * aliases; the first in the array is the canonical alias. All registered special
- * pages are guaranteed to have a property entry, and for that property array to
- * contain at least one entry (English fallbacks will be added if necessary).
+ * properties which can be accessed $obj->pagename - each property name is an
+ * alias, with the value being the canonical name of the special page. All
+ * registered special pages are guaranteed to map to themselves.
* @return object
*/
private static function getAliasListObject() {
global $wgContLang;
$aliases = $wgContLang->getSpecialPageAliases();
- $missingPages = self::getPageList();
-
self::$aliases = array();
+ $keepAlias = array();
+
+ // Force every canonical name to be an alias for itself.
+ foreach ( self::getPageList() as $name => $stuff ) {
+ $caseFoldedAlias = $wgContLang->caseFold( $name );
+ self::$aliases[$caseFoldedAlias] = $name;
+ $keepAlias[$caseFoldedAlias] = 'canonical';
+ }
+
// Check for $aliases being an array since Language::getSpecialPageAliases can return null
if ( is_array( $aliases ) ) {
foreach ( $aliases as $realName => $aliasList ) {
- foreach ( $aliasList as $alias ) {
- self::$aliases[$wgContLang->caseFold( $alias )] = $realName;
+ $aliasList = array_values( $aliasList );
+ foreach ( $aliasList as $i => $alias ) {
+ $caseFoldedAlias = $wgContLang->caseFold( $alias );
+
+ if ( isset( self::$aliases[$caseFoldedAlias] ) &&
+ $realName === self::$aliases[$caseFoldedAlias]
+ ) {
+ // Ignore same-realName conflicts
+ continue;
+ }
+
+ if ( !isset( $keepAlias[$caseFoldedAlias] ) ) {
+ self::$aliases[$caseFoldedAlias] = $realName;
+ if ( !$i ) {
+ $keepAlias[$caseFoldedAlias] = 'first';
+ }
+ } elseif ( !$i ) {
+ wfWarn( "First alias '$alias' for $realName conflicts with " .
+ "{$keepAlias[$caseFoldedAlias]} alias for " .
+ self::$aliases[$caseFoldedAlias]
+ );
+ }
}
- unset( $missingPages->$realName );
}
}
- foreach ( $missingPages as $name => $stuff ) {
- self::$aliases[$wgContLang->caseFold( $name )] = $name;
- }
// Cast to object: func()[$key] doesn't work, but func()->$key does
self::$aliases = (object)self::$aliases;
public static function getLocalNameFor( $name, $subpage = false ) {
global $wgContLang;
$aliases = $wgContLang->getSpecialPageAliases();
+ $aliasList = self::getAliasListObject();
- if ( isset( $aliases[$name][0] ) ) {
- $name = $aliases[$name][0];
- } else {
- // Try harder in case someone misspelled the correct casing
+ // Find the first alias that maps back to $name
+ if ( isset( $aliases[$name] ) ) {
$found = false;
- // Check for $aliases being an array since Language::getSpecialPageAliases can return null
+ foreach ( $aliases[$name] as $alias ) {
+ $caseFoldedAlias = $wgContLang->caseFold( $alias );
+ $caseFoldedAlias = str_replace( ' ', '_', $caseFoldedAlias );
+ if ( isset( $aliasList->$caseFoldedAlias ) &&
+ $aliasList->$caseFoldedAlias === $name
+ ) {
+ $name = $alias;
+ $found = true;
+ break;
+ }
+ }
+ if ( !$found ) {
+ wfWarn( "Did not find a usable alias for special page '$name'. " .
+ "It seems all defined aliases conflict?" );
+ }
+ } else {
+ // Check if someone misspelled the correct casing
if ( is_array( $aliases ) ) {
foreach ( $aliases as $n => $values ) {
if ( strcasecmp( $name, $n ) === 0 ) {
wfWarn( "Found alias defined for $n when searching for " .
"special page aliases for $name. Case mismatch?" );
- $name = $values[0];
- $found = true;
- break;
+ return self::getLocalNameFor( $n, $subpage );
}
}
}
- if ( !$found ) {
- wfWarn( "Did not find alias for special page '$name'. " .
- "Perhaps no aliases are defined for it?" );
- }
+
+ wfWarn( "Did not find alias for special page '$name'. " .
+ "Perhaps no aliases are defined for it?" );
}
+
if ( $subpage !== false && !is_null( $subpage ) ) {
$name = "$name/$subpage";
}