Remove unused variables/globals
[lhc/web/wiklou.git] / includes / Metadata.php
index 5f9a13b..463b497 100644 (file)
@@ -1,6 +1,5 @@
 <?php
 /**
- * Provides DublinCore and CreativeCommons metadata
  *
  * Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
  *
@@ -35,9 +34,6 @@ abstract class RdfMetaData {
 
        public abstract function show();
 
-       /**
-        *
-        */
        protected function setup() {
                global $wgOut, $wgRequest;
 
@@ -55,9 +51,6 @@ abstract class RdfMetaData {
                }
        }
 
-       /**
-        *
-        */
        protected function reallyFullUrl() {
                return $this->mArticle->getTitle()->getFullURL();
        }
@@ -95,10 +88,11 @@ abstract class RdfMetaData {
        }
 
        protected function pageOrString( $name, $page, $str ) {
-               if( $page instanceof Title )
+               if( $page instanceof Title ) {
                        $nt = $page;
-               else
+               } else {
                        $nt = Title::newFromText( $page );
+               }
 
                if( !$nt || $nt->getArticleID() == 0 ){
                        $this->element( $name, $str );
@@ -198,122 +192,3 @@ abstract class RdfMetaData {
        }
 }
 
-class DublinCoreRdf extends RdfMetaData {
-
-       public function show(){
-               if( $this->setup() ){
-                       $this->prologue();
-                       $this->basics();
-                       $this->epilogue();
-               }
-       }
-
-       /**
-        * begin of the page
-        */
-       protected function prologue() {
-               $url = htmlspecialchars( $this->reallyFullUrl() );
-               print <<<PROLOGUE
-<?xml version="1.0" encoding="UTF-8" ?>
-<!DOCTYPE rdf:RDF PUBLIC "-//DUBLIN CORE//DCMES DTD 2002/07/31//EN" "http://dublincore.org/documents/2002/07/31/dcmes-xml/dcmes-xml-dtd.dtd">
-<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-       xmlns:dc="http://purl.org/dc/elements/1.1/">
-       <rdf:Description rdf:about="{$url}">
-
-PROLOGUE;
-       }
-
-       /**
-        * end of the page
-        */
-       protected function epilogue() {
-               print <<<EPILOGUE
-       </rdf:Description>
-</rdf:RDF>
-EPILOGUE;
-       }
-}
-
-class CreativeCommonsRdf extends RdfMetaData {
-
-       public function show(){
-               if( $this->setup() ){
-                       global $wgRightsUrl;
-
-                       $url = $this->reallyFullUrl();
-
-                       $this->prologue();
-                       $this->subPrologue('Work', $url);
-
-                       $this->basics();
-                       if( $wgRightsUrl ){
-                               $url = htmlspecialchars( $wgRightsUrl );
-                               print "\t\t<cc:license rdf:resource=\"$url\" />\n";
-                       }
-
-                       $this->subEpilogue('Work');
-
-                       if( $wgRightsUrl ){
-                               $terms = $this->getTerms( $wgRightsUrl );
-                               if( $terms ){
-                                       $this->subPrologue( 'License', $wgRightsUrl );
-                                       $this->license( $terms );
-                                       $this->subEpilogue( 'License' );
-                               }
-                       }
-               }
-
-               $this->epilogue();
-       }
-
-       protected function prologue() {
-               echo <<<PROLOGUE
-<?xml version='1.0'  encoding="UTF-8" ?>
-<rdf:RDF xmlns:cc="http://web.resource.org/cc/"
-       xmlns:dc="http://purl.org/dc/elements/1.1/"
-       xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
-
-PROLOGUE;
-       }
-
-       protected function subPrologue( $type, $url ){
-               $url = htmlspecialchars( $url );
-               echo "\t<cc:{$type} rdf:about=\"{$url}\">\n";
-       }
-
-       protected function subEpilogue($type) {
-               echo "\t</cc:{$type}>\n";
-       }
-
-       protected function license($terms) {
-
-               foreach( $terms as $term ){
-                       switch( $term ) {
-                        case 're':
-                               $this->term('permits', 'Reproduction'); break;
-                        case 'di':
-                               $this->term('permits', 'Distribution'); break;
-                        case 'de':
-                               $this->term('permits', 'DerivativeWorks'); break;
-                        case 'nc':
-                               $this->term('prohibits', 'CommercialUse'); break;
-                        case 'no':
-                               $this->term('requires', 'Notice'); break;
-                        case 'by':
-                               $this->term('requires', 'Attribution'); break;
-                        case 'sa':
-                               $this->term('requires', 'ShareAlike'); break;
-                        case 'sc':
-                               $this->term('requires', 'SourceCode'); break;
-                       }
-               }
-       }
-
-       protected function term( $term, $name ){
-               print "\t\t<cc:{$term} rdf:resource=\"http://web.resource.org/cc/{$name}\" />\n";
-       }
-
-       protected function epilogue() {
-               echo "</rdf:RDF>\n";
-       }
-}