Tweak for r29561: don't grab a database object until we need it

[lhc/web/wiklou.git] / includes / CoreParserFunctions.php

diff --git a/includes/CoreParserFunctions.php b/includes/CoreParserFunctions.php
index 2507bda..3f455f6 100644 (file)
--- a/includes/CoreParserFunctions.php
+++ b/includes/CoreParserFunctions.php
@@ -191,7 +191,7 @@ class CoreParserFunctions {
                        return wfMsgForContent( 'nosuchspecialpage' );
                }
        }
-
+       
        public static function defaultsort( $parser, $text ) {
                $text = trim( $text );
                if( strlen( $text ) > 0 )
@@ -211,5 +211,56 @@ class CoreParserFunctions {
                        return '';
                }
        }
+
+       /**
+        * Parser function to extension tag adaptor
+        */
+       public static function tagObj( $parser, $frame, $args ) {
+               $xpath = false;
+               if ( !count( $args ) ) {
+                       return '';
+               }
+               $tagName = strtolower( trim( $frame->expand( array_shift( $args ) ) ) );
+               $stripList = $parser->getStripList();
+               if ( !in_array( $tagName, $stripList ) ) {
+                       return '<span class="error">' . 
+                               wfMsg( 'unknown_extension_tag', $tagName ) . 
+                               '</span>';
+               }
+
+               $lastNumberedNode = false;
+               $attributes = array();
+               foreach ( $args as $arg ) {
+                       if ( !$xpath ) {
+                               $xpath = new DOMXPath( $arg->ownerDocument );
+                       }
+                       $names = $xpath->query( 'name', $arg );
+                       if ( $names->item( 0 )->hasAttributes() ) {
+                               $lastNumberedNode = $arg;
+                       } else {
+                               $name = $frame->expand( $names->item( 0 ), PPFrame::STRIP_COMMENTS );
+                               if ( preg_match( '/^\d+$/', $name ) ) {
+                                       // For = suppression syntax {{#tag|thing|1=2=3=4}}
+                                       $lastNumberedNode = $arg;
+                               } else {
+                                       $values = $xpath->query( 'value', $arg );
+                                       $attributes[$name] = trim( $frame->expand( $values->item( 0 ) ) );
+                               }
+                       }       
+               }
+
+               if ( !$lastNumberedNode ) {
+                       $inner = null;
+               } else {
+                       $values = $xpath->query( 'value', $lastNumberedNode );
+                       $inner = $frame->expand( $values->item( 0 ) );
+               }
+               $params = array(
+                       'name' => $tagName,
+                       'inner' => $inner,
+                       'attributes' => $attributes
+               );
+               return $parser->extensionSubstitution( $params, $frame );
+       }
 }