1 files changed, 31 insertions, 27 deletions

diff --git a/includes/context/DerivativeContext.php b/includes/context/DerivativeContext.php
index fd9bf963..b8966f0c 100644
--- a/includes/context/DerivativeContext.php
+++ b/includes/context/DerivativeContext.php
@@ -66,6 +66,11 @@ class DerivativeContext extends ContextSource {
 	private $skin;
 
 	/**
+	 * @var Config
+	 */
+	private $config;
+
+	/**
 	 * Constructor
 	 * @param IContextSource $context Context to inherit from
 	 */
@@ -74,6 +79,28 @@ class DerivativeContext extends ContextSource {
 	}
 
 	/**
+	 * Set the SiteConfiguration object
+	 *
+	 * @param Config $s
+	 */
+	public function setConfig( Config $s ) {
+		$this->config = $s;
+	}
+
+	/**
+	 * Get the Config object
+	 *
+	 * @return Config
+	 */
+	public function getConfig() {
+		if ( !is_null( $this->config ) ) {
+			return $this->config;
+		} else {
+			return $this->getContext()->getConfig();
+		}
+	}
+
+	/**
 	 * Set the WebRequest object
 	 *
 	 * @param WebRequest $r
@@ -100,17 +127,14 @@ class DerivativeContext extends ContextSource {
 	 *
 	 * @param Title $t
 	 */
-	public function setTitle( $t ) {
-		if ( $t !== null && !$t instanceof Title ) {
-			throw new MWException( __METHOD__ . " expects an instance of Title" );
-		}
+	public function setTitle( Title $t ) {
 		$this->title = $t;
 	}
 
 	/**
 	 * Get the Title object
 	 *
-	 * @return Title
+	 * @return Title|null
 	 */
 	public function getTitle() {
 		if ( !is_null( $this->title ) ) {
@@ -212,17 +236,6 @@ class DerivativeContext extends ContextSource {
 	/**
 	 * Set the Language object
 	 *
-	 * @deprecated since 1.19 Use setLanguage instead
-	 * @param Language|string $l Language instance or language code
-	 */
-	public function setLang( $l ) {
-		wfDeprecated( __METHOD__, '1.19' );
-		$this->setLanguage( $l );
-	}
-
-	/**
-	 * Set the Language object
-	 *
 	 * @param Language|string $l Language instance or language code
 	 * @throws MWException
 	 * @since 1.19
@@ -240,15 +253,6 @@ class DerivativeContext extends ContextSource {
 	}
 
 	/**
-	 * @deprecated since 1.19 Use getLanguage instead
-	 * @return Language
-	 */
-	public function getLang() {
-		wfDeprecated( __METHOD__, '1.19' );
-		$this->getLanguage();
-	}
-
-	/**
 	 * Get the Language object
 	 *
 	 * @return Language
@@ -292,12 +296,12 @@ class DerivativeContext extends ContextSource {
 	 * it would set only the original context, and not take
 	 * into account any changes.
 	 *
-	 * @param String Message name
-	 * @param Variable number of message arguments
+	 * @param mixed $args,... Arguments to wfMessage
 	 * @return Message
 	 */
 	public function msg() {
 		$args = func_get_args();
+
 		return call_user_func_array( 'wfMessage', $args )->setContext( $this );
 	}
 }