From d9022f63880ce039446fba8364f68e656b7bf4cb Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Thu, 3 May 2012 13:01:35 +0200
Subject: Update to MediaWiki 1.19.0

---
 includes/context/DerivativeContext.php | 286 +++++++++++++++++++++++++++++++++
 1 file changed, 286 insertions(+)
 create mode 100644 includes/context/DerivativeContext.php

(limited to 'includes/context/DerivativeContext.php')

diff --git a/includes/context/DerivativeContext.php b/includes/context/DerivativeContext.php
new file mode 100644
index 00000000..5adf3621
--- /dev/null
+++ b/includes/context/DerivativeContext.php
@@ -0,0 +1,286 @@
+<?php
+/**
+ * Request-dependant objects containers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @since 1.19
+ *
+ * @author Daniel Friesen
+ * @file
+ */
+
+/**
+ * An IContextSource implementation which will inherit context from another source
+ * but allow individual pieces of context to be changed locally
+ * eg: A ContextSource that can inherit from the main RequestContext but have
+ *     a different Title instance set on it.
+ */
+class DerivativeContext extends ContextSource {
+
+	/**
+	 * @var WebRequest
+	 */
+	private $request;
+
+	/**
+	 * @var Title
+	 */
+	private $title;
+
+	/**
+	 * @var WikiPage
+	 */
+	private $wikipage;
+
+	/**
+	 * @var OutputPage
+	 */
+	private $output;
+
+	/**
+	 * @var User
+	 */
+	private $user;
+
+	/**
+	 * @var Language
+	 */
+	private $lang;
+
+	/**
+	 * @var Skin
+	 */
+	private $skin;
+
+	/**
+	 * Constructor
+	 * @param $context IContextSource Context to inherit from
+	 */
+	public function __construct( IContextSource $context ) {
+		$this->setContext( $context );
+	}
+
+	/**
+	 * Set the WebRequest object
+	 *
+	 * @param $r WebRequest object
+	 */
+	public function setRequest( WebRequest $r ) {
+		$this->request = $r;
+	}
+
+	/**
+	 * Get the WebRequest object
+	 *
+	 * @return WebRequest
+	 */
+	public function getRequest() {
+		if ( !is_null( $this->request ) ) {
+			return $this->request;
+		} else {
+			return $this->getContext()->getRequest();
+		}
+	}
+
+	/**
+	 * Set the Title object
+	 *
+	 * @param $t Title object
+	 */
+	public function setTitle( Title $t ) {
+		$this->title = $t;
+	}
+
+	/**
+	 * Get the Title object
+	 *
+	 * @return Title
+	 */
+	public function getTitle() {
+		if ( !is_null( $this->title ) ) {
+			return $this->title;
+		} else {
+			return $this->getContext()->getTitle();
+		}
+	}
+
+	/**
+	 * Check whether a WikiPage object can be get with getWikiPage().
+	 * Callers should expect that an exception is thrown from getWikiPage()
+	 * if this method returns false.
+	 *
+	 * @since 1.19
+	 * @return bool
+	 */
+	public function canUseWikiPage() {
+		if ( $this->wikipage !== null ) {
+			return true;
+		} elseif ( $this->title !== null ) {
+			return $this->title->canExist();
+		} else {
+			return $this->getContext()->canUseWikiPage();
+		}
+	}
+
+	/**
+	 * Set the WikiPage object
+	 *
+	 * @since 1.19
+	 * @param $p WikiPage object
+	 */
+	public function setWikiPage( WikiPage $p ) {
+		$this->wikipage = $p;
+	}
+
+	/**
+	 * Get the WikiPage object.
+	 * May throw an exception if there's no Title object set or the Title object
+	 * belongs to a special namespace that doesn't have WikiPage, so use first
+	 * canUseWikiPage() to check whether this method can be called safely.
+	 *
+	 * @since 1.19
+	 * @return WikiPage
+	 */
+	public function getWikiPage() {
+		if ( !is_null( $this->wikipage ) ) {
+			return $this->wikipage;
+		} else {
+			return $this->getContext()->getWikiPage();
+		}
+	}
+
+	/**
+	 * Set the OutputPage object
+	 *
+	 * @param $o OutputPage
+	 */
+	public function setOutput( OutputPage $o ) {
+		$this->output = $o;
+	}
+
+	/**
+	 * Get the OutputPage object
+	 *
+	 * @return OutputPage object
+	 */
+	public function getOutput() {
+		if ( !is_null( $this->output ) ) {
+			return $this->output;
+		} else {
+			return $this->getContext()->getOutput();
+		}
+	}
+
+	/**
+	 * Set the User object
+	 *
+	 * @param $u User
+	 */
+	public function setUser( User $u ) {
+		$this->user = $u;
+	}
+
+	/**
+	 * Get the User object
+	 *
+	 * @return User
+	 */
+	public function getUser() {
+		if ( !is_null( $this->user ) ) {
+			return $this->user;
+		} else {
+			return $this->getContext()->getUser();
+		}
+	}
+
+	/**
+	 * Set the Language object
+	 *
+	 * @deprecated 1.19 Use setLanguage instead
+	 * @param $l Mixed Language instance or language code
+	 */
+	public function setLang( $l ) {
+		wfDeprecated( __METHOD__, '1.19' );
+		$this->setLanguage( $l );
+	}
+
+	/**
+	 * Set the Language object
+	 *
+	 * @param $l Mixed Language instance or language code
+	 * @since 1.19
+	 */
+	public function setLanguage( $l ) {
+		if ( $l instanceof Language ) {
+			$this->lang = $l;
+		} elseif ( is_string( $l ) ) {
+			$l = RequestContext::sanitizeLangCode( $l );
+			$obj = Language::factory( $l );
+			$this->lang = $obj;
+		} else {
+			throw new MWException( __METHOD__ . " was passed an invalid type of data." );
+		}
+	}
+
+	/**
+	 * @deprecated 1.19 Use getLanguage instead
+	 * @return Language
+	 */
+	public function getLang() {
+		wfDeprecated( __METHOD__, '1.19' );
+		$this->getLanguage();
+	}
+
+	/**
+	 * Get the Language object
+	 *
+	 * @return Language
+	 * @since 1.19
+	 */
+	public function getLanguage() {
+		if ( !is_null( $this->lang ) ) {
+			return $this->lang;
+		} else {
+			return $this->getContext()->getLanguage();
+		}
+	}
+
+	/**
+	 * Set the Skin object
+	 *
+	 * @param $s Skin
+	 */
+	public function setSkin( Skin $s ) {
+		$this->skin = clone $s;
+		$this->skin->setContext( $this );
+	}
+
+	/**
+	 * Get the Skin object
+	 *
+	 * @return Skin
+	 */
+	public function getSkin() {
+		if ( !is_null( $this->skin ) ) {
+			return $this->skin;
+		} else {
+			return $this->getContext()->getSkin();
+		}
+	}
+
+}
+
-- 
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