From c1f9b1f7b1b77776192048005dcc66dcf3df2bfb Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Sat, 27 Dec 2014 15:41:37 +0100
Subject: Update to MediaWiki 1.24.1

---
 includes/title/TitleValue.php | 161 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 includes/title/TitleValue.php

(limited to 'includes/title/TitleValue.php')

diff --git a/includes/title/TitleValue.php b/includes/title/TitleValue.php
new file mode 100644
index 00000000..402247c2
--- /dev/null
+++ b/includes/title/TitleValue.php
@@ -0,0 +1,161 @@
+<?php
+/**
+ * Representation of a page title within %MediaWiki.
+ *
+ * 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
+ *
+ * @file
+ * @license GPL 2+
+ * @author Daniel Kinzler
+ */
+
+/**
+ * Represents a page (or page fragment) title within %MediaWiki.
+ *
+ * @note In contrast to Title, this is designed to be a plain value object. That is,
+ * it is immutable, does not use global state, and causes no side effects.
+ *
+ * @note TitleValue represents the title of a local page (or fragment of a page).
+ * It does not represent a link, and does not support interwiki prefixes etc.
+ *
+ * @see https://www.mediawiki.org/wiki/Requests_for_comment/TitleValue
+ */
+class TitleValue {
+	/**
+	 * @var int
+	 */
+	protected $namespace;
+
+	/**
+	 * @var string
+	 */
+	protected $dbkey;
+
+	/**
+	 * @var string
+	 */
+	protected $fragment;
+
+	/**
+	 * Constructs a TitleValue.
+	 *
+	 * @note TitleValue expects a valid DB key; typically, a TitleValue is constructed either
+	 * from a database entry, or by a TitleParser. We could apply "some" normalization here,
+	 * such as substituting spaces by underscores, but that would encourage the use of
+	 * un-normalized text when constructing TitleValues. For constructing a TitleValue from
+	 * user input or external sources, use a TitleParser.
+	 *
+	 * @param int $namespace The namespace ID. This is not validated.
+	 * @param string $dbkey The page title in valid DBkey form. No normalization is applied.
+	 * @param string $fragment The fragment title. Use '' to represent the whole page.
+	 *   No validation or normalization is applied.
+	 *
+	 * @throws InvalidArgumentException
+	 */
+	public function __construct( $namespace, $dbkey, $fragment = '' ) {
+		if ( !is_int( $namespace ) ) {
+			throw new InvalidArgumentException( '$namespace must be an integer' );
+		}
+
+		if ( !is_string( $dbkey ) ) {
+			throw new InvalidArgumentException( '$dbkey must be a string' );
+		}
+
+		// Sanity check, no full validation or normalization applied here!
+		if ( preg_match( '/^_|[ \r\n\t]|_$/', $dbkey ) ) {
+			throw new InvalidArgumentException( '$dbkey must be a valid DB key: ' . $dbkey );
+		}
+
+		if ( !is_string( $fragment ) ) {
+			throw new InvalidArgumentException( '$fragment must be a string' );
+		}
+
+		if ( $dbkey === '' ) {
+			throw new InvalidArgumentException( '$dbkey must not be empty' );
+		}
+
+		$this->namespace = $namespace;
+		$this->dbkey = $dbkey;
+		$this->fragment = $fragment;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getNamespace() {
+		return $this->namespace;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getFragment() {
+		return $this->fragment;
+	}
+
+	/**
+	 * Returns the title's DB key, as supplied to the constructor,
+	 * without namespace prefix or fragment.
+	 *
+	 * @return string
+	 */
+	public function getDBkey() {
+		return $this->dbkey;
+	}
+
+	/**
+	 * Returns the title in text form,
+	 * without namespace prefix or fragment.
+	 *
+	 * This is computed from the DB key by replacing any underscores with spaces.
+	 *
+	 * @note To get a title string that includes the namespace and/or fragment,
+	 *       use a TitleFormatter.
+	 *
+	 * @return string
+	 */
+	public function getText() {
+		return str_replace( '_', ' ', $this->getDBkey() );
+	}
+
+	/**
+	 * Creates a new TitleValue for a different fragment of the same page.
+	 *
+	 * @param string $fragment The fragment name, or "" for the entire page.
+	 *
+	 * @return TitleValue
+	 */
+	public function createFragmentTitle( $fragment ) {
+		return new TitleValue( $this->namespace, $this->dbkey, $fragment );
+	}
+
+	/**
+	 * Returns a string representation of the title, for logging. This is purely informative
+	 * and must not be used programmatically. Use the appropriate TitleFormatter to generate
+	 * the correct string representation for a given use.
+	 *
+	 * @return string
+	 */
+	public function __toString() {
+		$name = $this->namespace . ':' . $this->dbkey;
+
+		if ( $this->fragment !== '' ) {
+			$name .= '#' . $this->fragment;
+		}
+
+		return $name;
+	}
+}
-- 
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