1 files changed, 273 insertions, 0 deletions
diff --git a/www/wiki/skins/chameleon/src/Menu/MenuFromLines.php b/www/wiki/skins/chameleon/src/Menu/MenuFromLines.php
new file mode 100644
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+++ b/www/wiki/skins/chameleon/src/Menu/MenuFromLines.php
@@ -0,0 +1,273 @@
+<?php
+/**
+ * File holding the MenuFromLines class
+ *
+ * This file is part of the MediaWiki skin Chameleon.
+ *
+ * @copyright 2013 - 2015, Stephan Gambke
+ * @license   GNU General Public License, version 3 (or any later version)
+ *
+ * The Chameleon skin 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 3 of the License, or (at your option) any
+ * later version.
+ *
+ * The Chameleon skin 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, see <http://www.gnu.org/licenses/>.
+ *
+ * @file
+ * @ingroup   Skins
+ */
+
+namespace Skins\Chameleon\Menu;
+
+use Title;
+
+/**
+ * Class MenuFromLines
+ *
+ * @author  Stephan Gambke
+ * @since   1.0
+ * @ingroup Skins
+ */
+class MenuFromLines extends Menu {
+
+	private $lines = null;
+	private $inContentLanguage = false;
+	private $menuItemData = null;
+
+	private $needsParse = true;
+
+	/** @var Menu[] */
+	private $children = array();
+	private $html = null;
+
+	/**
+	 * @param string[]      $lines
+	 * @param bool          $inContentLanguage
+	 * @param null|string[] $itemData
+	 */
+	public function __construct( &$lines, $inContentLanguage = false, $itemData = null ) {
+
+		$this->lines = &$lines;
+		$this->inContentLanguage = $inContentLanguage;
+
+		if ( $itemData !== null ) {
+			$this->menuItemData = $itemData;
+		} else {
+			$this->menuItemData = array(
+				'text'  => '',
+				'href'  => '#',
+				'depth' => 0
+			);
+		}
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getHtml() {
+
+		if ( $this->html === null ) {
+
+			$this->parseLines();
+			$this->html = $this->buildHtml();
+
+		}
+
+		return $this->html;
+	}
+
+	/**
+	 * @return string[]|null
+	 */
+	public function parseLines() {
+
+		if ( !$this->needsParse ) {
+			return null;
+		}
+
+		$this->needsParse = false;
+
+		$line = $this->getNextLine();
+		$subItemData = $this->parseOneLine( $line );
+
+		while ( $subItemData !== null && $subItemData[ 'depth' ] > $this->menuItemData[ 'depth' ] ) {
+
+			$subItemData = $this->createChildAndParseNextLine( $subItemData );
+
+		}
+
+		return $subItemData;
+	}
+
+	/**
+	 * @return string
+	 */
+	protected function getNextLine() {
+		$line = '';
+
+		while ( count( $this->lines ) > 0 && empty( $line ) ) {
+			$line = trim( array_shift( $this->lines ) );
+		};
+		return $line;
+	}
+
+	/**
+	 * Will return an array of the form
+	 * array(
+	 *   'text'     => $text,  // link text
+	 *   'href'     => $href,  // parsed link target
+	 *   'depth'    => $depth
+	 * );
+	 *
+	 * @param string $rawLine
+	 *
+	 * @return array
+	 */
+	protected function parseOneLine( $rawLine ) {
+
+		if ( empty( $rawLine ) ) {
+			return null;
+		}
+
+		list( $depth, $linkDescription ) = $this->extractDepthAndLine( $rawLine );
+		list( $href, $text ) = $this->extractHrefAndLinkText( $linkDescription );
+
+		return array(
+			'text'  => $text,
+			'href'  => $href,
+			'depth' => $depth
+		);
+	}
+
+	/**
+	 * @param string $rawLine
+	 *
+	 * @return array
+	 */
+	protected function extractDepthAndLine( $rawLine ) {
+
+		$matches = array();
+		preg_match( '/(\**)(.*)/', ltrim( $rawLine ), $matches );
+
+		$depth = strlen( $matches[ 1 ] );
+		$line = $matches[ 2 ];
+
+		return array( $depth, $line );
+	}
+
+	/**
+	 * @param $linkDescription
+	 *
+	 * @return array
+	 */
+	protected function extractHrefAndLinkText( $linkDescription ) {
+
+		$linkAttributes = array_map( 'trim', explode( '|', $linkDescription, 2 ) );
+
+		$linkTarget = trim( trim( $linkAttributes[ 0 ], '[]' ) );
+		$linkTarget = $this->getTextFromMessageName( $linkTarget );
+		$href = $this->getHrefForTarget( $linkTarget );
+
+		$linkDescription = count( $linkAttributes ) > 1 ? $linkAttributes[ 1 ] : '';
+		$text = $linkDescription === '' ? $linkTarget : $this->getTextFromMessageName( $linkDescription );
+
+		return array( $href, $text );
+	}
+
+	/**
+	 * @param string $messageName
+	 *
+	 * @return string
+	 */
+	protected function getTextFromMessageName( $messageName ) {
+		$msgObj = $this->inContentLanguage ? wfMessage( $messageName )->inContentLanguage() : wfMessage( $messageName );
+		$messageText = ( $msgObj->isDisabled() ? $messageName : trim( $msgObj->inContentLanguage()->text() ) );
+		return $messageText;
+	}
+
+	/**
+	 * @param string $linkTarget
+	 *
+	 * @return string
+	 * @throws \MWException
+	 */
+	protected function getHrefForTarget( $linkTarget ) {
+
+		if ( empty( $linkTarget ) ) {
+			return '#';
+		} elseif ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $linkTarget ) || $linkTarget[ 0 ] === '#' ) {
+			return $linkTarget;
+		} else {
+			return $this->getHrefForWikiPage( $linkTarget );
+		}
+	}
+
+	/**
+	 * @param string $linkTarget
+	 *
+	 * @return string
+	 * @throws \MWException
+	 */
+	protected function getHrefForWikiPage( $linkTarget ) {
+		$title = Title::newFromText( $linkTarget );
+
+		if ( $title instanceof Title ) {
+			return $title->fixSpecialName()->getLocalURL();
+		}
+
+		return '#';
+	}
+
+	/**
+	 * @param string[] $subItemData
+	 *
+	 * @return null|string[]
+	 */
+	protected function createChildAndParseNextLine( $subItemData ) {
+		$child = new self( $this->lines, $this->inContentLanguage, $subItemData );
+		$child->setMenuItemFormatter( $this->getMenuItemFormatter() );
+		$child->setItemListFormatter( $this->getItemListFormatter() );
+		$subItemData = $child->parseLines();
+		$this->children[ ] = $child;
+		return $subItemData;
+	}
+
+	/**
+	 * @return string
+	 */
+	protected function buildHtml() {
+
+		$submenuHtml = $this->buildSubmenuHtml();
+
+		if ( $this->menuItemData[ 'text' ] !== '' ) {
+			return $this->getHtmlForMenuItem( $this->menuItemData[ 'href' ], $this->menuItemData[ 'text' ], $this->menuItemData[ 'depth' ], $submenuHtml );
+		} else {
+			return $submenuHtml;
+		}
+	}
+
+	/**
+	 * @return string
+	 */
+	protected function buildSubmenuHtml() {
+
+		if ( empty( $this->children ) ) {
+			return '';
+		}
+
+		$itemList = '';
+		foreach ( $this->children as $child ) {
+			$itemList .= $child->getHtml();
+		}
+
+		return $this->getHtmlForMenuItemList( $itemList, $this->menuItemData[ 'depth' ] );
+	}
+
+}