1 files changed, 162 insertions, 0 deletions
diff --git a/www/wiki/includes/content/TextContentHandler.php b/www/wiki/includes/content/TextContentHandler.php
new file mode 100644
index 00000000..4a7944ca
--- /dev/null
+++ b/www/wiki/includes/content/TextContentHandler.php
@@ -0,0 +1,162 @@
+<?php
+/**
+ * Base content handler class for flat text contents.
+ *
+ * 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 1.21
+ *
+ * @file
+ * @ingroup Content
+ */
+
+/**
+ * Base content handler implementation for flat text contents.
+ *
+ * @ingroup Content
+ */
+class TextContentHandler extends ContentHandler {
+
+	public function __construct( $modelId = CONTENT_MODEL_TEXT, $formats = [ CONTENT_FORMAT_TEXT ] ) {
+		parent::__construct( $modelId, $formats );
+	}
+
+	/**
+	 * Returns the content's text as-is.
+	 *
+	 * @param Content $content
+	 * @param string $format The serialization format to check
+	 *
+	 * @return mixed
+	 */
+	public function serializeContent( Content $content, $format = null ) {
+		$this->checkFormat( $format );
+
+		return $content->getNativeData();
+	}
+
+	/**
+	 * Attempts to merge differences between three versions. Returns a new
+	 * Content object for a clean merge and false for failure or a conflict.
+	 *
+	 * All three Content objects passed as parameters must have the same
+	 * content model.
+	 *
+	 * This text-based implementation uses wfMerge().
+	 *
+	 * @param Content $oldContent The page's previous content.
+	 * @param Content $myContent One of the page's conflicting contents.
+	 * @param Content $yourContent One of the page's conflicting contents.
+	 *
+	 * @return Content|bool
+	 */
+	public function merge3( Content $oldContent, Content $myContent, Content $yourContent ) {
+		$this->checkModelID( $oldContent->getModel() );
+		$this->checkModelID( $myContent->getModel() );
+		$this->checkModelID( $yourContent->getModel() );
+
+		$format = $this->getDefaultFormat();
+
+		$old = $this->serializeContent( $oldContent, $format );
+		$mine = $this->serializeContent( $myContent, $format );
+		$yours = $this->serializeContent( $yourContent, $format );
+
+		$ok = wfMerge( $old, $mine, $yours, $result );
+
+		if ( !$ok ) {
+			return false;
+		}
+
+		if ( !$result ) {
+			return $this->makeEmptyContent();
+		}
+
+		$mergedContent = $this->unserializeContent( $result, $format );
+
+		return $mergedContent;
+	}
+
+	/**
+	 * Returns the name of the associated Content class, to
+	 * be used when creating new objects. Override expected
+	 * by subclasses.
+	 *
+	 * @since 1.24
+	 *
+	 * @return string
+	 */
+	protected function getContentClass() {
+		return TextContent::class;
+	}
+
+	/**
+	 * Unserializes a Content object of the type supported by this ContentHandler.
+	 *
+	 * @since 1.21
+	 *
+	 * @param string $text Serialized form of the content
+	 * @param string $format The format used for serialization
+	 *
+	 * @return Content The TextContent object wrapping $text
+	 */
+	public function unserializeContent( $text, $format = null ) {
+		$this->checkFormat( $format );
+
+		$class = $this->getContentClass();
+		return new $class( $text );
+	}
+
+	/**
+	 * Creates an empty TextContent object.
+	 *
+	 * @since 1.21
+	 *
+	 * @return Content A new TextContent object with empty text.
+	 */
+	public function makeEmptyContent() {
+		$class = $this->getContentClass();
+		return new $class( '' );
+	}
+
+	/**
+	 * @see ContentHandler::supportsDirectEditing
+	 *
+	 * @return bool Default is true for TextContent and derivatives.
+	 */
+	public function supportsDirectEditing() {
+		return true;
+	}
+
+	public function getFieldsForSearchIndex( SearchEngine $engine ) {
+		$fields = parent::getFieldsForSearchIndex( $engine );
+		$fields['language'] =
+			$engine->makeSearchFieldMapping( 'language', SearchIndexField::INDEX_TYPE_KEYWORD );
+
+		return $fields;
+	}
+
+	public function getDataForSearchIndex(
+		WikiPage $page,
+		ParserOutput $output,
+		SearchEngine $engine
+	) {
+		$fields = parent::getDataForSearchIndex( $page, $output, $engine );
+		$fields['language'] =
+			$this->getPageLanguage( $page->getTitle(), $page->getContent() )->getCode();
+		return $fields;
+	}
+
+}