1 files changed, 87 insertions, 0 deletions
diff --git a/www/wiki/extensions/Translate/scripts/fallbacks-graph.php b/www/wiki/extensions/Translate/scripts/fallbacks-graph.php
new file mode 100644
index 00000000..e625467b
--- /dev/null
+++ b/www/wiki/extensions/Translate/scripts/fallbacks-graph.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * Script for creating graphml xml file of language fallbacks.
+ *
+ * @author Niklas Laxström
+ *
+ * @license GPL-2.0-or-later
+ * @file
+ */
+
+// Standard boilerplate to define $IP
+if ( getenv( 'MW_INSTALL_PATH' ) !== false ) {
+	$IP = getenv( 'MW_INSTALL_PATH' );
+} else {
+	$dir = __DIR__;
+	$IP = "$dir/../../..";
+}
+require_once "$IP/maintenance/Maintenance.php";
+
+/// Creates graphml xml file of language fallbacks.
+class FallbacksCompare extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->mDescription = 'Creates graphml xml file of language fallbacks.';
+	}
+
+	public function execute() {
+		$template = <<<XML
+<?xml version="1.0" encoding="UTF-8"?>
+<graphml
+	xmlns="http://graphml.graphdrawing.org/xmlns"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns
+		http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd"
+	xmlns:y="http://www.yworks.com/xml/graphml">
+
+	<key id="code" for="node" yfiles.type="nodegraphics"/>
+	<graph id="G" edgedefault="directed">
+$1
+	</graph>
+</graphml>
+
+XML;
+
+		$langs = Language::fetchLanguageNames( null, 'mw' );
+		$nodes = $edges = [];
+		foreach ( $langs as $code => $name ) {
+			$fallbacks = Language::getFallbacksFor( $code );
+			if ( $fallbacks === [ 'en' ] ) {
+				continue;
+			}
+
+			$nodes[$code] = $this->createNode( $code );
+
+			$prev = $code;
+			foreach ( $fallbacks as $fb ) {
+				$nodes[$fb] = $this->createNode( $fb );
+				$edges[$fb . $prev] = Xml::element( 'edge', [ 'source' => $prev, 'target' => $fb ] );
+				$prev = $fb;
+			}
+		}
+
+		$output = array_merge( $nodes, $edges );
+		$output = "\t\t" . implode( "\n\t\t", $output );
+		echo str_replace( '$1', $output, $template );
+	}
+
+	protected function createNode( $code ) {
+		return Xml::openElement( 'node', [ 'id' => $code ] )
+			. Xml::openElement( 'data', [ 'key' => 'code' ] )
+			. Xml::openElement( 'y:Shapenode' )
+			. Xml::element(
+				'y:Geometry',
+				[ 'height' => 30, 'width' => max( 30, 10 * strlen( $code ) ) ],
+				''
+			)
+			. Xml::element( 'y:NodeLabel', [], $code )
+			. Xml::element( 'y:BorderStyle', [ 'hasColor' => 'false' ], '' )
+			. Xml::element( 'y:Fill', [ 'hasColor' => 'false' ], '' )
+			. Xml::closeElement( 'y:Shapenode' )
+			. Xml::closeElement( 'data' )
+			. Xml::closeElement( 'node' );
+	}
+}
+
+$maintClass = FallbacksCompare::class;
+require_once RUN_MAINTENANCE_IF_MAIN;