MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / extensions / LocalisationUpdate / reader / PHPReader.php

diff --git a/extensions/LocalisationUpdate/reader/PHPReader.php b/extensions/LocalisationUpdate/reader/PHPReader.php
new file mode 100644 (file)
index 0000000..f314744
--- /dev/null
+++ b/extensions/LocalisationUpdate/reader/PHPReader.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * @file
+ * @author Niklas Laxström
+ * @license GPL-2.0+
+ */
+
+namespace LocalisationUpdate;
+
+/**
+ * Reads MediaWiki PHP i18n files.
+ */
+class PHPReader implements Reader {
+       /// @var string Language tag
+       protected $code;
+
+       public function __construct( $code = null ) {
+               $this->code = $code;
+       }
+
+       public function parse( $contents ) {
+               if ( strpos( $contents, '$messages' ) === false ) {
+                       // This happens for some core languages that only have a fallback.
+                       return [];
+               }
+
+               $php = $this->cleanupFile( $contents );
+               $reader = new \QuickArrayReader( "<?php $php" );
+               $messages = $reader->getVar( 'messages' );
+
+               if ( $this->code ) {
+                       return [ $this->code => $messages ];
+               }
+
+               // Assuming that the array is keyed by language codes
+               return $messages;
+       }
+
+       /**
+        * Removes all unneeded content from a file and returns it.
+        *
+        * @param string $contents String
+        * @return string PHP code without PHP tags
+        */
+       protected function cleanupFile( $contents ) {
+               // We hate the windows vs linux linebreaks.
+               $contents = preg_replace( '/\r\n?/', "\n", $contents );
+
+               // We only want message arrays.
+               $results = [];
+               preg_match_all( '/\$messages(?:.*\s)*?\);/', $contents, $results );
+
+               // But we want them all in one string.
+               return implode( "\n\n", $results[0] );
+       }
+}