1 files changed, 140 insertions, 0 deletions
diff --git a/includes/cache/LCStoreStaticArray.php b/includes/cache/LCStoreStaticArray.php
new file mode 100644
index 00000000..fff9bab2
--- /dev/null
+++ b/includes/cache/LCStoreStaticArray.php
@@ -0,0 +1,140 @@
+<?php
+/**
+ *  Localisation cache storage based on PHP files and static arrays.
+ *
+ * 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
+ */
+
+/**
+ * @since 1.26
+ */
+class LCStoreStaticArray implements LCStore {
+	/** @var string|null Current language code. */
+	private $currentLang = null;
+
+	/** @var array Localisation data. */
+	private $data = array();
+
+	/** @var string File name. */
+	private $fname = null;
+
+	/** @var string Directory for cache files. */
+	private $directory;
+
+	public function __construct( $conf = array() ) {
+		global $wgCacheDirectory;
+
+		if ( isset( $conf['directory'] ) ) {
+			$this->directory = $conf['directory'];
+		} else {
+			$this->directory = $wgCacheDirectory;
+		}
+	}
+
+	public function startWrite( $code ) {
+		$this->currentLang = $code;
+		$this->fname = $this->directory . '/' . $code . '.l10n.php';
+		$this->data[$code] = array();
+		if ( file_exists( $this->fname ) ) {
+			$this->data[$code] = require $this->fname;
+		}
+	}
+
+	public function set( $key, $value ) {
+		$this->data[$this->currentLang][$key] = self::encode( $value );
+	}
+
+	/**
+	 * Encodes a value into an array format
+	 *
+	 * @param mixed $value
+	 * @return array
+	 * @throws RuntimeException
+	 */
+	public static function encode( $value ) {
+		if ( is_scalar( $value ) || $value === null ) {
+			// [V]alue
+			return array( 'v', $value );
+		}
+		if ( is_object( $value ) ) {
+			// [S]erialized
+			return array( 's', serialize( $value ) );
+		}
+		if ( is_array( $value ) ) {
+			// [A]rray
+			return array( 'a', array_map( function ( $v ) {
+				return LCStoreStaticArray::encode( $v );
+			}, $value ) );
+		}
+
+		throw new RuntimeException( 'Cannot encode ' . var_export( $value, true ) );
+	}
+
+	/**
+	 * Decode something that was encoded with encode
+	 *
+	 * @param array $encoded
+	 * @return array|mixed
+	 * @throws RuntimeException
+	 */
+	public static function decode( array $encoded ) {
+		$type = $encoded[0];
+		$data = $encoded[1];
+
+		switch ( $type ) {
+		case 'v':
+			return $data;
+		case 's':
+			return unserialize( $data );
+		case 'a':
+			return array_map( function ( $v ) {
+				return LCStoreStaticArray::decode( $v );
+			}, $data );
+		default:
+			throw new RuntimeException(
+				'Unable to decode ' . var_export( $encoded, true ) );
+		}
+	}
+
+	public function finishWrite() {
+		file_put_contents(
+			$this->fname,
+			"<?php\n" .
+			"// Generated by LCStoreStaticArray.php -- do not edit!\n" .
+			"return " .
+			var_export( $this->data[$this->currentLang], true ) . ';'
+		);
+		$this->currentLang = null;
+		$this->fname = null;
+	}
+
+	public function get( $code, $key ) {
+		if ( !array_key_exists( $code, $this->data ) ) {
+			$fname = $this->directory . '/' . $code . '.l10n.php';
+			if ( !file_exists( $fname ) ) {
+				return null;
+			}
+			$this->data[$code] = require $fname;
+		}
+		$data = $this->data[$code];
+		if ( array_key_exists( $key, $data ) ) {
+			return self::decode( $data[$key] );
+		}
+		return null;
+	}
+}