1 files changed, 181 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Options.php b/www/wiki/extensions/SemanticMediaWiki/src/Options.php
new file mode 100644
index 00000000..763a8070
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Options.php
@@ -0,0 +1,181 @@
+<?php
+
+namespace SMW;
+
+use InvalidArgumentException;
+use RuntimeException;
+
+/**
+ * @license GNU GPL v2+
+ * @since 2.3
+ *
+ * @author mwjames
+ */
+class Options {
+
+	/**
+	 * @var array
+	 */
+	protected $options = [];
+
+	/**
+	 * @since 2.3
+	 */
+	public function __construct( array $options = [] ) {
+		$this->options = $options;
+	}
+
+	/**
+	 * @since 2.3
+	 *
+	 * @param string $key
+	 * @param mixed $value
+	 */
+	public function set( $key, $value ) {
+		$this->options[$key] = $value;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param string $key
+	 */
+	public function delete( $key ) {
+		unset( $this->options[ $key ] );
+	}
+
+	/**
+	 * @since 2.3
+	 *
+	 * @param string $key
+	 *
+	 * @return boolean
+	 */
+	public function has( $key ) {
+		return isset( $this->options[$key] ) || array_key_exists( $key, $this->options );
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param string $key
+	 * @param string $value
+	 *
+	 * @return boolean
+	 */
+	public function is( $key, $value ) {
+		return $this->get( $key ) === $value;
+	}
+
+	/**
+	 * @since 2.3
+	 *
+	 * @param string $key
+	 *
+	 * @return string
+	 * @throws InvalidArgumentException
+	 */
+	public function get( $key ) {
+
+		if ( $this->has( $key ) ) {
+			return $this->options[$key];
+		}
+
+		throw new InvalidArgumentException( "{$key} is an unregistered option" );
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param string $key
+	 * @param mixed $default
+	 *
+	 * @return mixed
+	 */
+	public function safeGet( $key, $default = false ) {
+		return $this->has( $key ) ? $this->options[$key] : $default;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param string $key
+	 * @param mixed $default
+	 *
+	 * @return mixed
+	 */
+	public function dotGet( $key, $default = false ) {
+		return $this->digDeep( $this->options, $key, $default );
+	}
+
+	private function digDeep( $array, $key, $default ) {
+
+		if ( strpos( $key, '.' ) !== false ) {
+			$list = explode( '.', $key, 2 );
+
+			foreach ( $list as $k => $v ) {
+				if ( isset( $array[$v] ) ) {
+					return $this->digDeep( $array[$v], $list[$k+1], $default );
+				}
+			}
+		}
+
+		if ( isset( $array[$key] ) ) {
+			return $array[$key];
+		}
+
+		return $default;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param string $key
+	 * @param integer $flag
+	 *
+	 * @return boolean
+	 */
+	public function isFlagSet( $key, $flag ) {
+		return ( ( (int)$this->safeGet( $key, 0 ) & $flag ) == $flag );
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @return array
+	 */
+	public function toArray() {
+		return $this->options;
+	}
+
+	/**
+	 * @deprecated since 3.0, use Options::toArray
+	 * @since 2.4
+	 *
+	 * @return array
+	 */
+	public function getOptions() {
+		return $this->toArray();
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param array $keys
+	 *
+	 * @return array
+	 */
+	public function filter( array $keys ) {
+
+		$options = [];
+
+		foreach ( $keys as $key ) {
+			if ( isset( $this->options[$key] ) ) {
+				$options[$key] = $this->options[$key];
+			}
+		}
+
+		return $options;
+	}
+
+}