[ticket/15305] Add streams

PHPBB3-15305

phpBB/phpbb/storage/adapter/adapter_interface.php

@@ -84,4 +84,26 @@ interface adapter_interface
 	 * 												When the file cannot be copied
 	 */
 	public function copy($path_orig, $path_dest);
+
+	/**
+	 * Reads a file as a stream.
+	 *
+	 * @param string	$path	File to read
+	 *
+	 * @throws \phpbb\storage\exception\exception	When cannot open file
+	 *
+	 * @return resource	Returns a file pointer
+	 */
+	public function read_stream($path);
+
+	/**
+	 * Writes a new file using a stream.
+	 *
+	 * @param string	$path		The target file
+	 * @param resource	$resource	The resource
+	 *
+	 * @throws \phpbb\storage\exception\exception	When target file exists
+	 * 												When target file cannot be created
+	 */
+	public function write_stream($path, $resource);
 }