1<?php
2/**
3 * Copyright 2014
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
19 *
20 * @file
21 */
22
23/**
24 * A Config instance which stores all settings as a member variable
25 *
26 * @since 1.24
27 */
28class HashConfig implements Config, MutableConfig {
29
30	/**
31	 * Array of config settings
32	 *
33	 * @var array
34	 */
35	private $settings;
36
37	/**
38	 * @return HashConfig
39	 */
40	public static function newInstance() {
41		return new HashConfig;
42	}
43
44	/**
45	 * @param array $settings Any current settings to pre-load
46	 */
47	public function __construct( array $settings = [] ) {
48		$this->settings = $settings;
49	}
50
51	/**
52	 * @inheritDoc
53	 */
54	public function get( $name ) {
55		if ( !$this->has( $name ) ) {
56			throw new ConfigException( __METHOD__ . ": undefined option: '$name'" );
57		}
58
59		return $this->settings[$name];
60	}
61
62	/**
63	 * @inheritDoc
64	 * @since 1.24
65	 */
66	public function has( $name ) {
67		return array_key_exists( $name, $this->settings );
68	}
69
70	/**
71	 * @see MutableConfig::set
72	 * @param string $name
73	 * @param mixed $value
74	 */
75	public function set( $name, $value ) {
76		$this->settings[$name] = $value;
77	}
78}
79