includes/config/HashConfig.php

   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  */
  28 class 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 }