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1 | <?php |
2 | /** |
3 | * Copyright 2016 |
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 | namespace MediaWiki\Config; |
24 | |
25 | use Wikimedia\Assert\Assert; |
26 | use Wikimedia\Services\SalvageableService; |
27 | |
28 | /** |
29 | * Object which holds currently registered configuration options. |
30 | * |
31 | * @deprecated since 1.42; Introduced but seems unused since inception. |
32 | * @since 1.32 |
33 | */ |
34 | class ConfigRepository implements SalvageableService { |
35 | /** @var ConfigFactory */ |
36 | private $configFactory; |
37 | |
38 | /** @var array */ |
39 | private $configItems = [ |
40 | 'private' => [], |
41 | 'public' => [], |
42 | ]; |
43 | |
44 | /** |
45 | * @param ConfigFactory $configFactory |
46 | */ |
47 | public function __construct( ConfigFactory $configFactory ) { |
48 | $this->configFactory = $configFactory; |
49 | } |
50 | |
51 | /** |
52 | * Returns true, if this repository contains a configuration with a specific name. |
53 | * |
54 | * @param string $name The name of the config to check the existence of |
55 | * @param bool $alsoPrivate If set to true, will check the private config options, too |
56 | * @return bool |
57 | */ |
58 | public function has( $name, $alsoPrivate = false ) { |
59 | return isset( $this->configItems['public'][$name] ) || |
60 | ( $alsoPrivate && isset( $this->configItems['private'][$name] ) ); |
61 | } |
62 | |
63 | /** |
64 | * Returns the ConfigItem with the given name, if there's one. Throws a ConfigException |
65 | * otherwise. |
66 | * |
67 | * @param string $name The name of the configuration option to get |
68 | * @return array |
69 | * @throws ConfigException |
70 | */ |
71 | public function get( $name ) { |
72 | if ( !$this->has( $name, true ) ) { |
73 | throw new ConfigException( 'The configuration option ' . $name . ' does not exist.' ); |
74 | } |
75 | |
76 | return $this->configItems['public'][$name] ?? $this->configItems['private'][$name]; |
77 | } |
78 | |
79 | /** |
80 | * Returns an array of all configuration items saved in this ConfigRepository. This includes |
81 | * all configuration options, including the ones marked as private and public. |
82 | * |
83 | * Note: This function does not do any permission checks or something similar. You should not |
84 | * use this function, if the output will be available to the public audience! Use |
85 | * ConfigRepository::getPublic() instead. |
86 | * |
87 | * @return array |
88 | */ |
89 | public function getAll() { |
90 | return array_merge( $this->configItems['private'], $this->configItems['public'] ); |
91 | } |
92 | |
93 | /** |
94 | * Returns an array of all public configuration options saved in this ConfigRepository. |
95 | * |
96 | * @return array |
97 | */ |
98 | public function getPublic() { |
99 | return $this->configItems['public']; |
100 | } |
101 | |
102 | /** |
103 | * Returns the description of the given config option, This can be either a localized |
104 | * description, if one such, or the (maybe english only) description provided in the |
105 | * definition of the configuration. If both is not provided an empty string is returned. |
106 | * |
107 | * @param string $name The name of the configuration option to get the description of |
108 | * @return string HTML-escaped string |
109 | */ |
110 | public function getDescriptionOf( $name ) { |
111 | $config = $this->get( $name ); |
112 | if ( isset( $config['descriptionmsg'] ) ) { |
113 | return wfMessage( $config['descriptionmsg'] )->escaped(); |
114 | } |
115 | if ( isset( $config['description'] ) ) { |
116 | return htmlspecialchars( $config['description'] ); |
117 | } |
118 | return ''; |
119 | } |
120 | |
121 | /** |
122 | * Adds the definition of a configuration to this repository. |
123 | * |
124 | * @param string $name the name of the config |
125 | * @param array $config Options of this config. Values are: |
126 | * - value: The default value of this configuration, required |
127 | * - providedby: The name of the provider of this config (an extension, core, ...), required |
128 | * - configregistry: The name of the config to retrieve the value with, required |
129 | * - public: whether this option is public or not, if not set, the option is considered as |
130 | * "private", optional |
131 | * - description: the not localized description of this config option, optional |
132 | * - descriptionmsg: The message key of the localized description of this configuration |
133 | * option, optional |
134 | * @throws ConfigException |
135 | */ |
136 | public function add( $name, array $config ) { |
137 | if ( $this->has( $name ) ) { |
138 | throw new ConfigException( 'A configuration with the name ' . $name . |
139 | 'does already exist. It is provided by: ' . |
140 | $this->get( $name )['providedby'] ); |
141 | } |
142 | if ( isset( $config['public'] ) && $config['public'] ) { |
143 | $this->configItems['public'][$name] = $config; |
144 | } else { |
145 | $this->configItems['private'][$name] = $config; |
146 | } |
147 | } |
148 | |
149 | /** |
150 | * Returns true, if there're no elements in this instance, otherwise false. |
151 | * |
152 | * @param bool $includePrivate Whether configuration options, that are marked as private |
153 | * should be included in this check. |
154 | * @return bool |
155 | */ |
156 | public function isEmpty( $includePrivate = false ) { |
157 | if ( $includePrivate ) { |
158 | return empty( $this->configItems['private'] ) && |
159 | empty( $this->configItems[ 'public'] ); |
160 | } |
161 | return empty( $this->configItems['public'] ); |
162 | } |
163 | |
164 | /** |
165 | * Re-uses existing Cache objects from $other. Cache objects are only re-used if the |
166 | * registered factory function for both is the same. |
167 | * |
168 | * @see SalvageableService::salvage() |
169 | * |
170 | * @param SalvageableService $other The object to salvage state from. $other must have the |
171 | * exact same type as $this. |
172 | */ |
173 | public function salvage( SalvageableService $other ) { |
174 | Assert::parameterType( self::class, $other, '$other' ); |
175 | /** @var self $other */ |
176 | '@phan-var self $other'; |
177 | |
178 | foreach ( $other->configItems['public'] as $name => $otherConfig ) { |
179 | if ( isset( $this->configItems['public'][$name] ) ) { |
180 | continue; |
181 | } |
182 | |
183 | $this->add( $name, $otherConfig ); |
184 | } |
185 | foreach ( $other->configItems['private'] as $name => $otherConfig ) { |
186 | if ( isset( $this->configItems['private'][$name] ) ) { |
187 | continue; |
188 | } |
189 | |
190 | $this->add( $name, $otherConfig ); |
191 | } |
192 | |
193 | // disable $other |
194 | $other->configItems = []; |
195 | } |
196 | } |