includes/registration/ExtensionProcessor.php

   1 <?php
   2
   3 class ExtensionProcessor implements Processor {
   4
   5         /**
   6          * Keys that should be set to $GLOBALS
   7          *
   8          * @var array
   9          */
  10         protected static $globalSettings = array(
  11                 'ResourceLoaderSources',
  12                 'ResourceLoaderLESSVars',
  13                 'ResourceLoaderLESSImportPaths',
  14                 'TrackingCategories',
  15                 'DefaultUserOptions',
  16                 'HiddenPrefs',
  17                 'GroupPermissions',
  18                 'RevokePermissions',
  19                 'ImplicitGroups',
  20                 'GroupsAddToSelf',
  21                 'GroupsRemoveFromSelf',
  22                 'AddGroups',
  23                 'RemoveGroups',
  24                 'AvailableRights',
  25                 'ContentHandlers',
  26                 'ConfigRegistry',
  27                 'RateLimits',
  28                 'ParserTestFiles',
  29                 'RecentChangesFlags',
  30                 'ExtensionFunctions',
  31                 'ExtensionEntryPointListFiles',
  32                 'SpecialPages',
  33                 'SpecialPageGroups',
  34                 'JobClasses',
  35                 'LogTypes',
  36                 'LogRestrictions',
  37                 'FilterLogTypes',
  38                 'LogNames',
  39                 'LogHeaders',
  40                 'LogActions',
  41                 'LogActionsHandlers',
  42                 'Actions',
  43                 'APIModules',
  44                 'APIFormatModules',
  45                 'APIMetaModules',
  46                 'APIPropModules',
  47                 'APIListModules',
  48         );
  49
  50         /**
  51          * Keys that are part of the extension credits
  52          *
  53          * @var array
  54          */
  55         protected static $creditsAttributes = array(
  56                 'name',
  57                 'author',
  58                 'version',
  59                 'url',
  60                 'description',
  61                 'descriptionmsg',
  62                 'license-name',
  63         );
  64
  65         /**
  66          * Stuff that is going to be set to $GLOBALS
  67          *
  68          * Some keys are pre-set to arrays so we can += to them
  69          *
  70          * @var array
  71          */
  72         protected $globals = array(
  73                 'wgExtensionMessagesFiles' => array(),
  74                 'wgMessagesDirs' => array(),
  75         );
  76
  77         /**
  78          * Things that should be define()'d
  79          *
  80          * @var array
  81          */
  82         protected $defines = array();
  83
  84         /**
  85          * Things to be called once registration of these extensions are done
  86          *
  87          * @var callable[]
  88          */
  89         protected $callbacks = array();
  90
  91         /**
  92          * @var array
  93          */
  94         protected $credits = array();
  95
  96         /**
  97          * Any thing else in the $info that hasn't
  98          * already been processed
  99          *
 100          * @var array
 101          */
 102         protected $attributes = array();
 103
 104         /**
 105          * List of keys that have already been processed
 106          *
 107          * @var array
 108          */
 109         protected $processed = array();
 110
 111         /**
 112          * @param string $path
 113          * @param array $info
 114          * @return array
 115          */
 116         public function extractInfo( $path, array $info ) {
 117                 $this->extractConfig( $info );
 118                 $this->extractHooks( $info );
 119                 $dir = dirname( $path );
 120                 $this->extractMessageSettings( $dir, $info );
 121                 $this->extractNamespaces( $info );
 122                 $this->extractResourceLoaderModules( $dir, $info );
 123                 if ( isset( $info['callback'] ) ) {
 124                         $this->callbacks[] = $info['callback'];
 125                         $this->processed[] = 'callback';
 126                 }
 127
 128                 $this->extractCredits( $path, $info );
 129                 foreach ( $info as $key => $val ) {
 130                         if ( in_array( $key, self::$globalSettings ) ) {
 131                                 $this->storeToArray( "wg$key", $val, $this->globals );
 132                         // Ignore anything that starts with a @
 133                         } elseif ( $key[0] !== '@' && !in_array( $key, $this->processed ) ) {
 134                                 $this->storeToArray( $key, $val, $this->attributes );
 135                         }
 136                 }
 137
 138         }
 139
 140         public function getExtractedInfo() {
 141                 return array(
 142                         'globals' => $this->globals,
 143                         'defines' => $this->defines,
 144                         'callbacks' => $this->callbacks,
 145                         'credits' => $this->credits,
 146                         'attributes' => $this->attributes,
 147                 );
 148         }
 149
 150         protected function extractHooks( array $info ) {
 151                 if ( isset( $info['Hooks'] ) ) {
 152                         foreach ( $info['Hooks'] as $name => $callable ) {
 153                                 $this->globals['wgHooks'][$name][] = $callable;
 154                         }
 155                         $this->processed[] = 'Hooks';
 156                 }
 157         }
 158
 159         /**
 160          * Register namespaces with the appropriate global settings
 161          *
 162          * @param array $info
 163          */
 164         protected function extractNamespaces( array $info ) {
 165                 if ( isset( $info['namespaces'] ) ) {
 166                         foreach ( $info['namespaces'] as $ns ) {
 167                                 $id = $ns['id'];
 168                                 $this->defines[$ns['constant']] = $id;
 169                                 $this->globals['wgExtraNamespaces'][$id] = $ns['name'];
 170                                 if ( isset( $ns['gender'] ) ) {
 171                                         $this->globals['wgExtraGenderNamespaces'][$id] = $ns['gender'];
 172                                 }
 173                                 if ( isset( $ns['subpages'] ) && $ns['subpages'] ) {
 174                                         $this->globals['wgNamespacesWithSubpages'][$id] = true;
 175                                 }
 176                                 if ( isset( $ns['content'] ) && $ns['content'] ) {
 177                                         $this->globals['wgContentNamespaces'][] = $id;
 178                                 }
 179                                 if ( isset( $ns['defaultcontentmodel'] ) ) {
 180                                         $this->globals['wgNamespaceContentModels'][$id] = $ns['defaultcontentmodel'];
 181                                 }
 182                         }
 183                         $this->processed[] = 'namespaces';
 184                 }
 185         }
 186
 187         protected function extractResourceLoaderModules( $dir, array $info ) {
 188                 if ( isset( $info['ResourceModules'] ) ) {
 189                         foreach ( $info['ResourceModules'] as $name => $data ) {
 190                                 if ( isset( $data['localBasePath'] ) ) {
 191                                         $data['localBasePath'] = "$dir/{$data['localBasePath']}";
 192                                 }
 193                                 $this->globals['wgResourceModules'][$name] = $data;
 194                         }
 195                 }
 196         }
 197
 198         /**
 199          * Set message-related settings, which need to be expanded to use
 200          * absolute paths
 201          *
 202          * @param string $dir
 203          * @param array $info
 204          */
 205         protected function extractMessageSettings( $dir, array $info ) {
 206                 foreach ( array( 'ExtensionMessagesFiles', 'MessagesDirs' ) as $key ) {
 207                         if ( isset( $info[$key] ) ) {
 208                                 $this->globals["wg$key"] += array_map( function( $file ) use ( $dir ) {
 209                                         return "$dir/$file";
 210                                 }, $info[$key] );
 211                                 $this->processed[] = $key;
 212                         }
 213                 }
 214         }
 215
 216         protected function extractCredits( $path, array $info ) {
 217                 $credits = array(
 218                         'path' => $path,
 219                         'type' => isset( $info['type'] ) ? $info['type'] : 'other',
 220                 );
 221                 $this->processed[] = 'type';
 222                 foreach ( self::$creditsAttributes as $attr ) {
 223                         if ( isset( $info[$attr] ) ) {
 224                                 $credits[$attr] = $info[$attr];
 225                                 $this->processed[] = $attr;
 226                         }
 227                 }
 228
 229                 $this->credits[$credits['name']] = $credits;
 230         }
 231
 232         /**
 233          * Set configuration settings
 234          * @todo In the future, this should be done via Config interfaces
 235          *
 236          * @param array $info
 237          */
 238         protected function extractConfig( array $info ) {
 239                 if ( isset( $info['config'] ) ) {
 240                         foreach ( $info['config'] as $key => $val ) {
 241                                 $this->globals["wg$key"] = $val;
 242                         }
 243                         $this->processed[] = 'config';
 244                 }
 245         }
 246
 247         /**
 248          * @param string $name
 249          * @param mixed $value
 250          * @param array &$array
 251          */
 252         protected function storeToArray( $name, $value, &$array ) {
 253                 if ( isset( $array[$name] ) ) {
 254                         $array[$name] = array_merge_recursive( $array[$name], $value );
 255                 } else {
 256                         $array[$name] = $value;
 257                 }
 258         }
 259 }