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<?php |
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namespace SMW; |
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/** |
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* @license GNU GPL v2+ |
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* @since 1.9 |
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* |
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* @author mwjames |
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* @author others |
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*/ |
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class NamespaceManager { |
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/** |
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* @var array |
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*/ |
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protected $globalVars; |
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/** |
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* @since 1.9 |
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* |
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* @param array &$globalVars |
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*/ |
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public function __construct( &$globalVars ) { |
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$this->globalVars =& $globalVars; |
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} |
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/** |
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* @since 1.9 |
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*/ |
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public function init() { |
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if ( !$this->isDefinedConstant( 'SMW_NS_PROPERTY' ) ) { |
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$this->initCustomNamespace( $this->globalVars ); |
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} |
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if ( empty( $this->globalVars['smwgContLang'] ) ) { |
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$this->globalVars['smwgContLang'] = ExtraneousLanguage::getInstance()->fetchByLanguageCode( $this->globalVars['wgLanguageCode'] ); |
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} |
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$this->addNamespaceSettings(); |
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return true; |
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} |
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/** |
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* @since 2.4 |
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* |
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* @param string $languageCode |
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* |
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* @return array |
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*/ |
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public static function getNamespacesByLanguageCode( $languageCode ) { |
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$GLOBALS['smwgContLang'] = ExtraneousLanguage::getInstance()->fetchByLanguageCode( $languageCode ); |
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return $GLOBALS['smwgContLang']->getNamespaces(); |
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} |
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/** |
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* @see Hooks:CanonicalNamespaces |
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* |
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* @since 1.9 |
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* |
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* @return array |
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*/ |
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public static function getCanonicalNames() { |
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$canonicalNames = array( |
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SMW_NS_PROPERTY => 'Property', |
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SMW_NS_PROPERTY_TALK => 'Property_talk', |
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SMW_NS_TYPE => 'Type', |
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SMW_NS_TYPE_TALK => 'Type_talk', |
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SMW_NS_CONCEPT => 'Concept', |
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SMW_NS_CONCEPT_TALK => 'Concept_talk' |
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); |
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return $canonicalNames; |
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} |
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/** |
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* @since 1.9 |
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* |
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* @param integer offset |
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* |
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* @return array |
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*/ |
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public static function buildNamespaceIndex( $offset ) { |
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$namespaceIndex = array( |
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'SMW_NS_PROPERTY' => $offset + 2, |
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'SMW_NS_PROPERTY_TALK' => $offset + 3, |
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'SMW_NS_TYPE' => $offset + 4, |
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'SMW_NS_TYPE_TALK' => $offset + 5, |
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'SF_NS_FORM' => $offset + 6, |
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'SF_NS_FORM_TALK' => $offset + 7, |
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'SMW_NS_CONCEPT' => $offset + 8, |
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'SMW_NS_CONCEPT_TALK' => $offset + 9, |
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); |
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return $namespaceIndex; |
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} |
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/** |
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* 100 and 101 used to be occupied by SMW's now obsolete namespaces |
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* "Relation" and "Relation_Talk" |
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* |
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* 106 and 107 are occupied by the Semantic Forms, we define them here |
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* to offer some (easy but useful) support to SF |
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* |
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* @since 1.9 |
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* |
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* @param array $globalVars |
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*/ |
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public static function initCustomNamespace( &$globalVars ) { |
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$instance = new self( $globalVars ); |
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if ( !isset( $globalVars['smwgNamespaceIndex'] ) ) { |
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$globalVars['smwgNamespaceIndex'] = 100; |
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} |
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foreach ( $instance->buildNamespaceIndex( $globalVars['smwgNamespaceIndex'] ) as $ns => $index ) { |
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if ( !$instance->isDefinedConstant( $ns ) ) { |
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define( $ns, $index ); |
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}; |
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} |
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$globalVars['wgExtraNamespaces'] = ( isset( $globalVars['wgExtraNamespaces'] ) ? $globalVars['wgExtraNamespaces'] : array() ) + self::getCanonicalNames(); |
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} |
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protected function addNamespaceSettings() { |
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$this->isValidConfigurationOrSetDefault( 'wgExtraNamespaces', array() ); |
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$this->isValidConfigurationOrSetDefault( 'wgNamespaceAliases', array() ); |
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/** |
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* @var SMWLanguage $smwgContLang |
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*/ |
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$this->globalVars['wgExtraNamespaces'] = $this->globalVars['smwgContLang']->getNamespaces() + $this->globalVars['wgExtraNamespaces']; |
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$this->globalVars['wgNamespaceAliases'] = array_flip( $this->globalVars['smwgContLang']->getNamespaces() ) + $this->globalVars['wgNamespaceAliases']; |
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// Support subpages only for talk pages by default |
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$this->globalVars['wgNamespacesWithSubpages'] = $this->globalVars['wgNamespacesWithSubpages'] + array( |
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SMW_NS_PROPERTY_TALK => true, |
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SMW_NS_TYPE_TALK => true, |
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SMW_NS_CONCEPT_TALK => true, |
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); |
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// not modified for Semantic MediaWiki |
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/* $this->globalVars['wgNamespacesToBeSearchedDefault'] = array( |
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NS_MAIN => true, |
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); |
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*/ |
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/** |
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* Default settings for the SMW specific NS which can only |
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* be defined after SMW_NS_PROPERTY is declared |
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*/ |
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$smwNamespacesSettings = array( |
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SMW_NS_PROPERTY => true, |
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SMW_NS_PROPERTY_TALK => false, |
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SMW_NS_TYPE => true, |
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SMW_NS_TYPE_TALK => false, |
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SMW_NS_CONCEPT => true, |
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SMW_NS_CONCEPT_TALK => false, |
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); |
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// Combine default values with values specified in other places |
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// (LocalSettings etc.) |
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$this->globalVars['smwgNamespacesWithSemanticLinks'] = array_replace( |
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$smwNamespacesSettings, |
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$this->globalVars['smwgNamespacesWithSemanticLinks'] |
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); |
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} |
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protected function isValidConfigurationOrSetDefault( $element, $default ) { |
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if ( !isset( $this->globalVars[$element] ) || !is_array( $this->globalVars[$element] ) ) { |
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$this->globalVars[$element] = $default; |
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} |
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} |
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protected function isDefinedConstant( $constant ) { |
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return defined( $constant ); |
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} |
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} |
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Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: