SkinFactory.php

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<?php
 
use Wikimedia\ObjectFactory;
 
class SkinFactory {
 
    private $factoryFunctions = [];
    private $displayNames = [];
    private $objectFactory;
 
    private $skipSkins = [];
 
    public function __construct( ObjectFactory $objectFactory, array $skipSkins ) {
        $this->objectFactory = $objectFactory;
        $this->skipSkins = $skipSkins;
    }
 
    public function register( $name, $displayName, $spec ) {
        if ( !is_callable( $spec ) ) {
            if ( is_array( $spec ) ) {
                if ( !isset( $spec['args'] ) ) {
                    // make sure name option is set:
                    $spec['args'] = [
                        [ 'name' => $name ]
                    ];
                }
            } else {
                throw new InvalidArgumentException( 'Invalid callback provided' );
            }
        }
        $this->factoryFunctions[$name] = $spec;
        $this->displayNames[$name] = $displayName;
    }
 
    public function getSkinNames() {
        return $this->displayNames;
    }
 
    public function makeSkin( $name ) {
        if ( !isset( $this->factoryFunctions[$name] ) ) {
            throw new SkinException( "No registered builder available for $name." );
        }
 
        return $this->objectFactory->createObject(
            $this->factoryFunctions[$name],
            [
                'allowCallable' => true,
                'assertClass' => Skin::class,
            ]
        );
    }
 
    public function getAllowedSkins() {
        $allowedSkins = $this->getSkinNames();
 
        // Internal skins not intended for general use
        unset( $allowedSkins['fallback'] );
        unset( $allowedSkins['apioutput'] );
 
        foreach ( $this->skipSkins as $skip ) {
            unset( $allowedSkins[$skip] );
        }
 
        return $allowedSkins;
    }
}