MutableRevisionSlots.php

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<?php
namespace MediaWiki\Revision;
 
use Content;
 
class MutableRevisionSlots extends RevisionSlots {
 
    public static function newFromParentRevisionSlots( array $slots ) {
        $inherited = [];
        foreach ( $slots as $slot ) {
            $role = $slot->getRole();
            $inherited[$role] = SlotRecord::newInherited( $slot );
        }
 
        return new MutableRevisionSlots( $inherited );
    }
 
    public function __construct( array $slots = [] ) {
        parent::__construct( $slots );
    }
 
    public function setSlot( SlotRecord $slot ) {
        if ( !is_array( $this->slots ) ) {
            $this->getSlots(); // initialize $this->slots
        }
 
        $role = $slot->getRole();
        $this->slots[$role] = $slot;
    }
 
    public function inheritSlot( SlotRecord $slot ) {
        $this->setSlot( SlotRecord::newInherited( $slot ) );
    }
 
    public function setContent( $role, Content $content ) {
        $slot = SlotRecord::newUnsaved( $role, $content );
        $this->setSlot( $slot );
    }
 
    public function removeSlot( $role ) {
        if ( !is_array( $this->slots ) ) {
            $this->getSlots();  // initialize $this->slots
        }
 
        unset( $this->slots[$role] );
    }
 
}
 
class_alias( MutableRevisionSlots::class, 'MediaWiki\Storage\MutableRevisionSlots' );