wikimedia/mediawiki-extensions-Translate

<?php
declare( strict_types = 1 );

namespace MediaWiki\Extension\Translate\MessageLoading;

use MediaWiki\Title\Title;

/**
 * Wrapper for message definitions, just to beauty the code.
 * @author Niklas Laxström
 * @copyright Copyright © 2007-2011, Niklas Laxström
 * @license GPL-2.0-or-later
 */
class MessageDefinitions {
    private ?int $namespace;
    /** @var string[] */
    private array $messages;
    /** @var Title[]|null */
    private ?array $pages;

    /**
     * @param string[] $messages
     * @param int|false $namespace
     */
    public function __construct( array $messages, $namespace = false ) {
        $this->messages = $messages;
        $this->namespace = $namespace === false ? null : $namespace;
    }

    /** @return string[] */
    public function getDefinitions(): array {
        return $this->messages;
    }

    /** @return Title[] List of title indexed by message key. */
    public function getPages(): array {
        $namespace = $this->namespace;
        if ( isset( $this->pages ) ) {
            return $this->pages;
        }

        $pages = [];
        foreach ( array_keys( $this->messages ) as $key ) {
            if ( $namespace === null ) {
                // pages are in format ex. "8:jan"
                [ $tns, $tkey ] = explode( ':', $key, 2 );
                $title = Title::makeTitleSafe( (int)$tns, $tkey );
            } else {
                $title = Title::makeTitleSafe( $namespace, $key );
            }

            if ( !$title ) {
                wfWarn( "Invalid title ($namespace:)$key" );
                continue;
            }

            $pages[$key] = $title;
        }

        $this->pages = $pages;

        return $this->pages;
    }
}