TextFormatter.php

Go to the documentation of this file.

<?php
 
namespace MediaWiki\Message;
 
use Wikimedia\Message\ITextFormatter;
use Wikimedia\Message\ListParam;
use Wikimedia\Message\MessageParam;
use Wikimedia\Message\MessageValue;
use Wikimedia\Message\ParamType;
use Message;
 
class TextFormatter implements ITextFormatter {
    private $langCode;
 
    public function __construct( $langCode ) {
        $this->langCode = $langCode;
    }
 
    protected function createMessage( $key ) {
        return new Message( $key );
    }
 
    public function getLangCode() {
        return $this->langCode;
    }
 
    private function convertParam( MessageParam $param ) {
        if ( $param instanceof ListParam ) {
            $convertedElements = [];
            foreach ( $param->getValue() as $element ) {
                $convertedElements[] = $this->convertParam( $element );
            }
            return Message::listParam( $convertedElements, $param->getListType() );
        } elseif ( $param instanceof MessageParam ) {
            $value = $param->getValue();
            if ( $value instanceof MessageValue ) {
                $mv = $value;
                $value = $this->createMessage( $mv->getKey() );
                foreach ( $mv->getParams() as $mvParam ) {
                    $value->params( $this->convertParam( $mvParam ) );
                }
            }
 
            if ( $param->getType() === ParamType::TEXT ) {
                return $value;
            } else {
                return [ $param->getType() => $value ];
            }
        } else {
            throw new \InvalidArgumentException( 'Invalid message parameter type' );
        }
    }
 
    public function format( MessageValue $mv ) {
        $message = $this->createMessage( $mv->getKey() );
        foreach ( $mv->getParams() as $param ) {
            $message->params( $this->convertParam( $param ) );
        }
        $message->inLanguage( $this->langCode );
        return $message->text();
    }
}