smuuf/primi

<?php

declare(strict_types=1);

namespace Smuuf\Primi\Handlers\Kinds;

use \Smuuf\Primi\Context;
use \Smuuf\Primi\Values\TupleValue;
use \Smuuf\Primi\Values\AbstractValue;
use \Smuuf\Primi\Helpers\Func;
use \Smuuf\Primi\Handlers\SimpleHandler;
use \Smuuf\Primi\Handlers\HandlerFactory;

class TupleDefinition extends SimpleHandler {

    protected static function handle(array $node, Context $context) {

        if (empty($node['items'])) {
            return new TupleValue;
        }

        return new TupleValue(self::buildValues($node['items'], $context));

    }

    /**
     * @param array<TypeDef_AstNode> $itemNodes
     * @return array<AbstractValue>
     */
    protected static function buildValues(
        array $itemNodes,
        Context $context
    ): array {

        $result = [];
        foreach ($itemNodes as $itemNode) {
            $result[] = HandlerFactory::runNode($itemNode, $context);
        }

        return $result;

    }

    public static function reduce(array &$node): void {

        // Make sure this is always list, even with one item.
        if (isset($node['items'])) {
            $node['items'] = Func::ensure_indexed($node['items']);
        }

    }

}