<?php

namespace Opis\JsonSchema\Parsers;

use Opis\JsonSchema\JsonPointer;

trait DataKeywordTrait
{
    /**
     * @param $value
     * @return JsonPointer|null
     */
    protected function getDataKeywordPointer($value): ?JsonPointer
    {
        if (!is_object($value) || !property_exists($value, '$data') ||
            !is_string($value->{'$data'}) || count(get_object_vars($value)) !== 1) {
            return null;
        }

        return JsonPointer::parse($value->{'$data'});
    }

    /**
     * @param SchemaParser $parser
     * @param string|null $keyword
     * @return bool
     */
    protected function isDataKeywordAllowed(SchemaParser $parser, ?string $keyword = null): bool
    {
        if (!($enabled = $parser->option('allowDataKeyword'))) {
            return false;
        }

        if ($enabled === true) {
            return true;
        }

        if ($keyword === null) {
            return false;
        }

        return is_array($enabled) && in_array($keyword, $enabled);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MjUxNTgzMDE1NjQ1MTc1NCA4MjQ0MTQzOTc1MzY4NjQ3IDQwMjc4NjQzNTc4ODAwMg==