<?php
/* ============================================================================
* Copyright 2020 Zindex Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================================ */
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);
}
}