<?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\Keywords;
use Opis\JsonSchema\{ValidationContext, Schema, JsonPointer};
use Opis\JsonSchema\Errors\ValidationError;
class RequiredDataKeyword extends RequiredKeyword
{
protected JsonPointer $value;
/** @var callable|null */
protected $filter;
/**
* @param JsonPointer $value
* @param callable|null $filter
*/
public function __construct(JsonPointer $value, ?callable $filter = null)
{
$this->value = $value;
$this->filter = $filter;
parent::__construct([]);
}
/**
* @inheritDoc
*/
public function validate(ValidationContext $context, Schema $schema): ?ValidationError
{
$required = $this->value->data($context->rootData(), $context->currentDataPath(), $this);
if ($required === $this || !is_array($required) || !$this->requiredPropsAreValid($required)) {
return $this->error($schema, $context, 'required', 'Invalid $data', [
'pointer' => (string)$this->value,
]);
}
$required = array_unique($required);
if ($this->filter) {
$required = array_filter($required, $this->filter);
}
if (!$required) {
return null;
}
$this->required = $required;
$ret = parent::validate($context, $schema);
$this->required = null;
return $ret;
}
/**
* @param array $props
* @return bool
*/
protected function requiredPropsAreValid(array $props): bool
{
foreach ($props as $prop) {
if (!is_string($prop)) {
return false;
}
}
return true;
}
}