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<?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,
Keyword,
Schema
};
use Opis\JsonSchema\Errors\ValidationError;
class ItemsKeyword implements Keyword
{
use OfTrait;
use IterableDataValidationTrait;
/** @var bool|object|Schema|bool[]|object[]|Schema[] */
protected $value;
protected int $count = -1;
protected bool $alwaysValid;
protected string $keyword;
protected int $startIndex;
/**
* @param bool|object|Schema|bool[]|object[]|Schema[] $value
* @param bool $alwaysValid
* @param string $keyword
* @param int $startIndex
*/
public function __construct($value, bool $alwaysValid = false, string $keyword = 'items', int $startIndex = 0)
{
$this->value = $value;
$this->alwaysValid = $alwaysValid;
if (is_array($value)) {
$this->count = count($value);
}
$this->keyword = $keyword;
$this->startIndex = $startIndex;
}
/**
* @inheritDoc
*/
public function validate(ValidationContext $context, Schema $schema): ?ValidationError
{
if ($this->alwaysValid || $this->value === true) {
if ($this->count === -1) {
$context->markAllAsEvaluatedItems();
} else {
$context->markCountAsEvaluatedItems($this->count);
}
return null;
}
$count = count($context->currentData());
if ($this->startIndex >= $count) {
// Already validated by other keyword
return null;
}
if ($this->value === false) {
if ($count === 0) {
return null;
}
return $this->error($schema, $context, $this->keyword, 'Array must be empty');
}
if ($this->count >= 0) {
$errors = $this->errorContainer($context->maxErrors());
$max = min($count, $this->count);
$evaluated = [];
for ($i = $this->startIndex; $i < $max; $i++) {
if ($this->value[$i] === true) {
$evaluated[] = $i;
continue;
}
if ($this->value[$i] === false) {
$context->addEvaluatedItems($evaluated);
return $this->error($schema, $context, $this->keyword, "Array item at index {index} is not allowed", [
'index' => $i,
]);
}
if (is_object($this->value[$i]) && !($this->value[$i] instanceof Schema)) {
$this->value[$i] = $context->loader()->loadObjectSchema($this->value[$i]);
}
$context->pushDataPath($i);
$error = $this->value[$i]->validate($context);
$context->popDataPath();
if ($error) {
$errors->add($error);
if ($errors->isFull()) {
break;
}
} else {
$evaluated[] = $i;
}
}
$context->addEvaluatedItems($evaluated);
if ($errors->isEmpty()) {
return null;
}
return $this->error($schema, $context, $this->keyword, 'Array items must match corresponding schemas', [],
$errors);
}
if (is_object($this->value) && !($this->value instanceof Schema)) {
$this->value = $context->loader()->loadObjectSchema($this->value);
}
$object = $this->createArrayObject($context);
$error = $this->validateIterableData($schema, $this->value, $context, $this->indexes($this->startIndex, $count),
$this->keyword, 'All array items must match schema', [], $object);
if ($object && $object->count()) {
$context->addEvaluatedItems($object->getArrayCopy());
}
return $error;
}
/**
* @param int $start
* @param int $max
* @return iterable|int[]
*/
protected function indexes(int $start, int $max): iterable
{
for ($i = $start; $i < $max; $i++) {
yield $i;
}
}
}
|