122 lines
4.9 KiB
PHP
122 lines
4.9 KiB
PHP
<?php
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/*
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* This file is part of the JsonSchema package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace JsonSchema\Constraints;
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use JsonSchema\Entity\JsonPointer;
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/**
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* The CollectionConstraint Constraints, validates an array against a given schema
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*
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* @author Robert Schönthal <seroscho@googlemail.com>
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* @author Bruno Prieto Reis <bruno.p.reis@gmail.com>
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*/
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class CollectionConstraint extends Constraint
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{
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/**
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* {@inheritdoc}
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*/
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public function check(&$value, $schema = null, ?JsonPointer $path = null, $i = null)
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{
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// Verify minItems
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if (isset($schema->minItems) && count($value) < $schema->minItems) {
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$this->addError($path, 'There must be a minimum of ' . $schema->minItems . ' items in the array', 'minItems', array('minItems' => $schema->minItems));
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}
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// Verify maxItems
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if (isset($schema->maxItems) && count($value) > $schema->maxItems) {
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$this->addError($path, 'There must be a maximum of ' . $schema->maxItems . ' items in the array', 'maxItems', array('maxItems' => $schema->maxItems));
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}
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// Verify uniqueItems
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if (isset($schema->uniqueItems) && $schema->uniqueItems) {
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$unique = $value;
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if (is_array($value) && count($value)) {
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$unique = array_map(function ($e) {
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return var_export($e, true);
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}, $value);
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}
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if (count(array_unique($unique)) != count($value)) {
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$this->addError($path, 'There are no duplicates allowed in the array', 'uniqueItems');
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}
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}
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// Verify items
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if (isset($schema->items)) {
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$this->validateItems($value, $schema, $path, $i);
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}
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}
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/**
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* Validates the items
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*
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* @param array $value
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* @param \stdClass $schema
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* @param JsonPointer|null $path
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* @param string $i
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*/
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protected function validateItems(&$value, $schema = null, ?JsonPointer $path = null, $i = null)
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{
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if (is_object($schema->items)) {
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// just one type definition for the whole array
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foreach ($value as $k => &$v) {
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$initErrors = $this->getErrors();
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// First check if its defined in "items"
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$this->checkUndefined($v, $schema->items, $path, $k);
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// Recheck with "additionalItems" if the first test fails
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if (count($initErrors) < count($this->getErrors()) && (isset($schema->additionalItems) && $schema->additionalItems !== false)) {
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$secondErrors = $this->getErrors();
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$this->checkUndefined($v, $schema->additionalItems, $path, $k);
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}
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// Reset errors if needed
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if (isset($secondErrors) && count($secondErrors) < count($this->getErrors())) {
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$this->errors = $secondErrors;
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} elseif (isset($secondErrors) && count($secondErrors) === count($this->getErrors())) {
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$this->errors = $initErrors;
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}
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}
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unset($v); /* remove dangling reference to prevent any future bugs
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* caused by accidentally using $v elsewhere */
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} else {
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// Defined item type definitions
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foreach ($value as $k => &$v) {
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if (array_key_exists($k, $schema->items)) {
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$this->checkUndefined($v, $schema->items[$k], $path, $k);
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} else {
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// Additional items
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if (property_exists($schema, 'additionalItems')) {
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if ($schema->additionalItems !== false) {
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$this->checkUndefined($v, $schema->additionalItems, $path, $k);
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} else {
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$this->addError(
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$path, 'The item ' . $i . '[' . $k . '] is not defined and the definition does not allow additional items', 'additionalItems', array('additionalItems' => $schema->additionalItems));
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}
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} else {
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// Should be valid against an empty schema
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$this->checkUndefined($v, new \stdClass(), $path, $k);
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}
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}
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}
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unset($v); /* remove dangling reference to prevent any future bugs
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* caused by accidentally using $v elsewhere */
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// Treat when we have more schema definitions than values, not for empty arrays
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if (count($value) > 0) {
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for ($k = count($value); $k < count($schema->items); $k++) {
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$undefinedInstance = $this->factory->createInstanceFor('undefined');
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$this->checkUndefined($undefinedInstance, $schema->items[$k], $path, $k);
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}
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}
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}
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}
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}
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