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[autoinstallsdev/mediawiki.git] / vendor / justinrainbow / json-schema / src / JsonSchema / Constraints / CollectionConstraint.php

diff --git a/vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/CollectionConstraint.php b/vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/CollectionConstraint.php
new file mode 100644 (file)
index 0000000..3c594b3
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+++ b/vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/CollectionConstraint.php
@@ -0,0 +1,147 @@
+<?php
+
+/*
+ * This file is part of the JsonSchema package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace JsonSchema\Constraints;
+
+use JsonSchema\Entity\JsonPointer;
+
+/**
+ * The CollectionConstraint Constraints, validates an array against a given schema
+ *
+ * @author Robert Schönthal <seroscho@googlemail.com>
+ * @author Bruno Prieto Reis <bruno.p.reis@gmail.com>
+ */
+class CollectionConstraint extends Constraint
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function check(&$value, $schema = null, JsonPointer $path = null, $i = null)
+    {
+        // Verify minItems
+        if (isset($schema->minItems) && count($value) < $schema->minItems) {
+            $this->addError($path, 'There must be a minimum of ' . $schema->minItems . ' items in the array', 'minItems', array('minItems' => $schema->minItems));
+        }
+
+        // Verify maxItems
+        if (isset($schema->maxItems) && count($value) > $schema->maxItems) {
+            $this->addError($path, 'There must be a maximum of ' . $schema->maxItems . ' items in the array', 'maxItems', array('maxItems' => $schema->maxItems));
+        }
+
+        // Verify uniqueItems
+        if (isset($schema->uniqueItems) && $schema->uniqueItems) {
+            $unique = $value;
+            if (is_array($value) && count($value)) {
+                $unique = array_map(function ($e) {
+                    return var_export($e, true);
+                }, $value);
+            }
+            if (count(array_unique($unique)) != count($value)) {
+                $this->addError($path, 'There are no duplicates allowed in the array', 'uniqueItems');
+            }
+        }
+
+        // Verify items
+        if (isset($schema->items)) {
+            $this->validateItems($value, $schema, $path, $i);
+        }
+    }
+
+    /**
+     * Validates the items
+     *
+     * @param array            $value
+     * @param \stdClass        $schema
+     * @param JsonPointer|null $path
+     * @param string           $i
+     */
+    protected function validateItems(&$value, $schema = null, JsonPointer $path = null, $i = null)
+    {
+        if (is_object($schema->items)) {
+            // just one type definition for the whole array
+
+            if (isset($schema->items->type)
+                && (
+                    $schema->items->type == 'string'
+                    || $schema->items->type == 'number'
+                    || $schema->items->type == 'integer'
+                )
+                && !isset($schema->additionalItems)
+            ) {
+                // performance optimization
+                $type = $schema->items->type;
+                $typeValidator = $this->factory->createInstanceFor('type');
+                $validator = $this->factory->createInstanceFor($type === 'integer' ? 'number' : $type);
+
+                foreach ($value as $k => &$v) {
+                    $k_path = $this->incrementPath($path, $k);
+                    $typeValidator->check($v, $schema->items, $k_path, $i);
+
+                    $validator->check($v, $schema->items, $k_path, $i);
+                }
+                unset($v); // remove dangling reference to prevent any future bugs
+                           // caused by accidentally using $v elsewhere
+                $this->addErrors($typeValidator->getErrors());
+                $this->addErrors($validator->getErrors());
+            } else {
+                foreach ($value as $k => &$v) {
+                    $initErrors = $this->getErrors();
+
+                    // First check if its defined in "items"
+                    $this->checkUndefined($v, $schema->items, $path, $k);
+
+                    // Recheck with "additionalItems" if the first test fails
+                    if (count($initErrors) < count($this->getErrors()) && (isset($schema->additionalItems) && $schema->additionalItems !== false)) {
+                        $secondErrors = $this->getErrors();
+                        $this->checkUndefined($v, $schema->additionalItems, $path, $k);
+                    }
+
+                    // Reset errors if needed
+                    if (isset($secondErrors) && count($secondErrors) < count($this->getErrors())) {
+                        $this->errors = $secondErrors;
+                    } elseif (isset($secondErrors) && count($secondErrors) === count($this->getErrors())) {
+                        $this->errors = $initErrors;
+                    }
+                }
+                unset($v); // remove dangling reference to prevent any future bugs
+                           // caused by accidentally using $v elsewhere
+            }
+        } else {
+            // Defined item type definitions
+            foreach ($value as $k => &$v) {
+                if (array_key_exists($k, $schema->items)) {
+                    $this->checkUndefined($v, $schema->items[$k], $path, $k);
+                } else {
+                    // Additional items
+                    if (property_exists($schema, 'additionalItems')) {
+                        if ($schema->additionalItems !== false) {
+                            $this->checkUndefined($v, $schema->additionalItems, $path, $k);
+                        } else {
+                            $this->addError(
+                                $path, 'The item ' . $i . '[' . $k . '] is not defined and the definition does not allow additional items', 'additionalItems', array('additionalItems' => $schema->additionalItems));
+                        }
+                    } else {
+                        // Should be valid against an empty schema
+                        $this->checkUndefined($v, new \stdClass(), $path, $k);
+                    }
+                }
+            }
+            unset($v); // remove dangling reference to prevent any future bugs
+                       // caused by accidentally using $v elsewhere
+
+            // Treat when we have more schema definitions than values, not for empty arrays
+            if (count($value) > 0) {
+                for ($k = count($value); $k < count($schema->items); $k++) {
+                    $undefinedInstance = $this->factory->createInstanceFor('undefined');
+                    $this->checkUndefined($undefinedInstance, $schema->items[$k], $path, $k);
+                }
+            }
+        }
+    }
+}