feat: more support for draft-06

Author: DannyvdSluijs

src/JsonSchema/Constraints/Drafts/Draft06/Draft06Constraint.php

@@ -56,6 +56,7 @@ public function check(&$value, $schema = null, ?JsonPointer $path = null, $i = n
         $this->checkForKeyword('const', $value, $schema, $path, $i);
         $this->checkForKeyword('multipleOf', $value, $schema, $path, $i);
         $this->checkForKeyword('format', $value, $schema, $path, $i);
+        $this->checkForKeyword('pattern', $value, $schema, $path, $i);
     }
 
     /**

src/JsonSchema/Constraints/Drafts/Draft06/Factory.php

@@ -38,6 +38,7 @@ class Factory extends \JsonSchema\Constraints\Factory
         'contains' => ContainsConstraint::class,
         'propertyNames' => PropertiesNamesConstraint::class,
         'patternProperties' => PatternPropertiesConstraint::class,
+        'pattern' => PatternConstraint::class,
         'properties' => PropertiesConstraint::class,
         'items' => ItemsConstraint::class,
     ];

src/JsonSchema/Constraints/Drafts/Draft06/PatternConstraint.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace JsonSchema\Constraints\Drafts\Draft06;
+
+use JsonSchema\ConstraintError;
+use JsonSchema\Constraints\ConstraintInterface;
+use JsonSchema\Entity\ErrorBagProxy;
+use JsonSchema\Entity\JsonPointer;
+
+class PatternConstraint implements ConstraintInterface
+{
+    use ErrorBagProxy;
+
+    /** @var Factory */
+    private $factory;
+
+    public function __construct(?Factory $factory = null)
+    {
+        $this->factory = $factory ?: new Factory();
+        $this->initialiseErrorBag($this->factory);
+    }
+
+    public function check(&$value, $schema = null, ?JsonPointer $path = null, $i = null): void
+    {
+        if (!property_exists($schema, 'pattern')) {
+            return;
+        }
+
+        if (!is_string($value)) {
+            return;
+        }
+
+        if (preg_match('/' . str_replace('/', '\/', $schema->pattern) . '/', $value) === 1) {
+            return;
+        }
+
+        $this->addError(ConstraintError::PATTERN(), $path, ['found' => $value, 'pattern' => $schema->pattern]);
+    }
+}