Version 1

[yaffs-website] / vendor / symfony / validator / Constraints / CallbackValidator.php

diff --git a/vendor/symfony/validator/Constraints/CallbackValidator.php b/vendor/symfony/validator/Constraints/CallbackValidator.php
new file mode 100644 (file)
index 0000000..df49204
--- /dev/null
+++ b/vendor/symfony/validator/Constraints/CallbackValidator.php
@@ -0,0 +1,77 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+
+/**
+ * Validator for Callback constraint.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class CallbackValidator extends ConstraintValidator
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function validate($object, Constraint $constraint)
+    {
+        if (!$constraint instanceof Callback) {
+            throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Callback');
+        }
+
+        if (null !== $constraint->callback && null !== $constraint->methods) {
+            throw new ConstraintDefinitionException(
+                'The Callback constraint supports either the option "callback" '.
+                'or "methods", but not both at the same time.'
+            );
+        }
+
+        // has to be an array so that we can differentiate between callables
+        // and method names
+        if (null !== $constraint->methods && !is_array($constraint->methods)) {
+            throw new UnexpectedTypeException($constraint->methods, 'array');
+        }
+
+        $methods = $constraint->methods ?: array($constraint->callback);
+
+        foreach ($methods as $method) {
+            if ($method instanceof \Closure) {
+                $method($object, $this->context);
+            } elseif (is_array($method)) {
+                if (!is_callable($method)) {
+                    if (isset($method[0]) && is_object($method[0])) {
+                        $method[0] = get_class($method[0]);
+                    }
+                    throw new ConstraintDefinitionException(sprintf('%s targeted by Callback constraint is not a valid callable', json_encode($method)));
+                }
+
+                call_user_func($method, $object, $this->context);
+            } elseif (null !== $object) {
+                if (!method_exists($object, $method)) {
+                    throw new ConstraintDefinitionException(sprintf('Method "%s" targeted by Callback constraint does not exist in class %s', $method, get_class($object)));
+                }
+
+                $reflMethod = new \ReflectionMethod($object, $method);
+
+                if ($reflMethod->isStatic()) {
+                    $reflMethod->invoke(null, $object, $this->context);
+                } else {
+                    $reflMethod->invoke($object, $this->context);
+                }
+            }
+        }
+    }
+}