init

vendor/workerman/validation/library/Rules/Not.php

@@ -0,0 +1,128 @@
+<?php
+
+/*
+ * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * SPDX-License-Identifier: MIT
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use Respect\Validation\Exceptions\ComponentException;
+use Respect\Validation\Exceptions\ValidationException;
+use Respect\Validation\NonNegatable;
+use Respect\Validation\Validatable;
+
+use function array_shift;
+use function count;
+use function current;
+use function get_class;
+use function sprintf;
+
+/**
+ * @author Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * @author Caio César Tavares <caiotava@gmail.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+final class Not extends AbstractRule
+{
+    /**
+     * @var Validatable
+     */
+    private $rule;
+
+    public function __construct(Validatable $rule)
+    {
+        $this->rule = $this->extractNegatedRule($rule);
+    }
+
+    public function getNegatedRule(): Validatable
+    {
+        return $this->rule;
+    }
+
+    public function setName(string $name): Validatable
+    {
+        $this->rule->setName($name);
+
+        return parent::setName($name);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        return $this->rule->validate($input) === false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function assert($input): void
+    {
+        if ($this->validate($input)) {
+            return;
+        }
+
+        $rule = $this->rule;
+        if ($rule instanceof AllOf) {
+            $rule = $this->absorbAllOf($rule, $input);
+        }
+
+        $exception = $rule->reportError($input);
+        $exception->updateMode(ValidationException::MODE_NEGATIVE);
+
+        throw $exception;
+    }
+
+    /**
+     * @param mixed $input
+     */
+    private function absorbAllOf(AllOf $rule, $input): Validatable
+    {
+        $rules = $rule->getRules();
+        while (($current = array_shift($rules))) {
+            $rule = $current;
+            if (!$rule instanceof AllOf) {
+                continue;
+            }
+
+            if (!$rule->validate($input)) {
+                continue;
+            }
+
+            $rules = $rule->getRules();
+        }
+
+        return $rule;
+    }
+
+    private function extractNegatedRule(Validatable $rule): Validatable
+    {
+        if ($rule instanceof NonNegatable) {
+            throw new ComponentException(
+                sprintf(
+                    '"%s" can not be wrapped in Not()',
+                    get_class($rule)
+                )
+            );
+        }
+
+        if ($rule instanceof self && $rule->getNegatedRule() instanceof self) {
+            return $this->extractNegatedRule($rule->getNegatedRule()->getNegatedRule());
+        }
+
+        if (!$rule instanceof AllOf) {
+            return $rule;
+        }
+
+        $rules = $rule->getRules();
+        if (count($rules) === 1) {
+            return $this->extractNegatedRule(current($rules));
+        }
+
+        return $rule;
+    }
+}