initial commit; version 22.5.12042

libs/Ramsey/Uuid4/Validator/GenericValidator.php

@@ -0,0 +1,50 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Validator;
+
+use Ramsey\Uuid\Uuid;
+
+use function preg_match;
+use function str_replace;
+
+/**
+ * GenericValidator validates strings as UUIDs of any variant
+ *
+ * @psalm-immutable
+ */
+final class GenericValidator implements ValidatorInterface
+{
+    /**
+     * Regular expression pattern for matching a UUID of any variant.
+     */
+    private const VALID_PATTERN = '\A[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}\z';
+
+    /**
+     * @psalm-return non-empty-string
+     * @psalm-suppress MoreSpecificReturnType we know that the retrieved `string` is never empty
+     * @psalm-suppress LessSpecificReturnStatement we know that the retrieved `string` is never empty
+     */
+    public function getPattern(): string
+    {
+        return self::VALID_PATTERN;
+    }
+
+    public function validate(string $uuid): bool
+    {
+        $uuid = str_replace(['urn:', 'uuid:', 'URN:', 'UUID:', '{', '}'], '', $uuid);
+
+        return $uuid === Uuid::NIL || preg_match('/' . self::VALID_PATTERN . '/Dms', $uuid);
+    }
+}

libs/Ramsey/Uuid4/Validator/ValidatorInterface.php

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Validator;
+
+/**
+ * A validator validates a string as a proper UUID
+ *
+ * @psalm-immutable
+ */
+interface ValidatorInterface
+{
+    /**
+     * Returns the regular expression pattern used by this validator
+     *
+     * @return string The regular expression pattern this validator uses
+     *
+     * @psalm-return non-empty-string
+     */
+    public function getPattern(): string;
+
+    /**
+     * Returns true if the provided string represents a UUID
+     *
+     * @param string $uuid The string to validate as a UUID
+     *
+     * @return bool True if the string is a valid UUID, false otherwise
+     */
+    public function validate(string $uuid): bool;
+}