初始化代码

vendor/ramsey/uuid/src/Generator/RandomLibAdapter.php

@@ -0,0 +1,62 @@
+<?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
+ * @link https://benramsey.com/projects/ramsey-uuid/ Documentation
+ * @link https://packagist.org/packages/ramsey/uuid Packagist
+ * @link https://github.com/ramsey/uuid GitHub
+ */
+
+namespace Ramsey\Uuid\Generator;
+
+use RandomLib\Generator;
+use RandomLib\Factory;
+
+/**
+ * RandomLibAdapter provides functionality to generate strings of random
+ * binary data using the paragonie/random-lib library
+ *
+ * @link https://packagist.org/packages/paragonie/random-lib
+ */
+class RandomLibAdapter implements RandomGeneratorInterface
+{
+    /**
+     * @var Generator
+     */
+    private $generator;
+
+    /**
+     * Constructs a `RandomLibAdapter` using a `RandomLib\Generator`
+     *
+     * By default, if no `Generator` is passed in, this creates a high-strength
+     * generator to use when generating random binary data.
+     *
+     * @param Generator $generator An paragonie/random-lib `Generator`
+     */
+    public function __construct(Generator $generator = null)
+    {
+        $this->generator = $generator;
+
+        if ($this->generator === null) {
+            $factory = new Factory();
+
+            $this->generator = $factory->getHighStrengthGenerator();
+        }
+    }
+
+    /**
+     * Generates a string of random binary data of the specified length
+     *
+     * @param integer $length The number of bytes of random binary data to generate
+     * @return string A binary string
+     */
+    public function generate($length)
+    {
+        return $this->generator->generate($length);
+    }
+}