add new driver swoole serilaize

Author: inhere

README.md

@@ -1,9 +1,41 @@
-# data-parser utils for php
+# data parser utils
+
+simple data parser for php
+
+driver
+
+- json(by `json_encode`)
+- php(by `serialize`)
+- swoole(by extension `swoole_serialize`)
+- msgpack(by extension `msgpack`)
 
 ## Install
 
+- composer command
+
+```bash
+composer require swoft/data-parser
+```
+
+## Usage
+
+```php
+$parser = new SwooleParser();
+// $parser = new JsonParser();
+// $parser = new PhpParser();
+// $parser = new MsgPackParser();
+
+// encode
+$encoded = $parser->encode($data);
+
+// decode
+$decoded = $parser->encode($encoded);
+```
+
+## Unit testing
+
 ```bash
-composer require mylib/data-parser
+phpunit 
 ```
 
 ## license

src/SwooleParser.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Inhere
+ * Date: 2018/3/29 0029
+ * Time: 19:22
+ */
+
+namespace MyLib\DataParser;
+
+use Swoole\Serialize;
+
+/**
+ * Class SwooleParser
+ * @author inhere <in.798@qq.com>
+ * @link https://wiki.swoole.com/wiki/page/p-serialize.html
+ */
+class SwooleParser implements ParserInterface
+{
+    /**
+     * class constructor.
+     * @throws \RuntimeException
+     */
+    public function __construct()
+    {
+        if (!\class_exists(Serialize::class, false)) {
+            throw new \RuntimeException("The php extension 'swoole_serialize' is required!");
+        }
+    }
+
+    /**
+     * @param mixed $data
+     * @return string
+     */
+    public function encode($data): string
+    {
+        return (string)Serialize::pack($data);
+    }
+
+    /**
+     * @param string $data
+     * @return mixed
+     */
+    public function decode(string $data)
+    {
+        return Serialize::unpack($data);
+    }
+}