adding yaml and unit test

phalcon/config/adapter/yaml.zep

@@ -0,0 +1,54 @@
+
+/*
+ +------------------------------------------------------------------------+
+ | Phalcon Framework                                                      |
+ +------------------------------------------------------------------------+
+ | Copyright (c) 2011-2014 Phalcon Team (http://www.phalconphp.com)       |
+ +------------------------------------------------------------------------+
+ | This source file is subject to the New BSD License that is bundled     |
+ | with this package in the file docs/LICENSE.txt.                        |
+ |                                                                        |
+ | If you did not receive a copy of the license and are unable to         |
+ | obtain it through the world-wide-web, please send an email             |
+ | to license@phalconphp.com so we can send you a copy immediately.       |
+ +------------------------------------------------------------------------+
+ | Authors: Andres Gutierrez <andres@phalconphp.com>                      |
+ |          Eduar Carvajal <eduar@phalconphp.com>                         |
+ +------------------------------------------------------------------------+
+ */
+
+namespace Phalcon\Config\Adapter;
+
+use Phalcon\Config;
+use Phalcon\Config\Exception;
+
+class Yaml extends Config
+{
+
+    /**
+     * Phalcon\Config\Adapter\Yaml constructor
+     *
+     * @param  string                    $filePath
+     * @param  array                     $callbacks
+     * @throws \Phalcon\Config\Exception
+     */
+    public function __construct(string! filePath, array! callbacks = null)
+    {
+        if (!extension_loaded("yaml")) {
+            throw new Exception("Yaml extension not loaded");
+        }
+        var yamlConfig;
+        int ndocs = 0;
+        if callbacks != null {
+            let yamlConfig = yaml_parse_file(filePath, 0, ndocs, callbacks);
+        } else {
+            let yamlConfig = yaml_parse_file(filePath);
+        }
+        if yamlConfig === false {
+            throw new Exception("Configuration file " . basename(filePath) . " can't be loaded");
+        }
+
+        parent::__construct(yamlConfig);
+    }
+
+}

unit-tests/ConfigTest.php

@@ -18,6 +18,9 @@
   +------------------------------------------------------------------------+
 */
 
+define('APPROOT', dirname(__DIR__));
+define('CONFKEY', 'secret');
+
 class ConfigTest extends PHPUnit_Framework_TestCase
 {
 
@@ -227,4 +230,23 @@ public function testJsonConfig()
 		$config = new Phalcon\Config\Adapter\Json('unit-tests/config/config.json');
 		$this->assertTrue($this->_compareConfig($this->_config, $config));
 	}
+
+	public function testYamlConfig()
+    {
+        $config = new Phalcon\Config\Adapter\Yaml('unit-tests/config/config.yml');
+        $this->assertTrue($this->_compareConfig($this->_config, $config));
+    }
+
+    public function testYamlConfigCallback()
+    {
+        $config = new Phalcon\Config\Adapter\Yaml('unit-tests/config/config.yml', array(
+            '!decrypt' => function($value) {
+                return (new Phalcon\Crypt)->setCipher('blowfish')->decryptBase64($value, CONFKEY);
+            },
+            '!approot' => function($value) {
+                return APPROOT . $value;
+            }
+        ));
+        $this->assertTrue($this->_compareConfig($this->_config, $config));
+    }
 }