1: <?php
 2: /**
 3:  * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 4:  * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 5:  *
 6:  * Licensed under The MIT License
 7:  * For full copyright and license information, please see the LICENSE.txt
 8:  * Redistributions of files must retain the above copyright notice.
 9:  *
10:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
11:  * @link          https://cakephp.org CakePHP(tm) Project
12:  * @since         3.0.0
13:  * @license       https://opensource.org/licenses/mit-license.php MIT License
14:  */
15: namespace Cake\Validation;
16: 
17: use ReflectionClass;
18: 
19: /**
20:  * A Proxy class used to remove any extra arguments when the user intended to call
21:  * a method in another class that is not aware of validation providers signature
22:  */
23: class RulesProvider
24: {
25:     /**
26:      * The class/object to proxy.
27:      *
28:      * @var string|object
29:      */
30:     protected $_class;
31: 
32:     /**
33:      * The proxied class' reflection
34:      *
35:      * @var \ReflectionClass
36:      */
37:     protected $_reflection;
38: 
39:     /**
40:      * Constructor, sets the default class to use for calling methods
41:      *
42:      * @param string|object $class the default class to proxy
43:      * @throws \ReflectionException
44:      */
45:     public function __construct($class = Validation::class)
46:     {
47:         $this->_class = $class;
48:         $this->_reflection = new ReflectionClass($class);
49:     }
50: 
51:     /**
52:      * Proxies validation method calls to the Validation class.
53:      *
54:      * The last argument (context) will be sliced off, if the validation
55:      * method's last parameter is not named 'context'. This lets
56:      * the various wrapped validation methods to not receive the validation
57:      * context unless they need it.
58:      *
59:      * @param string $method the validation method to call
60:      * @param array $arguments the list of arguments to pass to the method
61:      * @return bool whether or not the validation rule passed
62:      */
63:     public function __call($method, $arguments)
64:     {
65:         $method = $this->_reflection->getMethod($method);
66:         $argumentList = $method->getParameters();
67:         if (array_pop($argumentList)->getName() !== 'context') {
68:             $arguments = array_slice($arguments, 0, -1);
69:         }
70:         $object = is_string($this->_class) ? null : $this->_class;
71: 
72:         return $method->invokeArgs($object, $arguments);
73:     }
74: }
75: