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:     /**
27:      * The class/object to proxy.
28:      *
29:      * @var string|object
30:      */
31:     protected $_class;
32: 
33:     /**
34:      * The proxied class' reflection
35:      *
36:      * @var \ReflectionClass
37:      */
38:     protected $_reflection;
39: 
40:     /**
41:      * Constructor, sets the default class to use for calling methods
42:      *
43:      * @param string|object $class the default class to proxy
44:      * @throws \ReflectionException
45:      */
46:     public function __construct($class = Validation::class)
47:     {
48:         $this->_class = $class;
49:         $this->_reflection = new ReflectionClass($class);
50:     }
51: 
52:     /**
53:      * Proxies validation method calls to the Validation class.
54:      *
55:      * The last argument (context) will be sliced off, if the validation
56:      * method's last parameter is not named 'context'. This lets
57:      * the various wrapped validation methods to not receive the validation
58:      * context unless they need it.
59:      *
60:      * @param string $method the validation method to call
61:      * @param array $arguments the list of arguments to pass to the method
62:      * @return bool whether or not the validation rule passed
63:      */
64:     public function __call($method, $arguments)
65:     {
66:         $method = $this->_reflection->getMethod($method);
67:         $argumentList = $method->getParameters();
68:         if (array_pop($argumentList)->getName() !== 'context') {
69:             $arguments = array_slice($arguments, 0, -1);
70:         }
71:         $object = is_string($this->_class) ? null : $this->_class;
72: 
73:         return $method->invokeArgs($object, $arguments);
74:     }
75: }
76: