1: <?php
 2: /**
 3:  * Wei Framework
 4:  *
 5:  * @copyright   Copyright (c) 2008-2015 Twin Huang
 6:  * @license     http://opensource.org/licenses/mit-license.php MIT License
 7:  */
 8: 
 9: namespace Wei\Validator;
10: 
11: /**
12:  * Check if the input is valid by specified regular expression
13:  *
14:  * @author      Twin Huang <twinhuang@qq.com>
15:  */
16: class Regex extends BaseValidator
17: {
18:     protected $patternMessage = '%name% must match against pattern "%pattern%"';
19: 
20:     protected $negativeMessage = '%name% must not match against pattern "%pattern%"';
21: 
22:     /**
23:      * The regex pattern
24:      *
25:      * @var string
26:      */
27:     protected $pattern;
28: 
29:     /**
30:      * Returns whether the $input value is valid
31:      *
32:      * @param mixed $input
33:      * @param null|string $pattern
34:      * @return bool
35:      */
36:     public function __invoke($input, $pattern = null)
37:     {
38:         is_string($pattern) && $this->storeOption('pattern', $pattern);
39: 
40:         return $this->isValid($input);
41:     }
42: 
43:     /**
44:      * {@inheritdoc}
45:      */
46:     protected function doValidate($input)
47:     {
48:         if (!$this->isString($input)) {
49:             $this->addError('notString');
50:             return false;
51:         }
52: 
53:         if (!preg_match($this->pattern, $input)) {
54:             $this->addError('pattern');
55:             return false;
56:         }
57: 
58:         return true;
59:     }
60: }
61: