1. sfValidatorString.class.php
  2. /**
 * sfValidatorString validates a string. It also converts the input value to a string.
 *
 * @package    symfony
 * @subpackage validator
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfValidatorString.class.php 12641 2008-11-04 18:22:00Z fabien $
 */
  3. class sfValidatorString extends sfValidatorBase
  4. {
  5.   /**
  6.    * Configures the current validator.
  7.    *
  8.    * Available options:
  9.    *
  10.    *  * max_length: The maximum length of the string
  11.    *  * min_length: The minimum length of the string
  12.    *
  13.    * Available error codes:
  14.    *
  15.    *  * max_length
  16.    *  * min_length
  17.    *
  18.    * @param array $options   An array of options
  19.    * @param array $messages  An array of error messages
  20.    *
  21.    * @see sfValidatorBase
  22.    */
  23.   protected function configure($options = array(), $messages = array())
  24.   {
  25.     $this->addMessage('max_length', '"%value%" is too long (%max_length% characters max).');
  26.     $this->addMessage('min_length', '"%value%" is too short (%min_length% characters min).');
  28.     $this->addOption('max_length');
  29.     $this->addOption('min_length');
  31.     $this->setOption('empty_value', '');
  32.   }
  34.   /**
  35.    * @see sfValidatorBase
  36.    */
  37.   protected function doClean($value)
  38.   {
  39.     $clean = (string) $value;
  41.     $length = function_exists('mb_strlen') ? mb_strlen($clean, $this->getCharset()) : strlen($clean);
  43.     if ($this->hasOption('max_length') && $length > $this->getOption('max_length'))
  44.     {
  45.       throw new sfValidatorError($this, 'max_length', array('value' => $value, 'max_length' => $this->getOption('max_length')));
  46.     }
  48.     if ($this->hasOption('min_length') && $length < $this->getOption('min_length'))
  49.     {
  50.       throw new sfValidatorError($this, 'min_length', array('value' => $value, 'min_length' => $this->getOption('min_length')));
  51.     }
  53.     return $clean;
  54.   }
  55. }
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