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1 lars 1 
<?php
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/*
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 * This file is part of the symfony package.
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 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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/**
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 * sfValidatorOr validates an input value if at least one validator passes.
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 *
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 * @package    symfony
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 * @subpackage validator
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 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
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 * @version    SVN: $Id: sfValidatorOr.class.php 21908 2009-09-11 12:06:21Z fabien $
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 */
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class sfValidatorOr extends sfValidatorBase
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{
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  protected
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    $validators = array();
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  /**
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   * Constructor.
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   *
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   * The first argument can be:
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   *
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   *  * null
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   *  * a sfValidatorBase instance
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   *  * an array of sfValidatorBase instances
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   *
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   * @param mixed $validators  Initial validators
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   * @param array $options     An array of options
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   * @param array $messages    An array of error messages
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   *
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   * @see sfValidatorBase
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   */
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  public function __construct($validators = null, $options = array(), $messages = array())
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  {
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    if ($validators instanceof sfValidatorBase)
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    {
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      $this->addValidator($validators);
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    }
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    else if (is_array($validators))
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    {
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      foreach ($validators as $validator)
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      {
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        $this->addValidator($validator);
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      }
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    }
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    else if (null !== $validators)
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    {
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      throw new InvalidArgumentException('sfValidatorOr constructor takes a sfValidatorBase object, or a sfValidatorBase array.');
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    }
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    parent::__construct($options, $messages);
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  }
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  /**
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   * @see sfValidatorBase
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   */
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  protected function configure($options = array(), $messages = array())
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  {
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    $this->setMessage('invalid', null);
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  }
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  /**
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   * Adds a validator.
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   *
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   * @param sfValidatorBase $validator  An sfValidatorBase instance
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   */
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  public function addValidator(sfValidatorBase $validator)
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  {
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    $this->validators[] = $validator;
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  }
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  /**
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   * Returns an array of the validators.
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   *
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   * @return array An array of sfValidatorBase instances
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   */
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  public function getValidators()
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  {
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    return $this->validators;
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  }
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  /**
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   * @see sfValidatorBase
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   */
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  protected function doClean($value)
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  {
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    $errors = array();
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    foreach ($this->validators as $validator)
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    {
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      try
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      {
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        return $validator->clean($value);
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      }
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      catch (sfValidatorError $e)
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      {
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        $errors[] = $e;
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      }
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    }
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    if ($this->getMessage('invalid'))
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    {
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      throw new sfValidatorError($this, 'invalid', array('value' => $value));
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    }
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    throw new sfValidatorErrorSchema($this, $errors);
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  }
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  /**
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   * @see sfValidatorBase
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   */
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  public function asString($indent = 0)
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  {
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    $validators = '';
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    for ($i = 0, $max = count($this->validators); $i < $max; $i++)
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    {
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      $validators .= "\n".$this->validators[$i]->asString($indent + 2)."\n";
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      if ($i < $max - 1)
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      {
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        $validators .= str_repeat(' ', $indent + 2).'or';
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      }
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      if ($i == $max - 2)
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      {
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        $options = $this->getOptionsWithoutDefaults();
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        $messages = $this->getMessagesWithoutDefaults();
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        if ($options || $messages)
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        {
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          $validators .= sprintf('(%s%s)',
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            $options ? sfYamlInline::dump($options) : ($messages ? '{}' : ''),
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            $messages ? ', '.sfYamlInline::dump($messages) : ''
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          );
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        }
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      }
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    }
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    return sprintf("%s(%s%s)", str_repeat(' ', $indent), $validators, str_repeat(' ', $indent));
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  }
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}