Regex.php in Plug 7

Namespace

Symfony\Component\Validator\Constraints

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/Regex.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Validator\Constraints;

use Symfony\Component\Validator\Constraint;

/**
 * @Annotation
 * @Target({"PROPERTY", "METHOD", "ANNOTATION"})
 *
 * @author Bernhard Schussek <[e-mail]>
 *
 * @api
 */
class Regex extends Constraint {
  public $message = 'This value is not valid.';
  public $pattern;
  public $htmlPattern;
  public $match = true;

  /**
   * {@inheritdoc}
   */
  public function getDefaultOption() {
    return 'pattern';
  }

  /**
   * {@inheritdoc}
   */
  public function getRequiredOptions() {
    return array(
      'pattern',
    );
  }

  /**
   * Converts the htmlPattern to a suitable format for HTML5 pattern.
   * Example: /^[a-z]+$/ would be converted to [a-z]+
   * However, if options are specified, it cannot be converted.
   *
   * Pattern is also ignored if match=false since the pattern should
   * then be reversed before application.
   *
   * @link http://dev.w3.org/html5/spec/single-page.html#the-pattern-attribute
   *
   * @return string|null
   */
  public function getHtmlPattern() {

    // If htmlPattern is specified, use it
    if (null !== $this->htmlPattern) {
      return empty($this->htmlPattern) ? null : $this->htmlPattern;
    }

    // Quit if delimiters not at very beginning/end (e.g. when options are passed)
    if ($this->pattern[0] !== $this->pattern[strlen($this->pattern) - 1]) {
      return;
    }
    $delimiter = $this->pattern[0];

    // Unescape the delimiter
    $pattern = str_replace('\\' . $delimiter, $delimiter, substr($this->pattern, 1, -1));

    // If the pattern is inverted, we can simply wrap it in
    // ((?!pattern).)*
    if (!$this->match) {
      return '((?!' . $pattern . ').)*';
    }

    // If the pattern contains an or statement, wrap the pattern in
    // .*(pattern).* and quit. Otherwise we'd need to parse the pattern
    if (false !== strpos($pattern, '|')) {
      return '.*(' . $pattern . ').*';
    }

    // Trim leading ^, otherwise prepend .*
    $pattern = '^' === $pattern[0] ? substr($pattern, 1) : '.*' . $pattern;

    // Trim trailing $, otherwise append .*
    $pattern = '$' === $pattern[strlen($pattern) - 1] ? substr($pattern, 0, -1) : $pattern . '.*';
    return $pattern;
  }

}

Classes

Name	Description
Regex	@Target({"PROPERTY", "METHOD", "ANNOTATION"})