Classes List

Symfony\Component\Validator\Constraints\Regex

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<?php

/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * 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 <bschussek@gmail.com> */
class Regex extends Constraint
{
    const REGEX_FAILED_ERROR = 'de1e3db3-5ed4-4941-aae4-59f3667cc3a3';

    protected static $errorNames = array(
        self::REGEX_FAILED_ERROR => 'REGEX_FAILED_ERROR',
    );

    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. * * @see 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$delimitersubstr($this->pattern1, -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 = '^' === $pattern[0] ? substr($pattern1) : '.*'.$pattern;

        // Trim trailing $, otherwise append .*
        $pattern = '$' === $pattern[strlen($pattern) - 1] ? substr($pattern0, -1) : $pattern.'.*';

        return $pattern;
    }
}