103 lines
2.8 KiB
PHP
103 lines
2.8 KiB
PHP
<?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, $delimiter, substr($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;
|
|
}
|
|
}
|