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<?php
class FormFieldConstraintRegex extends AbstractFormFieldConstraint
{
private $error_message;
private $php_regex;
private $js_regex;
private $js_options;
public function __construct($php_regex, $js_regex = '', $error_message = '')
{
if (empty($js_regex))
{
$js_regex = $php_regex;
}
$this->parse_js_regex($js_regex);
$this->php_regex = $php_regex;
if (empty($error_message))
{
$error_message = LangLoader::get_message('form.doesnt_match_regex', 'status-messages-common');
}
$this->set_validation_error_message($error_message);
$this->error_message = $error_message;
}
private function parse_js_regex($regex)
{
$delimiter = $regex[0];
$end_delimiter_position = TextHelper::strrpos($regex, $delimiter);
$js_regex = TextHelper::substr($regex, 1, $end_delimiter_position - 1);
$js_options_chars = str_split(TextHelper::substr($regex, $end_delimiter_position + 1));
$js_options = '';
foreach ($js_options_chars as $option)
{
if (in_array($option, array('i', 'm', 'g')))
$js_options .= $option;
}
$this->js_regex = str_replace('\.', '\\\.', $js_regex);
$this->js_regex = '\'' . str_replace('\'', '\\\'', $this->js_regex) . '\'';
$this->js_options = '\'' . str_replace('\'', '\\\'', $js_options) . '\'';
}
public function validate(FormField $field)
{
$value = $field->get_value();
$is_required = $field->is_required();
if ($value instanceof Date) {
$value = $value->format(Date::FORMAT_ISO_DAY_MONTH_YEAR);
}
if (!empty($value) || $is_required)
{
return preg_match($this->php_regex, $value) > 0;
}
return true;
}
public function get_js_validation(FormField $field)
{
return 'regexFormFieldValidator(' . TextHelper::to_js_string($field->get_id()) .
', ' . $this->js_regex . ', ' . $this->js_options . ', ' . TextHelper::to_js_string($this->error_message) . ')';
}
}
?>