Classes

File io/template/parser/syntax/ConstantTemplateSyntaxElement.class.php

File io/template/parser/syntax/ConstantTemplateSyntaxElement.class.php

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<?php
/**
 * @package     IO
 * @subpackage  Template\parser\syntax
 * @copyright   &copy; 2005-2019 PHPBoost
 * @license     https://www.gnu.org/licenses/gpl-3.0.html GNU/GPL-3.0
 * @author      Loic ROUCHON <horn@phpboost.com>
 * @version     PHPBoost 5.2 - last update: 2014 12 22
 * @since       PHPBoost 3.0 - 2010 09 04
*/

class ConstantTemplateSyntaxElement extends AbstractTemplateSyntaxElement
{
    public static function is_element(StringInputStream $input)
    {
        return $input->assert_next('(?:[0-9]+(?:\.[0-9]+)?)|(?:\'[^\']*\')|(?:true)|(?:false)');
    }

    public function parse(TemplateSyntaxParserContext $context, StringInputStream $input, StringOutputStream $output)
    {
        $matches = array();
        if ($input->consume_next('(?P<constant>(?:[0-9]+(?:\.[0-9]+)?)|(?:\'[^\']*\')|(?:true)|(?:false))', '', $matches))
        {
            $constant = $matches['constant'];
            $output->write($constant);
        }
        else
        {
            throw new TemplateRenderingException('invalid constant variable', $input);
        }
    }
}
?>