. */ /** * Factor = [("+" | "-")] Primary * * @package Doctrine * @subpackage Query * @author Guilherme Blanco * @author Janne Vanhala * @license http://www.opensource.org/licenses/lgpl-license.php LGPL * @link http://www.phpdoctrine.org * @since 1.0 * @version $Revision$ */ class Doctrine_Query_Production_Factor extends Doctrine_Query_Production { protected $_type; protected $_primary; public function syntax($paramHolder) { // Factor = [("+" | "-")] Primary if ($this->_isNextToken('+')) { $this->_parser->match('+'); $this->_type = '+'; } elseif ($this->_isNextToken('-')) { $this->_parser->match('-'); $this->_type = '-'; } $this->_primary = $this->AST('Primary', $paramHolder); // Optimize depth instances in AST if ($this->_type === null) { return $this->_primary; } } public function semantical($paramHolder) { $this->_primary->semantical($paramHolder); } public function buildSql() { return $this->_type . ' ' . $this->_primary->buildSql(); } }