BetweenExpression.php

<?php
/*
 *  $Id$
 *
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/**
 * BetweenExpression = ["NOT"] "BETWEEN" Expression "AND" Expression
 *
 * @package     Doctrine
 * @subpackage  Query
 * @author      Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author      Janne Vanhala <jpvanhal@cc.hut.fi>
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link        http://www.phpdoctrine.org
 * @since       2.0
 * @version     $Revision$
 */
class Doctrine_Query_Production_BetweenExpression extends Doctrine_Query_Production
{
    protected $_not;

    protected $_fromExpression;

    protected $_toExpression;


    public function syntax($paramHolder)
    {
        // BetweenExpression = ["NOT"] "BETWEEN" Expression "AND" Expression
        $this->_not = false;

        if ($this->_isNextToken(Doctrine_Query_Token::T_NOT)) {
            $this->_parser->match(Doctrine_Query_Token::T_NOT);
            $this->_not = true;
        }

        $this->_parser->match(Doctrine_Query_Token::T_BETWEEN);

        $this->_fromExpression = $this->AST('Expression', $paramHolder);

        $this->_parser->match(Doctrine_Query_Token::T_AND);

        $this->_toExpression = $this->AST('Expression', $paramHolder);
    }


    public function buildSql()
    {
        return (($this->_not) ? 'NOT ' : '') . 'BETWEEN '
             . $this->_fromExpression->buildSql() . ' AND ' . $this->_toExpression->buildSql();
    }


    /* Getters */
    public function isNot()
    {
        return $this->_not;
    }


    public function getFromExpression()
    {
        return $this->_fromExpression;
    }


    public function getToExpression()
    {
        return $this->_toExpression;
    }
}