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doctrine2/lib/Doctrine/Query/Production/LikeExpression.php
2008-05-24 18:18:37 +00:00

73 lines
2.5 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.org>.
*/
/**
* LikeExpression = ["NOT"] "LIKE" Expression ["ESCAPE" string]
*
* @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 1.0
* @version $Revision$
*/
class Doctrine_Query_Production_LikeExpression extends Doctrine_Query_Production
{
protected $_not;
protected $_expression;
protected $_escapeString;
public function syntax($paramHolder)
{
// LikeExpression = ["NOT"] "LIKE" Expression ["ESCAPE" string]
$this->_escapeString = null;
$this->_not = false;
if ($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_LIKE);
$this->_expression = $this->AST('Expression', $paramHolder);
if ($this->_isNextToken(Doctrine_Query_Token::T_ESCAPE)) {
$this->_parser->match(Doctrine_Query_Token::T_ESCAPE);
$this->_parser->match(Doctrine_Query_Token::T_STRING);
$this->_escapeString = $this->_parser->token['value'];
}
}
public function buildSql()
{
return (($this->_not) ? 'NOT ' : '') . 'LIKE ' . $this->_expression->buildSql()
. (($this->_escapeString !== null) ? ' ESCAPE ' . $this->_escapeString : '');
}
}