95 lines
3.0 KiB
PHP
95 lines
3.0 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>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ComparisonExpression = ComparisonOperator ( QuantifiedExpression | Expression | "(" Subselect ")" )
|
||
|
|
*
|
||
|
|
* @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_ComparisonExpression extends Doctrine_Query_Production
|
||
|
|
{
|
||
|
|
protected $_operator;
|
||
|
|
|
||
|
|
protected $_expression;
|
||
|
|
|
||
|
|
protected $_isSubselect;
|
||
|
|
|
||
|
|
|
||
|
|
public function syntax($paramHolder)
|
||
|
|
{
|
||
|
|
// ComparisonExpression = ComparisonOperator ( QuantifiedExpression | Expression | "(" Subselect ")" )
|
||
|
|
$this->_operator = $this->AST('ComparisonOperator', $paramHolder);
|
||
|
|
|
||
|
|
if (($this->_isSubselect = $this->_isSubselect()) === true) {
|
||
|
|
$this->_parser->match('(');
|
||
|
|
$this->_expression = $this->AST('Subselect', $paramHolder);
|
||
|
|
$this->_parser->match(')');
|
||
|
|
|
||
|
|
$this->_isSubselect = true;
|
||
|
|
} else {
|
||
|
|
switch ($this->_parser->lookahead['type']) {
|
||
|
|
case Doctrine_Query_Token::T_ALL:
|
||
|
|
case Doctrine_Query_Token::T_ANY:
|
||
|
|
case Doctrine_Query_Token::T_SOME:
|
||
|
|
$this->_expression = $this->AST('QuantifiedExpression', $paramHolder);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
$this->_expression = $this->AST('Expression', $paramHolder);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public function buildSql()
|
||
|
|
{
|
||
|
|
return $this->_operator . ' ' . (($this->_isSubselect) ?
|
||
|
|
'(' . $this->_expression->buildSql() . ')' : $this->_expression->buildSql()
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Getters */
|
||
|
|
public function getOperator()
|
||
|
|
{
|
||
|
|
return $this->_operator;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
public function getExpression()
|
||
|
|
{
|
||
|
|
return $this->_expression;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
public function isSubselect()
|
||
|
|
{
|
||
|
|
return $this->_isSubselect;
|
||
|
|
}
|
||
|
|
}
|