109 lines
3.6 KiB
PHP
109 lines
3.6 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>.
|
|
*/
|
|
|
|
/**
|
|
* ConditionalPrimary = SimpleConditionalExpression | "(" ConditionalExpression ")"
|
|
*
|
|
* @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_ConditionalPrimary extends Doctrine_Query_Production
|
|
{
|
|
protected $_conditionalExpression;
|
|
|
|
|
|
public function syntax($paramHolder)
|
|
{
|
|
// ConditionalPrimary = SimpleConditionalExpression | "(" ConditionalExpression ")"
|
|
if ( ! $this->_isConditionalExpression()) {
|
|
return $this->AST('SimpleConditionalExpression', $paramHolder);
|
|
}
|
|
|
|
$this->_parser->match('(');
|
|
$this->_conditionalExpression = $this->AST('ConditionalExpression', $paramHolder);
|
|
$this->_parser->match(')');
|
|
}
|
|
|
|
|
|
public function buildSql()
|
|
{
|
|
return '(' . $this->_conditionalExpression->buildSql() . ')';
|
|
}
|
|
|
|
|
|
protected function _isConditionalExpression()
|
|
{
|
|
$token = $this->_parser->lookahead;
|
|
$parenthesis = 0;
|
|
|
|
if ($token['value'] === '(') {
|
|
$parenthesis++;
|
|
}
|
|
|
|
while ($parenthesis > 0) {
|
|
$token = $this->_parser->getScanner()->peek();
|
|
|
|
if ($token['value'] === '(') {
|
|
$parenthesis++;
|
|
} elseif ($token['value'] === ')') {
|
|
$parenthesis--;
|
|
} else {
|
|
switch ($token['type']) {
|
|
case Doctrine_Query_Token::T_NOT:
|
|
case Doctrine_Query_Token::T_AND:
|
|
case Doctrine_Query_Token::T_OR:
|
|
case Doctrine_Query_Token::T_BETWEEN:
|
|
case Doctrine_Query_Token::T_LIKE:
|
|
case Doctrine_Query_Token::T_IN:
|
|
case Doctrine_Query_Token::T_IS:
|
|
case Doctrine_Query_Token::T_EXISTS:
|
|
return true;
|
|
|
|
case Doctrine_Query_Token::T_NONE:
|
|
switch ($token['value']) {
|
|
case '=':
|
|
case '<':
|
|
case '>':
|
|
case '!':
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/* Getters */
|
|
public function getConditionalExpression()
|
|
{
|
|
return $this->_conditionalExpression;
|
|
}
|
|
}
|