82 lines
2.6 KiB
PHP
82 lines
2.6 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>.
|
|
*/
|
|
|
|
/**
|
|
* ComparisonOperator = "=" | "<" | "<=" | "<>" | ">" | ">=" | "!="
|
|
*
|
|
* @package Doctrine
|
|
* @subpackage Query
|
|
* @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_ComparisonOperator extends Doctrine_Query_Production
|
|
{
|
|
public function syntax($paramHolder)
|
|
{
|
|
switch ($this->_parser->lookahead['value']) {
|
|
case '=':
|
|
$this->_parser->match('=');
|
|
return '=';
|
|
break;
|
|
|
|
case '<':
|
|
$this->_parser->match('<');
|
|
$operator = '<';
|
|
|
|
if ($this->_isNextToken('=')) {
|
|
$this->_parser->match('=');
|
|
$operator .= '=';
|
|
} elseif ($this->_isNextToken('>')) {
|
|
$this->_parser->match('>');
|
|
$operator .= '>';
|
|
}
|
|
|
|
return $operator;
|
|
break;
|
|
|
|
case '>':
|
|
$this->_parser->match('>');
|
|
$operator = '>';
|
|
|
|
if ($this->_isNextToken('=')) {
|
|
$this->_parser->match('=');
|
|
$operator .= '=';
|
|
}
|
|
|
|
return $operator;
|
|
break;
|
|
|
|
case '!':
|
|
$this->_parser->match('!');
|
|
$this->_parser->match('=');
|
|
return '<>';
|
|
break;
|
|
|
|
default:
|
|
$this->_parser->syntaxError('=, <, <=, <>, >, >=, !=');
|
|
break;
|
|
}
|
|
}
|
|
}
|