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doctrine2/lib/Doctrine/Query/Production/Atom.php
2008-08-02 17:41:37 +00:00

120 lines
3.9 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>.
*/
/**
* Atom = string | integer | float | input_parameter
*
* @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_Atom extends Doctrine_Query_Production
{
protected $_type;
protected $_value;
public function syntax($paramHolder)
{
// Atom = string | integer | float | input_parameter
switch ($this->_parser->lookahead['type']) {
case Doctrine_Query_Token::T_STRING:
$this->_parser->match(Doctrine_Query_Token::T_STRING);
$this->_type = 'string';
break;
case Doctrine_Query_Token::T_INTEGER:
$this->_parser->match(Doctrine_Query_Token::T_INTEGER);
$this->_type = 'integer';
break;
case Doctrine_Query_Token::T_FLOAT:
$this->_parser->match(Doctrine_Query_Token::T_FLOAT);
$this->_type = 'float';
break;
case Doctrine_Query_Token::T_INPUT_PARAMETER:
$this->_parser->match(Doctrine_Query_Token::T_INPUT_PARAMETER);
$this->_type = 'param';
break;
default:
$this->_parser->syntaxError('string, number or parameter (? or :)');
break;
}
$this->_value = $this->_parser->token['value'];
}
public function buildSql()
{
$conn = $this->_em->getConnection();
switch ($this->_type) {
case 'param':
return $this->_value;
case 'string':
//FIXME: Remove the quotes from _value! Should the scanner do that or where?
// 'mystring' => mystring. Otherwise 'mystring' is the content (with quotes)!
// Eg: select ... from ... where f.foo = 'bar'
// => $conn->quote('bar',...), CURRENTLY: $conn->quote("'bar'",...)
// This fix looks a bit ugly or ... ? Should this happen earlier? Syntax?
// Scanner?
if (strpos($this->_value, "'") === 0) {
$this->_value = substr($this->_value, 1, strlen($this->_value) - 2);
}
return $conn->quote($this->_value, $this->_type);
default:
return $conn->quote($this->_value, $this->_type);
}
}
/**
* Visitor support.
*
* @param object $visitor
*/
public function accept($visitor)
{
$visitor->visitAtom($this);
}
/* Getters */
public function getType()
{
return $this->_type;
}
public function getValue()
{
return $this->_value;
}
}