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<?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.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query\AST\Functions;
use Doctrine\ORM\Query\Lexer;
use Doctrine\DBAL\Platforms\AbstractPlatform;
/**
* "TRIM" "(" [["LEADING" | "TRAILING" | "BOTH"] [char] "FROM"] StringPrimary ")"
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 2.0
* @version $Revision: 3938 $
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class TrimFunction extends FunctionNode
{
public $leading;
public $trailing;
public $both;
public $trimChar = false;
public $stringPrimary;
/**
* @override
*/
public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
{
$pos = AbstractPlatform::TRIM_UNSPECIFIED;
if ($this->leading) {
$pos = AbstractPlatform::TRIM_LEADING;
} else if ($this->trailing) {
$pos = AbstractPlatform::TRIM_TRAILING;
} else if ($this->both) {
$pos = AbstractPlatform::TRIM_BOTH;
}
return $sqlWalker->getConnection()->getDatabasePlatform()->getTrimExpression(
$sqlWalker->walkStringPrimary($this->stringPrimary),
$pos,
($this->trimChar != false) ? $sqlWalker->getConnection()->quote($this->trimChar) : false
);
}
/**
* @override
*/
public function parse(\Doctrine\ORM\Query\Parser $parser)
{
$lexer = $parser->getLexer();
$parser->match(Lexer::T_IDENTIFIER);
$parser->match(Lexer::T_OPEN_PARENTHESIS);
if (strcasecmp('leading', $lexer->lookahead['value']) === 0) {
$parser->match(Lexer::T_LEADING);
$this->leading = true;
} else if (strcasecmp('trailing', $lexer->lookahead['value']) === 0) {
$parser->match(Lexer::T_TRAILING);
$this->trailing = true;
} else if (strcasecmp('both', $lexer->lookahead['value']) === 0) {
$parser->match(Lexer::T_BOTH);
$this->both = true;
}
if ($lexer->isNextToken(Lexer::T_STRING)) {
$parser->match(Lexer::T_STRING);
$this->trimChar = $lexer->token['value'];
}
if ($this->leading || $this->trailing || $this->both || $this->trimChar) {
$parser->match(Lexer::T_FROM);
}
$this->stringPrimary = $parser->StringPrimary();
$parser->match(Lexer::T_CLOSE_PARENTHESIS);
}
}