/usr/share/php/Doctrine/ORM/Query/QueryExpressionVisitor.php is in php-doctrine-orm 2.5.14+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* 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 MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Expr\ExpressionVisitor;
use Doctrine\Common\Collections\Expr\Comparison;
use Doctrine\Common\Collections\Expr\CompositeExpression;
use Doctrine\Common\Collections\Expr\Value;
/**
* Converts Collection expressions to Query expressions.
*
* @author Kirill chEbba Chebunin <iam@chebba.org>
* @since 2.4
*/
class QueryExpressionVisitor extends ExpressionVisitor
{
/**
* @var array
*/
private static $operatorMap = array(
Comparison::GT => Expr\Comparison::GT,
Comparison::GTE => Expr\Comparison::GTE,
Comparison::LT => Expr\Comparison::LT,
Comparison::LTE => Expr\Comparison::LTE
);
/**
* @var array
*/
private $queryAliases;
/**
* @var Expr
*/
private $expr;
/**
* @var array
*/
private $parameters = array();
/**
* Constructor
*
* @param array $queryAliases
*/
public function __construct($queryAliases)
{
$this->queryAliases = $queryAliases;
$this->expr = new Expr();
}
/**
* Gets bound parameters.
* Filled after {@link dispach()}.
*
* @return \Doctrine\Common\Collections\Collection
*/
public function getParameters()
{
return new ArrayCollection($this->parameters);
}
/**
* Clears parameters.
*
* @return void
*/
public function clearParameters()
{
$this->parameters = array();
}
/**
* Converts Criteria expression to Query one based on static map.
*
* @param string $criteriaOperator
*
* @return string|null
*/
private static function convertComparisonOperator($criteriaOperator)
{
return isset(self::$operatorMap[$criteriaOperator]) ? self::$operatorMap[$criteriaOperator] : null;
}
/**
* {@inheritDoc}
*/
public function walkCompositeExpression(CompositeExpression $expr)
{
$expressionList = array();
foreach ($expr->getExpressionList() as $child) {
$expressionList[] = $this->dispatch($child);
}
switch($expr->getType()) {
case CompositeExpression::TYPE_AND:
return new Expr\Andx($expressionList);
case CompositeExpression::TYPE_OR:
return new Expr\Orx($expressionList);
default:
throw new \RuntimeException("Unknown composite " . $expr->getType());
}
}
/**
* {@inheritDoc}
*/
public function walkComparison(Comparison $comparison)
{
if ( ! isset($this->queryAliases[0])) {
throw new QueryException('No aliases are set before invoking walkComparison().');
}
$field = $this->queryAliases[0] . '.' . $comparison->getField();
foreach($this->queryAliases as $alias) {
if(strpos($comparison->getField() . '.', $alias . '.') === 0) {
$field = $comparison->getField();
break;
}
}
$parameterName = str_replace('.', '_', $comparison->getField());
foreach($this->parameters as $parameter) {
if($parameter->getName() === $parameterName) {
$parameterName .= '_' . count($this->parameters);
break;
}
}
$parameter = new Parameter($parameterName, $this->walkValue($comparison->getValue()));
$placeholder = ':' . $parameterName;
switch ($comparison->getOperator()) {
case Comparison::IN:
$this->parameters[] = $parameter;
return $this->expr->in($field, $placeholder);
case Comparison::NIN:
$this->parameters[] = $parameter;
return $this->expr->notIn($field, $placeholder);
case Comparison::EQ:
case Comparison::IS:
if ($this->walkValue($comparison->getValue()) === null) {
return $this->expr->isNull($field);
}
$this->parameters[] = $parameter;
return $this->expr->eq($field, $placeholder);
case Comparison::NEQ:
if ($this->walkValue($comparison->getValue()) === null) {
return $this->expr->isNotNull($field);
}
$this->parameters[] = $parameter;
return $this->expr->neq($field, $placeholder);
case Comparison::CONTAINS:
$parameter->setValue('%' . $parameter->getValue() . '%', $parameter->getType());
$this->parameters[] = $parameter;
return $this->expr->like($field, $placeholder);
default:
$operator = self::convertComparisonOperator($comparison->getOperator());
if ($operator) {
$this->parameters[] = $parameter;
return new Expr\Comparison(
$field,
$operator,
$placeholder
);
}
throw new \RuntimeException("Unknown comparison operator: " . $comparison->getOperator());
}
}
/**
* {@inheritDoc}
*/
public function walkValue(Value $value)
{
return $value->getValue();
}
}
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