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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Persisters;
use Doctrine\Common\Collections\Expr\Comparison;
use Doctrine\Common\Collections\Expr\CompositeExpression;
use Doctrine\Common\Collections\Expr\ExpressionVisitor;
use Doctrine\Common\Collections\Expr\Value;
/**
* Extract the values from a criteria/expression
*/
class SqlValueVisitor extends ExpressionVisitor
{
/** @var mixed[] */
private array $values = [];
/** @var mixed[][] */
private array $types = [];
/**
* Converts a comparison expression into the target query language output.
*
* {@inheritDoc}
*/
public function walkComparison(Comparison $comparison)
{
$value = $this->getValueFromComparison($comparison);
$this->values[] = $value;
$this->types[] = [$comparison->getField(), $value, $comparison->getOperator()];
return null;
}
/**
* Converts a composite expression into the target query language output.
*
* {@inheritDoc}
*/
public function walkCompositeExpression(CompositeExpression $expr)
{
foreach ($expr->getExpressionList() as $child) {
$this->dispatch($child);
}
return null;
}
/**
* Converts a value expression into the target query language part.
*
* {@inheritDoc}
*/
public function walkValue(Value $value)
{
return null;
}
/**
* Returns the Parameters and Types necessary for matching the last visited expression.
*
* @return mixed[][]
* @psalm-return array{0: array, 1: array<array<mixed>>}
*/
public function getParamsAndTypes(): array
{
return [$this->values, $this->types];
}
/**
* Returns the value from a Comparison. In case of a CONTAINS comparison,
* the value is wrapped in %-signs, because it will be used in a LIKE clause.
*/
protected function getValueFromComparison(Comparison $comparison): mixed
{
$value = $comparison->getValue()->getValue();
return match ($comparison->getOperator()) {
Comparison::CONTAINS => '%' . $value . '%',
Comparison::STARTS_WITH => $value . '%',
Comparison::ENDS_WITH => '%' . $value,
default => $value,
};
}
}
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