Subversion-Projekte lars-tiefland.laravel_shop

<?php

namespace Doctrine\DBAL\Driver\OCI8;

use Doctrine\DBAL\SQL\Parser\Visitor;

use function count;

use function implode;

/**

 * Converts positional (?) into named placeholders (:param<num>).

 *

 * Oracle does not support positional parameters, hence this method converts all

 * positional parameters into artificially named parameters.

 *

 * @internal This class is not covered by the backward compatibility promise

 */

final class ConvertPositionalToNamedPlaceholders implements Visitor

{

    /** @var list<string> */

    private array $buffer = [];

    /** @var array<int,string> */

    private array $parameterMap = [];

    public function acceptOther(string $sql): void

    {

        $this->buffer[] = $sql;

    }

    public function acceptPositionalParameter(string $sql): void

    {

        $position = count($this->parameterMap) + 1;

        $param    = ':param' . $position;

        $this->parameterMap[$position] = $param;

        $this->buffer[] = $param;

    }

    public function acceptNamedParameter(string $sql): void

    {

        $this->buffer[] = $sql;

    }

    public function getSQL(): string

    {

        return implode('', $this->buffer);

    }

    /** @return array<int,string> */

    public function getParameterMap(): array

    {

        return $this->parameterMap;

    }

}