Streams.php

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<?php

declare(strict_types=1);

namespace ILIAS\Filesystem\Stream;

use Psr\Http\Message\StreamInterface;

/******************************************************************************
 *
 * This file is part of ILIAS, a powerful learning management system.
 *
 * ILIAS is licensed with the GPL-3.0, you should have received a copy
 * of said license along with the source code.
 *
 * If this is not the case or you just want to try ILIAS, you'll find
 * us at:
 *      https://www.ilias.de
 *      https://github.com/ILIAS-eLearning
 *
 *****************************************************************************/
final class Streams
{
    public static function ofString(string $string): \ILIAS\Filesystem\Stream\Stream
    {
        if (!is_string($string)) {
            throw new \InvalidArgumentException('The argument $string must be of type string but was "' . gettype($string) . '"');
        }

        $stream = new Stream(fopen('php://memory', 'rw'));
        $stream->write($string);
        return $stream;
    }


    public static function ofResource($resource): \ILIAS\Filesystem\Stream\Stream
    {
        if (!is_resource($resource)) {
            throw new \InvalidArgumentException('The argument $resource must be of type resource but was "' . gettype($resource) . '"');
        }

        return new Stream($resource);
    }


    public static function ofPsr7Stream(StreamInterface $stream): \ILIAS\Filesystem\Stream\Stream
    {
        $resource = $stream->detach();
        return self::ofResource($resource);
    }

    public function ofZipResource(\ZipArchive $zip, int $index): void
    {
    }
}