Filestore.php

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<?php

namespace Elgg\Filesystem;

abstract class Filestore {
    
    abstract public function open(\ElggFile $file, string $mode);

    abstract public function write($f, string $data): int;

    abstract public function read($f, int $length, int $offset = 0);

    abstract public function seek($f, int $position): int;

    abstract public function eof($f): bool;

    abstract public function tell($f): int|false;

    abstract public function close($f): bool;

    abstract public function delete(\ElggFile $file, bool $follow_symlinks = true): bool;

    abstract public function getFileSize(\ElggFile $file): int;

    abstract public function getFilenameOnFilestore(\ElggFile $file): string;

    abstract public function getParameters(): array;

    abstract public function setParameters(array $parameters): bool;

    abstract public function grabFile(\ElggFile $file);

    abstract public function exists(\ElggFile $file);
}