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<?php
declare(strict_types=1);
namespace Nsfisis\TinyPhpHttpd\Http;
use Psr\Http\Message\StreamInterface;
final class Stream implements StreamInterface
{
private string $content;
private int $position = 0;
public function __construct(string $content = '')
{
$this->content = $content;
}
public function __toString(): string
{
return $this->content;
}
public function close(): void
{
$this->content = '';
$this->position = 0;
}
public function detach(): null
{
return null;
}
public function getSize(): int
{
return strlen($this->content);
}
public function tell(): int
{
return $this->position;
}
public function eof(): bool
{
return $this->position >= strlen($this->content);
}
public function isSeekable(): bool
{
return true;
}
public function seek(int $offset, int $whence = SEEK_SET): void
{
switch ($whence) {
case SEEK_SET:
$this->position = $offset;
break;
case SEEK_CUR:
$this->position += $offset;
break;
case SEEK_END:
$this->position = strlen($this->content) + $offset;
break;
}
}
public function rewind(): void
{
$this->position = 0;
}
public function isWritable(): bool
{
return true;
}
public function write(string $string): int
{
$this->content .= $string;
return strlen($string);
}
public function isReadable(): bool
{
return true;
}
public function read(int $length): string
{
$result = substr($this->content, $this->position, $length);
$this->position += strlen($result);
return $result;
}
public function getContents(): string
{
$result = substr($this->content, $this->position);
$this->position = strlen($this->content);
return $result;
}
public function getMetadata(?string $key = null): ?array
{
return $key === null ? [] : null;
}
}
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