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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2021 Robin Appelman <robin@icewind.nl>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace Icewind\SMB;
class StringBuffer {
/** @var string */
private $buffer = "";
/** @var int */
private $pos = 0;
public function clear(): void {
$this->buffer = "";
$this->pos = 0;
}
public function push(string $data): int {
$this->buffer = $this->flush() . $data;
return strlen($data);
}
public function remaining(): int {
return strlen($this->buffer) - $this->pos;
}
public function read(int $count): string {
$chunk = substr($this->buffer, $this->pos, $count);
$this->pos += strlen($chunk);
return $chunk;
}
public function flush(): string {
if ($this->pos === 0) {
$remaining = $this->buffer;
} else {
$remaining = substr($this->buffer, $this->pos);
}
$this->clear();
return $remaining;
}
}
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