mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-07-11 04:17:48 +00:00
60 lines
1.6 KiB
PHP
60 lines
1.6 KiB
PHP
<?php
|
|
|
|
/*
|
|
*
|
|
* ____ _ _ __ __ _ __ __ ____
|
|
* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
|
|
* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
|
|
* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
|
|
* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* @author PocketMine Team
|
|
* @link http://www.pocketmine.net/
|
|
*
|
|
*
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace pocketmine\network\mcpe\compression;
|
|
|
|
use function zlib_decode;
|
|
use function zlib_encode;
|
|
use const ZLIB_ENCODING_DEFLATE;
|
|
|
|
final class Zlib{
|
|
/** @var int */
|
|
public static $LEVEL = 7;
|
|
/** @var int */
|
|
public static $THRESHOLD = 256;
|
|
|
|
private function __construct(){
|
|
|
|
}
|
|
|
|
/**
|
|
* @param int $maxDecodedLength default 2MB
|
|
*
|
|
* @throws DecompressionException
|
|
*/
|
|
public static function decompress(string $payload, int $maxDecodedLength = 1024 * 1024 * 2) : string{
|
|
$result = @zlib_decode($payload, $maxDecodedLength);
|
|
if($result === false){
|
|
throw new DecompressionException("Failed to decompress data");
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @param int $compressionLevel
|
|
*/
|
|
public static function compress(string $payload, ?int $compressionLevel = null) : string{
|
|
return zlib_encode($payload, ZLIB_ENCODING_DEFLATE, $compressionLevel ?? self::$LEVEL);
|
|
}
|
|
}
|