PocketMine-MP/src/data/bedrock/LegacyToStringBidirectionalIdMap.php
2020-05-12 22:38:59 +01:00

84 lines
2.2 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\data\bedrock;
use pocketmine\utils\AssumptionFailedError;
use function file_get_contents;
use function is_array;
use function is_int;
use function is_string;
use function json_decode;
abstract class LegacyToStringBidirectionalIdMap{
/**
* @var string[]
* @phpstan-var array<int, string>
*/
private $legacyToString = [];
/**
* @var int[]
* @phpstan-var array<string, int>
*/
private $stringToLegacy = [];
public function __construct(string $file){
$stringToLegacyId = json_decode(file_get_contents($file), true);
if(!is_array($stringToLegacyId)){
throw new AssumptionFailedError("Invalid format of ID map");
}
foreach($stringToLegacyId as $stringId => $legacyId){
if(!is_string($stringId) or !is_int($legacyId)){
throw new AssumptionFailedError("ID map should have string keys and int values");
}
$this->legacyToString[$legacyId] = $stringId;
$this->stringToLegacy[$stringId] = $legacyId;
}
}
public function legacyToString(int $legacy) : ?string{
return $this->legacyToString[$legacy] ?? null;
}
public function stringToLegacy(string $string) : ?int{
return $this->stringToLegacy[$string] ?? null;
}
/**
* @return string[]
* @phpstan-return array<int, string>
*/
public function getLegacyToStringMap() : array{
return $this->legacyToString;
}
/**
* @return int[]
* @phpstan-return array<string, int>
*/
public function getStringToLegacyMap() : array{
return $this->stringToLegacy;
}
}