TreeRoot.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\nbt;
 
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\nbt\tag\Tag;
use pocketmine\utils\Limits;
use function sprintf;
use function strlen;
 
class TreeRoot{
 
    private $root;
    private $name;
 
    public function __construct(Tag $root, string $name = ""){
        if(strlen($name) > Limits::INT16_MAX){
            throw new \InvalidArgumentException(sprintf("Tag name must be at most %d bytes, but got %d bytes", Limits::INT16_MAX, strlen($name)));
        }
        $this->root = $root;
        $this->name = $name;
    }
 
    public function getTag() : Tag{
        return $this->root;
    }
 
    public function mustGetCompoundTag() : CompoundTag{
        if($this->root instanceof CompoundTag){
            return $this->root;
        }
        throw new NbtDataException("Root is not a TAG_Compound");
    }
 
    public function getName() : string{
        return $this->name;
    }
 
    public function equals(TreeRoot $that) : bool{
        return $this->name === $that->name and $this->root->equals($that->root);
    }
 
    public function __toString(){
        return "ROOT {\n  " . ($this->name !== "" ? "\"$this->name\" => " : "") . $this->root->toString(1) . "\n}";
    }
}