DiskResourceProvider.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\plugin;
 
use pocketmine\utils\AssumptionFailedError;
use function file_exists;
use function fopen;
use function is_dir;
use function rtrim;
use function str_replace;
use function strlen;
use function substr;
use const DIRECTORY_SEPARATOR;
 
class DiskResourceProvider implements ResourceProvider{
    private string $file;
 
    public function __construct(string $path){
        $this->file = rtrim(str_replace(DIRECTORY_SEPARATOR, "/", $path), "/") . "/";
    }
 
    public function getResource(string $filename){
        $filename = rtrim(str_replace(DIRECTORY_SEPARATOR, "/", $filename), "/");
        if(file_exists($this->file . $filename)){
            $resource = fopen($this->file . $filename, "rb");
            if($resource === false) throw new AssumptionFailedError("fopen() should not fail on a file which exists");
            return $resource;
        }
 
        return null;
    }
 
    public function getResources() : array{
        $resources = [];
        if(is_dir($this->file)){
            foreach(new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->file)) as $resource){
                if($resource->isFile()){
                    $path = str_replace(DIRECTORY_SEPARATOR, "/", substr((string) $resource, strlen($this->file)));
                    $resources[$path] = $resource;
                }
            }
        }
 
        return $resources;
    }
}