ExceptionTraceCleaner.php

<?php
 
/*
 * This file is part of RakLib.
 * Copyright (C) 2014-2022 PocketMine Team <https://github.com/pmmp/RakLib>
 *
 * RakLib is not affiliated with Jenkins Software LLC nor RakNet.
 *
 * RakLib is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 */
 
declare(strict_types=1);
 
namespace raklib\utils;
 
use function array_reverse;
use function count;
use function function_exists;
use function get_class;
use function gettype;
use function is_object;
use function method_exists;
use function str_replace;
use function strval;
use function substr;
use function xdebug_get_function_stack;
 
final class ExceptionTraceCleaner{
    public function __construct(
        private string $mainPath
    ){}
 
    public function getTrace(int $start = 0, ?array $trace = null) : array{
        if($trace === null){
            if(function_exists("xdebug_get_function_stack") && count($trace = @xdebug_get_function_stack()) !== 0){
                $trace = array_reverse($trace);
            }else{
                $e = new \Exception();
                $trace = $e->getTrace();
            }
        }
 
        $messages = [];
        $j = 0;
        for($i = $start; isset($trace[$i]); ++$i, ++$j){
            $params = "";
            if(isset($trace[$i]["args"]) or isset($trace[$i]["params"])){
                if(isset($trace[$i]["args"])){
                    $args = $trace[$i]["args"];
                }else{
                    $args = $trace[$i]["params"];
                }
                foreach($args as $name => $value){
                    $params .= (is_object($value) ? get_class($value) . " " . (method_exists($value, "__toString") ? $value->__toString() : "object") : gettype($value) . " " . @strval($value)) . ", ";
                }
            }
            $messages[] = "#$j " . (isset($trace[$i]["file"]) ? $this->cleanPath($trace[$i]["file"]) : "") . "(" . (isset($trace[$i]["line"]) ? $trace[$i]["line"] : "") . "): " . (isset($trace[$i]["class"]) ? $trace[$i]["class"] . (($trace[$i]["type"] === "dynamic" or $trace[$i]["type"] === "->") ? "->" : "::") : "") . $trace[$i]["function"] . "(" . substr($params, 0, -2) . ")";
        }
 
        return $messages;
    }
 
    public function cleanPath(string $path) : string{
        return str_replace(["\\", ".php", "phar://", str_replace(["\\", "phar://"], ["/", ""], $this->mainPath)], ["/", "", "", ""], $path);
    }
}