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<?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/

*/

/** @noinspection PhpMultipleClassesDeclarationsInOneFile */

class CommandReader extends Thread{

public static $os;

private $readline;

/** @var \Threaded */

protected $buffer;

public function __construct(){

$this->buffer = \ThreadedFactory::create();

$this->start();

}

private function readLine(){

if(!$this->readline){

$line = trim(fgets(fopen("php://stdin", "r")));

}else{

$line = trim(readline("> "));

if($line != ""){

readline_add_history($line);

}

}

return $line;

}

/**

* Reads a line from console, if available. Returns null if not available

*

* @return string|null

*/

public function getLine(){

if($this->buffer->count() !== 0){

return $this->buffer->shift();

}

return null;

}

public function run(){

$opts = getopt("", ["disable-readline"]);

if(extension_loaded("readline") and !isset($opts["disable-readline"])){

$this->readline = true;

}else{

$this->readline = false;

}

$lastLine = microtime(true);

while(true){

if(($line = $this->readLine()) !== ""){

$this->buffer[] = preg_replace("#\\x1b\\x5b([^\\x1b]*\\x7e|[\\x40-\\x50])#", "", $line);

}elseif((microtime(true) - $lastLine) <= 0.1){ //Non blocking! Sleep to save CPU

usleep(40000);

}

$lastLine = microtime(true);

}

}

public function getThreadName(){

return "Console";

}

public static function getOS($recalculate = false){

if(self::$os === null or $recalculate){

$uname = php_uname("s");

if(stripos($uname, "Darwin") !== false){

if(strpos(php_uname("m"), "iP") === 0){

self::$os = "ios";

}else{

self::$os = "mac";

}

}elseif(stripos($uname, "Win") !== false or $uname === "Msys"){

self::$os = "win";

}elseif(stripos($uname, "Linux") !== false){

if(@file_exists("/system/build.prop")){

self::$os = "android";

}else{

self::$os = "linux";

}

}elseif(stripos($uname, "BSD") !== false or $uname === "DragonFly"){

self::$os = "bsd";

}else{

self::$os = "other";

}

}

return self::$os;

}

}

/** @noinspection PhpMultipleClassesDeclarationsInOneFile */

class ThreadedFactory{

/** @var ThreadedFactory */

protected static $instance;

/** @var \Threaded[] */

protected $threadedList = [];

protected function __construct(){

global $threadedFactoryInstance;

$threadedFactoryInstance = $this;

self::$instance = $this;

}

/**

* @return ThreadedFactory

*/

public static function getInstance(){

if(self::$instance === null){

global $threadedFactoryInstance;

if($threadedFactoryInstance instanceof ThreadedFactory){

self::$instance = $threadedFactoryInstance;

}else{

new ThreadedFactory();

}

}

return self::$instance;

}

/**

* @param \Threaded $class

* @param ...$arguments

*

* @return \Threaded

*/

public static function create($class = \Threaded::class, ...$arguments){

/** @var \Threaded $threaded */

$threaded = new $class(...$arguments);

self::getInstance()->threadedList[spl_object_hash($threaded)] = $threaded;

return $threaded;

}

public static function destroy(\Threaded $threaded){

$instance = self::getInstance();

if(isset($instance->threadedList[$hash = spl_object_hash($threaded)])){

$threaded->synchronized(function(\Threaded $t){

$t->notify();

}, $threaded);

unset($instance->threadedList[$hash]);

return true;

}

return false;

}

/**

* @return \Threaded[]

*/

public static function all(){

return self::getInstance()->threadedList;

}

}

/** @noinspection PhpMultipleClassesDeclarationsInOneFile */

class StreamReader extends Thread{

public static $os;

/** @var \Threaded */

protected $buffer;

private $res;

public $running = true;

public function __construct($resource){

$this->buffer = \ThreadedFactory::create();

$this->res = $resource;

$this->start();

}

private function readLine(){

$line = rtrim(fgets($this->res), "\r\n");

return $line;

}

/**

* Reads a line from console, if available. Returns null if not available

*

* @return string|null

*/

public function getLine(){

if($this->buffer->count() !== 0){

return $this->buffer->shift();

}

return null;

}

public function run(){

$lastLine = microtime(true);

while($this->running){

if(($line = $this->readLine()) !== ""){

$this->buffer[] = preg_replace("#\\x1b\\x5b([^\\x1b]*\\x7e|[\\x40-\\x50])#", "", $line);

}elseif((microtime(true) - $lastLine) <= 0.1){ //Non blocking! Sleep to save CPU

usleep(40000);

}

$lastLine = microtime(true);

}

}

public function getThreadName(){

return "Console";

}

public static function getOS($recalculate = false){

if(self::$os === null or $recalculate){

$uname = php_uname("s");

if(stripos($uname, "Darwin") !== false){

if(strpos(php_uname("m"), "iP") === 0){

self::$os = "ios";

}else{

self::$os = "mac";

}

}elseif(stripos($uname, "Win") !== false or $uname === "Msys"){

self::$os = "win";

}elseif(stripos($uname, "Linux") !== false){

if(@file_exists("/system/build.prop")){

self::$os = "android";

}else{

self::$os = "linux";

}

}elseif(stripos($uname, "BSD") !== false or $uname === "DragonFly"){

self::$os = "bsd";

}else{

self::$os = "other";

}

}

return self::$os;

}

}

function kill($pid){

switch(CommandReader::getOS()){

case "win":

exec("taskkill.exe /F /PID " . ((int) $pid) . " > NUL");

break;

case "mac":

case "linux":

default:

exec("kill -9 " . ((int) $pid) . " > /dev/null 2>&1");

}

}

function console($msg, $ret = null, $eol = true){

echo date("[H:i:s] ") . $msg . ($eol ? PHP_EOL : "");

return $ret;

}

$cmdReader = new CommandReader();

function nonBlockReadLine(){

global $cmdReader;

return $cmdReader->getLine();

}