mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-07-05 09:39:56 +00:00
133 lines
2.8 KiB
PHP
133 lines
2.8 KiB
PHP
<?php
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/*
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-
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/ \
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/ \
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/ PocketMine \
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/ MP \
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|\ @shoghicp /|
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|. \ / .|
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| .. \ / .. |
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| .. | .. |
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| .. | .. |
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\ | /
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\ | /
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\ | /
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\ | /
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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*/
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define("PMF_CURRENT_VERSION", 0x01);
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class PMF{
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protected $fp;
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protected $file;
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private $version;
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private $type;
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public function __construct($file, $new = false, $type = 0, $version = PMF_CURRENT_VERSION){
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if($new === true){
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$this->create($file, $type, $version);
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}else{
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if($this->load($file) !== true){
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$this->parseInfo();
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}
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}
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}
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public function getVersion(){
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return $this->version;
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}
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public function getType(){
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return $this->type;
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}
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public function load($file){
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$this->close();
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$this->file = $file;
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if(($this->fp = @fopen($file, "c+b")) !== false){
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fseek($this->fp, 0, SEEK_END);
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if(ftell($this->fp) >= 5){ //Header + 2 Bytes
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@flock($this->fp, LOCK_EX);
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return true;
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}
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$this->close();
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}
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return false;
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}
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public function parseInfo(){
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$this->seek(0);
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if(fread($this->fp, 3) !== "PMF"){
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return false;
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}
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$this->version = ord($this->read(1));
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switch($this->version){
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case 0x01:
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$this->type = ord($this->read(1));
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break;
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default:
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console("[ERROR] Tried loading non-supported PMF version ".$this->version." on file ".$this->file);
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return false;
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}
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return true;
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}
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public function getFile(){
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return $this->file;
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}
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public function close(){
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unset($this->version, $this->type, $this->file);
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if(is_object($this->fp)){
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@flock($this->fp, LOCK_UN);
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fclose($this->fp);
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}
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}
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public function create($file, $type, $version = PMF_CURRENT_VERSION){
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$this->file = $file;
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@mkdir(dirname($this->file), 0755, true);
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if(!is_resource($this->fp)){
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if(($this->fp = @fopen($file, "c+b")) === false){
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return false;
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}
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}
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$this->seek(0);
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$this->write("PMF" . chr((int) $version) . chr((int) $type));
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}
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public function read($length){
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if($length <= 0){
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return "";
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}
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if(is_resource($this->fp)){
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return fread($this->fp, (int) $length);
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}
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return false;
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}
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public function write($string, $length = false){
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if(is_resource($this->fp)){
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return ($length === false ? fwrite($this->fp, $string) : fwrite($this->fp, $string, $length));
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}
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return false;
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}
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public function seek($offset, $whence = SEEK_SET){
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if(is_resource($this->fp)){
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return fseek($this->fp, (int) $offset, (int) $whence);
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}
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return false;
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}
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} |