mirror of https://github.com/BOINC/boinc.git
36 lines
1.1 KiB
PHP
Executable File
36 lines
1.1 KiB
PHP
Executable File
<?php
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/**
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* The BString class represents BEncoded strings for the serverside Bittorrent system.
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* A BEncoded string always starts with the length, then a ":" and then the actual data.
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* Strings are native in PHP.
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*/
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$cvs_version_tracker[]="\$Id$"; //Generated automatically - do not edit
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class BString {
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private function __construct(){
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}
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/**
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* Returns the ordinary string decoded from $str
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* @throws an IllegalArgumentException in the case
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* that the string is malformed (ie. has more/less chars than specified
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* or does not correctly define a BEncoded string)
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*/
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public static function toString($str){
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list($length, $data) = explode(":", $str);
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if (!is_numeric($length)) throw new IllegalArgumentException("BEncoded string has non-numeric length specification.");
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if ($length != strlen($data)) throw new IllegalArgumentException("BEncoded string length does not match actual length of string.");
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return $data;
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}
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/**
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* Returns a BEncoded string
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*/
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public static function toEncoded($str){
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return strlen($str).":".$str;
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}
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}
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?>
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