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<?php
/**
* Provides functionality to communicate with a
* Clonk 4 engine with ini-style strings.
*
* @package C4Masterserver
* @version 1.2.0-en
* @author Benedict Etzel <b.etzel@live.de>
* @license http://creativecommons.org/licenses/by/3.0/ CC-BY 3.0
*/
abstract class C4Network {
/**
* Creates a Clonk 4 conform answer string.
*
* @param array $data
* @return string
*/
public static function createAnswer($data) {
$message = '[Response]'."\n";
foreach ($data as $key => $value) {
$message .= $key.'='.$value."\n";
}
return $message;
}
/**
* Returns a Clonk 4 conform error string.
*
* @param string message
* @return string
*/
public static function createError($message) {
return C4Network::createAnswer(array("Status" => "Failure", "Message" => $message));
}
/**
* Sends a Clonk 4 conform answer string.
*
* @param string $message
* @return void
*/
public static function sendAnswer($message) {
header('Content-Length: '.strlen($message));
echo $message;
}
/**
* Cleans a Clonk 4 conform text sting human readable.
*
* @param string $message
* @return string
*/
public static function cleanString($message) {
$coded = $decoded = array();
preg_match_all('|\\\[0-9]{3}|', $message, $coded);
foreach($coded[0] as $numstr) {
$num = ereg_replace("[^0-9]", "", $numstr);
$decoded[$num] = C4Network::decodeEntitiyString($num);
}
foreach($decoded as $num => $entity) {
$message = str_replace('\\'.$num, $entity, $message);
}
return $message;
}
/**
* Decodes Clonk 4 conform entitiy string to its character.
*
* @param string $string
* @return string
*/
public static function decodeEntitiyString($string) {
$num = ereg_replace("[^0-9]", "", $string);
$num = octdec($num);
return chr($num);
}
}
?>
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