/**
* Decode an encoded PHP associative array
*
* @param string $dictionary
* @return array
* @uses Zend_BitTorrent_Decoder::decodeString()
* @uses Zend_BitTorrent_Decoder::decode()
* @throws Zend_BitTorrent_Decoder_Exception
*/
public static function decodeDictionary($dictionary)
{
if ($dictionary[0] !== 'd') {
/** @see Zend_BitTorrent_Decoder_Exception */
require_once 'Zend/BitTorrent/Decoder/Exception.php';
throw new Zend_BitTorrent_Decoder_Exception('Parameter is not an encoded dictionary.');
}
$length = strlen($dictionary);
$ret = array();
$i = 1;
while ($i < $length) {
if ($dictionary[$i] === 'e') {
break;
}
$keyPart = substr($dictionary, $i);
$key = self::decodeString($keyPart);
$keyPartLength = strlen(Zend_BitTorrent_Encoder::encodeString($key));
$valuePart = substr($dictionary, $i + $keyPartLength);
$value = self::decode($valuePart);
$valuePartLength = strlen(Zend_BitTorrent_Encoder::encode($value));
$ret[$key] = $value;
$i += $keyPartLength + $valuePartLength;
}
return $ret;
}
