/**
* Returns an encoded stream of a Dictionary element.
*
* @return string Encoded Dictionary
*/
public function encode()
{
$buffer = 'd';
foreach ($this->_buffer as $k => $v) {
$key = new Byte();
$key->read($k);
if (is_array($v)) {
$dictionary = false;
foreach (array_keys($v) as $ak) {
if (!is_numeric($ak)) {
$dictionary = true;
}
}
if ($dictionary) {
$value = new Dictionary();
} else {
$value = new BList();
}
} elseif (is_numeric($v)) {
$value = new Integer();
} else {
$value = new Byte();
}
$value->read($v);
$buffer .= $key->encode() . $value->encode();
}
$buffer .= 'e';
return $buffer;
}
/**
* Reads a raw stream and decodes the List encoded portion of it. This will
* append data to the internal buffer.
*
* @param string A raw encoded stream of a Bencode List.
*
* @throws BListException;
*/
public function decode($stream)
{
$stream = $this->dropEncoding($stream, self::PATTERN);
// This block determines which type of primitive element is in the list
if ($stream[0] === 'i') {
$element = new Integer();
} elseif (is_numeric($stream[0])) {
$element = new Byte();
} else {
throw new BListException('Decoded improper encoding: ' . $stream);
}
$stream = $element->decode($stream);
$this->_buffer[] = $element->write();
if (strlen($stream) > 0) {
return $this->decode($stream);
}
}
public function testZeroIntStreamEncoding()
{
$byte = new Byte('0');
$this->assertEquals('1:0', $byte->encode());
}
