SimplePie_HTTP_Parser::chunked

		{
			$this->state = 'emit';
			return;
		}

		$decoded = '';
		$encoded = $this->body;

		while (true)
		{
			$is_chunked = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches );
			if (!$is_chunked)
			{
				// Looks like it's not chunked after all
				$this->state = 'emit';
				return;
			}

			$length = hexdec(trim($matches[1]));
			if ($length === 0)
			{
				// Ignore trailer headers
				$this->state = 'emit';
				$this->body = $decoded;
				return;
			}

			$chunk_length = strlen($matches[0]);
			$decoded .= $part = substr($encoded, $chunk_length, $length);
			$encoded = substr($encoded, $chunk_length + $length + 2);

			if (trim($encoded) === '0' || empty($encoded))
			{
				$this->state = 'emit';
				$this->body = $decoded;
				return;
			}
		}
	}

	/**
	 * Prepare headers (take care of proxies headers)