Function parse_entity 

pub fn parse_entity<'a, T>(
    input: &'a T,
) -> Result<(u32, IfcType, Vec<Token<'a>>)>
where
    T: AsRef<[u8]> + ?Sized,

Parse a complete entity line from raw IFC bytes. Example: #123=IFCWALL(‘guid’,‘owner’,$,$,‘name’,$,$,$);