A simple compound file  parser,which can get `streams`'s sat,reference to:https://www.google.com.hk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CCkQFjAA&url=http%3a%2f%2fwww%2eopenoffice%2eorg%2fsc%2fcompdocfileformat%2epdf&ei=ne55UsSJMoWGiQeEyoHoDQ&usg=AFQjCNGQJJQ3s6VYmIcS98g_sVfDOs6wGw&sig2=9lHXtfJe2p1reMRK7SOg_w&bvm=bv.55980276,d.aGc&cad=rjt