Did you read this:
This has the theory behind what we do.
From: 伍复慧 [mailto:[EMAIL PROTECTED]]
Sent: Friday, April 06, 2012 6:06 AM
i am now a little confused by the io.parsing project.i can read the
source code of other sub-project of avro. but when i come to io parsing, i
feel a little hard to understand Symbol and Parser.................