1#------------------------------------------------------------------------------ 2# $File: sereal,v 1.1 2014/05/14 23:04:59 christos Exp $ 3# sereal: file(1) magic the Sereal binary serialization format 4# 5# From: Ævar Arnfjörð Bjarmason <avarab@gmail.com> 6# 7# See the specification of the format at 8# https://github.com/Sereal/Sereal/blob/master/sereal_spec.pod#document-header-format 9# 10# I'd have liked to do the byte&0xF0 matching against 0, 1, 2 ... by 11# doing (byte&0xF0)>>4 here, but unfortunately that's not 12# supported. So when we print out a message about an unknown format 13# we'll print out e.g. 0x30 instead of the more human-readable 14# 0x30>>4. 15# 16# See https://github.com/Sereal/Sereal/commit/35372ae01d in the 17# Sereal.git repository for test Sereal data. 180 string \=srl Sereal data 19!:mime application/sereal 20>4 byte&0x0F x (version %d, 21>4 byte&0xF0 0x00 uncompressed) 22>4 byte&0xF0 0x10 compressed with non-incremental Snappy) 23>4 byte&0xF0 0x20 compressed with incremental Snappy) 24>4 byte&0xF0 >0x20 unknown subformat, flag: %d>>4) 25