1284194Sdelphij 2284194Sdelphij#------------------------------------------------------------------------------ 3284194Sdelphij# $File: smile,v 1.1 2011/08/17 17:37:18 christos Exp $ 4284194Sdelphij# smile: file(1) magic for Smile serialization 5284194Sdelphij# 6284194Sdelphij# The Smile serialization format uses a 4-byte header: 7284194Sdelphij# 8284194Sdelphij# Constant byte #0: 0x3A (ASCII ':') 9284194Sdelphij# Constant byte #1: 0x29 (ASCII ')') 10284194Sdelphij# Constant byte #2: 0x0A (ASCII linefeed, '\n') 11284194Sdelphij# Variable byte #3, consisting of bits: 12284194Sdelphij# Bits 4-7 (4 MSB): 4-bit version number 13284194Sdelphij# Bits 3: Reserved 14284194Sdelphij# Bit 2 (mask 0x04): Whether raw binary (unescaped 8-bit) values may be present in content 15284194Sdelphij# Bit 1 (mask 0x02): Whether shared String value checking was enabled during encoding, default false 16284194Sdelphij# Bit 0 (mask 0x01): Whether shared property name checking was enabled during encoding, default true 17284194Sdelphij# 18284194Sdelphij# Reference: http://wiki.fasterxml.com/SmileFormatSpec 19284194Sdelphij# Created by: Pierre-Alexandre Meyer <pierre@mouraf.org> 20284194Sdelphij 21284194Sdelphij# Detection 22284194Sdelphij0 string :)\n Smile binary data 23284194Sdelphij 24284194Sdelphij# Versioning 25284194Sdelphij>3 byte&0xF0 x version %d: 26284194Sdelphij 27284194Sdelphij# Properties 28284194Sdelphij>3 byte&0x04 0x04 binary raw, 29284194Sdelphij>3 byte&0x04 0x00 binary encoded, 30284194Sdelphij>3 byte&0x02 0x02 shared String values enabled, 31284194Sdelphij>3 byte&0x02 0x00 shared String values disabled, 32284194Sdelphij>3 byte&0x01 0x01 shared field names enabled 33284194Sdelphij>3 byte&0x01 0x00 shared field names disabled 34284194Sdelphij 35