1*835f6802SDirk Vogt 2*835f6802SDirk Vogt#------------------------------------------------------------------------------ 3*835f6802SDirk Vogt# $File: smile,v 1.1 2011/08/17 17:37:18 christos Exp $ 4*835f6802SDirk Vogt# smile: file(1) magic for Smile serialization 5*835f6802SDirk Vogt# 6*835f6802SDirk Vogt# The Smile serialization format uses a 4-byte header: 7*835f6802SDirk Vogt# 8*835f6802SDirk Vogt# Constant byte #0: 0x3A (ASCII ':') 9*835f6802SDirk Vogt# Constant byte #1: 0x29 (ASCII ')') 10*835f6802SDirk Vogt# Constant byte #2: 0x0A (ASCII linefeed, '\n') 11*835f6802SDirk Vogt# Variable byte #3, consisting of bits: 12*835f6802SDirk Vogt# Bits 4-7 (4 MSB): 4-bit version number 13*835f6802SDirk Vogt# Bits 3: Reserved 14*835f6802SDirk Vogt# Bit 2 (mask 0x04): Whether raw binary (unescaped 8-bit) values may be present in content 15*835f6802SDirk Vogt# Bit 1 (mask 0x02): Whether shared String value checking was enabled during encoding, default false 16*835f6802SDirk Vogt# Bit 0 (mask 0x01): Whether shared property name checking was enabled during encoding, default true 17*835f6802SDirk Vogt# 18*835f6802SDirk Vogt# Reference: http://wiki.fasterxml.com/SmileFormatSpec 19*835f6802SDirk Vogt# Created by: Pierre-Alexandre Meyer <pierre@mouraf.org> 20*835f6802SDirk Vogt 21*835f6802SDirk Vogt# Detection 22*835f6802SDirk Vogt0 string :)\n Smile binary data 23*835f6802SDirk Vogt 24*835f6802SDirk Vogt# Versioning 25*835f6802SDirk Vogt>3 byte&0xF0 x version %d: 26*835f6802SDirk Vogt 27*835f6802SDirk Vogt# Properties 28*835f6802SDirk Vogt>3 byte&0x04 0x04 binary raw, 29*835f6802SDirk Vogt>3 byte&0x04 0x00 binary encoded, 30*835f6802SDirk Vogt>3 byte&0x02 0x02 shared String values enabled, 31*835f6802SDirk Vogt>3 byte&0x02 0x00 shared String values disabled, 32*835f6802SDirk Vogt>3 byte&0x01 0x01 shared field names enabled 33*835f6802SDirk Vogt>3 byte&0x01 0x00 shared field names disabled 34*835f6802SDirk Vogt 35