binary-wheel

Minimalistic structured data binary serialization library.

Quick example

bw = require 'binary-wheel'

Emotion = bw.enum ['Smile', 'Sad', 'Evil']

Message = bw.struct
  nickname: bw.string
  message: bw.string
  emotion: bw.optional Emotion

# pack binary data
buffer = Message.pack
  nickname: 'John'
  message: 'Hi!'
  emotion: 'Smile'

# unpack to JS object
message = Message.unpack buffer

Supported types

Name(s)	Size in bits
bool	1
int8, uint8	8
int16, uint16	16
int32, uint32	32
float32	32
scaled	8 or 16 or 32
enum	1 .. 32
varint	2 + (8 or 16 or 32)
optional T	1 + (0 or sizeof T)
string	sizeof varint + length*8
list T	sizeof varint + length*sizeof T
struct	sum sizeof members

Generate C++17

bw-gen-cpp types.coffee