base.js

var base = require('typewise-core/base')
var codecs = require('./codecs')
var util = require('./util')

//
// extend core sorts defined by typewise with bytewise-specific functionality
//

// byte represents byte tag prefix in encoded form, enforcing binary total order
// type tag is 1 byte, which gives us plenty of room to grow

//
// boundary types
//
base.bound.encode = util.encodeBaseBound

//
// value types
//
var sorts = base.sorts

sorts.void.byte = 0xf0

sorts.null.byte = 0x10


var BOOLEAN = sorts.boolean
BOOLEAN.sorts.false.byte = 0x20
BOOLEAN.sorts.true.byte = 0x21
BOOLEAN.bound.encode = util.encodeBound


var NUMBER = sorts.number
NUMBER.sorts.min.byte = 0x40
NUMBER.sorts.negative.byte = 0x41
NUMBER.sorts.positive.byte = 0x42
NUMBER.sorts.max.byte = 0x43
NUMBER.sorts.negative.codec = codecs.NEGATIVE_FLOAT
NUMBER.sorts.positive.codec = codecs.POSITIVE_FLOAT
NUMBER.bound.encode = util.encodeBound


var DATE = sorts.date
DATE.sorts.negative.byte = 0x51
DATE.sorts.positive.byte = 0x52
DATE.sorts.negative.codec = codecs.PRE_EPOCH_DATE
DATE.sorts.positive.codec = codecs.POST_EPOCH_DATE
DATE.bound.encode = util.encodeBound


var BINARY = sorts.binary
BINARY.byte = 0x60
BINARY.codec = codecs.UINT8
BINARY.bound.encode = util.encodeBound


var STRING = sorts.string
STRING.byte = 0x70
STRING.codec = codecs.UTF8
STRING.bound.encode = util.encodeBound


var ARRAY = sorts.array
ARRAY.byte = 0xa0
ARRAY.codec = codecs.LIST
ARRAY.bound.encode = util.encodeListBound


// var OBJECT = sorts.object
// OBJECT.byte = 0xb0
// OBJECT.codec = codecs.HASH
// OBJECT.bound.encode = util.encodeListBound

module.exports = base