d2-datawrapper

Simple byte array reader / writer for D2

Install

npm i -S d2-datawrapper

Release Note

1.2.5

• D2 var Short & Long support
• Writer can write in existing buffer

1.1.0

• Fixed UTF reading with gived offset
• Fixed reading with gived offset
• Fixed reading values

Features

• D2 - Read/Write varInt
• D2 - Read/Write varShort
• D2 - Read/Write varLong
• D2 - Get/Set flag
• D2 - Int64
• Read/Write Bytes
• Read/Write Byte
• Read/Write Boolean
• Read/Write Char
• Read/Write Sbyte
• Read/Write Short
• Read/Write Ushort
• Read/Write Int
• Read/Write Uint
• Read/Write Long
• Read/Write Ulong
• Read/Write UTF(8) string

Test

Code

'use strict'
const writer = require('d2-datawrapper/writer')
const reader = require('d2-datawrapper/reader')
 
 
var parse = new writer()
parse.writeUTF('Hey !')
parse.writeShort(2)
parse.writeInt(666)
parse.writeLong(1234567890)
parse.writeByte(1)
parse.writeUTF('End ^^')
 
var parsed = new reader(parse.buffer)
 
console.log(
parsed.readUTF()   + '\n' +
parsed.readShort() + '\n' +
parsed.readInt()   + '\n' +
parsed.readLong()  + '\n' +
parsed.readByte()  + '\n' +
parsed.readUTF()
)

Output

Hey !
2
666
1234567890
1
End ^^

Documentation