Example of scodec

Decoder.scala

package GIFReader
import scodec._
import bits._
import codecs._
import java.nio.file.{Files, Paths}


case class GIFHeader(width : Int, height : Int)



/**
  * Created by maxim on 17.04.2016.
  */
class Decoder(path : String) {
  val byteArray = Files.readAllBytes(Paths.get(path))
  val bitVector = BitVector(byteArray)

  val headerCodec = (constant(hex"474946383961".bits) :: uint16L :: uint16L).as[GIFHeader] //GIF89a
  val decoded = headerCodec.decode(bitVector)
  println(decoded.require.value)


}