blog_proto_readfunc.go

func readOps(outfile string) error {
	in, err := ioutil.ReadFile(outfile)
	if err != nil {
		return err
	}
	instructions := &typedefs.Instructions{}
	if err := proto.Unmarshal(in, instructions); err != nil {
		return err
	}
	for _, patch := range instructions.Operations {
		switch op := patch.Op.(type) {
		case *typedefs.Patch_CopyOp:
			fmt.Printf("Copy Operation start: %d, end : %d\n", op.CopyOp.Start, op.CopyOp.End)
		case *typedefs.Patch_InsertOp:
			fmt.Printf("Insert Operation Rawbytes length: %d\n", len(op.InsertOp.RawBytes))
		default:
			fmt.Println("No matching operations")
		}
	}
	return nil

}