Refactoriza el siguiente código para hacerlo más eficiente y fácil de entender.
```nim
import std/[os, tables, strformat, strutils]
import pkg/tinyre
import types, utils, data_validator

type
  SeqOrBool = object
    seqVal*: seq[string]
    boolVal*: bool

  Error = object
    there*: bool
    msg*: string

  CmdosData* = Table[string, SeqOrBool]

proc parseRange(s: string): (int, int) =
  var parts = s.split(re"\.\.")
  if parts.len != 2:
    raise newException(ValueError, &"[CmdosArg.nVal] Invalid range format: '{s}'")
  let start = parts[0].parseInt
  let finish = parts[1].parseInt
  return (start, finish)

proc hasError(status: bool, text: string = ""): Error =
  result = Error(there: status, msg: text)

### Process input options
proc processCmd*(command: static CmdosCmd, ignoreFirstOpt: bool = false, inputs: seq[string] = os.commandLineParams()): (Table[string, SeqOrBool], Error) =
  # Validate the commands
  const status = isValidCmdosCmd(command)

  let reExclude = tinyre.re"^-"
  var initialValues: seq[string]
  var data = initTable[string, SeqOrBool]()
  var err = hasError(false)
  var ignoreFirst = ignoreFirstOpt

  # If `ignoreFirst` is true, capture all initial arguments.
  # if ignoreFirst and inputs.len > 0:
  #   for i in 0..<inputs.len:
  #     if tinyre.contains(inputs[i], reExclude): break
  #     initialValues.add(inputs[i])

  # El comando existe?
  if inputs[0] notin command.alias:
    err = hasError(true, &"{inputs[0]} is not a command.")
    return (data, err)

  for arg in command.args:
    let longAlias = getLongestWord(arg.alias)
    let rangeString = arg.nVal
    var values: seq[string]
    var haveValue = false

    # Iterate over the input arguments
    for i in 0..<inputs.len:
      if inputs[i] in arg.alias:
        var j, start, finish: int
        var insufficient = false
        var limitedCase: string
        j = i + 1

        # Determine the range of values
        if rangeString == "+":
          finish = inputs.len
        elif rangeString.contains(".."):
          let (inicio, fin) = parseRange(rangeString)
          finish = inicio
          limitedCase = ".."
        else:
          finish = parseInt(rangeString)
          limitedCase = "n"

        # Check if 'finish' is greater than the length of inputs
        if finish > inputs.len:
          err = hasError(true, "Invalid range value.")
          return (data, err)

        # Handle flag
        if arg.nVal == "0":
          data[longAlias] = SeqOrBool(seqVal: @[""], boolVal: true)
          haveValue = true
        else:
          var n = 0
          haveValue = true
          # Handle option with inputs
          while j < inputs.len and not tinyre.contains(inputs[j], reExclude):
            echo "$1 $2" % [$j, $n]
            case limitedCase:
              of "n":
                if (n == finish):
                  insufficient = false
                  echo "Hi!"
                  break
              of "..":
                if (n >= start and n <= finish):
                  insufficient = false
                  break
                insufficient = true
            values.add(inputs[j])
            n += 1
            inc(j)
          if insufficient == true:
            err = hasError(true, "Insufficient arguments")
            return (data, err)
        break

    # Handle default values and initial values
    if longAlias == "" and initialValues.len > 0 and ignoreFirst:
      data["--"] = SeqOrBool(seqVal: initialValues)
      ignoreFirst = false
      continue
    if longAlias == "" and initialValues.len == 0 and ignoreFirst:
      err = hasError(true, "Insufficient arguments to run the command.")
      return (data, err)

    if arg.nVal == "0" and not haveValue:
      data[longAlias] = SeqOrBool(seqVal: @[""], boolVal: false)
    if values.len == 0 and arg.defVal.len > 0:
      data[longAlias] = SeqOrBool(seqVal: arg.defVal)
    if values.len > 0:
      data[longAlias] = SeqOrBool(seqVal: values)

  return (data, err)

```