parsed.nim

type Parsed = object
  first: char
  second: int
  xa: int
  xb: int
  pa: char
  pb: char


proc cleanUp(instructions: seq[string]): seq[Parsed] =
  result = @[]
  var
    element: Parsed
    first: char
    rem: string
    x: seq[string]
    a, b: int
  for instr in instructions:
    first = instr[0]
    rem = instr[1 .. instr.high]
    case first
    of 's':
      element = Parsed(first: first, second: rem.parseInt)
    of 'x':
      x = rem.split('/')
      a = x[0].parseInt
      b = x[1].parseInt
      element = Parsed(first: first, xa: a, xb: b)
    of 'p':
      element = Parsed(first: first, pa: rem[0], pb: rem[^1])
    else: discard
    result.add(element)