R/readInteger.R

In YsoSirius/windfarmGA: Genetic Algorithm for Wind Farm Layout Optimization

# nocov start
#' @title Check Input Crossover Method
#' @name readinteger
#' @description  Checks whether the input for \code{\link{crossover}} is given
#'   correctly. If not, a message is prompted which asks to input one of the 2
#'   available crossover methods. The available inputs are "E" and "R". "E"
#'   refers to partitioning at equal intervals and "R" refers to random
#'   partitioning.
#'
#' @family Helper Functions
#' @return Returns the selected crossover method (character)
readinteger <- function() {
  message("Select appropriate Method. Either 'EQU' for equal crossover parts or 'RAN' for random parts.\n")
  message("Type 'R' for random and 'E' for equal parts.\n")
  crPaInter <- readLines(n = 1, con = getOption("windfarmGA.connection"))

  crPaInter <- toupper(crPaInter)

  if (crPaInter == "R") {
    crossPart <- "RAN"
  }
  if (crPaInter == "E") {
    crossPart <- "EQU"
  }

  if (crPaInter != "E" && crPaInter != "R") {
    crossPart <- readinteger()
  }

  return(crossPart)
}

#' @title Check Input Selection Method
#' @name readintegerSel
#' @description  Checks whether the input for \code{\link{selection}} is given
#'   correctly. If not, a message is prompted which asks to input one of the 2
#'   available selection methods. The available inputs are "F" and "V". "F"
#'   refers to a fixed percentage of 50% and "V" refers to a variable
#'   percentage, based on the development of the population fitness values.
#'
#' @family Helper Functions
#' @return Returns the selected selection method (character)
readintegerSel <- function() {
  message("Select appropriate Selection Method. Either 'FIX' or 'VAR' are available.\n")

  message("Type 'F' for a fixed percentage of 50% and 'V' for a variable percentage.\n")
  selstaPr <- readLines(n = 1, con = getOption("windfarmGA.connection"))

  selstaPr <- toupper(selstaPr)
  if (selstaPr == "F") {
    selstate <- "FIX"
  }
  if (selstaPr == "V") {
    selstate <- "VAR"
  }

  if (selstaPr != "F" && selstaPr != "V") {
    selstate <- readintegerSel()
  }
  return(selstate)
}
# nocov end