R/popsGetLevels.R

In IFC: Tools for Imaging Flow Cytometry

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# This file is released under the GNU General Public License, Version 3, GPL-3 #
# Copyright (C) 2020 Yohann Demont                                             #
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# It is part of IFC package, please cite:                                      #
# -IFC: An R Package for Imaging Flow Cytometry                                #
# -YEAR: 2020                                                                  #
# -COPYRIGHT HOLDERS: Yohann Demont, Gautier Stoll, Guido Kroemer,             #
#                     Jean-Pierre Marolleau, Loïc Garçon,                      #
#                     INSERM, UPD, CHU Amiens                                  #
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#' @title IFC_pops Levels Dependency Determination
#' @description
#' Helper that extract population levels.
#' @param pops list of populations.
#' @keywords internal
popsGetLevels <- function(pops) {
  assert(pops, cla = c("IFC_pops","Affiliated","Ordered"))
  l = length(pops)
  lev = rep(1, l)
  names(lev) = names(pops)
  if(l > 1) { 
    for(i in 2:l) {
      pop = pops[[i]]
      lev[i] = lev[i] + max(lev[setdiff(c(pop$base, pop$names), "")])
    }
  }
  return(lev)
}