Creates a directory structure of nested components loaded from a TSV file.

make_layout.cr

require "file_utils"

ROOT_PATH = Path.home / Path.new("Documents/Layout")

class Layout
  getter parentId : Int32?
  getter container : Bool
  property children : Array(Layout)

  def initialize(@id : Int32, @parentId : Int32?, @name : String, @type : String, @container : Bool)
    @children = Array(Layout).new
  end

  def unique_name : String
    "%00d-%s" % [@id, @name]
  end

  def tree
    visit_children(Array(String).new)
  end

  def visit_children(apath : Array(String))
    path = apath.dup
    path << unique_name
    begin
      if container || !children.empty?
        FileUtils.mkdir_p((ROOT_PATH / Path.new(path)).to_s)
      else
        FileUtils.touch((ROOT_PATH / Path.new(path)).to_s)
      end
    end

    children.each do |child|
      child.visit_children(path)
    end
  end
end

layouts = Hash(Int32, Layout).new
file_path = Path.home / Path["Desktop/layout.tsv"]

# load all nodes
File.each_line(file_path) do |line|
  puts line
  id, parent, name, type, container = line.split("\t")
  layouts[id.to_i] = Layout.new(id.to_i, parent.to_i?, name, type, (container == "true"))
end

# relate
roots = Array(Layout).new
layouts.each do |id, layout|
  if parentId = layout.parentId
    parent = layouts[layout.parentId]
    parent.children << layout
  else
    roots << layout
  end
end