Method: Marty::Xl#recalc_offsets

Defined in:

lib/marty/xl.rb

#recalc_offsets(ops_pos) ⇒ Object

# File 'lib/marty/xl.rb', line 356

def recalc_offsets(ops_pos)
  new_ops1, new_ops2, new_ops = [], [], []
  # precalculate the offsets of pos options embedded in another pos opt:
  ops_pos.each do |d|
    new_ops1 += d[2].select do |inner_ops|
      inner_ops if inner_ops[0] == 'pos'
    end.map do |inner|
      [inner[0], d[1].zip(inner[1]).map { |x, y| x + y }, inner[2]]
    end
  end
  # keep the offsets of non-pos options embedded in pos opt:
  new_ops2 = ops_pos.map do |d|
    [d[0], d[1], d[2].select { |inner| inner if inner[0] != 'pos' }]
  end
  new_ops = new_ops1 + new_ops2
  count = new_ops.count do |d|
    d[2].count do |inner_ops|
      inner_ops if inner_ops[0] == 'pos'
    end > 0
  end

  count == 0 ? new_ops.sort : recalc_offsets(new_ops)
end