Method: Lbt#num2path

Defined in:
lib/lbt/part_typeset.rb

#num2path(n_n_n) ⇒ Object

:nodoc:



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# File 'lib/lbt/part_typeset.rb', line 37

def num2path n_n_n
  return nil unless n_n_n.is_a? String
  num_pcs = /^(\d+(\.\d+)?)-(\d+(\.\d+)?)-(\d+(\.\d+)?)$/
  num_cs = /^(\d+(\.\d+)?)-(\d+(\.\d+)?)$/
  num_s = /^(\d+(\.\d+)?)$/
  if n_n_n =~ num_pcs
    path = "part#{$1}/chap#{$3}/sec#{$5}"
  elsif n_n_n =~ num_cs
    path = "chap#{$1}/sec#{$3}"
  elsif n_n_n =~ num_s
    path = "sec#{$1}"
  else
    return nil
  end
  srcs = Dir.glob("#{path}.*")
  return nil if srcs.size != 1
  srcs[0]
end