src/tnef/object_lvl.hs

   1 --
   2 -- Copyright Michael Orlitzky
   3 --
   4 -- http://michael.orlitzky.com/
   5 --
   6 -- This program is free software: you can redistribute it and/or modify
   7 -- it under the terms of the GNU General Public License as published by
   8 -- the Free Software Foundation, either version 3 of the License, or
   9 -- (at your option) any later version.
  10 --
  11 -- This program is distributed in the hope that it will be useful,
  12 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 -- GNU General Public License for more details.
  15 --
  16 -- http://www.fsf.org/licensing/licenses/gpl.html
  17 --
  18
  19 module Tnef.ObjectLvl where
  20
  21 import Data.Word
  22
  23 -- TNEF "Levels". Not sure why they're special, but
  24 -- one is attached to every TnefObject.
  25 data TnefObjectLvl = TnefObjectLvl { code :: Integer,
  26                                      desc :: String }
  27 instance Show TnefObjectLvl where
  28     show = desc
  29
  30
  31 tnef_object_lvls :: [TnefObjectLvl]
  32 tnef_object_lvls = [ TnefObjectLvl 0x01 "Message",
  33                      TnefObjectLvl 0x02 "Attachment" ]
  34
  35 -- I want to marry list comprehensions
  36 word_to_lvl :: Word8 -> TnefObjectLvl
  37 word_to_lvl c = head [ x | x <- tnef_object_lvls, (code x) == read (show c)]