blob: 496fdbc0ac40d6dd2b6eab18c4cb7a347014597e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
{-
Copyright © 2017 Albert Krewinkel <tarleb+pandoc@moltkeplatz.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
{- |
Module : Text.Pandoc.Lua.Module.Utils
Copyright : Copyright © 2017 Albert Krewinkel
License : GNU GPL, version 2 or above
Maintainer : Albert Krewinkel <tarleb+pandoc@moltkeplatz.de>
Stability : alpha
Utility module for lua, exposing internal helper functions.
-}
module Text.Pandoc.Lua.Module.Utils
( pushModule
) where
import Data.Digest.Pure.SHA (sha1, showDigest)
import Foreign.Lua (Lua, NumResults)
import Text.Pandoc.Lua.StackInstances ()
import Text.Pandoc.Lua.Util (addFunction)
import qualified Data.ByteString.Lazy as BSL
import qualified Foreign.Lua as Lua
-- | Push the "pandoc.utils" module to the lua stack.
pushModule :: Lua NumResults
pushModule = do
Lua.newtable
addFunction "sha1" sha1HashFn
return 1
-- | Calculate the hash of the given contents.
sha1HashFn :: BSL.ByteString
-> Lua String
sha1HashFn = return . showDigest . sha1
|
