root / src / Ganeti / DataCollectors / CLI.hs @ 3add7574
History | View | Annotate | Download (2.1 kB)
1 |
{-| Implementation of DataCollectors CLI functions. |
---|---|
2 |
|
3 |
This module holds the common command-line related functions for the |
4 |
collector binaries. |
5 |
|
6 |
-} |
7 |
|
8 |
{- |
9 |
|
10 |
Copyright (C) 2009, 2010, 2011, 2012 Google Inc. |
11 |
|
12 |
This program is free software; you can redistribute it and/or modify |
13 |
it under the terms of the GNU General Public License as published by |
14 |
the Free Software Foundation; either version 2 of the License, or |
15 |
(at your option) any later version. |
16 |
|
17 |
This program is distributed in the hope that it will be useful, but |
18 |
WITHOUT ANY WARRANTY; without even the implied warranty of |
19 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
20 |
General Public License for more details. |
21 |
|
22 |
You should have received a copy of the GNU General Public License |
23 |
along with this program; if not, write to the Free Software |
24 |
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
25 |
02110-1301, USA. |
26 |
|
27 |
-} |
28 |
|
29 |
module Ganeti.DataCollectors.CLI |
30 |
( Options(..) |
31 |
, OptType |
32 |
, defaultOptions |
33 |
-- * The options |
34 |
, oShowHelp |
35 |
, oShowVer |
36 |
, oShowComp |
37 |
, genericOptions |
38 |
) where |
39 |
|
40 |
import Ganeti.Common as Common |
41 |
|
42 |
-- * Data types |
43 |
|
44 |
-- | Command line options structure. |
45 |
data Options = Options |
46 |
{ optShowHelp :: Bool -- ^ Just show the help |
47 |
, optShowComp :: Bool -- ^ Just show the completion info |
48 |
, optShowVer :: Bool -- ^ Just show the program version |
49 |
} deriving Show |
50 |
|
51 |
-- | Default values for the command line options. |
52 |
defaultOptions :: Options |
53 |
defaultOptions = Options |
54 |
{ optShowHelp = False |
55 |
, optShowComp = False |
56 |
, optShowVer = False |
57 |
} |
58 |
|
59 |
-- | Abbreviation for the option type. |
60 |
type OptType = GenericOptType Options |
61 |
|
62 |
instance StandardOptions Options where |
63 |
helpRequested = optShowHelp |
64 |
verRequested = optShowVer |
65 |
compRequested = optShowComp |
66 |
requestHelp o = o { optShowHelp = True } |
67 |
requestVer o = o { optShowVer = True } |
68 |
requestComp o = o { optShowComp = True } |
69 |
|
70 |
-- * Command line options |
71 |
|
72 |
-- | Generic options. |
73 |
genericOptions :: [GenericOptType Options] |
74 |
genericOptions = [ oShowVer |
75 |
, oShowHelp |
76 |
, oShowComp |
77 |
] |