diff options
Diffstat (limited to 'Biz/Cli.hs')
-rw-r--r-- | Biz/Cli.hs | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/Biz/Cli.hs b/Biz/Cli.hs deleted file mode 100644 index c524332..0000000 --- a/Biz/Cli.hs +++ /dev/null @@ -1,61 +0,0 @@ -{-# LANGUAGE LambdaCase #-} -{-# LANGUAGE OverloadedStrings #-} -{-# LANGUAGE RecordWildCards #-} -{-# LANGUAGE NoImplicitPrelude #-} - -module Biz.Cli - ( Plan (..), - main, - Docopt.Docopt (..), - Docopt.Arguments, - Docopt.argument, - Docopt.docopt, - Docopt.getAllArgs, - Docopt.getArg, - Docopt.getArgWithDefault, - Docopt.longOption, - Docopt.shortOption, - Docopt.command, - has, - ) -where - -import Alpha -import qualified Biz.Test as Test -import qualified System.Console.Docopt as Docopt -import qualified System.Environment as Environment - --- | Plan is the main data structure that describes a CLI program. It's not the --- best name, but it works. This type is parameterized with `cfg` so you can --- load configuration from the environment and pass it into your Plan. -data Plan cfg = Plan - { -- | Usage info, shows when given --help - help :: Docopt.Docopt, - -- | The main function takes arguments and produces effects. Maybe it should - -- also take `cfg` as an argument? - move :: Docopt.Arguments -> IO (), - -- | The test suite for the gram, invoked when 'test' is passed as the first - -- argument to the program - test :: Test.Tree, - -- | Function for cleaning up any files or resources, presumably on - -- shutdown. Can be just `pure` if you have nothing to tidy. - tidy :: cfg -> IO () - } - --- | The entrypoint for CLI programs, use this in your own `main`. -main :: Plan cfg -> IO () -main Plan {..} = - Environment.getArgs - /> Docopt.parseArgs help - +> \case - Left err -> panic <| show err - Right args -> - if args `has` Docopt.command "test" - then Test.run test - else - if args `has` Docopt.longOption "help" || args `has` Docopt.shortOption 'h' - then Docopt.exitWithUsage help - else move args - -has :: Docopt.Arguments -> Docopt.Option -> Bool -has = Docopt.isPresent |