X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Flwn-epub.git;a=blobdiff_plain;f=src%2FCommandLine.hs;h=2df29a57dfd9a10635d46c75af20ccd47f66ae72;hp=a61cc30e46b570a34f6541e68a39f1368a5a8677;hb=6a7cfdf0880ee5c5367e794babb30fa7eac22f39;hpb=6f0e6cbece7e1b1a3c6b43d19eb2f29088af981c diff --git a/src/CommandLine.hs b/src/CommandLine.hs index a61cc30..2df29a5 100644 --- a/src/CommandLine.hs +++ b/src/CommandLine.hs @@ -1,6 +1,10 @@ {-# LANGUAGE DeriveDataTypeable #-} -module CommandLine (Args(..), apply_args) +module CommandLine ( + Args(..), + apply_args, + program_name, + show_help) where -- Get the version from Cabal. @@ -36,7 +40,8 @@ import ExitCodes data Args = - Args { output :: FilePath, + Args { full_stories :: Bool, + output :: FilePath, article :: String } deriving (Show, Data, Typeable) @@ -45,7 +50,7 @@ description :: String description = "Convert LWN articles to EPUB format." program_name :: String -program_name = "lwn_epub" +program_name = "lwn-epub" lwn_epub_summary :: String lwn_epub_summary = @@ -54,11 +59,15 @@ lwn_epub_summary = output_help :: String output_help = "Output file, defaults to stdout" +full_stories_help :: String +full_stories_help = "Replace \"Full Story\" links with their content" + arg_spec :: Mode (CmdArgs Args) arg_spec = cmdArgsMode $ Args { - output = def &= typFile &= help output_help, - article = def &= argPos 0 &= typ "ARTICLE" + full_stories = def &= help full_stories_help, + output = def &= typFile &= help output_help, + article = def &= argPos 0 &= typ "ARTICLE" } &= program program_name &= summary lwn_epub_summary @@ -71,6 +80,9 @@ is_missing_arg_error s = startswith "Requires at least" s +show_help :: IO (CmdArgs Args) +show_help = withArgs ["--help"] parse_args + parse_args :: IO (CmdArgs Args) parse_args = do x <- getArgs @@ -80,7 +92,7 @@ parse_args = do Left err -> if (is_missing_arg_error err) then -- Disregard the error message, show help instead. - withArgs ["--help"] parse_args + show_help else do hPutStrLn stderr err exitWith (ExitFailure exit_args_parse_failed)