X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Flwn-epub.git;a=blobdiff_plain;f=src%2FMain.hs;h=1f6d7c5f436a583d5143b05c1cf55aaf4126995e;hp=88ba39c5ff493cd9b3b0acafc9992738d080138f;hb=291c39f59e958a012dd6e4ddec9b0276a4045b45;hpb=10f322ce20600de109c4643967b6ce3f61f69bf6 diff --git a/src/Main.hs b/src/Main.hs index 88ba39c..1f6d7c5 100644 --- a/src/Main.hs +++ b/src/Main.hs @@ -2,14 +2,21 @@ module Main where +import Control.Concurrent.ParallelIO (stopGlobalPool) +import System.Directory (doesFileExist) import System.IO ( Handle, IOMode (WriteMode), + hPutStrLn, openBinaryFile, - stdout) + stderr, + stdout + ) import CommandLine (show_help) import Configuration (Cfg(..), get_cfg) +import LWN.Article (real_article_path) +import LWN.HTTP (get_login_cookie) import LWN.Page (epublish, page_from_url) @@ -24,14 +31,28 @@ get_output_handle path = openBinaryFile path WriteMode +argument_is_file :: Cfg -> IO Bool +argument_is_file cfg = do + path <- real_article_path (article cfg) + doesFileExist path + main :: IO () main = do - cfg <- get_cfg + cfg' <- get_cfg + aif <- argument_is_file cfg' + cfg <- case aif of + False -> get_login_cookie cfg' + True -> return cfg' + page <- page_from_url cfg (article cfg) case page of Just p -> do output_handle <- get_output_handle (output cfg) epublish p output_handle Nothing -> do + hPutStrLn stderr "ERROR: could not parse an LWN page from the given URL." _ <- show_help return () + + -- Necessary, for some reason. + stopGlobalPool