X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Flwn-epub.git;a=blobdiff_plain;f=src%2FMain.hs;fp=src%2FMain.hs;h=373d423c9f322ba885db966fecff5b7e190c4dd4;hp=8687488f7817281760813cd06cdbc24a06ffb44f;hb=6f0e6cbece7e1b1a3c6b43d19eb2f29088af981c;hpb=ed2ed8abd62ba3dec7f799253de1133732f8c153 diff --git a/src/Main.hs b/src/Main.hs index 8687488..373d423 100644 --- a/src/Main.hs +++ b/src/Main.hs @@ -2,16 +2,16 @@ module Main where -import Data.Maybe (fromJust) -import System.Console.CmdArgs (cmdArgsRun) - +import System.IO ( + Handle, + IOMode (WriteMode), + openBinaryFile, + stdout + ) import Text.XML.HXT.Core - import CommandLine (Args(..), apply_args) -import Epublishable -import LWN.ArticlePage -import LWN.FullPage +import LWN.Page my_read :: String -> IOStateArrow s b XmlTree my_read = @@ -20,24 +20,35 @@ my_read = withInputEncoding utf8, withWarnings no ] +-- | If we're given an empty path, return a handle to +-- 'stdout'. Otherwise, open the given file and return a read/write +-- handle to that. +get_output_handle :: FilePath -> IO Handle +get_output_handle path = + if (null path) then + return stdout + else + openBinaryFile path WriteMode + + +-- | Convert the given article to either a URL or a filesystem +-- path. If the given article exists on the filesystem, we assume +-- it's a file. Otherwise, we check to see if it's a URL. Failing +-- that, we try to construct a URL from what we're given and do our +-- best. +real_article_path :: String -> IO String +real_article_path = return . id + main :: IO () main = do Args{..} <- apply_args - print article - - -- let article_html = my_read "test/fixtures/501317-article.html" - -- ioap <- parse article_html - -- let article_page :: ArticlePage = fromJust $ ioap - -- epublish article_page "single_article.epub" - - -- let page_html = my_read "test/fixtures/500848-page.html" - -- ioap_f <- parse page_html - -- let full_page :: FullPage = fromJust $ ioap_f - -- epublish full_page "full_page.epub" + output_handle <- get_output_handle output + input_path <- real_article_path article + let html = my_read input_path + result <- parse html - -- let bigpage_html = my_read "test/fixtures/50844-bigpage.html" - -- ioap_bp <- parse bigpage_html - -- let bigpage :: FullPage = fromJust $ ioap_bp - -- epublish bigpage "bigpage.epub" + case result of + Just stuff -> epublish stuff output_handle + Nothing -> return () - -- putStrLn "Done." + putStrLn "Done."