X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Flwn-epub.git;a=blobdiff_plain;f=src%2FMain.hs;h=373d423c9f322ba885db966fecff5b7e190c4dd4;hp=da760e45af7a58676b8b6cfdd2c0198de6c41d78;hb=6f0e6cbece7e1b1a3c6b43d19eb2f29088af981c;hpb=44549423b80c9bf8edf5e942bc8ac457d9817195

diff --git a/src/Main.hs b/src/Main.hs
index da760e4..373d423 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,7 +1,54 @@
+{-# LANGUAGE ScopedTypeVariables, RecordWildCards #-}
 module Main
 where
 
+import System.IO (
+  Handle,
+  IOMode (WriteMode),
+  openBinaryFile,
+  stdout
+  )
+import Text.XML.HXT.Core
+
+import CommandLine (Args(..), apply_args)
+import LWN.Page
+
+my_read :: String -> IOStateArrow s b XmlTree
+my_read =
+  readDocument [ withValidate  no,
+                 withParseHTML yes,
+                 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
-  putStrLn "Hello, world."
+  Args{..} <- apply_args
+  output_handle <- get_output_handle output
+  input_path <- real_article_path article
+  let html = my_read input_path
+  result <- parse html
+
+  case result of
+    Just stuff  -> epublish stuff output_handle
+    Nothing     -> return ()
+
+  putStrLn "Done."