import TSN.Xml ( parse_xmlfid )
--- | Warning! This does not automatically append a newline. The output
--- is displayed/logged as-is, for, you know, debug purposes.
+-- | Display and log debug information. WARNING! This does not
+-- automatically append a newline. The output is displayed/logged
+-- as-is, for, you know, debug purposes.
report_debug :: String -> IO ()
report_debug s = do
display_debug s
log_debug s
+
+-- | Display and log an error condition. This will prefix the error
+-- with "ERROR: " when displaying (but not logging) it so that it
+-- stands out.
+--
report_error :: String -> IO ()
report_error s = do
display_error $ "ERROR: " ++ s
log_error s
+
+-- | Display and log an informational (status) message.
report_info :: String -> IO ()
report_info s = do
display_info s
log_info s
--- | Warning! This does not automatically append a newline.
+
+-- | A special case of report_debug for reporting the two bits of data
+-- that we sent to TSN: the username and password.
+--
report_sent :: String -> IO ()
report_sent s = do
display_sent s
log_debug s
+
+-- | Display and log a warning. This will prefix the warning with
+-- "WARNING: " when displaying (but not logging) it so that it
+-- stands out.
+--
report_warning :: String -> IO ()
report_warning s = do
display_warning $ "WARNING: " ++ s
--
save_document :: Configuration -> String -> IO ()
save_document cfg doc =
- case maybe_path of
- Nothing ->
- report_error "Document missing XML_File_ID element."
- Just path -> do
+ case either_path of
+ Left err -> report_error err
+ Right path -> do
already_exists <- doesFileExist path
when already_exists $ do
let msg = "File " ++ path ++ " already exists, overwriting."
writeFile path doc
report_info $ "Wrote file: " ++ path ++ "."
where
+ -- All the fmaps are because we're working inside a Maybe.
xmlfid = fmap show (parse_xmlfid doc)
filename = fmap (++ ".xml") xmlfid
- maybe_path = fmap ((output_directory cfg) </>) filename
+ either_path = fmap ((output_directory cfg) </>) filename
-- | Loop forever, writing the buffer to file whenever a </message>