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Diffstat (limited to 'src/lib/Xmobar/Plugins/Monitors/UVMeter.hs')
-rw-r--r-- | src/lib/Xmobar/Plugins/Monitors/UVMeter.hs | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/src/lib/Xmobar/Plugins/Monitors/UVMeter.hs b/src/lib/Xmobar/Plugins/Monitors/UVMeter.hs deleted file mode 100644 index 079177f..0000000 --- a/src/lib/Xmobar/Plugins/Monitors/UVMeter.hs +++ /dev/null @@ -1,157 +0,0 @@ -{-# LANGUAGE OverloadedStrings #-} ------------------------------------------------------------------------------ --- | --- Module : Plugins.Monitors.UVMeter --- Copyright : (c) Róman Joost --- License : BSD-style (see LICENSE) --- --- Maintainer : Róman Joost --- Stability : unstable --- Portability : unportable --- --- An australian uv monitor for Xmobar --- ------------------------------------------------------------------------------ - -module Xmobar.Plugins.Monitors.UVMeter where - -import Xmobar.Plugins.Monitors.Common - -import qualified Control.Exception as CE -import Network.HTTP.Conduit - (parseRequest, newManager, tlsManagerSettings, httpLbs, - responseBody) -import Data.ByteString.Lazy.Char8 as B -import Text.Read (readMaybe) -import Text.Parsec -import Text.Parsec.String -import Control.Monad (void) - - -uvConfig :: IO MConfig -uvConfig = mkMConfig - "<station>" -- template - ["station" -- available replacements - ] - -newtype UvInfo = UV { index :: String } - deriving (Show) - -uvURL :: String -uvURL = "https://uvdata.arpansa.gov.au/xml/uvvalues.xml" - -getData :: IO String -getData = - CE.catch (do request <- parseRequest uvURL - manager <- newManager tlsManagerSettings - res <- httpLbs request manager - return $ B.unpack $ responseBody res) - errHandler - where errHandler - :: CE.SomeException -> IO String - errHandler _ = return "<Could not retrieve data>" - -textToXMLDocument :: String -> Either ParseError [XML] -textToXMLDocument = parse document "" - -formatUVRating :: Maybe Float -> Monitor String -formatUVRating Nothing = getConfigValue naString -formatUVRating (Just x) = do - uv <- showWithColors show x - parseTemplate [uv] - -getUVRating :: String -> [XML] -> Maybe Float -getUVRating locID (Element "stations" _ y:_) = getUVRating locID y -getUVRating locID (Element "location" [Attribute attr] ys:xs) - | locID == snd attr = getUVRating locID ys - | otherwise = getUVRating locID xs -getUVRating _ (Element "index" [] [Body rate]:_) = readMaybe rate -getUVRating locID (_:xs) = getUVRating locID xs -getUVRating _ [] = Nothing - - -runUVMeter :: [String] -> Monitor String -runUVMeter [] = return "N.A." -runUVMeter (s:_) = do - resp <- io getData - case textToXMLDocument resp of - Right doc -> formatUVRating (getUVRating s doc) - Left _ -> getConfigValue naString - --- | XML Parsing code comes here. --- This is a very simple XML parser to just deal with the uvvalues.xml --- provided by ARPANSA. If you work on a new plugin which needs an XML --- parser perhaps consider using a real XML parser and refactor this --- plug-in to us it as well. --- --- Note: This parser can not deal with short tags. --- --- Kudos to: Charlie Harvey for his article about writing an XML Parser --- with Parsec. --- - -type AttrName = String -type AttrValue = String - -newtype Attribute = Attribute (AttrName, AttrValue) - deriving (Show) - -data XML = Element String [Attribute] [XML] - | Decl String - | Body String - deriving (Show) - --- | parse the document --- -document :: Parser [XML] -document = do - spaces - y <- try xmlDecl <|> tag - spaces - x <- many tag - spaces - return (y : x) - --- | parse any tags --- -tag :: Parser XML -tag = do - char '<' - spaces - name <- many (letter <|> digit) - spaces - attr <- many attribute - spaces - string ">" - eBody <- many elementBody - endTag name - spaces - return (Element name attr eBody) - -xmlDecl :: Parser XML -xmlDecl = do - void $ manyTill anyToken (string "<?xml") -- ignore the byte order mark - decl <- many (noneOf "?>") - string "?>" - return (Decl decl) - -elementBody :: Parser XML -elementBody = spaces *> try tag <|> text - -endTag :: String -> Parser String -endTag str = string "</" *> string str <* char '>' - -text :: Parser XML -text = Body <$> many1 (noneOf "><") - -attribute :: Parser Attribute -attribute = do - name <- many (noneOf "= />") - spaces - char '=' - spaces - char '"' - value <- many (noneOf "\"") - char '"' - spaces - return (Attribute (name, value)) |