From 50134d5b5c4baabdfb35c0aeb8bf53d29f009c4d Mon Sep 17 00:00:00 2001 From: jao Date: Wed, 21 Nov 2018 23:51:41 +0000 Subject: All sources moved inside src --- src/Xmobar/Parsers.hs | 190 -------------------------------------------------- 1 file changed, 190 deletions(-) delete mode 100644 src/Xmobar/Parsers.hs (limited to 'src/Xmobar/Parsers.hs') diff --git a/src/Xmobar/Parsers.hs b/src/Xmobar/Parsers.hs deleted file mode 100644 index 33afd09..0000000 --- a/src/Xmobar/Parsers.hs +++ /dev/null @@ -1,190 +0,0 @@ -{-# LANGUAGE FlexibleContexts #-} - ------------------------------------------------------------------------------ --- | --- Module : Xmobar.Parsers --- Copyright : (c) Andrea Rossato --- License : BSD-style (see LICENSE) --- --- Maintainer : Jose A. Ortega Ruiz --- Stability : unstable --- Portability : unportable --- --- Parsers needed for Xmobar, a text based status bar --- ------------------------------------------------------------------------------ - -module Xmobar.Parsers - ( parseString - , parseTemplate - , Widget(..) - ) where - -import Xmobar.Config -import Xmobar.Runnable -import Xmobar.Commands -import Xmobar.Actions - -import Control.Monad (guard, mzero) -import qualified Data.Map as Map -import Text.ParserCombinators.Parsec -import Graphics.X11.Types (Button) - -data Widget = Icon String | Text String - -type ColorString = String -type FontIndex = Int - --- | Runs the string parser -parseString :: Config -> String -> IO [(Widget, ColorString, FontIndex, Maybe [Action])] -parseString c s = - case parse (stringParser (fgColor c) 0 Nothing) "" s of - Left _ -> return [(Text $ "Could not parse string: " ++ s - , fgColor c - , 0 - , Nothing)] - Right x -> return (concat x) - -allParsers :: ColorString - -> FontIndex - -> Maybe [Action] - -> Parser [(Widget, ColorString, FontIndex, Maybe [Action])] -allParsers c f a = - textParser c f a - <|> try (iconParser c f a) - <|> try (rawParser c f a) - <|> try (actionParser c f a) - <|> try (fontParser c a) - <|> colorParser f a - --- | Gets the string and combines the needed parsers -stringParser :: String -> FontIndex -> Maybe [Action] - -> Parser [[(Widget, ColorString, FontIndex, Maybe [Action])]] -stringParser c f a = manyTill (allParsers c f a) eof - --- | Parses a maximal string without color markup. -textParser :: String -> FontIndex -> Maybe [Action] - -> Parser [(Widget, ColorString, FontIndex, Maybe [Action])] -textParser c f a = do s <- many1 $ - noneOf "<" <|> - try (notFollowedBy' (char '<') - (try (string "fc=") <|> - try (string "fn=") <|> - try (string "action=") <|> - try (string "/action>") <|> - try (string "icon=") <|> - try (string "raw=") <|> - try (string "/fn>") <|> - string "/fc>")) - return [(Text s, c, f, a)] - --- | Parse a "raw" tag, which we use to prevent other tags from creeping in. --- The format here is net-string-esque: a literal "". -rawParser :: ColorString - -> FontIndex - -> Maybe [Action] - -> Parser [(Widget, ColorString, FontIndex, Maybe [Action])] -rawParser c f a = do - string " do - guard ((len :: Integer) <= fromIntegral (maxBound :: Int)) - s <- count (fromIntegral len) anyChar - string "/>" - return [(Text s, c, f, a)] - _ -> mzero - --- | Wrapper for notFollowedBy that returns the result of the first parser. --- Also works around the issue that, at least in Parsec 3.0.0, notFollowedBy --- accepts only parsers with return type Char. -notFollowedBy' :: Parser a -> Parser b -> Parser a -notFollowedBy' p e = do x <- p - notFollowedBy $ try (e >> return '*') - return x - -iconParser :: String -> FontIndex -> Maybe [Action] - -> Parser [(Widget, ColorString, FontIndex, Maybe [Action])] -iconParser c f a = do - string "") (try (string "/>")) - return [(Icon i, c, f, a)] - -actionParser :: String -> FontIndex -> Maybe [Action] -> Parser [(Widget, ColorString, FontIndex, Maybe [Action])] -actionParser c f act = do - string "")] - buttons <- (char '>' >> return "1") <|> (space >> spaces >> - between (string "button=") (string ">") (many1 (oneOf "12345"))) - let a = Spawn (toButtons buttons) command - a' = case act of - Nothing -> Just [a] - Just act' -> Just $ a : act' - s <- manyTill (allParsers c f a') (try $ string "") - return (concat s) - -toButtons :: String -> [Button] -toButtons = map (\x -> read [x]) - --- | Parsers a string wrapped in a color specification. -colorParser :: FontIndex -> Maybe [Action] -> Parser [(Widget, ColorString, FontIndex, Maybe [Action])] -colorParser f a = do - c <- between (string "") colors - s <- manyTill (allParsers c f a) (try $ string "") - return (concat s) - --- | Parsers a string wrapped in a font specification. -fontParser :: ColorString -> Maybe [Action] -> Parser [(Widget, ColorString, FontIndex, Maybe [Action])] -fontParser c a = do - f <- between (string "") colors - s <- manyTill (allParsers c (read f) a) (try $ string "") - return (concat s) - --- | Parses a color specification (hex or named) -colors :: Parser String -colors = many1 (alphaNum <|> char ',' <|> char '#') - --- | Parses the output template string -templateStringParser :: Config -> Parser (String,String,String) -templateStringParser c = do - s <- allTillSep c - com <- templateCommandParser c - ss <- allTillSep c - return (com, s, ss) - --- | Parses the command part of the template string -templateCommandParser :: Config -> Parser String -templateCommandParser c = - let chr = char . head . sepChar - in between (chr c) (chr c) (allTillSep c) - --- | Combines the template parsers -templateParser :: Config -> Parser [(String,String,String)] -templateParser = many . templateStringParser - --- | Actually runs the template parsers -parseTemplate :: Config -> String -> IO [(Runnable,String,String)] -parseTemplate c s = - do str <- case parse (templateParser c) "" s of - Left _ -> return [("", s, "")] - Right x -> return x - let cl = map alias (commands c) - m = Map.fromList $ zip cl (commands c) - return $ combine c m str - --- | Given a finite "Map" and a parsed template produce the resulting --- output string. -combine :: Config -> Map.Map String Runnable - -> [(String, String, String)] -> [(Runnable,String,String)] -combine _ _ [] = [] -combine c m ((ts,s,ss):xs) = (com, s, ss) : combine c m xs - where com = Map.findWithDefault dflt ts m - dflt = Run $ Com ts [] [] 10 - -allTillSep :: Config -> Parser String -allTillSep = many . noneOf . sepChar -- cgit v1.2.3