From 06b117fda0fc2412ef6e9cf95037d13ed81ab7e7 Mon Sep 17 00:00:00 2001
From: Felix Springer <felixspringer149@gmail.com>
Date: Fri, 12 Jul 2019 00:58:40 +0200
Subject: added comments

---
 src/Xmobar/Plugins/Monitors/CoreTemp.hs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/Xmobar/Plugins/Monitors/CoreTemp.hs b/src/Xmobar/Plugins/Monitors/CoreTemp.hs
index 18efa98..abe3fb8 100644
--- a/src/Xmobar/Plugins/Monitors/CoreTemp.hs
+++ b/src/Xmobar/Plugins/Monitors/CoreTemp.hs
@@ -68,31 +68,38 @@ cTConfig = mkMConfig cTTemplate cTOptions
                     , "avg" , "avgpc" , "avgbar" , "avgvbar" , "avgipat"
                     ] ++ (map (("core" ++) . show) [0 :: Int ..])
 
+-- | Returns the first coretemp.N path found.
 coretempPath :: IO String
 coretempPath = do xs <- filterM doesDirectoryExist ps
                   let x = head xs
                   return x
   where ps = [ "/sys/bus/platform/devices/coretemp." ++ (show (x :: Int)) ++ "/" | x <- [0..9] ]
 
+-- | Returns the first hwmonN path found.
 hwmonPath :: IO String
 hwmonPath = do p <- coretempPath
                xs <- filterM doesDirectoryExist [ p ++ "hwmon/hwmon" ++ show (x :: Int) ++ "/" | x <- [0..9] ]
                let x = head xs
                return x
 
+-- | Checks Labels, if they refer to a core and returns Strings of core-
+-- temperatures.
 corePaths :: IO [String]
 corePaths = do p <- hwmonPath
                ls <- filterM doesFileExist [ p ++ "temp" ++ show (x :: Int) ++ "_label" | x <- [0..9] ]
                cls <- filterM isLabelFromCore ls
                return $ map labelToCore cls
 
+-- | Checks if Label refers to a core.
 isLabelFromCore :: FilePath -> IO Bool
 isLabelFromCore p = do a <- readFile p
                        return $ take 4 a == "Core"
 
+-- | Transform a path to Label to a path to core-temperature.
 labelToCore :: FilePath -> FilePath
 labelToCore = (++ "input") . reverse . drop 5 . reverse
 
+-- | Reads core-temperatures as data from the system.
 cTData :: IO [Float]
 cTData = do fps <- corePaths
             fs <- traverse readSingleFile fps
@@ -103,11 +110,14 @@ cTData = do fps <- corePaths
           where parseContent :: String -> Float
                 parseContent = read . head . lines
 
+-- | Transforms data of temperatures into temperatures of degree Celsius.
 parseCT :: IO [Float]
 parseCT = do rawCTs <- cTData
              let normalizedCTs = map (/ 1000) rawCTs :: [Float]
              return normalizedCTs
 
+-- | Performs calculation for maximum and average.
+-- Sets up Bars and Values to be printed.
 formatCT :: CTOpts -> [Float] -> Monitor [String]
 formatCT opts cTs = do let CTOpts { mintemp = minT
                                   , maxtemp = maxT } = opts
-- 
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