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authorRaúl Benencia <rul@kalgan.cc>2013-09-05 19:57:02 -0300
committerRaúl Benencia <rul@kalgan.cc>2013-09-05 19:57:02 -0300
commit3bd3fd2c6eae2f36f69f247403421e8cf8226394 (patch)
tree0d92cd91d69cf52b9168c403af317643e88c2587 /src/Lazymail/Print.hs
parent41b53ca04b6d52457f331930e8fea68416498882 (diff)
Moved all code to src/
Diffstat (limited to 'src/Lazymail/Print.hs')
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diff --git a/src/Lazymail/Print.hs b/src/Lazymail/Print.hs
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+{- Printing utilities.
+ -
+ - Copyright 2013 Raúl Benencia <rul@kalgan.cc>
+ -
+ - Licensed under the GNU GPL version 3 or higher
+ -
+ -}
+
+module Lazymail.Print where
+
+import Data.Char (isSpace)
+import Data.List (intercalate)
+
+import Lazymail.Email
+import Codec.Text.Rfc1342
+import Lazymail.Types(Flag(..), Flags)
+
+unquote xs= if (head xs == '"' && last xs == '"') then (tail . init) xs else xs
+
+ppField = flat . decodeField
+
+{- Pretty print a RFC822 date format -}
+
+
+fromLen :: Int
+fromLen = 20
+
+maxFlags :: Int
+maxFlags = 4
+
+flat xs = intercalate " " $ map (dropWhile isSpace) $ map (filter (/= '\r')) $ lines xs
+
+ppFlags :: Flags -> String
+ppFlags = map ppFlag
+
+ppFlag :: Flag -> Char
+ppFlag NEW = 'N'
+ppFlag SEEN = 'S'
+ppFlag ANSWERED = 'A'
+ppFlag FLAGGED = 'F'
+ppFlag DRAFT = 'D'
+ppFlag FORWARDED = 'P'
+ppFlag DELETED = 'T'
+ppFlag (OTHERFLAG [c]) = c
+
+ppSep = " "
+
+normalizeLen len cs = if (length cs > len)
+ then shorten len cs
+ else if (length cs < len)
+ then fillWithSpace len cs
+ else cs
+
+fillWithSpace len cs = cs ++ (take (len - length cs) . repeat $ ' ')
+
+-- The following functions are from DynamicLog xmonad-contrib source
+
+-- | Wrap a string in delimiters, unless it is empty.
+wrap :: String -- ^ left delimiter
+ -> String -- ^ right delimiter
+ -> String -- ^ output string
+ -> String
+wrap _ _ "" = ""
+wrap l r m = l ++ m ++ r
+
+-- | Pad a string with a leading and trailing space.
+pad :: String -> String
+pad = wrap " " " "
+
+-- | Trim leading and trailing whitespace from a string.
+trim :: String -> String
+trim = f . f
+ where f = reverse . dropWhile isSpace
+
+-- | Limit a string to a certain length, adding "..." if truncated.
+shorten :: Int -> String -> String
+shorten n xs | length xs < n = xs
+ | otherwise = take (n - length end) xs ++ end
+ where
+ end = "..."
nihil fit ex nihilo