1 files changed, 80 insertions, 0 deletions
diff --git a/src/Lazymail/Print.hs b/src/Lazymail/Print.hs
new file mode 100644
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+++ b/src/Lazymail/Print.hs
@@ -0,0 +1,80 @@
+{- 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 = "..."