From ce68d07f31019bf318a75e0ef9c438f0d25ae846 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ra=C3=BAl=20Benencia?= Date: Tue, 20 Aug 2013 20:37:34 -0300 Subject: first commit --- Print.hs | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 Print.hs (limited to 'Print.hs') diff --git a/Print.hs b/Print.hs new file mode 100644 index 0000000..2e47c39 --- /dev/null +++ b/Print.hs @@ -0,0 +1,85 @@ +-- This module is part of Lazymail, a Haskell email client. +-- +-- Copyright (C) 2013 Raúl Benencia +-- +-- This program is free software: you can redistribute it and/or modify +-- it under the terms of the GNU General Public License as published by +-- the Free Software Foundation, either version 3 of the License, or +-- (at your option) any later version. +-- +-- This program is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with this program. If not, see . + +module Print where + +import Network.Email.Mailbox(Flag(..), Flags) +import Text.ParserCombinators.Parsec.Rfc2822(NameAddr(..)) +import Data.Char ( isSpace ) + +import Email +import Rfc1342 + +nameLen = 20 +ppNameAddr nas = concat $ map ppNameAddr' nas + where ppNameAddr' na = case nameAddr_name na of + Nothing -> nameAddr_addr na + Just n -> decodeField n + +ppIndexNameAddr = normalizeLen nameLen . ppNameAddr + +subjectLen = 90 +ppSubject = decodeField +ppIndexSubject = normalizeLen subjectLen . ppSubject + +ppFlags :: Flags -> String +ppFlags = map ppFlag + +ppFlag :: Flag -> Char +ppFlag SEEN = 'S' +ppFlag ANSWERED = 'A' +ppFlag FLAGGED = 'F' +ppFlag DRAFT = 'D' +ppFlag FORWARDED = 'P' +ppFlag DELETED = 'T' +ppFlag (OTHERFLAG [c]) = c + +ppSep = "\t" + +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 = "..." -- cgit v1.2.3