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{-
Copyright (C) 2022 Yuchen Pei.
This file is part of fsd.
fsd is free software: you can redistribute it and/or modify it under
the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
fsd 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 Affero General
Public License for more details.
You should have received a copy of the GNU Affero General Public
License along with fsd. If not, see <https://www.gnu.org/licenses/>.
-}
{-# LANGUAGE ImportQualifiedPost #-}
{-# LANGUAGE OverloadedStrings #-}
module FSD.Control where
import Data.Either
import Data.List.Extra
import Data.Text (Text)
import Data.Text qualified as T
import Debian.Control
import Debug.Trace
-- import Text.Regex.TDFA
-- parse sources, packages, translations and copyright
-- https://manpages.debian.org/bullseye/dpkg-dev/deb822.5.en.html
-- https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
readControl :: String -> Control
readControl =
fromRight (Control []) . parseControl ""
-- stripControl . fromRight (Control []) . parseControl ""
simpleFV :: String -> Text
simpleFV = T.pack
-- multiple lines with nonsignficant whitespaces
foldedFV :: String -> Text
foldedFV = undefined
-- multilines
-- may erroneously remove first char of first line (we'll see)
multilineFV :: String -> Text
multilineFV raw =
let (first, rest) = fSynFV raw
in T.strip $ T.concat [first, "\n", rest]
-- whitespace separated list
wsListFV :: String -> [Text]
wsListFV = T.splitOn " " . foldedFV
-- line-based lists
lbListFV :: String -> [Text]
lbListFV = fmap T.strip . T.splitOn "\n" . T.pack
-- formatted text with synopsis
fSynFV :: String -> (Text, Text)
fSynFV raw =
let (synopsis, longRaw) = breakOn "\n" $ raw
paras =
if null longRaw
then []
else T.splitOn "\n .\n" $ T.pack $ tail longRaw
full =
T.intercalate "\n\n" $
(T.intercalate "\n" . fmap T.tail . T.lines) <$> paras
in (T.pack synopsis, full)
firstFieldName :: Paragraph -> Maybe String
firstFieldName (Paragraph []) = Nothing
firstFieldName (Paragraph (Comment _ : xs)) =
firstFieldName (Paragraph xs)
firstFieldName (Paragraph (Field (name, _) : _)) = Just name
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