content: -- This file is part of the Wire Server implementation.
  --
  -- Copyright (C) 2022 Wire Swiss GmbH <opensource@wire.com>
  --
  -- This program 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.
  --
  -- 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 Affero General Public License for more
  -- details.
  --
  -- You should have received a copy of the GNU Affero General Public License along
  -- with this program. If not, see <https://www.gnu.org/licenses/>.
  
  module Util.Attoparsec where
  
  import Data.Attoparsec.ByteString.Char8 qualified as Atto
  import Imports
  
  takeUpToWhile :: Int -> (Char -> Bool) -> Atto.Parser ByteString
  takeUpToWhile maxCount predicate =
    Atto.scan maxCount $ \count char -> do
      guard (count > 0)
      guard (predicate char)
      Just (count - 1)
  