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{- Chunk logs, pure operations.
 -
 - Copyright 2014 Joey Hess <joey@kitenet.net>
 -
 - Licensed under the GNU GPL version 3 or higher.
 -}

module Logs.Chunk.Pure 
	( ChunkSize
	, ChunkCount
	, ChunkLog
	, parseLog
	, showLog
	) where

import Common.Annex
import Logs.MapLog
import Data.Int

type ChunkSize = Int64

type ChunkCount = Integer

type ChunkLog = MapLog (UUID, ChunkSize) ChunkCount

parseLog :: String -> ChunkLog
parseLog = parseMapLog fieldparser valueparser
  where
	fieldparser s =
		let (u,sz) = separate (== sep) s
		in (,) <$> pure (toUUID u) <*> readish sz
	valueparser = readish

showLog :: ChunkLog -> String
showLog = showMapLog fieldshower valueshower
  where
	fieldshower (u, sz) = fromUUID u ++ sep : show sz
	valueshower = show

sep :: Char
sep = ':'