Tissevert/reveal
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Replace words / unwords, it's broken too

Browse source
This commit is contained in:
Tissevert 2019-05-24 10:22:43 +02:00
parent bb064eb0c7
commit 1e0114441b
2 changed files with 10 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/Main.hs
View file

@ -1,4 +1,5 @@
{-# LANGUAGE NamedFieldPuns #-} {-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where module Main where
import Codec.Compression.Zlib (compress, decompress) import Codec.Compression.Zlib (compress, decompress)
@ -7,7 +8,7 @@ import qualified Data.ByteString.Char8 as BS (
length, readFile length, readFile
) )
import qualified Data.ByteString.Lazy.Char8 as Lazy ( import qualified Data.ByteString.Lazy.Char8 as Lazy (
fromStrict, intercalate, pack, split, toStrict, writeFile fromStrict, intercalate, split, toStrict, writeFile
) )
import qualified Data.Map as Map (insert, lookup) import qualified Data.Map as Map (insert, lookup)
import PDF (Document(..), parseDocument, render) import PDF (Document(..), parseDocument, render)
@ -22,7 +23,7 @@ revealFlateEncodedText =
Lazy.toStrict . compress . revealText . decompress . Lazy.fromStrict Lazy.toStrict . compress . revealText . decompress . Lazy.fromStrict
where where
lines = Lazy.split '\n' lines = Lazy.split '\n'
unlines = Lazy.intercalate $ Lazy.pack "\n" unlines = Lazy.intercalate "\n"
revealText = unlines . fmap fill . lines revealText = unlines . fmap fill . lines
fill = update $ const Fill fill = update $ const Fill

10
src/PDF/TextRendering.hs
View file

@ -5,7 +5,8 @@ module PDF.TextRendering (
) where ) where
import Data.ByteString.Lazy.Char8 (ByteString) import Data.ByteString.Lazy.Char8 (ByteString)
import qualified Data.ByteString.Lazy.Char8 as BS (pack, readInt, unwords, words) import qualified Data.ByteString.Lazy.Char8 as BS (intercalate, pack, readInt, split)
import Prelude hiding (unwords, words)
data TextRendering = data TextRendering =
Fill Fill
@ -18,12 +19,15 @@ data TextRendering =
| AddPath | AddPath
deriving (Enum, Show) deriving (Enum, Show)
update :: (TextRendering -> TextRendering) -> ByteString -> ByteString update :: (TextRendering -> TextRendering) -> ByteString -> ByteString
update f = BS.unwords . changeTextRendering . BS.words update f = unwords . changeTextRendering . words
where where
changeTextRendering :: [ByteString] -> [ByteString]
changeTextRendering l@[value, "Tr"] = changeTextRendering l@[value, "Tr"] =
case BS.readInt value of case BS.readInt value of
Just (n, _) -> [BS.pack . show . fromEnum . f $ toEnum n, "Tr"] Just (n, _) -> [BS.pack . show . fromEnum . f $ toEnum n, "Tr"]
_ -> l _ -> l
changeTextRendering l = l changeTextRendering l = l
words = BS.split ' '
unwords = BS.intercalate " "