Generate Emoji module with TH.

- Add Text.Pandoc.Emoji.TH.
- Replace long literal list in Text.Pandoc.Emoji with one-liner
  generating it from data/emoji.json using TH.
- Add Makefile target to download data/emoji.json.
- Remove tools/emoji.hs.

1 files changed, 0 insertions, 36 deletions

diff --git a/tools/emojis.hs b/tools/emojis.hs
deleted file mode 100755
index 9926a9047..000000000
--- a/tools/emojis.hs
+++ /dev/null
@@ -1,36 +0,0 @@
--- Script to generate the list of emojis in T.P.Emoji.hs.
--- to run:
--- curl https://raw.githubusercontent.com/github/gemoji/master/db/emoji.json -o emoji.json
--- stack script --resolver lts-13.17 --package aeson --package bytestring --package text --package containers tools/emojis.hs < emoji.json
-
-{-# LANGUAGE ScopedTypeVariables #-}
-{-# LANGUAGE OverloadedStrings #-}
-import Data.Aeson
-import qualified Data.ByteString.Lazy as B
-import Data.Text (Text)
-import Data.Map as M
-
-data Emoji = Emoji Text [Text]
-  deriving Show
-
-instance FromJSON Emoji where
-    parseJSON = withObject "Emoji" $ \v -> Emoji
-        <$> v .: "emoji"
-        <*> v .: "aliases"
-
-main :: IO ()
-main = do
-  bs <- B.getContents
-  case eitherDecode bs of
-    Left e -> error e
-    Right (emoji :: [Emoji]) -> do
-      let emojis = M.fromList $
-           [(alias, txt) | Emoji txt aliases <- emoji, alias <- aliases]
-      putStrLn $ prettify $ dropWhile (/='[') $ show emojis
-
-prettify :: String -> String
-prettify [] = ""
-prettify ('[':xs) = '\n':' ':' ':'[':prettify xs
-prettify (']':xs) = '\n':' ':' ':']':prettify xs
-prettify (',':'(':xs) = '\n':' ':' ':',':'(':prettify xs
-prettify (x:xs) = x:prettify xs