Use external emojis package.

Moved the emoji-specified code into an external package
we can depend on.

COPYRIGHT

@@ -196,30 +196,3 @@ The file data/jats.csl is derived from a csl file by Martin Fenner,
 revised by Martin Paul Eve and then John MacFarlane.
 "This work is licensed under a Creative Commons Attribution-ShareAlike 3.0
 License. Originally by Martin Fenner."
-
-------------------------------------------------------------------------
-The file emoji.json is derived from https://github.com/github/gemoji.
-
-Copyright (c) 2019 GitHub, Inc.
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the "Software"), to deal in the Software without
-restriction, including without limitation the rights to use,
-copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the
-Software is furnished to do so, subject to the following
-conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-

Makefile

@@ -120,9 +120,6 @@ download_stats:
 	curl https://api.github.com/repos/jgm/pandoc/releases | \
 		jq -r '.[] | .assets | .[] | "\(.download_count)\t\(.name)"'
 
-emoji.json:
-	curl https://raw.githubusercontent.com/github/gemoji/master/db/emoji.json | jq '[.[] | {emoji: .emoji, aliases: .aliases}]' > $@
-
 pandoc-templates:
 	rm ../pandoc-templates/default.* ; \
 	cp data/templates/default.* ../pandoc-templates/ ; \

pandoc.cabal

@@ -189,8 +189,6 @@ extra-source-files:
                  -- files needed to build man page
                  man/manfilter.lua
                  man/pandoc.1.template
-                 -- data files used by TH
-                 emoji.json
                  -- trypandoc
                  trypandoc/Makefile
                  trypandoc/index.html
@@ -430,7 +428,7 @@ library
                  ipynb >= 0.1 && < 0.2,
                  attoparsec >= 0.12 && < 0.14,
                  text-conversions >= 0.3 && < 0.4,
-                 template-haskell > 2
+                 emojis >= 0.1 && < 0.2
   if os(windows) && arch(i386)
      build-depends: basement >= 0.0.10,
                     foundation >= 0.0.23
@@ -465,7 +463,7 @@ library
                      -fhide-source-paths
 
   default-language: Haskell2010
-  other-extensions: NoImplicitPrelude, TemplateHaskell
+  other-extensions: NoImplicitPrelude
   hs-source-dirs:  src
 
   exposed-modules: Text.Pandoc,
@@ -624,7 +622,6 @@ library
                    Text.Pandoc.UUID,
                    Text.Pandoc.Translations,
                    Text.Pandoc.Slides,
-                   Text.Pandoc.Emoji.TH,
                    Paths_pandoc
   autogen-modules: Paths_pandoc
   buildable:       True

src/Text/Pandoc/Emoji.hs

@@ -14,14 +14,14 @@ Emoji symbol lookup from canonical string identifier.
 -}
 module Text.Pandoc.Emoji ( emojis, emojiToInline ) where
 import Prelude
-import qualified Data.Map as M
-import qualified Data.Text as T
+import qualified Text.Emoji as E
 import Text.Pandoc.Definition (Inline (Span, Str))
-import Text.Pandoc.Emoji.TH (genEmojis)
+import Data.Text (Text)
+import qualified Data.Map as M
 
-emojis :: M.Map T.Text T.Text
-emojis = M.fromList $(genEmojis "emoji.json")
+emojis :: M.Map Text Text
+emojis = M.fromList E.emojis
 
-emojiToInline :: T.Text -> Maybe Inline
-emojiToInline emojikey = makeSpan <$> M.lookup emojikey emojis
+emojiToInline :: Text -> Maybe Inline
+emojiToInline emojikey = makeSpan <$> E.emojiFromAlias emojikey
   where makeSpan = Span ("", ["emoji"], [("data-emoji", emojikey)]) . (:[]) . Str

src/Text/Pandoc/Emoji/TH.hs

@@ -1,40 +0,0 @@
-{-# LANGUAGE ScopedTypeVariables #-}
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskellQuotes #-}
-{- |
-   Module      : Text.Pandoc.Emoji.TH
-   Copyright   : Copyright (C) 2019 John MacFarlane
-   License     : GNU GPL, version 2 or above
-
-   Maintainer  : John MacFarlane <jgm@berkeley.edu>
-   Stability   : alpha
-   Portability : portable
-
-Code generation for emoji list in Text.Pandoc.Emoji.
--}
-module Text.Pandoc.Emoji.TH ( genEmojis ) where
-import Prelude
-import Data.Aeson
-import qualified Data.ByteString.Lazy as B
-import Language.Haskell.TH
-import Language.Haskell.TH.Syntax (addDependentFile)
-
-genEmojis :: FilePath -> Q Exp
-genEmojis fp = do
-  addDependentFile fp
-  bs <- runIO $ B.readFile fp
-  case eitherDecode bs of
-    Left e -> error e
-    Right (emoji :: [Emoji]) -> [| emojis |]
-      where emojis = [ (alias, txt)
-                     | Emoji txt aliases <- emoji
-                     , alias <- aliases
-                     ]
-
-data Emoji = Emoji String [String]
-  deriving Show
-
-instance FromJSON Emoji where
-    parseJSON = withObject "Emoji" $ \v -> Emoji
-        <$> v .: "emoji"
-        <*> v .: "aliases"

stack.yaml

@@ -19,6 +19,7 @@ extra-deps:
 - skylighting-core-0.8.3
 - regex-pcre-builtin-0.95.0.8.8.35
 - doclayout-0.2.0.1
+- emojis-0.1
 - HsYAML-0.2.0.0
 - HsYAML-aeson-0.2.0.0
 - doctemplates-0.8