77 lines
2.5 KiB
Haskell
77 lines
2.5 KiB
Haskell
module Glosses (glosses) where
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import Lang
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import LaantasImage
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import Spans
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import Text.Pandoc.Definition
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import Text.Pandoc.Builder
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import Text.Pandoc.Walk
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import Data.Maybe
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import Data.Text (Text)
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import qualified Data.Text as Text
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glosses :: Vars => Block -> IO [Block]
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glosses = \case
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Div (i, cs, _) blocks | "glosses" `elem` cs -> do
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tables <- traverse glossTable blocks
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pure $
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[RawBlock (Format "html") $ "<figure" <> id <> classes <> ">"] ++
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catMaybes tables ++
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[RawBlock (Format "html") "</figure>"]
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where
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id = if i == "" then "" else " id=\"" <> i <> "\""
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classes = " class=\"" <> Text.unwords cs <> "\""
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b -> pure [b]
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pattern Gloss l g w t = BulletList [[Plain l], [Plain g], [Plain w], [Plain t]]
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pattern PGloss l p g w t =
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BulletList [[Plain l], [Plain p], [Plain g], [Plain w], [Plain t]]
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glossTable :: Vars => Block -> IO (Maybe Block)
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glossTable = \case
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Gloss l s g t -> Just <$> make l Nothing s g t
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PGloss l p s g t -> Just <$> make l (Just p) s g t
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HorizontalRule -> pure Nothing
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b -> error $ "found " ++ show b ++ " in gloss section"
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where
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make l p s g t = do
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let n = length $ splitInlines s
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let colspecs = replicate n (AlignDefault, ColWidthDefault)
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let l' = cell1 n l; p' = cell1 n <$> p
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let ss = cells s; gs = cells g; t' = cell1 n t
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img <- case ?lang of
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Just Lántas ->
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[Just $ cell1 n [img] | img <- makeImage $ splitImage' $ stripInlines l]
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Nothing -> pure Nothing
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pure $ Table ("", ["gloss"], []) (Caption Nothing []) colspecs
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(TableHead mempty [])
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[TableBody mempty (RowHeadColumns 0) [] $ concat
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[[row ["gloss-scr", "scr"] [i] | Just i <- [img]],
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[row ["gloss-lang", "lang"] [l']],
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[row ["gloss-pron", "ipa"] [p] | Just p <- [p']],
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[row ["gloss-split", "lang"] ss],
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[row ["gloss-gloss"] gs],
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[row ["gloss-trans"] [t']]]]
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(TableFoot mempty [])
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cell is = Cell mempty AlignDefault (RowSpan 1) (ColSpan 1) [Plain is]
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cell1 n is = Cell mempty AlignDefault (RowSpan 1) (ColSpan n) [Plain is]
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cells = map (cell . concatMap abbrs) . splitInlines
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row c = Row ("", c, [])
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stripInlines :: [Inline] -> Text
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stripInlines = query \case
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Str s -> s
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Space -> " "
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SoftBreak -> " "
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LineBreak -> " "
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_ -> ""
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splitInlines :: [Inline] -> [Inlines]
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splitInlines is = filter (not . null) $ go is where
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go [] = []
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go is =
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let (is1, is') = break (== Space) is in
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fromList is1 : splitInlines (dropWhile (== Space) is')
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