lang/langfilter/lib/Glosses.hs

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module Glosses (glosses) where
import Lang
import LaantasImage
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import Spans (abbrs)
import qualified Spans
import Text.Pandoc.Definition
import Text.Pandoc.Builder
import Text.Pandoc.Walk
import Data.Maybe
import Data.Text (Text)
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import qualified Data.Text as Text
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import Data.Data (toConstr)
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glosses :: Vars => Block -> [Block]
glosses = \case
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Div (i, cs, _) blocks | "glosses" `elem` cs ->
let tables = map glossTable blocks in
[RawBlock (Format "html") $ "<figure" <> id <> classes <> ">"] ++
catMaybes tables ++
[RawBlock (Format "html") "</figure>"]
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where
id = if i == "" then "" else " id=\"" <> i <> "\""
classes = " class=\"" <> Text.unwords cs <> "\""
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b -> [b]
pattern Gloss l g w t = BulletList [[Plain l], [Plain g], [Plain w], [Plain t]]
pattern PGloss l p g w t =
BulletList [[Plain l], [Plain p], [Plain g], [Plain w], [Plain t]]
pattern PNGloss l b n g w t =
BulletList [[Plain l], [Plain b], [Plain n], [Plain g], [Plain w], [Plain t]]
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glossTable :: Vars => Block -> Maybe Block
glossTable = \case
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Gloss l s g t -> Just $ make l Nothing Nothing s g t
PGloss l p s g t -> Just $ make l (Just p) Nothing s g t
PNGloss l b n s g t -> Just $ make l (Just b) (Just n) s g t
HorizontalRule -> Nothing
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BulletList xs | let = length xs, < 4 || > 6 ->
fail $ "found list of length " ++ show ++
" in gloss section (missing `---`?)"
b -> fail $ "found unexpected " ++ show (toConstr b) ++ " in gloss section"
where
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make l b n s g t =
let = length $ splitInlines s
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colspecs = replicate (AlignDefault, ColWidthDefault)
l' = cell1 $ underlines $ noHash l
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b' = cell1 <$> b; n' = cell1 <$> n
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ss = cells s; gs = cells g; t' = cell1 t
img = case ?lang of
Just Lántas -> Just $ cell1 [makeItem $ splitItem' $ stripInlines l]
Nothing -> Nothing
in
Table ("", ["gloss"], []) (Caption Nothing []) colspecs
(TableHead mempty [])
[TableBody mempty (RowHeadColumns 0) [] $ concat
[[row ["gloss-scr", "scr"] [i] | Just i <- [img]],
[row ["gloss-lang", "lang"] [l']],
[row ["gloss-pron", "ipa"] [b] | Just b <- [b']],
[row ["gloss-pron", "ipa"] [n] | Just n <- [n']],
[row ["gloss-split", "lang"] ss],
[row ["gloss-gloss"] gs],
[row ["gloss-trans"] [t']]]]
(TableFoot mempty [])
cell is = Cell mempty AlignDefault (RowSpan 1) (ColSpan 1) [Plain is]
cell1 is = Cell mempty AlignDefault (RowSpan 1) (ColSpan ) [Plain is]
cells = map (cell . concatMap abbrs) . splitInlines
row c = Row ("", c, [])
stripInlines :: [Inline] -> Text
stripInlines = query \case
Str s -> s
Space -> " "
SoftBreak -> " "
LineBreak -> " "
_ -> ""
splitInlines :: [Inline] -> [Inlines]
splitInlines is = filter (not . null) $ go is where
go [] = []
go is =
let (is1, is') = break (== Space) is in
fromList is1 : splitInlines (dropWhile (== Space) is')
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underlines :: [Inline] -> [Inline]
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underlines = concatMap underlineStr . takeWhile (/= Str "|") where
underlineStr = \case
Str txt -> Spans.underlines txt
i -> [i]
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noHash :: [Inline] -> [Inline]
noHash = walk \case
Str str -> Str $ Text.filter (/= '#') str
i -> i