49 lines
1.5 KiB
Haskell
49 lines
1.5 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
|
|
|
|
module Gitea.Preview.Markdown.Meta (renderMeta, renderMeta') where
|
|
|
|
import Data.List (singleton)
|
|
import Data.Map (toList)
|
|
|
|
import Text.Pandoc.Definition
|
|
|
|
renderMeta' :: Pandoc -> Pandoc
|
|
renderMeta' (Pandoc meta blocks) = Pandoc meta (renderMeta (MetaMap $ unMeta meta) <> blocks)
|
|
|
|
renderMeta :: MetaValue -> [Block]
|
|
renderMeta (MetaMap metaMap) = singleton $ plainTable
|
|
(map (singleton . Plain . singleton . Str . fst))
|
|
(singleton . plainRow . map (renderMeta . snd))
|
|
length
|
|
(toList metaMap)
|
|
renderMeta (MetaList metaValues) = singleton $ plainTable
|
|
(const [])
|
|
(map (plainRow . singleton . renderMeta))
|
|
(const 1)
|
|
metaValues
|
|
renderMeta (MetaBool bool) = [Plain [Str $ if bool then "true" else "false"]]
|
|
renderMeta (MetaString text) = [Plain [Str text]]
|
|
renderMeta (MetaInlines inlines) = [Plain inlines]
|
|
renderMeta (MetaBlocks blocks) = blocks
|
|
|
|
plainTable :: ([a] -> [[Block]]) -> ([a] -> [Row]) -> ([a] -> Int) -> [a] -> Block
|
|
plainTable mkHead mkBody columns xs = Table
|
|
nullAttr
|
|
(Caption Nothing [])
|
|
(replicate (columns xs) (AlignDefault, ColWidthDefault))
|
|
(plainHead $ mkHead xs)
|
|
[plainBody $ mkBody xs]
|
|
(TableFoot nullAttr [])
|
|
|
|
plainCell :: [Block] -> Cell
|
|
plainCell = Cell nullAttr AlignDefault (RowSpan 1) (ColSpan 1)
|
|
|
|
plainRow :: [[Block]] -> Row
|
|
plainRow = Row nullAttr . map plainCell
|
|
|
|
plainHead :: [[Block]] -> TableHead
|
|
plainHead = TableHead nullAttr . singleton . plainRow
|
|
|
|
plainBody :: [Row] -> TableBody
|
|
plainBody = TableBody nullAttr (RowHeadColumns 0) []
|