diff options
Diffstat (limited to 'src/Text/Pandoc/Writers/Shared.hs')
| -rw-r--r-- | src/Text/Pandoc/Writers/Shared.hs | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/Text/Pandoc/Writers/Shared.hs b/src/Text/Pandoc/Writers/Shared.hs index b399afbf3..0b7c6bee0 100644 --- a/src/Text/Pandoc/Writers/Shared.hs +++ b/src/Text/Pandoc/Writers/Shared.hs @@ -3,7 +3,7 @@ {-# LANGUAGE OverloadedStrings #-} {- | Module : Text.Pandoc.Writers.Shared - Copyright : Copyright (C) 2013-2020 John MacFarlane + Copyright : Copyright (C) 2013-2021 John MacFarlane License : GNU GPL, version 2 or above Maintainer : John MacFarlane <jgm@berkeley.edu> @@ -20,6 +20,7 @@ module Text.Pandoc.Writers.Shared ( , setField , resetField , defField + , getLang , tagWithAttrs , isDisplayMath , fixDisplayMath @@ -44,6 +45,7 @@ import Control.Monad (zipWithM) import Data.Aeson (ToJSON (..), encode) import Data.Char (chr, ord, isSpace) import Data.List (groupBy, intersperse, transpose, foldl') +import Data.List.NonEmpty (NonEmpty(..), nonEmpty) import Data.Text.Conversions (FromText(..)) import qualified Data.Map as M import qualified Data.Text as T @@ -109,8 +111,7 @@ metaValueToVal blockWriter inlineWriter (MetaMap metamap) = MapVal . Context <$> mapM (metaValueToVal blockWriter inlineWriter) metamap metaValueToVal blockWriter inlineWriter (MetaList xs) = ListVal <$> mapM (metaValueToVal blockWriter inlineWriter) xs -metaValueToVal _ _ (MetaBool True) = return $ SimpleVal "true" -metaValueToVal _ _ (MetaBool False) = return NullVal +metaValueToVal _ _ (MetaBool b) = return $ BoolVal b metaValueToVal _ inlineWriter (MetaString s) = SimpleVal <$> inlineWriter (Builder.toList (Builder.text s)) metaValueToVal blockWriter _ (MetaBlocks bs) = SimpleVal <$> blockWriter bs @@ -147,6 +148,19 @@ defField field val (Context m) = where f _newval oldval = oldval +-- | Get the contents of the `lang` metadata field or variable. +getLang :: WriterOptions -> Meta -> Maybe T.Text +getLang opts meta = + case lookupContext "lang" (writerVariables opts) of + Just s -> Just s + _ -> + case lookupMeta "lang" meta of + Just (MetaBlocks [Para [Str s]]) -> Just s + Just (MetaBlocks [Plain [Str s]]) -> Just s + Just (MetaInlines [Str s]) -> Just s + Just (MetaString s) -> Just s + _ -> Nothing + -- | Produce an HTML tag with the given pandoc attributes. tagWithAttrs :: HasChars a => T.Text -> Attr -> Doc a tagWithAttrs tag (ident,classes,kvs) = hsep @@ -225,7 +239,7 @@ gridTable :: (Monad m, HasChars a) -> m (Doc a) gridTable opts blocksToDoc headless aligns widths headers rows = do -- the number of columns will be used in case of even widths - let numcols = maximum (length aligns : length widths : + let numcols = maximum (length aligns :| length widths : map length (headers:rows)) let officialWidthsInChars widths' = map ( (\x -> if x < 1 then 1 else x) . @@ -254,8 +268,7 @@ gridTable opts blocksToDoc headless aligns widths headers rows = do let handleFullWidths widths' = do rawHeaders' <- mapM (blocksToDoc opts) headers rawRows' <- mapM (mapM (blocksToDoc opts)) rows - let numChars [] = 0 - numChars xs = maximum . map offset $ xs + let numChars = maybe 0 maximum . nonEmpty . map offset let minWidthsInChars = map numChars $ transpose (rawHeaders' : rawRows') let widthsInChars' = zipWith max @@ -381,6 +394,7 @@ toSuperscript '2' = Just '\x00B2' toSuperscript '3' = Just '\x00B3' toSuperscript '+' = Just '\x207A' toSuperscript '-' = Just '\x207B' +toSuperscript '\x2212' = Just '\x207B' -- unicode minus toSuperscript '=' = Just '\x207C' toSuperscript '(' = Just '\x207D' toSuperscript ')' = Just '\x207E' |