diff options
Diffstat (limited to 'src/Text/Pandoc/Readers/LaTeX/Parsing.hs')
| -rw-r--r-- | src/Text/Pandoc/Readers/LaTeX/Parsing.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Readers/LaTeX/Parsing.hs b/src/Text/Pandoc/Readers/LaTeX/Parsing.hs index 7366d7b2d..9eb4a0cbc 100644 --- a/src/Text/Pandoc/Readers/LaTeX/Parsing.hs +++ b/src/Text/Pandoc/Readers/LaTeX/Parsing.hs @@ -90,6 +90,7 @@ module Text.Pandoc.Readers.LaTeX.Parsing , resetCaption , env , addMeta + , removeLabel ) where import Control.Applicative (many, (<|>)) @@ -119,6 +120,7 @@ import Text.Pandoc.Readers.LaTeX.Types (ExpansionPoint (..), Macro (..), ArgSpec (..), Tok (..), TokType (..)) import Text.Pandoc.Shared import Text.Parsec.Pos +import Text.Pandoc.Walk newtype DottedNum = DottedNum [Int] deriving (Show, Eq) @@ -1067,3 +1069,16 @@ tokWith inlineParser = try $ spaces >> addMeta :: PandocMonad m => ToMetaValue a => Text -> a -> LP m () addMeta field val = updateState $ \st -> st{ sMeta = addMetaField field val $ sMeta st } + +-- remove label spans to avoid duplicated identifier +removeLabel :: Walkable [Inline] a => Text -> a -> a +removeLabel lbl = walk go + where + go (Span (_,_,kvs) _ : rest) + | Just lbl' <- lookup "label" kvs + , lbl' == lbl = go (dropWhile isSpaceOrSoftBreak rest) + go (x:xs) = x : go xs + go [] = [] + isSpaceOrSoftBreak Space = True + isSpaceOrSoftBreak SoftBreak = True + isSpaceOrSoftBreak _ = False |