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+{- |
+ Module : Text.Pandoc.Writers.LaTeX.Caption
+ Copyright : Copyright (C) 2006-2021 John MacFarlane
+ License : GNU GPL, version 2 or above
+
+ Maintainer : John MacFarlane <jgm@berkeley.edu>
+ Stability : alpha
+ Portability : portable
+
+Write figure or table captions as LaTeX.
+-}
+module Text.Pandoc.Writers.LaTeX.Caption
+ ( getCaption
+ ) where
+
+import Control.Monad.State.Strict
+import Data.Monoid (Any(..))
+import Data.Text (Text)
+import Text.Pandoc.Class.PandocMonad (PandocMonad)
+import Text.Pandoc.Definition
+import Text.DocLayout (Doc, brackets, empty)
+import Text.Pandoc.Shared
+import Text.Pandoc.Walk
+import Text.Pandoc.Writers.LaTeX.Notes (notesToLaTeX)
+import Text.Pandoc.Writers.LaTeX.Types
+ ( LW, WriterState (stExternalNotes, stNotes) )
+
+getCaption :: PandocMonad m
+ => ([Inline] -> LW m (Doc Text))
+ -> Bool -> [Inline]
+ -> LW m (Doc Text, Doc Text, Doc Text)
+getCaption inlineListToLaTeX externalNotes txt = do
+ oldExternalNotes <- gets stExternalNotes
+ modify $ \st -> st{ stExternalNotes = externalNotes, stNotes = [] }
+ capt <- inlineListToLaTeX txt
+ footnotes <- if externalNotes
+ then notesToLaTeX <$> gets stNotes
+ else return empty
+ modify $ \st -> st{ stExternalNotes = oldExternalNotes, stNotes = [] }
+ -- We can't have footnotes in the list of figures/tables, so remove them:
+ let getNote (Note _) = Any True
+ getNote _ = Any False
+ let hasNotes = getAny . query getNote
+ captForLof <- if hasNotes txt
+ then brackets <$> inlineListToLaTeX (walk deNote txt)
+ else return empty
+ return (capt, captForLof, footnotes)