diff options
Diffstat (limited to 'src/Text/Pandoc/Writers/LaTeX.hs')
| -rw-r--r-- | src/Text/Pandoc/Writers/LaTeX.hs | 87 |
1 files changed, 51 insertions, 36 deletions
diff --git a/src/Text/Pandoc/Writers/LaTeX.hs b/src/Text/Pandoc/Writers/LaTeX.hs index 9e987406a..ac2b5d758 100644 --- a/src/Text/Pandoc/Writers/LaTeX.hs +++ b/src/Text/Pandoc/Writers/LaTeX.hs @@ -39,6 +39,7 @@ import Text.Pandoc.Shared import Text.Pandoc.Writers.Shared import Text.Pandoc.Options import Text.Pandoc.Templates +import Text.Pandoc.Logging import Text.Printf ( printf ) import Network.URI ( isURI, unEscapeString ) import Data.Aeson (object, (.=), FromJSON) @@ -57,7 +58,7 @@ import Text.Pandoc.Slides import Text.Pandoc.Highlighting (highlight, styleToLaTeX, formatLaTeXInline, formatLaTeXBlock, toListingsLanguage) -import Text.Pandoc.Class (PandocMonad) +import Text.Pandoc.Class (PandocMonad, report) data WriterState = WriterState { stInNote :: Bool -- true if we're in a note @@ -110,17 +111,20 @@ startingState options = WriterState { -- | Convert Pandoc to LaTeX. writeLaTeX :: PandocMonad m => WriterOptions -> Pandoc -> m String -writeLaTeX options document = return $ - evalState (pandocToLaTeX options document) $ +writeLaTeX options document = + evalStateT (pandocToLaTeX options document) $ startingState options -- | Convert Pandoc to LaTeX Beamer. writeBeamer :: PandocMonad m => WriterOptions -> Pandoc -> m String -writeBeamer options document = return $ - evalState (pandocToLaTeX options document) $ +writeBeamer options document = + evalStateT (pandocToLaTeX options document) $ (startingState options){ stBeamer = True } -pandocToLaTeX :: WriterOptions -> Pandoc -> State WriterState String +type LW m = StateT WriterState m + +pandocToLaTeX :: PandocMonad m + => WriterOptions -> Pandoc -> LW m String pandocToLaTeX options (Pandoc meta blocks) = do -- Strip off final 'references' header if --natbib or --biblatex let method = writerCiteMethod options @@ -279,7 +283,7 @@ pandocToLaTeX options (Pandoc meta blocks) = do Just tpl -> renderTemplate' tpl context' -- | Convert Elements to LaTeX -elementToLaTeX :: WriterOptions -> Element -> State WriterState Doc +elementToLaTeX :: PandocMonad m => WriterOptions -> Element -> LW m Doc elementToLaTeX _ (Blk block) = blockToLaTeX block elementToLaTeX opts (Sec level _ (id',classes,_) title' elements) = do modify $ \s -> s{stInHeading = True} @@ -294,7 +298,7 @@ data StringContext = TextString deriving (Eq) -- escape things as needed for LaTeX -stringToLaTeX :: StringContext -> String -> State WriterState String +stringToLaTeX :: PandocMonad m => StringContext -> String -> LW m String stringToLaTeX _ [] = return "" stringToLaTeX ctx (x:xs) = do opts <- gets stOptions @@ -339,7 +343,7 @@ stringToLaTeX ctx (x:xs) = do '\x2013' | ligatures -> "--" ++ rest _ -> x : rest -toLabel :: String -> State WriterState String +toLabel :: PandocMonad m => String -> LW m String toLabel z = go `fmap` stringToLaTeX URLString z where go [] = "" go (x:xs) @@ -351,14 +355,14 @@ toLabel z = go `fmap` stringToLaTeX URLString z inCmd :: String -> Doc -> Doc inCmd cmd contents = char '\\' <> text cmd <> braces contents -toSlides :: [Block] -> State WriterState [Block] +toSlides :: PandocMonad m => [Block] -> LW m [Block] toSlides bs = do opts <- gets stOptions let slideLevel = fromMaybe (getSlideLevel bs) $ writerSlideLevel opts let bs' = prepSlides slideLevel bs concat `fmap` (mapM (elementToBeamer slideLevel) $ hierarchicalize bs') -elementToBeamer :: Int -> Element -> State WriterState [Block] +elementToBeamer :: PandocMonad m => Int -> Element -> LW m [Block] elementToBeamer _slideLevel (Blk b) = return [b] elementToBeamer slideLevel (Sec lvl _num (ident,classes,kvs) tit elts) | lvl > slideLevel = do @@ -408,8 +412,9 @@ isLineBreakOrSpace Space = True isLineBreakOrSpace _ = False -- | Convert Pandoc block element to LaTeX. -blockToLaTeX :: Block -- ^ Block to convert - -> State WriterState Doc +blockToLaTeX :: PandocMonad m + => Block -- ^ Block to convert + -> LW m Doc blockToLaTeX Null = return empty blockToLaTeX (Div (identifier,classes,kvs) bs) = do beamer <- gets stBeamer @@ -541,10 +546,12 @@ blockToLaTeX (CodeBlock (identifier,classes,keyvalAttr) str) = do | not (null classes) && isJust (writerHighlightStyle opts) -> highlightedCodeBlock | otherwise -> rawCodeBlock -blockToLaTeX (RawBlock f x) +blockToLaTeX b@(RawBlock f x) | f == Format "latex" || f == Format "tex" = return $ text x - | otherwise = return empty + | otherwise = do + report $ BlockNotRendered b + return empty blockToLaTeX (BulletList []) = return empty -- otherwise latex error blockToLaTeX (BulletList lst) = do incremental <- gets stIncremental @@ -652,14 +659,15 @@ toColDescriptor align = AlignCenter -> "c" AlignDefault -> "l" -blockListToLaTeX :: [Block] -> State WriterState Doc +blockListToLaTeX :: PandocMonad m => [Block] -> LW m Doc blockListToLaTeX lst = vsep `fmap` mapM blockToLaTeX lst -tableRowToLaTeX :: Bool +tableRowToLaTeX :: PandocMonad m + => Bool -> [Alignment] -> [Double] -> [[Block]] - -> State WriterState Doc + -> LW m Doc tableRowToLaTeX header aligns widths cols = do -- scale factor compensates for extra space between columns -- so the whole table isn't larger than columnwidth @@ -700,8 +708,8 @@ displayMathToInline :: Inline -> Inline displayMathToInline (Math DisplayMath x) = Math InlineMath x displayMathToInline x = x -tableCellToLaTeX :: Bool -> (Double, Alignment, [Block]) - -> State WriterState Doc +tableCellToLaTeX :: PandocMonad m => Bool -> (Double, Alignment, [Block]) + -> LW m Doc tableCellToLaTeX _ (0, _, blocks) = blockListToLaTeX $ walk fixLineBreaks $ walk displayMathToInline blocks tableCellToLaTeX header (width, align, blocks) = do @@ -734,7 +742,7 @@ notesToLaTeX ns = (case length ns of $ map (\x -> "\\footnotetext" <> braces x) $ reverse ns) -listItemToLaTeX :: [Block] -> State WriterState Doc +listItemToLaTeX :: PandocMonad m => [Block] -> LW m Doc listItemToLaTeX lst -- we need to put some text before a header if it's the first -- element in an item. This will look ugly in LaTeX regardless, but @@ -744,7 +752,7 @@ listItemToLaTeX lst | otherwise = blockListToLaTeX lst >>= return . (text "\\item" $$) . (nest 2) -defListItemToLaTeX :: ([Inline], [[Block]]) -> State WriterState Doc +defListItemToLaTeX :: PandocMonad m => ([Inline], [[Block]]) -> LW m Doc defListItemToLaTeX (term, defs) = do term' <- inlineListToLaTeX term -- put braces around term if it contains an internal link, @@ -762,11 +770,12 @@ defListItemToLaTeX (term, defs) = do "\\item" <> brackets term'' $$ def' -- | Craft the section header, inserting the secton reference, if supplied. -sectionHeader :: Bool -- True for unnumbered +sectionHeader :: PandocMonad m + => Bool -- True for unnumbered -> [Char] -> Int -> [Inline] - -> State WriterState Doc + -> LW m Doc sectionHeader unnumbered ident level lst = do txt <- inlineListToLaTeX lst plain <- stringToLaTeX TextString $ concatMap stringify lst @@ -831,7 +840,7 @@ sectionHeader unnumbered ident level lst = do braces txtNoNotes else empty -hypertarget :: String -> Doc -> State WriterState Doc +hypertarget :: PandocMonad m => String -> Doc -> LW m Doc hypertarget ident x = do ref <- text `fmap` toLabel ident internalLinks <- gets stInternalLinks @@ -842,15 +851,16 @@ hypertarget ident x = do <> braces x else x -labelFor :: String -> State WriterState Doc +labelFor :: PandocMonad m => String -> LW m Doc labelFor "" = return empty labelFor ident = do ref <- text `fmap` toLabel ident return $ text "\\label" <> braces ref -- | Convert list of inline elements to LaTeX. -inlineListToLaTeX :: [Inline] -- ^ Inlines to convert - -> State WriterState Doc +inlineListToLaTeX :: PandocMonad m + => [Inline] -- ^ Inlines to convert + -> LW m Doc inlineListToLaTeX lst = mapM inlineToLaTeX (fixBreaks $ fixLineInitialSpaces lst) >>= return . hcat @@ -878,8 +888,9 @@ isQuoted (Quoted _ _) = True isQuoted _ = False -- | Convert inline element to LaTeX -inlineToLaTeX :: Inline -- ^ Inline to convert - -> State WriterState Doc +inlineToLaTeX :: PandocMonad m + => Inline -- ^ Inline to convert + -> LW m Doc inlineToLaTeX (Span (id',classes,kvs) ils) = do ref <- toLabel id' let linkAnchor = if null id' @@ -980,10 +991,12 @@ inlineToLaTeX (Math InlineMath str) = return $ "\\(" <> text str <> "\\)" inlineToLaTeX (Math DisplayMath str) = return $ "\\[" <> text str <> "\\]" -inlineToLaTeX (RawInline f str) +inlineToLaTeX il@(RawInline f str) | f == Format "latex" || f == Format "tex" = return $ text str - | otherwise = return empty + | otherwise = do + report $ InlineNotRendered il + return empty inlineToLaTeX (LineBreak) = return $ "\\\\" <> cr inlineToLaTeX SoftBreak = do wrapText <- gets (writerWrapText . stOptions) @@ -1066,7 +1079,7 @@ protectCode (x@(Code _ _) : xs) = ltx "\\mbox{" : x : ltx "}" : xs where ltx = RawInline (Format "latex") protectCode (x : xs) = x : protectCode xs -citationsToNatbib :: [Citation] -> State WriterState Doc +citationsToNatbib :: PandocMonad m => [Citation] -> LW m Doc citationsToNatbib (one:[]) = citeCommand c p s k where @@ -1113,12 +1126,14 @@ citationsToNatbib cits = do SuppressAuthor -> citeCommand "citeyear" p s k NormalCitation -> citeCommand "citealp" p s k -citeCommand :: String -> [Inline] -> [Inline] -> String -> State WriterState Doc +citeCommand :: PandocMonad m + => String -> [Inline] -> [Inline] -> String -> LW m Doc citeCommand c p s k = do args <- citeArguments p s k return $ text ("\\" ++ c) <> args -citeArguments :: [Inline] -> [Inline] -> String -> State WriterState Doc +citeArguments :: PandocMonad m + => [Inline] -> [Inline] -> String -> LW m Doc citeArguments p s k = do let s' = case s of (Str (x:[]) : r) | isPunctuation x -> dropWhile (== Space) r @@ -1132,7 +1147,7 @@ citeArguments p s k = do (_ , _ ) -> brackets pdoc <> brackets sdoc return $ optargs <> braces (text k) -citationsToBiblatex :: [Citation] -> State WriterState Doc +citationsToBiblatex :: PandocMonad m => [Citation] -> LW m Doc citationsToBiblatex (one:[]) = citeCommand cmd p s k where |