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Diffstat (limited to 'src/Text/Pandoc/Writers/Man.hs')
-rw-r--r-- | src/Text/Pandoc/Writers/Man.hs | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/src/Text/Pandoc/Writers/Man.hs b/src/Text/Pandoc/Writers/Man.hs deleted file mode 100644 index f33acef32..000000000 --- a/src/Text/Pandoc/Writers/Man.hs +++ /dev/null @@ -1,381 +0,0 @@ -{- -Copyright (C) 2007-2015 John MacFarlane <jgm@berkeley.edu> - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA --} - -{- | - Module : Text.Pandoc.Writers.Man - Copyright : Copyright (C) 2007-2015 John MacFarlane - License : GNU GPL, version 2 or above - - Maintainer : John MacFarlane <jgm@berkeley.edu> - Stability : alpha - Portability : portable - -Conversion of 'Pandoc' documents to groff man page format. - --} -module Text.Pandoc.Writers.Man ( writeMan) where -import Text.Pandoc.Definition -import Text.Pandoc.Templates -import Text.Pandoc.Shared -import Text.Pandoc.Writers.Shared -import Text.Pandoc.Options -import Text.Pandoc.Writers.Math -import Text.Printf ( printf ) -import Data.List ( stripPrefix, intersperse, intercalate ) -import Data.Maybe (fromMaybe) -import Text.Pandoc.Pretty -import Text.Pandoc.Builder (deleteMeta) -import Control.Monad.State -import Text.Pandoc.Error -import Control.Monad.Except (throwError) -import Text.Pandoc.Class (PandocMonad, report) -import Text.Pandoc.Logging - -type Notes = [[Block]] -data WriterState = WriterState { stNotes :: Notes - , stHasTables :: Bool } - --- | Convert Pandoc to Man. -writeMan :: PandocMonad m => WriterOptions -> Pandoc -> m String -writeMan opts document = evalStateT (pandocToMan opts document) (WriterState [] False) - --- | Return groff man representation of document. -pandocToMan :: PandocMonad m => WriterOptions -> Pandoc -> StateT WriterState m String -pandocToMan opts (Pandoc meta blocks) = do - let colwidth = if writerWrapText opts == WrapAuto - then Just $ writerColumns opts - else Nothing - let render' = render colwidth - titleText <- inlineListToMan opts $ docTitle meta - let title' = render' titleText - let setFieldsFromTitle = - case break (== ' ') title' of - (cmdName, rest) -> case break (=='(') cmdName of - (xs, '(':ys) | not (null ys) && - last ys == ')' -> - defField "title" xs . - defField "section" (init ys) . - case splitBy (=='|') rest of - (ft:hds) -> - defField "footer" (trim ft) . - defField "header" - (trim $ concat hds) - [] -> id - _ -> defField "title" title' - metadata <- metaToJSON opts - (fmap (render colwidth) . blockListToMan opts) - (fmap (render colwidth) . inlineListToMan opts) - $ deleteMeta "title" meta - body <- blockListToMan opts blocks - notes <- liftM stNotes get - notes' <- notesToMan opts (reverse notes) - let main = render' $ body $$ notes' $$ text "" - hasTables <- liftM stHasTables get - let context = defField "body" main - $ setFieldsFromTitle - $ defField "has-tables" hasTables - $ defField "hyphenate" True - $ defField "pandoc-version" pandocVersion - $ metadata - case writerTemplate opts of - Nothing -> return main - Just tpl -> return $ renderTemplate' tpl context - --- | Return man representation of notes. -notesToMan :: PandocMonad m => WriterOptions -> [[Block]] -> StateT WriterState m Doc -notesToMan opts notes = - if null notes - then return empty - else mapM (\(num, note) -> noteToMan opts num note) (zip [1..] notes) >>= - return . (text ".SH NOTES" $$) . vcat - --- | Return man representation of a note. -noteToMan :: PandocMonad m => WriterOptions -> Int -> [Block] -> StateT WriterState m Doc -noteToMan opts num note = do - contents <- blockListToMan opts note - let marker = cr <> text ".SS " <> brackets (text (show num)) - return $ marker $$ contents - --- | Association list of characters to escape. -manEscapes :: [(Char, String)] -manEscapes = [ ('\160', "\\ ") - , ('\'', "\\[aq]") - , ('’', "'") - , ('\x2014', "\\[em]") - , ('\x2013', "\\[en]") - , ('\x2026', "\\&...") - ] ++ backslashEscapes "-@\\" - --- | Escape special characters for Man. -escapeString :: String -> String -escapeString = escapeStringUsing manEscapes - --- | Escape a literal (code) section for Man. -escapeCode :: String -> String -escapeCode = concat . intersperse "\n" . map escapeLine . lines where - escapeLine codeline = - case escapeStringUsing (manEscapes ++ backslashEscapes "\t ") codeline of - a@('.':_) -> "\\&" ++ a - b -> b - --- We split inline lists into sentences, and print one sentence per --- line. groff/troff treats the line-ending period differently. --- See http://code.google.com/p/pandoc/issues/detail?id=148. - --- | Returns the first sentence in a list of inlines, and the rest. -breakSentence :: [Inline] -> ([Inline], [Inline]) -breakSentence [] = ([],[]) -breakSentence xs = - let isSentenceEndInline (Str ys@(_:_)) | last ys == '.' = True - isSentenceEndInline (Str ys@(_:_)) | last ys == '?' = True - isSentenceEndInline (LineBreak) = True - isSentenceEndInline _ = False - (as, bs) = break isSentenceEndInline xs - in case bs of - [] -> (as, []) - [c] -> (as ++ [c], []) - (c:Space:cs) -> (as ++ [c], cs) - (c:SoftBreak:cs) -> (as ++ [c], cs) - (Str ".":Str (')':ys):cs) -> (as ++ [Str ".", Str (')':ys)], cs) - (x@(Str ('.':')':_)):cs) -> (as ++ [x], cs) - (LineBreak:x@(Str ('.':_)):cs) -> (as ++[LineBreak], x:cs) - (c:cs) -> (as ++ [c] ++ ds, es) - where (ds, es) = breakSentence cs - --- | Split a list of inlines into sentences. -splitSentences :: [Inline] -> [[Inline]] -splitSentences xs = - let (sent, rest) = breakSentence xs - in if null rest then [sent] else sent : splitSentences rest - --- | Convert Pandoc block element to man. -blockToMan :: PandocMonad m - => WriterOptions -- ^ Options - -> Block -- ^ Block element - -> StateT WriterState m Doc -blockToMan _ Null = return empty -blockToMan opts (Div _ bs) = blockListToMan opts bs -blockToMan opts (Plain inlines) = - liftM vcat $ mapM (inlineListToMan opts) $ splitSentences inlines -blockToMan opts (Para inlines) = do - contents <- liftM vcat $ mapM (inlineListToMan opts) $ - splitSentences inlines - return $ text ".PP" $$ contents -blockToMan opts (LineBlock lns) = - blockToMan opts $ linesToPara lns -blockToMan _ b@(RawBlock f str) - | f == Format "man" = return $ text str - | otherwise = do - report $ BlockNotRendered b - return empty -blockToMan _ HorizontalRule = return $ text ".PP" $$ text " * * * * *" -blockToMan opts (Header level _ inlines) = do - contents <- inlineListToMan opts inlines - let heading = case level of - 1 -> ".SH " - _ -> ".SS " - return $ text heading <> contents -blockToMan _ (CodeBlock _ str) = return $ - text ".IP" $$ - text ".nf" $$ - text "\\f[C]" $$ - text (escapeCode str) $$ - text "\\f[]" $$ - text ".fi" -blockToMan opts (BlockQuote blocks) = do - contents <- blockListToMan opts blocks - return $ text ".RS" $$ contents $$ text ".RE" -blockToMan opts (Table caption alignments widths headers rows) = - let aligncode AlignLeft = "l" - aligncode AlignRight = "r" - aligncode AlignCenter = "c" - aligncode AlignDefault = "l" - in do - caption' <- inlineListToMan opts caption - modify $ \st -> st{ stHasTables = True } - let iwidths = if all (== 0) widths - then repeat "" - else map (printf "w(%0.1fn)" . (70 *)) widths - -- 78n default width - 8n indent = 70n - let coldescriptions = text $ intercalate " " - (zipWith (\align width -> aligncode align ++ width) - alignments iwidths) ++ "." - colheadings <- mapM (blockListToMan opts) headers - let makeRow cols = text "T{" $$ - (vcat $ intersperse (text "T}@T{") cols) $$ - text "T}" - let colheadings' = if all null headers - then empty - else makeRow colheadings $$ char '_' - body <- mapM (\row -> do - cols <- mapM (blockListToMan opts) row - return $ makeRow cols) rows - return $ text ".PP" $$ caption' $$ - text ".TS" $$ text "tab(@);" $$ coldescriptions $$ - colheadings' $$ vcat body $$ text ".TE" - -blockToMan opts (BulletList items) = do - contents <- mapM (bulletListItemToMan opts) items - return (vcat contents) -blockToMan opts (OrderedList attribs items) = do - let markers = take (length items) $ orderedListMarkers attribs - let indent = 1 + (maximum $ map length markers) - contents <- mapM (\(num, item) -> orderedListItemToMan opts num indent item) $ - zip markers items - return (vcat contents) -blockToMan opts (DefinitionList items) = do - contents <- mapM (definitionListItemToMan opts) items - return (vcat contents) - --- | Convert bullet list item (list of blocks) to man. -bulletListItemToMan :: PandocMonad m => WriterOptions -> [Block] -> StateT WriterState m Doc -bulletListItemToMan _ [] = return empty -bulletListItemToMan opts ((Para first):rest) = - bulletListItemToMan opts ((Plain first):rest) -bulletListItemToMan opts ((Plain first):rest) = do - first' <- blockToMan opts (Plain first) - rest' <- blockListToMan opts rest - let first'' = text ".IP \\[bu] 2" $$ first' - let rest'' = if null rest - then empty - else text ".RS 2" $$ rest' $$ text ".RE" - return (first'' $$ rest'') -bulletListItemToMan opts (first:rest) = do - first' <- blockToMan opts first - rest' <- blockListToMan opts rest - return $ text "\\[bu] .RS 2" $$ first' $$ rest' $$ text ".RE" - --- | Convert ordered list item (a list of blocks) to man. -orderedListItemToMan :: PandocMonad m - => WriterOptions -- ^ options - -> String -- ^ order marker for list item - -> Int -- ^ number of spaces to indent - -> [Block] -- ^ list item (list of blocks) - -> StateT WriterState m Doc -orderedListItemToMan _ _ _ [] = return empty -orderedListItemToMan opts num indent ((Para first):rest) = - orderedListItemToMan opts num indent ((Plain first):rest) -orderedListItemToMan opts num indent (first:rest) = do - first' <- blockToMan opts first - rest' <- blockListToMan opts rest - let num' = printf ("%" ++ show (indent - 1) ++ "s") num - let first'' = text (".IP \"" ++ num' ++ "\" " ++ show indent) $$ first' - let rest'' = if null rest - then empty - else text ".RS 4" $$ rest' $$ text ".RE" - return $ first'' $$ rest'' - --- | Convert definition list item (label, list of blocks) to man. -definitionListItemToMan :: PandocMonad m - => WriterOptions - -> ([Inline],[[Block]]) - -> StateT WriterState m Doc -definitionListItemToMan opts (label, defs) = do - labelText <- inlineListToMan opts label - contents <- if null defs - then return empty - else liftM vcat $ forM defs $ \blocks -> do - (first, rest) <- case blocks of - ((Para x):y) -> return (Plain x,y) - (x:y) -> return (x,y) - [] -> throwError $ PandocSomeError "blocks is null" - rest' <- liftM vcat $ - mapM (\item -> blockToMan opts item) rest - first' <- blockToMan opts first - return $ first' $$ text ".RS" $$ rest' $$ text ".RE" - return $ text ".TP" $$ nowrap (text ".B " <> labelText) $$ contents - --- | Convert list of Pandoc block elements to man. -blockListToMan :: PandocMonad m - => WriterOptions -- ^ Options - -> [Block] -- ^ List of block elements - -> StateT WriterState m Doc -blockListToMan opts blocks = - mapM (blockToMan opts) blocks >>= (return . vcat) - --- | Convert list of Pandoc inline elements to man. -inlineListToMan :: PandocMonad m => WriterOptions -> [Inline] -> StateT WriterState m Doc -inlineListToMan opts lst = mapM (inlineToMan opts) lst >>= (return . hcat) - --- | Convert Pandoc inline element to man. -inlineToMan :: PandocMonad m => WriterOptions -> Inline -> StateT WriterState m Doc -inlineToMan opts (Span _ ils) = inlineListToMan opts ils -inlineToMan opts (Emph lst) = do - contents <- inlineListToMan opts lst - return $ text "\\f[I]" <> contents <> text "\\f[]" -inlineToMan opts (Strong lst) = do - contents <- inlineListToMan opts lst - return $ text "\\f[B]" <> contents <> text "\\f[]" -inlineToMan opts (Strikeout lst) = do - contents <- inlineListToMan opts lst - return $ text "[STRIKEOUT:" <> contents <> char ']' -inlineToMan opts (Superscript lst) = do - contents <- inlineListToMan opts lst - return $ char '^' <> contents <> char '^' -inlineToMan opts (Subscript lst) = do - contents <- inlineListToMan opts lst - return $ char '~' <> contents <> char '~' -inlineToMan opts (SmallCaps lst) = inlineListToMan opts lst -- not supported -inlineToMan opts (Quoted SingleQuote lst) = do - contents <- inlineListToMan opts lst - return $ char '`' <> contents <> char '\'' -inlineToMan opts (Quoted DoubleQuote lst) = do - contents <- inlineListToMan opts lst - return $ text "\\[lq]" <> contents <> text "\\[rq]" -inlineToMan opts (Cite _ lst) = - inlineListToMan opts lst -inlineToMan _ (Code _ str) = - return $ text $ "\\f[C]" ++ escapeCode str ++ "\\f[]" -inlineToMan _ (Str str@('.':_)) = - return $ afterBreak "\\&" <> text (escapeString str) -inlineToMan _ (Str str) = return $ text $ escapeString str -inlineToMan opts (Math InlineMath str) = - lift (texMathToInlines InlineMath str) >>= inlineListToMan opts -inlineToMan opts (Math DisplayMath str) = do - contents <- lift (texMathToInlines DisplayMath str) >>= inlineListToMan opts - return $ cr <> text ".RS" $$ contents $$ text ".RE" -inlineToMan _ il@(RawInline f str) - | f == Format "man" = return $ text str - | otherwise = do - report $ InlineNotRendered il - return empty -inlineToMan _ LineBreak = return $ - cr <> text ".PD 0" $$ text ".P" $$ text ".PD" <> cr -inlineToMan _ SoftBreak = return space -inlineToMan _ Space = return space -inlineToMan opts (Link _ txt (src, _)) = do - linktext <- inlineListToMan opts txt - let srcSuffix = fromMaybe src (stripPrefix "mailto:" src) - return $ case txt of - [Str s] - | escapeURI s == srcSuffix -> - char '<' <> text srcSuffix <> char '>' - _ -> linktext <> text " (" <> text src <> char ')' -inlineToMan opts (Image attr alternate (source, tit)) = do - let txt = if (null alternate) || (alternate == [Str ""]) || - (alternate == [Str source]) -- to prevent autolinks - then [Str "image"] - else alternate - linkPart <- inlineToMan opts (Link attr txt (source, tit)) - return $ char '[' <> text "IMAGE: " <> linkPart <> char ']' -inlineToMan _ (Note contents) = do - -- add to notes in state - modify $ \st -> st{ stNotes = contents : stNotes st } - notes <- liftM stNotes get - let ref = show $ (length notes) - return $ char '[' <> text ref <> char ']' |