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|
{-# LANGUAGE OverloadedStrings #-}
{-
Copyright (C) 2006-2010 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.LaTeX
Copyright : Copyright (C) 2006-2010 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Conversion of 'Pandoc' format into LaTeX.
-}
module Text.Pandoc.Writers.LaTeX ( writeLaTeX ) where
import Text.Pandoc.Definition
import Text.Pandoc.Generic
import Text.Pandoc.Shared
import Text.Pandoc.Templates
import Text.Printf ( printf )
import Network.URI ( isAbsoluteURI, unEscapeString )
import Data.List ( (\\), isSuffixOf, isInfixOf,
isPrefixOf, intercalate, intersperse )
import Data.Char ( toLower, isPunctuation )
import Control.Monad.State
import Text.Pandoc.Pretty
import System.FilePath (dropExtension)
import Text.Pandoc.Slides
import Text.Pandoc.Highlighting (highlight, styleToLaTeX,
formatLaTeXInline, formatLaTeXBlock)
data WriterState =
WriterState { stInNote :: Bool -- true if we're in a note
, stInTable :: Bool -- true if we're in a table
, stTableNotes :: [(Char, Doc)] -- List of markers, notes
-- in current table
, stOLLevel :: Int -- level of ordered list nesting
, stOptions :: WriterOptions -- writer options, so they don't have to be parameter
, stVerbInNote :: Bool -- true if document has verbatim text in note
, stEnumerate :: Bool -- true if document needs fancy enumerated lists
, stTable :: Bool -- true if document has a table
, stStrikeout :: Bool -- true if document has strikeout
, stSubscript :: Bool -- true if document has subscript
, stUrl :: Bool -- true if document has visible URL link
, stGraphics :: Bool -- true if document contains images
, stLHS :: Bool -- true if document has literate haskell code
, stBook :: Bool -- true if document uses book or memoir class
, stCsquotes :: Bool -- true if document uses csquotes
, stHighlighting :: Bool -- true if document has highlighted code
, stIncremental :: Bool -- true if beamer lists should be displayed bit by bit
, stInternalLinks :: [String] -- list of internal link targets
}
-- | Convert Pandoc to LaTeX.
writeLaTeX :: WriterOptions -> Pandoc -> String
writeLaTeX options document =
evalState (pandocToLaTeX options document) $
WriterState { stInNote = False, stInTable = False,
stTableNotes = [], stOLLevel = 1, stOptions = options,
stVerbInNote = False, stEnumerate = False,
stTable = False, stStrikeout = False, stSubscript = False,
stUrl = False, stGraphics = False,
stLHS = False, stBook = writerChapters options,
stCsquotes = False, stHighlighting = False,
stIncremental = writerIncremental options,
stInternalLinks = [] }
pandocToLaTeX :: WriterOptions -> Pandoc -> State WriterState String
pandocToLaTeX options (Pandoc (Meta title authors date) blocks) = do
-- see if there are internal links
let isInternalLink (Link _ ('#':xs,_)) = [xs]
isInternalLink _ = []
modify $ \s -> s{ stInternalLinks = queryWith isInternalLink blocks }
let template = writerTemplate options
-- set stBook depending on documentclass
let bookClasses = ["memoir","book","report","scrreprt","scrbook"]
case lookup "documentclass" (writerVariables options) of
Just x | x `elem` bookClasses -> modify $ \s -> s{stBook = True}
| otherwise -> return ()
Nothing | any (\x -> "\\documentclass" `isPrefixOf` x &&
(any (`isSuffixOf` x) bookClasses))
(lines template) -> modify $ \s -> s{stBook = True}
| otherwise -> return ()
-- check for \usepackage...{csquotes}; if present, we'll use
-- \enquote{...} for smart quotes:
when ("{csquotes}" `isInfixOf` template) $
modify $ \s -> s{stCsquotes = True}
let colwidth = if writerWrapText options
then Just $ writerColumns options
else Nothing
titletext <- liftM (render colwidth) $ inlineListToLaTeX title
authorsText <- mapM (liftM (render colwidth) . inlineListToLaTeX) authors
dateText <- liftM (render colwidth) $ inlineListToLaTeX date
let (blocks', lastHeader) = if writerCiteMethod options == Citeproc then
(blocks, [])
else case last blocks of
Header 1 il -> (init blocks, il)
_ -> (blocks, [])
blocks'' <- if writerBeamer options
then toSlides blocks'
else return blocks'
body <- mapM (elementToLaTeX options) $ hierarchicalize blocks''
biblioTitle <- liftM (render colwidth) $ inlineListToLaTeX lastHeader
let main = render colwidth $ vcat body
st <- get
let biblioFiles = intercalate "," $ map dropExtension $ writerBiblioFiles options
citecontext = case writerCiteMethod options of
Natbib -> [ ("biblio-files", biblioFiles)
, ("biblio-title", biblioTitle)
, ("natbib", "yes")
]
Biblatex -> [ ("biblio-files", biblioFiles)
, ("biblio-title", biblioTitle)
, ("biblatex", "yes")
]
_ -> []
context = writerVariables options ++
[ ("toc", if writerTableOfContents options then "yes" else "")
, ("body", main)
, ("title", titletext)
, ("date", dateText)
, ("documentclass", if writerBeamer options
then "beamer"
else if writerChapters options
then "book"
else "article") ] ++
[ ("author", a) | a <- authorsText ] ++
[ ("verbatim-in-note", "yes") | stVerbInNote st ] ++
[ ("fancy-enums", "yes") | stEnumerate st ] ++
[ ("tables", "yes") | stTable st ] ++
[ ("strikeout", "yes") | stStrikeout st ] ++
[ ("subscript", "yes") | stSubscript st ] ++
[ ("url", "yes") | stUrl st ] ++
[ ("numbersections", "yes") | writerNumberSections options ] ++
[ ("lhs", "yes") | stLHS st ] ++
[ ("graphics", "yes") | stGraphics st ] ++
[ ("book-class", "yes") | stBook st] ++
[ ("listings", "yes") | writerListings options || stLHS st ] ++
[ ("beamer", "yes") | writerBeamer options ] ++
[ ("highlighting-macros", styleToLaTeX
$ writerHighlightStyle options ) | stHighlighting st ] ++
citecontext
return $ if writerStandalone options
then renderTemplate context template
else main
-- | Convert Elements to LaTeX
elementToLaTeX :: WriterOptions -> Element -> State WriterState Doc
elementToLaTeX _ (Blk block) = blockToLaTeX block
elementToLaTeX opts (Sec level _ id' title' elements) = do
header' <- sectionHeader id' level title'
innerContents <- mapM (elementToLaTeX opts) elements
return $ vcat (header' : innerContents)
-- escape things as needed for LaTeX
stringToLaTeX :: Bool -> String -> String
stringToLaTeX isUrl = escapeStringUsing latexEscapes
where latexEscapes = backslashEscapes "{}$%&_" ++
if isUrl
then []
else [ ('~', "\\ensuremath{\\sim}")
, ('#', "\\#")
] ++
[ ('^', "\\^{}")
, ('\\', "\\textbackslash{}")
, ('€', "\\euro{}")
, ('|', "\\textbar{}")
, ('<', "\\textless{}")
, ('>', "\\textgreater{}")
, ('[', "{[}") -- to avoid interpretation as
, (']', "{]}") -- optional arguments
, ('\160', "~")
, ('\x2018', "`")
, ('\x2019', "'")
, ('\x201C', "``")
, ('\x201D', "''")
, ('\x2026', "\\ldots{}")
, ('\x2014', "---")
, ('\x2013', "--")
]
-- | Puts contents into LaTeX command.
inCmd :: String -> Doc -> Doc
inCmd cmd contents = char '\\' <> text cmd <> braces contents
toSlides :: [Block] -> State WriterState [Block]
toSlides bs = do
opts <- gets stOptions
let slideLevel = maybe (getSlideLevel bs) id $ writerSlideLevel opts
let bs' = prepSlides slideLevel bs
concat `fmap` (mapM (elementToBeamer slideLevel) $ hierarchicalize bs')
elementToBeamer :: Int -> Element -> State WriterState [Block]
elementToBeamer _slideLevel (Blk b) = return [b]
elementToBeamer slideLevel (Sec lvl _num _ident tit elts)
| lvl > slideLevel = do
bs <- concat `fmap` mapM (elementToBeamer slideLevel) elts
return $ Para ( RawInline "latex" "\\begin{block}{"
: tit ++ [RawInline "latex" "}"] )
: bs ++ [RawBlock "latex" "\\end{block}"]
| lvl < slideLevel = do
let isSec (Sec _ _ _ _ _) = True
isSec (Blk _) = False
bs <- concat `fmap` mapM (elementToBeamer slideLevel) elts
-- (filter isSec elts)
return $ (Header lvl tit) : bs
| otherwise = do -- lvl == slideLevel
-- note: [fragile] is required or verbatim breaks
let hasCodeBlock (CodeBlock _ _) = [True]
hasCodeBlock _ = []
let hasCode (Code _ _) = [True]
hasCode _ = []
let fragile = if not $ null $ queryWith hasCodeBlock elts ++ queryWith hasCode elts
then "[fragile]"
else ""
let slideStart = Para $ RawInline "latex" ("\\begin{frame}" ++ fragile ++
"\\frametitle{") : tit ++ [RawInline "latex" "}"]
let slideEnd = RawBlock "latex" "\\end{frame}"
-- now carve up slide into blocks if there are sections inside
bs <- concat `fmap` mapM (elementToBeamer slideLevel) elts
return $ slideStart : bs ++ [slideEnd]
isListBlock :: Block -> Bool
isListBlock (BulletList _) = True
isListBlock (OrderedList _ _) = True
isListBlock (DefinitionList _) = True
isListBlock _ = False
-- | Convert Pandoc block element to LaTeX.
blockToLaTeX :: Block -- ^ Block to convert
-> State WriterState Doc
blockToLaTeX Null = return empty
blockToLaTeX (Plain lst) = inlineListToLaTeX lst
blockToLaTeX (Para [Image txt (src,tit)]) = do
capt <- inlineListToLaTeX txt
img <- inlineToLaTeX (Image txt (src,tit))
return $ "\\begin{figure}[htbp]" $$ "\\centering" $$ img $$
("\\caption{" <> capt <> char '}') $$ "\\end{figure}" $$ blankline
blockToLaTeX (Para lst) = do
result <- inlineListToLaTeX lst
return $ result <> blankline
blockToLaTeX (BlockQuote lst) = do
beamer <- writerBeamer `fmap` gets stOptions
case lst of
[b] | beamer && isListBlock b -> do
oldIncremental <- gets stIncremental
modify $ \s -> s{ stIncremental = True }
result <- blockToLaTeX b
modify $ \s -> s{ stIncremental = oldIncremental }
return result
_ -> do
contents <- blockListToLaTeX lst
return $ "\\begin{quote}" $$ contents $$ "\\end{quote}"
blockToLaTeX (CodeBlock (_,classes,keyvalAttr) str) = do
opts <- gets stOptions
case () of
_ | writerLiterateHaskell opts && "haskell" `elem` classes &&
"literate" `elem` classes -> lhsCodeBlock
| writerListings opts -> listingsCodeBlock
| writerHighlight opts && not (null classes) -> highlightedCodeBlock
| otherwise -> rawCodeBlock
where lhsCodeBlock = do
modify $ \s -> s{ stLHS = True }
return $ flush ("\\begin{code}" $$ text str $$ "\\end{code}") $$ cr
rawCodeBlock = do
st <- get
env <- if stInNote st
then modify (\s -> s{ stVerbInNote = True }) >>
return "Verbatim"
else return "verbatim"
return $ flush (text ("\\begin{" ++ env ++ "}") $$ text str $$
text ("\\end{" ++ env ++ "}")) $$ cr -- final cr because of notes
listingsCodeBlock = do
st <- get
let params = if writerListings (stOptions st)
then take 1
[ "language=" ++ lang | lang <- classes
, lang `elem` ["ABAP","IDL","Plasm","ACSL","inform"
,"POV","Ada","Java","Prolog","Algol"
,"JVMIS","Promela","Ant","ksh","Python"
,"Assembler","Lisp","R","Awk","Logo"
,"Reduce","bash","make","Rexx","Basic"
,"Mathematica","RSL","C","Matlab","Ruby"
,"C++","Mercury","S","Caml","MetaPost"
,"SAS","Clean","Miranda","Scilab","Cobol"
,"Mizar","sh","Comal","ML","SHELXL","csh"
,"Modula-2","Simula","Delphi","MuPAD"
,"SQL","Eiffel","NASTRAN","tcl","Elan"
,"Oberon-2","TeX","erlang","OCL"
,"VBScript","Euphoria","Octave","Verilog"
,"Fortran","Oz","VHDL","GCL","Pascal"
,"VRML","Gnuplot","Perl","XML","Haskell"
,"PHP","XSLT","HTML","PL/I"]
] ++
[ key ++ "=" ++ attr | (key,attr) <- keyvalAttr ]
else []
printParams
| null params = empty
| otherwise = brackets $ hsep (intersperse "," (map text params))
return $ flush ("\\begin{lstlisting}" <> printParams $$ text str $$
"\\end{lstlisting}") $$ cr
highlightedCodeBlock =
case highlight formatLaTeXBlock ("",classes,keyvalAttr) str of
Nothing -> rawCodeBlock
Just h -> modify (\st -> st{ stHighlighting = True }) >>
return (flush $ text h)
blockToLaTeX (RawBlock "latex" x) = return $ text x <> blankline
blockToLaTeX (RawBlock _ _) = return empty
blockToLaTeX (BulletList lst) = do
incremental <- gets stIncremental
let inc = if incremental then "[<+->]" else ""
items <- mapM listItemToLaTeX lst
return $ text ("\\begin{itemize}" ++ inc) $$ vcat items $$ "\\end{itemize}"
blockToLaTeX (OrderedList (start, numstyle, numdelim) lst) = do
st <- get
let inc = if stIncremental st then "[<+->]" else ""
let oldlevel = stOLLevel st
put $ st {stOLLevel = oldlevel + 1}
items <- mapM listItemToLaTeX lst
modify (\s -> s {stOLLevel = oldlevel})
exemplar <- if numstyle /= DefaultStyle || numdelim /= DefaultDelim
then do
modify $ \s -> s{ stEnumerate = True }
return $ char '[' <>
text (head (orderedListMarkers (1, numstyle,
numdelim))) <> char ']'
else return empty
let resetcounter = if start /= 1 && oldlevel <= 4
then text $ "\\setcounter{enum" ++
map toLower (toRomanNumeral oldlevel) ++
"}{" ++ show (start - 1) ++ "}"
else empty
return $ text ("\\begin{enumerate}" ++ inc) <> exemplar $$ resetcounter $$
vcat items $$ "\\end{enumerate}"
blockToLaTeX (DefinitionList lst) = do
incremental <- gets stIncremental
let inc = if incremental then "[<+->]" else ""
items <- mapM defListItemToLaTeX lst
return $ text ("\\begin{description}" ++ inc) $$ vcat items $$ "\\end{description}"
blockToLaTeX HorizontalRule = return $
"\\begin{center}\\rule{3in}{0.4pt}\\end{center}" $$ blankline
blockToLaTeX (Header level lst) = sectionHeader "" level lst
blockToLaTeX (Table caption aligns widths heads rows) = do
modify $ \s -> s{ stInTable = True, stTableNotes = [] }
headers <- if all null heads
then return empty
else liftM ($$ "\\ML")
$ (tableRowToLaTeX True aligns widths) heads
captionText <- inlineListToLaTeX caption
let capt = if isEmpty captionText
then empty
else text "caption = " <> captionText <> "," <> space
rows' <- mapM (tableRowToLaTeX False aligns widths) rows
let rows'' = intersperse ("\\\\\\noalign{\\medskip}") rows'
tableNotes <- liftM (reverse . stTableNotes) get
let toNote (marker, x) = "\\tnote" <> brackets (char marker) <>
braces (nest 2 x)
let notes = vcat $ map toNote tableNotes
let colDescriptors = text $ concat $ map toColDescriptor aligns
let tableBody =
("\\ctable" <> brackets (capt <> text "pos = H, center, botcap"))
<> braces colDescriptors
$$ braces ("% notes" <> cr <> notes <> cr)
$$ braces (text "% rows" $$ "\\FL" $$
vcat (headers : rows'') $$ "\\LL" <> cr)
modify $ \s -> s{ stTable = True, stInTable = False, stTableNotes = [] }
return $ tableBody $$ blankline
toColDescriptor :: Alignment -> String
toColDescriptor align =
case align of
AlignLeft -> "l"
AlignRight -> "r"
AlignCenter -> "c"
AlignDefault -> "l"
blockListToLaTeX :: [Block] -> State WriterState Doc
blockListToLaTeX lst = mapM blockToLaTeX lst >>= return . vcat
tableRowToLaTeX :: Bool
-> [Alignment]
-> [Double]
-> [[Block]]
-> State WriterState Doc
tableRowToLaTeX header aligns widths cols = do
renderedCells <- mapM blockListToLaTeX cols
let valign = text $ if header then "[b]" else "[t]"
let halign x = case x of
AlignLeft -> "\\raggedright"
AlignRight -> "\\raggedleft"
AlignCenter -> "\\centering"
AlignDefault -> "\\raggedright"
let toCell 0 _ c = c
toCell w a c = "\\parbox" <> valign <>
braces (text (printf "%.2f\\columnwidth" w)) <>
braces (halign a <> cr <> c <> cr)
let cells = zipWith3 toCell widths aligns renderedCells
return $ hcat $ intersperse (" & ") cells
listItemToLaTeX :: [Block] -> State WriterState Doc
listItemToLaTeX lst = blockListToLaTeX lst >>= return . (text "\\item" $$) .
(nest 2)
defListItemToLaTeX :: ([Inline], [[Block]]) -> State WriterState Doc
defListItemToLaTeX (term, defs) = do
term' <- inlineListToLaTeX term
def' <- liftM vsep $ mapM blockListToLaTeX defs
return $ "\\item" <> brackets term' $$ def'
-- | Craft the section header, inserting the secton reference, if supplied.
sectionHeader :: [Char]
-> Int
-> [Inline]
-> State WriterState Doc
sectionHeader ref level lst = do
txt <- inlineListToLaTeX lst
let noNote (Note _) = Str ""
noNote x = x
let lstNoNotes = bottomUp noNote lst
-- footnotes in sections don't work unless you specify an optional
-- argument: \section[mysec]{mysec\footnote{blah}}
optional <- if lstNoNotes == lst
then return empty
else do
res <- inlineListToLaTeX lstNoNotes
return $ char '[' <> res <> char ']'
let stuffing = optional <> char '{' <> txt <> char '}'
book <- gets stBook
opts <- gets stOptions
let level' = if book || writerChapters opts then level - 1 else level
internalLinks <- gets stInternalLinks
let refLabel lab = (if ref `elem` internalLinks
then text "\\hyperdef"
<> braces empty
<> braces (text ref)
<> braces (lab <> text "\\label"
<> braces (text ref))
else lab)
$$ blankline
let headerWith x y = refLabel $ text x <> y
return $ case level' of
0 -> if writerBeamer opts
then headerWith "\\part" stuffing
else headerWith "\\chapter" stuffing
1 -> headerWith "\\section" stuffing
2 -> headerWith "\\subsection" stuffing
3 -> headerWith "\\subsubsection" stuffing
4 -> headerWith "\\paragraph" stuffing
5 -> headerWith "\\subparagraph" stuffing
_ -> txt $$ blankline
-- | Convert list of inline elements to LaTeX.
inlineListToLaTeX :: [Inline] -- ^ Inlines to convert
-> State WriterState Doc
inlineListToLaTeX lst = mapM inlineToLaTeX lst >>= return . hcat
isQuoted :: Inline -> Bool
isQuoted (Quoted _ _) = True
isQuoted _ = False
-- | Convert inline element to LaTeX
inlineToLaTeX :: Inline -- ^ Inline to convert
-> State WriterState Doc
inlineToLaTeX (Emph lst) =
inlineListToLaTeX lst >>= return . inCmd "emph"
inlineToLaTeX (Strong lst) =
inlineListToLaTeX lst >>= return . inCmd "textbf"
inlineToLaTeX (Strikeout lst) = do
contents <- inlineListToLaTeX lst
modify $ \s -> s{ stStrikeout = True }
return $ inCmd "sout" contents
inlineToLaTeX (Superscript lst) =
inlineListToLaTeX lst >>= return . inCmd "textsuperscript"
inlineToLaTeX (Subscript lst) = do
modify $ \s -> s{ stSubscript = True }
contents <- inlineListToLaTeX lst
-- oddly, latex includes \textsuperscript but not \textsubscript
-- so we have to define it (using a different name so as not to conflict with memoir class):
return $ inCmd "textsubscr" contents
inlineToLaTeX (SmallCaps lst) =
inlineListToLaTeX lst >>= return . inCmd "textsc"
inlineToLaTeX (Cite cits lst) = do
st <- get
let opts = stOptions st
case writerCiteMethod opts of
Natbib -> citationsToNatbib cits
Biblatex -> citationsToBiblatex cits
_ -> inlineListToLaTeX lst
inlineToLaTeX (Code (_,classes,_) str) = do
opts <- gets stOptions
case () of
_ | writerListings opts -> listingsCode
| writerHighlight opts && not (null classes) -> highlightCode
| otherwise -> rawCode
where listingsCode = do
inNote <- gets stInNote
when inNote $ modify $ \s -> s{ stVerbInNote = True }
let chr = ((enumFromTo '!' '~') \\ str) !! 0
return $ text $ "\\lstinline" ++ [chr] ++ str ++ [chr]
highlightCode = do
case highlight formatLaTeXInline ("",classes,[]) str of
Nothing -> rawCode
Just h -> modify (\st -> st{ stHighlighting = True }) >>
return (text h)
rawCode = return
$ text $ "\\texttt{" ++ stringToLaTeX False str ++ "}"
inlineToLaTeX (Quoted SingleQuote lst) = do
contents <- inlineListToLaTeX lst
csquotes <- liftM stCsquotes get
if csquotes
then return $ "\\enquote" <> braces contents
else do
let s1 = if (not (null lst)) && (isQuoted (head lst))
then "\\,"
else empty
let s2 = if (not (null lst)) && (isQuoted (last lst))
then "\\,"
else empty
return $ char '`' <> s1 <> contents <> s2 <> char '\''
inlineToLaTeX (Quoted DoubleQuote lst) = do
contents <- inlineListToLaTeX lst
csquotes <- liftM stCsquotes get
if csquotes
then return $ "\\enquote" <> braces contents
else do
let s1 = if (not (null lst)) && (isQuoted (head lst))
then "\\,"
else empty
let s2 = if (not (null lst)) && (isQuoted (last lst))
then "\\,"
else empty
return $ "``" <> s1 <> contents <> s2 <> "''"
inlineToLaTeX (Str str) = return $ text $ stringToLaTeX False str
inlineToLaTeX (Math InlineMath str) = return $ char '$' <> text str <> char '$'
inlineToLaTeX (Math DisplayMath str) = return $ "\\[" <> text str <> "\\]"
inlineToLaTeX (RawInline "latex" str) = return $ text str
inlineToLaTeX (RawInline "tex" str) = return $ text str
inlineToLaTeX (RawInline _ _) = return empty
inlineToLaTeX (LineBreak) = return "\\\\"
inlineToLaTeX Space = return space
inlineToLaTeX (Link txt (src, _)) =
case txt of
[Code _ x] | x == src -> -- autolink
do modify $ \s -> s{ stUrl = True }
return $ text $ "\\url{" ++ x ++ "}"
_ -> do contents <- inlineListToLaTeX txt
return $ text ("\\href{" ++ stringToLaTeX True src ++ "}{") <>
contents <> char '}'
inlineToLaTeX (Image _ (source, _)) = do
modify $ \s -> s{ stGraphics = True }
let source' = if isAbsoluteURI source
then source
else unEscapeString source
return $ "\\includegraphics" <> braces (text source')
inlineToLaTeX (Note contents) = do
modify (\s -> s{stInNote = True})
contents' <- blockListToLaTeX contents
modify (\s -> s {stInNote = False})
inTable <- liftM stInTable get
if inTable
then do
curnotes <- liftM stTableNotes get
let marker = cycle ['a'..'z'] !! length curnotes
modify $ \s -> s{ stTableNotes = (marker, contents') : curnotes }
return $ "\\tmark" <> brackets (char marker) <> space
else return $ "\\footnote" <> braces (nest 2 contents')
-- note: a \n before } needed when note ends with a Verbatim environment
citationsToNatbib :: [Citation] -> State WriterState Doc
citationsToNatbib (one:[])
= citeCommand c p s k
where
Citation { citationId = k
, citationPrefix = p
, citationSuffix = s
, citationMode = m
}
= one
c = case m of
AuthorInText -> "citet"
SuppressAuthor -> "citeyearpar"
NormalCitation -> "citep"
citationsToNatbib cits
| noPrefix (tail cits) && noSuffix (init cits) && ismode NormalCitation cits
= citeCommand "citep" p s ks
where
noPrefix = and . map (null . citationPrefix)
noSuffix = and . map (null . citationSuffix)
ismode m = and . map (((==) m) . citationMode)
p = citationPrefix $ head $ cits
s = citationSuffix $ last $ cits
ks = intercalate ", " $ map citationId cits
citationsToNatbib (c:cs) | citationMode c == AuthorInText = do
author <- citeCommand "citeauthor" [] [] (citationId c)
cits <- citationsToNatbib (c { citationMode = SuppressAuthor } : cs)
return $ author <+> cits
citationsToNatbib cits = do
cits' <- mapM convertOne cits
return $ text "\\citetext{" <> foldl combineTwo empty cits' <> text "}"
where
combineTwo a b | isEmpty a = b
| otherwise = a <> text "; " <> b
convertOne Citation { citationId = k
, citationPrefix = p
, citationSuffix = s
, citationMode = m
}
= case m of
AuthorInText -> citeCommand "citealt" p s k
SuppressAuthor -> citeCommand "citeyear" p s k
NormalCitation -> citeCommand "citealp" p s k
citeCommand :: String -> [Inline] -> [Inline] -> String -> State WriterState Doc
citeCommand c p s k = do
args <- citeArguments p s k
return $ text ("\\" ++ c) <> args
citeArguments :: [Inline] -> [Inline] -> String -> State WriterState Doc
citeArguments p s k = do
let s' = case s of
(Str (x:[]) : r) | isPunctuation x -> dropWhile (== Space) r
(Str (x:xs) : r) | isPunctuation x -> Str xs : r
_ -> s
pdoc <- inlineListToLaTeX p
sdoc <- inlineListToLaTeX s'
let optargs = case (isEmpty pdoc, isEmpty sdoc) of
(True, True ) -> empty
(True, False) -> brackets sdoc
(_ , _ ) -> brackets pdoc <> brackets sdoc
return $ optargs <> braces (text k)
citationsToBiblatex :: [Citation] -> State WriterState Doc
citationsToBiblatex (one:[])
= citeCommand cmd p s k
where
Citation { citationId = k
, citationPrefix = p
, citationSuffix = s
, citationMode = m
} = one
cmd = case m of
SuppressAuthor -> "autocite*"
AuthorInText -> "textcite"
NormalCitation -> "autocite"
citationsToBiblatex (c:cs) = do
args <- mapM convertOne (c:cs)
return $ text cmd <> foldl (<>) empty args
where
cmd = case citationMode c of
AuthorInText -> "\\textcites"
_ -> "\\autocites"
convertOne Citation { citationId = k
, citationPrefix = p
, citationSuffix = s
}
= citeArguments p s k
citationsToBiblatex _ = return empty
|