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authorMatej Kollar <208115@mail.muni.cz>2014-06-30 08:04:40 +0200
committerMatej Kollar <208115@mail.muni.cz>2014-07-02 06:36:31 +0200
commit05b94c31aede33ca6860357547bed17c993b337e (patch)
tree2458b9a16d2291e245b57617a4da355cc66f4092 /src/Text/Pandoc
parent264e366f1a973efa56fc32079927fc51cc1936ca (diff)
downloadpandoc-05b94c31aede33ca6860357547bed17c993b337e.tar.gz
Use Reader.
To avoid to pass opts explicitly around (as we do not use it very much at the moment anyway)
Diffstat (limited to 'src/Text/Pandoc')
-rw-r--r--src/Text/Pandoc/Writers/MediaWiki.hs191
1 files changed, 95 insertions, 96 deletions
diff --git a/src/Text/Pandoc/Writers/MediaWiki.hs b/src/Text/Pandoc/Writers/MediaWiki.hs
index 3b987ba2b..6a0c2d0e8 100644
--- a/src/Text/Pandoc/Writers/MediaWiki.hs
+++ b/src/Text/Pandoc/Writers/MediaWiki.hs
@@ -39,6 +39,7 @@ import Text.Pandoc.Templates (renderTemplate')
import Text.Pandoc.XML ( escapeStringForXML )
import Data.List ( intersect, intercalate, intersperse )
import Network.URI ( isURI )
+import Control.Monad.Reader
import Control.Monad.State
data WriterState = WriterState {
@@ -47,20 +48,23 @@ data WriterState = WriterState {
, stUseTags :: Bool -- True if we should use HTML tags because we're in a complex list
}
+type MediaWikiWriter = ReaderT WriterOptions (State WriterState)
+
-- | Convert Pandoc to MediaWiki.
writeMediaWiki :: WriterOptions -> Pandoc -> String
writeMediaWiki opts document =
- evalState (pandocToMediaWiki opts document)
+ evalState (runReaderT (pandocToMediaWiki document) opts)
WriterState { stNotes = False, stListLevel = [], stUseTags = False }
-- | Return MediaWiki representation of document.
-pandocToMediaWiki :: WriterOptions -> Pandoc -> State WriterState String
-pandocToMediaWiki opts (Pandoc meta blocks) = do
+pandocToMediaWiki :: Pandoc -> MediaWikiWriter String
+pandocToMediaWiki (Pandoc meta blocks) = do
+ opts <- ask
metadata <- metaToJSON opts
- (fmap trimr . blockListToMediaWiki opts)
- (inlineListToMediaWiki opts)
+ (fmap trimr . blockListToMediaWiki)
+ inlineListToMediaWiki
meta
- body <- blockListToMediaWiki opts blocks
+ body <- blockListToMediaWiki blocks
notesExist <- get >>= return . stNotes
let notes = if notesExist
then "\n<references />"
@@ -78,51 +82,50 @@ escapeString :: String -> String
escapeString = escapeStringForXML
-- | Convert Pandoc block element to MediaWiki.
-blockToMediaWiki :: WriterOptions -- ^ Options
- -> Block -- ^ Block element
- -> State WriterState String
+blockToMediaWiki :: Block -- ^ Block element
+ -> MediaWikiWriter String
-blockToMediaWiki _ Null = return ""
+blockToMediaWiki Null = return ""
-blockToMediaWiki opts (Div attrs bs) = do
- contents <- blockListToMediaWiki opts bs
+blockToMediaWiki (Div attrs bs) = do
+ contents <- blockListToMediaWiki bs
return $ render Nothing (tagWithAttrs "div" attrs) ++ "\n\n" ++
contents ++ "\n\n" ++ "</div>"
-blockToMediaWiki opts (Plain inlines) =
- inlineListToMediaWiki opts inlines
+blockToMediaWiki (Plain inlines) =
+ inlineListToMediaWiki inlines
-- title beginning with fig: indicates that the image is a figure
-blockToMediaWiki opts (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
+blockToMediaWiki (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
capt <- if null txt
then return ""
- else ("|caption " ++) `fmap` inlineListToMediaWiki opts txt
+ else ("|caption " ++) `fmap` inlineListToMediaWiki txt
let opt = if null txt
then ""
else "|alt=" ++ if null tit then capt else tit ++ capt
return $ "[[Image:" ++ src ++ "|frame|none" ++ opt ++ "]]\n"
-blockToMediaWiki opts (Para inlines) = do
+blockToMediaWiki (Para inlines) = do
useTags <- get >>= return . stUseTags
listLevel <- get >>= return . stListLevel
- contents <- inlineListToMediaWiki opts inlines
+ contents <- inlineListToMediaWiki inlines
return $ if useTags
then "<p>" ++ contents ++ "</p>"
else contents ++ if null listLevel then "\n" else ""
-blockToMediaWiki _ (RawBlock f str)
+blockToMediaWiki (RawBlock f str)
| f == Format "mediawiki" = return str
| f == Format "html" = return str
| otherwise = return ""
-blockToMediaWiki _ HorizontalRule = return "\n-----\n"
+blockToMediaWiki HorizontalRule = return "\n-----\n"
-blockToMediaWiki opts (Header level _ inlines) = do
- contents <- inlineListToMediaWiki opts inlines
+blockToMediaWiki (Header level _ inlines) = do
+ contents <- inlineListToMediaWiki inlines
let eqs = replicate level '='
return $ eqs ++ " " ++ contents ++ " " ++ eqs ++ "\n"
-blockToMediaWiki _ (CodeBlock (_,classes,_) str) = do
+blockToMediaWiki (CodeBlock (_,classes,_) str) = do
let at = classes `intersect` ["actionscript", "ada", "apache", "applescript", "asm", "asp",
"autoit", "bash", "blitzbasic", "bnf", "c", "c_mac", "caddcl", "cadlisp", "cfdg", "cfm",
"cpp", "cpp-qt", "csharp", "css", "d", "delphi", "diff", "div", "dos", "eiffel", "fortran",
@@ -137,68 +140,68 @@ blockToMediaWiki _ (CodeBlock (_,classes,_) str) = do
else ("<source lang=\"" ++ head at ++ "\">", "</source>")
return $ beg ++ escapeString str ++ end
-blockToMediaWiki opts (BlockQuote blocks) = do
- contents <- blockListToMediaWiki opts blocks
+blockToMediaWiki (BlockQuote blocks) = do
+ contents <- blockListToMediaWiki blocks
return $ "<blockquote>" ++ contents ++ "</blockquote>"
-blockToMediaWiki opts (Table capt aligns widths headers rows') = do
+blockToMediaWiki (Table capt aligns widths headers rows') = do
caption <- if null capt
then return ""
else do
- c <- inlineListToMediaWiki opts capt
+ c <- inlineListToMediaWiki capt
return $ "|+ " ++ trimr c ++ "\n"
let headless = all null headers
let allrows = if headless then rows' else headers:rows'
tableBody <- (concat . intersperse "|-\n") `fmap`
- mapM (tableRowToMediaWiki opts headless aligns widths)
+ mapM (tableRowToMediaWiki headless aligns widths)
(zip [1..] allrows)
return $ "{|\n" ++ caption ++ tableBody ++ "|}\n"
-blockToMediaWiki opts x@(BulletList items) = do
+blockToMediaWiki x@(BulletList items) = do
oldUseTags <- get >>= return . stUseTags
listLevel <- get >>= return . stListLevel
let useTags = oldUseTags || not (isSimpleList x)
if useTags
then do
modify $ \s -> s { stUseTags = True }
- contents <- mapM (listItemToMediaWiki opts) items
+ contents <- mapM listItemToMediaWiki items
modify $ \s -> s { stUseTags = oldUseTags }
return $ "<ul>\n" ++ vcat contents ++ "</ul>\n"
else do
modify $ \s -> s { stListLevel = stListLevel s ++ "*" }
- contents <- mapM (listItemToMediaWiki opts) items
+ contents <- mapM listItemToMediaWiki items
modify $ \s -> s { stListLevel = init (stListLevel s) }
return $ vcat contents ++ if null listLevel then "\n" else ""
-blockToMediaWiki opts x@(OrderedList attribs items) = do
+blockToMediaWiki x@(OrderedList attribs items) = do
oldUseTags <- get >>= return . stUseTags
listLevel <- get >>= return . stListLevel
let useTags = oldUseTags || not (isSimpleList x)
if useTags
then do
modify $ \s -> s { stUseTags = True }
- contents <- mapM (listItemToMediaWiki opts) items
+ contents <- mapM listItemToMediaWiki items
modify $ \s -> s { stUseTags = oldUseTags }
return $ "<ol" ++ listAttribsToString attribs ++ ">\n" ++ vcat contents ++ "</ol>\n"
else do
modify $ \s -> s { stListLevel = stListLevel s ++ "#" }
- contents <- mapM (listItemToMediaWiki opts) items
+ contents <- mapM listItemToMediaWiki items
modify $ \s -> s { stListLevel = init (stListLevel s) }
return $ vcat contents ++ if null listLevel then "\n" else ""
-blockToMediaWiki opts x@(DefinitionList items) = do
+blockToMediaWiki x@(DefinitionList items) = do
oldUseTags <- get >>= return . stUseTags
listLevel <- get >>= return . stListLevel
let useTags = oldUseTags || not (isSimpleList x)
if useTags
then do
modify $ \s -> s { stUseTags = True }
- contents <- mapM (definitionListItemToMediaWiki opts) items
+ contents <- mapM definitionListItemToMediaWiki items
modify $ \s -> s { stUseTags = oldUseTags }
return $ "<dl>\n" ++ vcat contents ++ "</dl>\n"
else do
modify $ \s -> s { stListLevel = stListLevel s ++ ";" }
- contents <- mapM (definitionListItemToMediaWiki opts) items
+ contents <- mapM definitionListItemToMediaWiki items
modify $ \s -> s { stListLevel = init (stListLevel s) }
return $ vcat contents ++ if null listLevel then "\n" else ""
@@ -216,9 +219,9 @@ listAttribsToString (startnum, numstyle, _) =
else "")
-- | Convert bullet or ordered list item (list of blocks) to MediaWiki.
-listItemToMediaWiki :: WriterOptions -> [Block] -> State WriterState String
-listItemToMediaWiki opts items = do
- contents <- blockListToMediaWiki opts items
+listItemToMediaWiki :: [Block] -> MediaWikiWriter String
+listItemToMediaWiki items = do
+ contents <- blockListToMediaWiki items
useTags <- get >>= return . stUseTags
if useTags
then return $ "<li>" ++ contents ++ "</li>"
@@ -227,12 +230,11 @@ listItemToMediaWiki opts items = do
return $ marker ++ " " ++ contents
-- | Convert definition list item (label, list of blocks) to MediaWiki.
-definitionListItemToMediaWiki :: WriterOptions
- -> ([Inline],[[Block]])
- -> State WriterState String
-definitionListItemToMediaWiki opts (label, items) = do
- labelText <- inlineListToMediaWiki opts label
- contents <- mapM (blockListToMediaWiki opts) items
+definitionListItemToMediaWiki :: ([Inline],[[Block]])
+ -> MediaWikiWriter String
+definitionListItemToMediaWiki (label, items) = do
+ labelText <- inlineListToMediaWiki label
+ contents <- mapM blockListToMediaWiki items
useTags <- get >>= return . stUseTags
if useTags
then return $ "<dt>" ++ labelText ++ "</dt>\n" ++
@@ -283,25 +285,23 @@ vcat = intercalate "\n"
-- Auxiliary functions for tables:
-tableRowToMediaWiki :: WriterOptions
- -> Bool
+tableRowToMediaWiki :: Bool
-> [Alignment]
-> [Double]
-> (Int, [[Block]])
- -> State WriterState String
-tableRowToMediaWiki opts headless alignments widths (rownum, cells) = do
+ -> MediaWikiWriter String
+tableRowToMediaWiki headless alignments widths (rownum, cells) = do
cells' <- mapM (\cellData ->
- tableCellToMediaWiki opts headless rownum cellData)
+ tableCellToMediaWiki headless rownum cellData)
$ zip3 alignments widths cells
return $ unlines cells'
-tableCellToMediaWiki :: WriterOptions
- -> Bool
+tableCellToMediaWiki :: Bool
-> Int
-> (Alignment, Double, [Block])
- -> State WriterState String
-tableCellToMediaWiki opts headless rownum (alignment, width, bs) = do
- contents <- blockListToMediaWiki opts bs
+ -> MediaWikiWriter String
+tableCellToMediaWiki headless rownum (alignment, width, bs) = do
+ contents <- blockListToMediaWiki bs
let marker = if rownum == 1 && not headless then "!" else "|"
let percent w = show (truncate (100*w) :: Integer) ++ "%"
let attrs = ["align=" ++ show (alignmentToString alignment) |
@@ -321,75 +321,74 @@ alignmentToString alignment = case alignment of
AlignDefault -> "left"
-- | Convert list of Pandoc block elements to MediaWiki.
-blockListToMediaWiki :: WriterOptions -- ^ Options
- -> [Block] -- ^ List of block elements
- -> State WriterState String
-blockListToMediaWiki opts blocks =
- mapM (blockToMediaWiki opts) blocks >>= return . vcat
+blockListToMediaWiki :: [Block] -- ^ List of block elements
+ -> MediaWikiWriter String
+blockListToMediaWiki blocks =
+ mapM blockToMediaWiki blocks >>= return . vcat
-- | Convert list of Pandoc inline elements to MediaWiki.
-inlineListToMediaWiki :: WriterOptions -> [Inline] -> State WriterState String
-inlineListToMediaWiki opts lst =
- mapM (inlineToMediaWiki opts) lst >>= return . concat
+inlineListToMediaWiki :: [Inline] -> MediaWikiWriter String
+inlineListToMediaWiki lst =
+ mapM inlineToMediaWiki lst >>= return . concat
-- | Convert Pandoc inline element to MediaWiki.
-inlineToMediaWiki :: WriterOptions -> Inline -> State WriterState String
+inlineToMediaWiki :: Inline -> MediaWikiWriter String
-inlineToMediaWiki opts (Span attrs ils) = do
- contents <- inlineListToMediaWiki opts ils
+inlineToMediaWiki (Span attrs ils) = do
+ contents <- inlineListToMediaWiki ils
return $ render Nothing (tagWithAttrs "span" attrs) ++ contents ++ "</span>"
-inlineToMediaWiki opts (Emph lst) = do
- contents <- inlineListToMediaWiki opts lst
+inlineToMediaWiki (Emph lst) = do
+ contents <- inlineListToMediaWiki lst
return $ "''" ++ contents ++ "''"
-inlineToMediaWiki opts (Strong lst) = do
- contents <- inlineListToMediaWiki opts lst
+inlineToMediaWiki (Strong lst) = do
+ contents <- inlineListToMediaWiki lst
return $ "'''" ++ contents ++ "'''"
-inlineToMediaWiki opts (Strikeout lst) = do
- contents <- inlineListToMediaWiki opts lst
+inlineToMediaWiki (Strikeout lst) = do
+ contents <- inlineListToMediaWiki lst
return $ "<s>" ++ contents ++ "</s>"
-inlineToMediaWiki opts (Superscript lst) = do
- contents <- inlineListToMediaWiki opts lst
+inlineToMediaWiki (Superscript lst) = do
+ contents <- inlineListToMediaWiki lst
return $ "<sup>" ++ contents ++ "</sup>"
-inlineToMediaWiki opts (Subscript lst) = do
- contents <- inlineListToMediaWiki opts lst
+inlineToMediaWiki (Subscript lst) = do
+ contents <- inlineListToMediaWiki lst
return $ "<sub>" ++ contents ++ "</sub>"
-inlineToMediaWiki opts (SmallCaps lst) = inlineListToMediaWiki opts lst
+inlineToMediaWiki (SmallCaps lst) = inlineListToMediaWiki lst
-inlineToMediaWiki opts (Quoted SingleQuote lst) = do
- contents <- inlineListToMediaWiki opts lst
+inlineToMediaWiki (Quoted SingleQuote lst) = do
+ contents <- inlineListToMediaWiki lst
return $ "\8216" ++ contents ++ "\8217"
-inlineToMediaWiki opts (Quoted DoubleQuote lst) = do
- contents <- inlineListToMediaWiki opts lst
+inlineToMediaWiki (Quoted DoubleQuote lst) = do
+ contents <- inlineListToMediaWiki lst
return $ "\8220" ++ contents ++ "\8221"
-inlineToMediaWiki opts (Cite _ lst) = inlineListToMediaWiki opts lst
+inlineToMediaWiki (Cite _ lst) = inlineListToMediaWiki lst
-inlineToMediaWiki _ (Code _ str) =
+inlineToMediaWiki (Code _ str) =
return $ "<code>" ++ (escapeString str) ++ "</code>"
-inlineToMediaWiki _ (Str str) = return $ escapeString str
+inlineToMediaWiki (Str str) = return $ escapeString str
-inlineToMediaWiki _ (Math _ str) = return $ "<math>" ++ str ++ "</math>"
- -- note: str should NOT be escaped
+inlineToMediaWiki (Math _ str) = return $ "<math>" ++ str ++ "</math>"
+ -- note: str should NOT be escaped
-inlineToMediaWiki _ (RawInline f str)
+inlineToMediaWiki (RawInline f str)
| f == Format "mediawiki" = return str
| f == Format "html" = return str
| otherwise = return ""
-inlineToMediaWiki _ (LineBreak) = return "<br />"
+inlineToMediaWiki (LineBreak) = return "<br />"
-inlineToMediaWiki _ Space = return " "
+inlineToMediaWiki Space = return " "
-inlineToMediaWiki opts (Link txt (src, _)) = do
- label <- inlineListToMediaWiki opts txt
+inlineToMediaWiki (Link txt (src, _)) = do
+ label <- inlineListToMediaWiki txt
case txt of
[Str s] | escapeURI s == src -> return src
_ -> if isURI src
@@ -398,8 +397,8 @@ inlineToMediaWiki opts (Link txt (src, _)) = do
where src' = case src of
'/':xs -> xs -- with leading / it's a
_ -> src -- link to a help page
-inlineToMediaWiki opts (Image alt (source, tit)) = do
- alt' <- inlineListToMediaWiki opts alt
+inlineToMediaWiki (Image alt (source, tit)) = do
+ alt' <- inlineListToMediaWiki alt
let txt = if (null tit)
then if null alt
then ""
@@ -407,8 +406,8 @@ inlineToMediaWiki opts (Image alt (source, tit)) = do
else "|" ++ tit
return $ "[[Image:" ++ source ++ txt ++ "]]"
-inlineToMediaWiki opts (Note contents) = do
- contents' <- blockListToMediaWiki opts contents
+inlineToMediaWiki (Note contents) = do
+ contents' <- blockListToMediaWiki contents
modify (\s -> s { stNotes = True })
return $ "<ref>" ++ contents' ++ "</ref>"
-- note - may not work for notes with multiple blocks