module Rakka.Wiki.Engine
- ( formatPage
+ ( InterpTable
+ , makeMainXHTML
+ , makeSubXHTML
+ , makeDraft
+ , makePreviewXHTML
)
where
+import qualified Codec.Binary.Base64 as B64
+import qualified Codec.Binary.UTF8.String as UTF8
import Control.Arrow
-import Control.Arrow.ArrowTree
-import Data.Encoding
-import Data.Encoding.UTF8
+import Control.Arrow.ArrowIO
+import Control.Arrow.ArrowList
+import qualified Data.ByteString.Lazy as Lazy
+import Data.Map (Map)
+import qualified Data.Map as M
+import Data.Maybe
import Network.HTTP.Lucu
+import Network.URI
import Rakka.Page
+import Rakka.Storage
+import Rakka.SystemConfig
+import Rakka.Utils
+import Rakka.Wiki
import Rakka.Wiki.Parser
import Rakka.Wiki.Formatter
+import Rakka.Wiki.Interpreter
+import Text.HyperEstraier hiding (getText)
import Text.ParserCombinators.Parsec
-import Text.XML.HXT.Arrow.XmlArrow
+import Text.XML.HXT.Arrow.XmlArrow hiding (err)
+import Text.XML.HXT.Arrow.XmlNodeSet
import Text.XML.HXT.DOM.TypeDefs
-formatPage :: (ArrowXml a, ArrowChoice a) =>
- a Page XmlTree
-formatPage
- = proc page
- -> do tree <- case pageType page of
- MIMEType "text" "x-rakka" _
- -> formatWikiPage -< page
- attachXHtmlNs -< tree
+type InterpTable = Map String Interpreter
-formatWikiPage :: (ArrowXml a, ArrowChoice a) =>
- a Page XmlTree
-formatWikiPage
- = proc page
- -> do let source = decodeLazy UTF8 (pageContent page)
- case parse wikiPage "" source of
- Left err -> formatParseError -< err
- Right elems -> formatWikiElements -< elems
+wikifyPage :: (ArrowXml a, ArrowChoice a) => InterpTable -> a XmlTree WikiPage
+wikifyPage interpTable
+ = proc tree
+ -> do pType <- getXPathTreesInDoc "/page/@type/text()" >>> getText >>> arr read -< tree
+ textData <- maybeA (getXPathTreesInDoc "/page/textData/text()" >>> getText) -< tree
+ base64Data <- maybeA (getXPathTreesInDoc "/page/binaryData/text()" >>> getText) -< tree
+ let dataURI = fmap (binToURI pType) base64Data
-formatParseError :: ArrowXml a => a ParseError XmlTree
-formatParseError
- = proc err -> (eelem "pre" += txt (show err)) -<< ()
+ case pType of
+ MIMEType "text" "x-rakka" _
+ -> case parse (wikiPage $ cmdTypeOf interpTable) "" (fromJust textData) of
+ Left err -> wikifyParseError -< err
+ Right xs -> returnA -< xs
+ MIMEType "image" _ _
+ -- <img src="data:image/png;base64,..." />
+ -> returnA -< [ Paragraph [Image (Left $ fromJust dataURI) Nothing] ]
-attachXHtmlNs :: ArrowXml a => a XmlTree XmlTree
-attachXHtmlNs = processBottomUp (changeQName attach')
+ _ -> if isJust dataURI then
+ -- <a href="data:application/zip;base64,...">
+ -- application/zip
+ -- </a>
+ returnA -< [ Paragraph [ Anchor
+ [("href", show dataURI)]
+ [Text (show pType)]
+ ]
+ ]
+ else
+ -- pre
+ returnA -< [ Preformatted [Text $ fromJust textData] ]
where
- attach' :: QName -> QName
- attach' qn = qn {
- namePrefix = "xhtml"
- , namespaceUri = "http://www.w3.org/1999/xhtml"
- }
+ binToURI :: MIMEType -> String -> URI
+ binToURI pType base64Data
+ = nullURI {
+ uriScheme = "data:"
+ , uriPath = show pType ++ ";base64," ++ (stripWhiteSpace base64Data)
+ }
+
+ stripWhiteSpace :: String -> String
+ stripWhiteSpace [] = []
+ stripWhiteSpace (x:xs)
+ | x `elem` " \t\n" = stripWhiteSpace xs
+ | otherwise = x : stripWhiteSpace xs
+
+
+wikifyBin :: (ArrowXml a, ArrowChoice a) => InterpTable -> a (MIMEType, Lazy.ByteString) WikiPage
+wikifyBin interpTable
+ = proc (pType, pBin)
+ -> do let text = UTF8.decode $ Lazy.unpack pBin
+ dataURI = binToURI pType pBin
+
+ case pType of
+ MIMEType "text" "x-rakka" _
+ -> case parse (wikiPage $ cmdTypeOf interpTable) "" text of
+ Left err -> wikifyParseError -< err
+ Right xs -> returnA -< xs
+
+ MIMEType "image" _ _
+ -- <img src="data:image/png;base64,..." />
+ -> returnA -< [ Paragraph [Image (Left dataURI) Nothing] ]
+
+
+ _
+ -- <a href="data:application/zip;base64,...">
+ -- application/zip (19372 bytes)
+ -- </a>
+ -> returnA -< [ Paragraph [ Anchor
+ [("href", show dataURI)]
+ [Text (show pType ++
+ " (" ++
+ show (Lazy.length pBin) ++
+ " bytes)")]
+ ]
+ ]
+ where
+ binToURI :: MIMEType -> Lazy.ByteString -> URI
+ binToURI m b
+ = nullURI {
+ uriScheme = "data:"
+ , uriPath = show m ++ ";base64," ++ B64.encode (Lazy.unpack b)
+ }
+
+
+cmdTypeOf :: InterpTable -> String -> Maybe CommandType
+cmdTypeOf interpTable name
+ = fmap commandType (M.lookup name interpTable)
+
+
+makeMainXHTML :: (ArrowXml a, ArrowChoice a, ArrowIO a) =>
+ Storage
+ -> SystemConfig
+ -> InterpTable
+ -> a XmlTree XmlTree
+makeMainXHTML sto sysConf interpTable
+ = proc tree
+ -> do BaseURI baseURI <- getSysConfA sysConf -< ()
+ wiki <- wikifyPage interpTable -< tree
+ pName <- getXPathTreesInDoc "/page/@name/text()" >>> getText -< tree
+ interpreted <- interpretCommands sto sysConf interpTable
+ -< (pName, Just tree, Just wiki, wiki)
+ formatWikiBlocks -< (baseURI, interpreted)
+
+
+makeSubXHTML :: (ArrowXml a, ArrowChoice a, ArrowIO a) =>
+ Storage
+ -> SystemConfig
+ -> InterpTable
+ -> a (PageName, Maybe XmlTree, XmlTree) XmlTree
+makeSubXHTML sto sysConf interpTable
+ = proc (mainPageName, mainPage, subPage)
+ -> do BaseURI baseURI <- getSysConfA sysConf -< ()
+ mainWiki <- case mainPage of
+ Just page
+ -> do wiki <- wikifyPage interpTable -< page
+ returnA -< Just (page, wiki)
+ Nothing
+ -> returnA -< Nothing
+ subWiki <- wikifyPage interpTable -< subPage
+ interpreted <- interpretCommands sto sysConf interpTable
+ -< (mainPageName, fmap fst mainWiki, fmap snd mainWiki, subWiki)
+ formatWikiBlocks -< (baseURI, interpreted)
+
+
+makePreviewXHTML :: (ArrowXml a, ArrowChoice a, ArrowIO a) =>
+ Storage
+ -> SystemConfig
+ -> InterpTable
+ -> a (PageName, MIMEType, Lazy.ByteString) XmlTree
+makePreviewXHTML sto sysConf interpTable
+ = proc (name, pageType, pageBin)
+ -> do BaseURI baseURI <- getSysConfA sysConf -< ()
+ wiki <- wikifyBin interpTable -< (pageType, pageBin)
+ interpreted <- interpretCommands sto sysConf interpTable
+ -< (name, Nothing, Just wiki, wiki)
+ formatWikiBlocks -< (baseURI, interpreted)
+
+
+interpretCommands :: (ArrowXml a, ArrowChoice a, ArrowIO a) =>
+ Storage
+ -> SystemConfig
+ -> InterpTable
+ -> a (PageName, Maybe XmlTree, Maybe WikiPage, WikiPage) WikiPage
+interpretCommands sto sysConf interpTable
+ = proc (name, mainPage, mainWiki, targetWiki)
+ -> let ctx = InterpreterContext {
+ ctxPageName = name
+ , ctxMainPage = mainPage
+ , ctxMainWiki = mainWiki
+ , ctxTargetWiki = targetWiki
+ , ctxStorage = sto
+ , ctxSysConf = sysConf
+ }
+ in
+ arrIO2 (mapM . interpBlock) -< (ctx, targetWiki)
+ where
+ interpElem :: InterpreterContext -> Element -> IO Element
+ interpElem ctx (Block b) = interpBlock ctx b >>= return . Block
+ interpElem ctx (Inline i) = interpInline ctx i >>= return . Inline
+
+ interpBlock :: InterpreterContext -> BlockElement -> IO BlockElement
+ interpBlock ctx (List lType lItems) = mapM (interpListItem ctx) lItems >>= return . List lType
+ interpBlock ctx (DefinitionList defs) = mapM (interpDefinition ctx) defs >>= return . DefinitionList
+ interpBlock ctx (Preformatted inlines) = mapM (interpInline ctx) inlines >>= return . Preformatted
+ interpBlock ctx (Paragraph inlines) = mapM (interpInline ctx) inlines >>= return . Paragraph
+ interpBlock ctx (Div attrs elems) = mapM (interpElem ctx) elems >>= return . Div attrs
+ interpBlock ctx (BlockCmd bcmd) = interpBlockCommand ctx bcmd
+ interpBlock _ x = return x
+
+ interpInline :: InterpreterContext -> InlineElement -> IO InlineElement
+ interpInline ctx (Italic inlines) = mapM (interpInline ctx) inlines >>= return . Italic
+ interpInline ctx (Bold inlines) = mapM (interpInline ctx) inlines >>= return . Bold
+ interpInline ctx (Span attrs inlines) = mapM (interpInline ctx) inlines >>= return . Span attrs
+ interpInline ctx (Anchor attrs inlines) = mapM (interpInline ctx) inlines >>= return . Anchor attrs
+ interpInline ctx (InlineCmd icmd) = interpInlineCommand ctx icmd
+ interpInline _ x = return x
+
+ interpListItem :: InterpreterContext -> ListItem -> IO ListItem
+ interpListItem = mapM . interpElem
+
+ interpDefinition :: InterpreterContext -> Definition -> IO Definition
+ interpDefinition ctx (Definition term desc)
+ = do term' <- mapM (interpInline ctx) term
+ desc' <- mapM (interpInline ctx) desc
+ return (Definition term' desc')
+
+ interpBlockCommand :: InterpreterContext -> BlockCommand -> IO BlockElement
+ interpBlockCommand ctx cmd
+ = case M.lookup (bCmdName cmd) interpTable of
+ Nothing
+ -> fail ("no such interpreter: " ++ bCmdName cmd)
+
+ Just interp
+ -> bciInterpret interp ctx cmd
+ >>=
+ interpBlock ctx
+
+ interpInlineCommand :: InterpreterContext -> InlineCommand -> IO InlineElement
+ interpInlineCommand ctx cmd
+ = case M.lookup (iCmdName cmd) interpTable of
+ Nothing
+ -> fail ("no such interpreter: " ++ iCmdName cmd)
+
+ Just interp
+ -> iciInterpret interp ctx cmd
+ >>=
+ interpInline ctx
+
+
+makeDraft :: (ArrowXml a, ArrowChoice a, ArrowIO a) => InterpTable -> a XmlTree Document
+makeDraft interpTable
+ = proc tree ->
+ do redir <- maybeA (getXPathTreesInDoc "/page/@redirect") -< tree
+ case redir of
+ Nothing -> makeEntityDraft -< tree
+ Just _ -> makeRedirectDraft -< tree
+ where
+ makeEntityDraft :: (ArrowXml a, ArrowChoice a, ArrowIO a) => a XmlTree Document
+ makeEntityDraft
+ = proc tree ->
+ do doc <- arrIO0 newDocument -< ()
+
+ pName <- getXPathTreesInDoc "/page/@name/text()" >>> getText -< tree
+ pType <- getXPathTreesInDoc "/page/@type/text()" >>> getText -< tree
+ pLastMod <- getXPathTreesInDoc "/page/@lastModified/text()" >>> getText -< tree
+ pIsLocked <- getXPathTreesInDoc "/page/@isLocked/text()" >>> getText -< tree
+ pIsBinary <- getXPathTreesInDoc "/page/@isBinary/text()" >>> getText -< tree
+ pRevision <- getXPathTreesInDoc "/page/@revision/text()" >>> getText -< tree
+ pLang <- maybeA (getXPathTreesInDoc "/page/@lang/text()" >>> getText) -< tree
+ pFileName <- maybeA (getXPathTreesInDoc "/page/@fileName/text()" >>> getText) -< tree
+ pIsTheme <- maybeA (getXPathTreesInDoc "/page/@isTheme/text()" >>> getText) -< tree
+ pIsFeed <- maybeA (getXPathTreesInDoc "/page/@isFeed/text()" >>> getText) -< tree
+ pSummary <- maybeA (getXPathTreesInDoc "/page/summary/text()" >>> getText) -< tree
+
+ arrIO2 setURI -< (doc, Just $ mkRakkaURI pName)
+ arrIO2 (flip setAttribute "@title" ) -< (doc, Just pName)
+ arrIO2 (flip setAttribute "@type" ) -< (doc, Just pType)
+ arrIO2 (flip setAttribute "@mdate" ) -< (doc, Just pLastMod)
+ arrIO2 (flip setAttribute "@lang" ) -< (doc, pLang)
+ arrIO2 (flip setAttribute "rakka:fileName") -< (doc, pFileName)
+ arrIO2 (flip setAttribute "rakka:isLocked") -< (doc, Just pIsLocked)
+ arrIO2 (flip setAttribute "rakka:isBinary") -< (doc, Just pIsBinary)
+ arrIO2 (flip setAttribute "rakka:revision") -< (doc, Just pRevision)
+ arrIO2 (flip setAttribute "rakka:summary" ) -< (doc, pSummary)
+
+ arrIO2 addHiddenText -< (doc, pName)
+
+ case pSummary of
+ Just s -> arrIO2 addHiddenText -< (doc, s)
+ Nothing -> returnA -< ()
+
+ -- otherLang はリンク先ページ名を hidden text で入れる。
+ otherLangs <- listA (getXPathTreesInDoc "/page/otherLang/link/@page/text()" >>> getText) -< tree
+ listA ( (arr fst &&& arrL snd)
+ >>>
+ arrIO2 addHiddenText
+ >>>
+ none
+ ) -< (doc, otherLangs)
+
+ case read pType of
+ MIMEType "text" "css" _
+ -> arrIO2 (flip setAttribute "rakka:isTheme") -< (doc, pIsTheme)
+
+ MIMEType "text" "x-rakka" _
+ -- wikify して興味のある部分を addText する。
+ -> do arrIO2 (flip setAttribute "rakka:isFeed") -< (doc, pIsFeed)
+ wiki <- wikifyPage interpTable -< tree
+ arrIO2 (mapM_ . addBlockText) -< (doc, wiki)
+
+ MIMEType _ _ _
+ -> returnA -< ()
+
+ returnA -< doc
+
+ makeRedirectDraft :: (ArrowXml a, ArrowChoice a, ArrowIO a) => a XmlTree Document
+ makeRedirectDraft
+ = proc tree ->
+ do doc <- arrIO0 newDocument -< ()
+
+ pName <- getXPathTreesInDoc "/page/@name/text()" >>> getText -< tree
+ pRedir <- getXPathTreesInDoc "/page/@redirect/text()" >>> getText -< tree
+ pRevision <- getXPathTreesInDoc "/page/@revision/text()" >>> getText -< tree
+ pLastMod <- getXPathTreesInDoc "/page/@lastModified/text()" >>> getText -< tree
+
+ arrIO2 setURI -< (doc, Just $ mkRakkaURI pName)
+ arrIO2 (flip setAttribute "@title" ) -< (doc, Just pName)
+ arrIO2 (flip setAttribute "@type" ) -< (doc, Just "application/x-rakka-redirection")
+ arrIO2 (flip setAttribute "@mdate" ) -< (doc, Just pLastMod)
+ arrIO2 (flip setAttribute "rakka:revision") -< (doc, Just pRevision)
+
+ -- リダイレクト先ページ名はテキストとして入れる
+ arrIO2 addText -< (doc, pRedir)
+
+ returnA -< doc
+
+ addElemText :: Document -> Element -> IO ()
+ addElemText doc (Block b) = addBlockText doc b
+ addElemText doc (Inline i) = addInlineText doc i
+
+ addBlockText :: Document -> BlockElement -> IO ()
+ addBlockText doc (Heading _ text) = addText doc text
+ addBlockText _ HorizontalLine = return ()
+ addBlockText doc (List _ items) = mapM_ (addListItemText doc) items
+ addBlockText doc (DefinitionList defs) = mapM_ (addDefinitionText doc) defs
+ addBlockText doc (Preformatted inlines) = mapM_ (addInlineText doc) inlines
+ addBlockText doc (Paragraph inlines) = mapM_ (addInlineText doc) inlines
+ addBlockText doc (Div _ elems) = mapM_ (addElemText doc) elems
+ addBlockText _ EmptyBlock = return ()
+ addBlockText doc (BlockCmd bcmd) = addBlockCmdText doc bcmd
+
+ addInlineText :: Document -> InlineElement -> IO ()
+ addInlineText doc (Text text) = addText doc text
+ addInlineText doc (Italic inlines) = mapM_ (addInlineText doc) inlines
+ addInlineText doc (Bold inlines) = mapM_ (addInlineText doc) inlines
+ addInlineText doc (ObjectLink page Nothing) = addText doc page
+ addInlineText doc (ObjectLink page (Just text)) = addHiddenText doc page
+ >> addText doc text
+ addInlineText doc (PageLink page fragm Nothing) = addText doc (fromMaybe "" page ++ fromMaybe "" fragm)
+ addInlineText doc (PageLink page fragm (Just text)) = addHiddenText doc (fromMaybe "" page ++ fromMaybe "" fragm)
+ >> addText doc text
+ addInlineText doc (ExternalLink uri Nothing) = addText doc (uriToString id uri "")
+ addInlineText doc (ExternalLink uri (Just text)) = addHiddenText doc (uriToString id uri "")
+ >> addText doc text
+ addInlineText _ (LineBreak _) = return ()
+ addInlineText doc (Span _ inlines) = mapM_ (addInlineText doc) inlines
+ addInlineText doc (Image src alt) = do case src of
+ Left uri -> addHiddenText doc (uriToString id uri "")
+ Right page -> addHiddenText doc page
+ case alt of
+ Just text -> addHiddenText doc text
+ Nothing -> return ()
+ addInlineText doc (Anchor _ inlines) = mapM_ (addInlineText doc) inlines
+ addInlineText _ (Input _) = return ()
+ addInlineText _ EmptyInline = return ()
+ addInlineText doc (InlineCmd icmd) = addInlineCmdText doc icmd
+
+ addListItemText :: Document -> ListItem -> IO ()
+ addListItemText = mapM_ . addElemText
+
+ addDefinitionText :: Document -> Definition -> IO ()
+ addDefinitionText doc (Definition term desc)
+ = do mapM_ (addInlineText doc) term
+ mapM_ (addInlineText doc) desc
+
+ addBlockCmdText :: Document -> BlockCommand -> IO ()
+ addBlockCmdText doc (BlockCommand _ _ blocks) = mapM_ (addBlockText doc) blocks
+
+ addInlineCmdText :: Document -> InlineCommand -> IO ()
+ addInlineCmdText doc (InlineCommand _ _ inlines) = mapM_ (addInlineText doc) inlines
+
+
+wikifyParseError :: Arrow a => a ParseError WikiPage
+wikifyParseError = proc err
+ -> returnA -< [Div [("class", "error")]
+ [ Block (Preformatted [Text (show err)]) ]]
projects / Rakka.git / blobdiff