+{-# LANGUAGE
+ Arrows
+ , OverloadedStrings
+ , ScopedTypeVariables
+ , TypeOperators
+ , UnicodeSyntax
+ #-}
module Rakka.Wiki.Engine
( InterpTable
- , xmlizePage
, makeMainXHTML
, makeSubXHTML
+ , makePreviewXHTML
+ , makePageLinkList
, makeDraft
)
where
-
-import Control.Arrow
-import Control.Arrow.ArrowIO
-import Control.Arrow.ArrowList
+import Control.Applicative
+import Control.Arrow
+import Control.Arrow.ArrowIO
+import Control.Arrow.ArrowList
+import Control.Arrow.Unicode
+import Control.Monad.Unicode
+import qualified Codec.Binary.UTF8.String as UTF8
+import qualified Data.ByteString.Lazy as Lazy
+import qualified Data.ByteString.Lazy.Char8 as L8 hiding (ByteString)
import Data.Map (Map)
import qualified Data.Map as M
import Data.Maybe
+import Data.Monoid.Unicode
+import Data.Text (Text)
+import qualified Data.Text as T
import Network.HTTP.Lucu
import Network.URI
+import OpenSSL.EVP.Base64
+import Prelude.Unicode
import Rakka.Page
import Rakka.Storage
import Rakka.SystemConfig
import Rakka.Wiki.Interpreter
import Text.HyperEstraier hiding (getText)
import Text.ParserCombinators.Parsec
-import Text.XML.HXT.Arrow.XmlArrow hiding (err)
-import Text.XML.HXT.Arrow.XmlNodeSet
-import Text.XML.HXT.DOM.TypeDefs
-
-
-type InterpTable = Map String Interpreter
+import Text.XML.HXT.Arrow.XmlArrow hiding (err)
+import Text.XML.HXT.DOM.TypeDefs
+import Text.XML.HXT.XPath
+type InterpTable = Map Text Interpreter
-wikifyPage :: (ArrowXml a, ArrowChoice a) => InterpTable -> a XmlTree WikiPage
+wikifyPage ∷ (ArrowXml (⇝), ArrowChoice (⇝)) ⇒ InterpTable → XmlTree ⇝ WikiPage
wikifyPage interpTable
= proc tree
- -> do pName <- getXPathTreesInDoc "/page/@name/text()" >>> getText -< tree
- pType <- getXPathTreesInDoc "/page/@type/text()" >>> getText >>> arr read -< tree
- pFileName <- maybeA (getXPathTreesInDoc "/page/fileName/text()" >>> getText) -< tree
- textData <- maybeA (getXPathTreesInDoc "/page/textData/text()" >>> getText) -< tree
- base64Data <- maybeA (getXPathTreesInDoc "/page/binaryData/text()" >>> getText) -< tree
-
- let dataURI = fmap (binToURI pType) base64Data
-
- case pType of
- MIMEType "text" "x-rakka" _
- -> case parse (wikiPage cmdTypeOf) "" (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] ]
-
- _ -> if isJust dataURI then
- -- <a href="data:application/zip;base64,...">foo.zip</a>
- returnA -< [ Paragraph [ Anchor
- [("href", show dataURI)]
- [Text (fromMaybe (defaultFileName pType pName) pFileName)]
- ]
- ]
- else
- -- pre
- returnA -< [ Preformatted [Text $ fromJust textData] ]
- where
- cmdTypeOf :: String -> Maybe CommandType
- cmdTypeOf name
- = fmap commandType (M.lookup name interpTable)
+ → 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 = binToURI pType <$> base64Data
+ 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] ]
+
+ _ → if isJust dataURI then
+ -- <a href="data:application/zip;base64,...">
+ -- application/zip
+ -- </a>
+ returnA ⤙ [ Paragraph [ Anchor
+ [("href", T.pack $ show dataURI)]
+ [Text (T.pack $ show pType)]
+ ]
+ ]
+ else
+ -- pre
+ returnA ⤙ [ Preformatted [Text ∘ T.pack $ fromJust textData] ]
+ where
binToURI :: MIMEType -> String -> URI
binToURI pType base64Data
= nullURI {
| otherwise = x : stripWhiteSpace xs
-makeMainXHTML :: (ArrowXml a, ArrowChoice a, ArrowIO a) =>
- Storage
- -> SystemConfig
- -> InterpTable
- -> a XmlTree XmlTree
+wikifyBin :: (ArrowXml (⇝), ArrowChoice (⇝)) ⇒ InterpTable → (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", T.pack $ show dataURI)]
+ [Text (T.concat [ T.pack $ show pType
+ , "("
+ , T.pack ∘ show $ Lazy.length pBin
+ , " bytes)"
+ ])]
+ ]
+ ]
+ where
+ binToURI :: MIMEType -> Lazy.ByteString -> URI
+ binToURI m b
+ = nullURI {
+ uriScheme = "data:"
+ , uriPath = show m ++ ";base64," ++ (L8.unpack $ encodeBase64LBS b)
+ }
+
+cmdTypeOf ∷ Alternative f ⇒ InterpTable → Text → f CommandType
+cmdTypeOf interpTable name
+ = case M.lookup name interpTable of
+ Just t → pure $ commandType t
+ Nothing → empty
+
+makeMainXHTML ∷ (ArrowXml (⇝), ArrowChoice (⇝), ArrowIO (⇝))
+ ⇒ Storage
+ → SystemConfig
+ → InterpTable
+ → 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, wiki), wiki)
- formatWikiBlocks -< (baseURI, interpreted)
+ → do BaseURI baseURI ← getSysConfA sysConf ⤙ ()
+ wiki ← wikifyPage interpTable ⤙ tree
+ pName ← getXPathTreesInDoc "/page/@name/text()" ⋙ getText ⤙ tree
+ interpreted ← interpretCommands sto sysConf interpTable
+ ⤙ (Just (T.pack 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
+ -> a (Maybe PageName, Maybe XmlTree, XmlTree) XmlTree
makeSubXHTML sto sysConf interpTable
= proc (mainPageName, mainPage, subPage)
-> do BaseURI baseURI <- getSysConfA sysConf -< ()
-> returnA -< Nothing
subWiki <- wikifyPage interpTable -< subPage
interpreted <- interpretCommands sto sysConf interpTable
- -< (mainPageName, mainWiki, subWiki)
+ -< (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
+ -< (Just name, Nothing, Just wiki, wiki)
formatWikiBlocks -< (baseURI, interpreted)
Storage
-> SystemConfig
-> InterpTable
- -> a (PageName, Maybe (XmlTree, WikiPage), WikiPage) WikiPage
+ -> a (Maybe PageName, Maybe XmlTree, Maybe WikiPage, WikiPage) WikiPage
interpretCommands sto sysConf interpTable
- = proc (name, mainPageAndWiki, targetWiki)
+ = proc (name, mainPage, mainWiki, targetWiki)
-> let ctx = InterpreterContext {
ctxPageName = name
- , ctxMainPage = fmap fst mainPageAndWiki
- , ctxMainWiki = fmap snd mainPageAndWiki
+ , ctxMainPage = mainPage
+ , ctxMainWiki = mainWiki
, ctxTargetWiki = targetWiki
, ctxStorage = sto
, ctxSysConf = sysConf
desc' <- mapM (interpInline ctx) desc
return (Definition term' desc')
- interpBlockCommand :: InterpreterContext -> BlockCommand -> IO BlockElement
+ interpBlockCommand ∷ InterpreterContext → BlockCommand → IO BlockElement
interpBlockCommand ctx cmd
= case M.lookup (bCmdName cmd) interpTable of
Nothing
- -> fail ("no such interpreter: " ++ bCmdName cmd)
+ → fail ("no such interpreter: " ⊕ T.unpack (bCmdName cmd))
Just interp
- -> bciInterpret interp ctx cmd
- >>=
- interpBlock ctx
+ → bciInterpret interp ctx cmd
+ ≫=
+ interpBlock ctx
- interpInlineCommand :: InterpreterContext -> InlineCommand -> IO InlineElement
+ interpInlineCommand ∷ InterpreterContext → InlineCommand → IO InlineElement
interpInlineCommand ctx cmd
= case M.lookup (iCmdName cmd) interpTable of
Nothing
- -> fail ("no such interpreter: " ++ iCmdName cmd)
+ → fail ("no such interpreter: " ⊕ T.unpack (iCmdName cmd))
Just interp
- -> iciInterpret interp ctx cmd
- >>=
- interpInline ctx
+ → iciInterpret interp ctx cmd ≫= interpInline ctx
-
-makeDraft :: (ArrowXml a, ArrowChoice a, ArrowIO a) => InterpTable -> a XmlTree Document
+makeDraft ∷ ∀(⇝). (ArrowXml (⇝), ArrowChoice (⇝), ArrowIO (⇝)) ⇒ InterpTable → XmlTree ⇝ Document
makeDraft interpTable
- = proc tree ->
- do doc <- arrIO0 newDocument -< ()
+ = proc tree →
+ do redir ← maybeA (getXPathTreesInDoc "/page/@redirect") ⤙ tree
+ case redir of
+ Nothing → makeEntityDraft ⤙ tree
+ Just _ → makeRedirectDraft ⤙ tree
+ where
+ makeEntityDraft ∷ 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
- pIsBoring <- getXPathTreesInDoc "/page/@isBoring/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:isBoring") -< (doc, Just pIsBoring)
- 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)
+ 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
+ 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 $ T.pack pName )
+ arrIO2 (flip setAttribute "@title" ) ⤙ (doc, Just $ T.pack pName )
+ arrIO2 (flip setAttribute "@type" ) ⤙ (doc, Just $ T.pack pType )
+ arrIO2 (flip setAttribute "@mdate" ) ⤙ (doc, Just $ T.pack pLastMod )
+ arrIO2 (flip setAttribute "@lang" ) ⤙ (doc, T.pack <$> pLang)
+ arrIO2 (flip setAttribute "rakka:isLocked") ⤙ (doc, Just $ T.pack pIsLocked)
+ arrIO2 (flip setAttribute "rakka:isBinary") ⤙ (doc, Just $ T.pack pIsBinary)
+ arrIO2 (flip setAttribute "rakka:revision") ⤙ (doc, Just $ T.pack pRevision)
+ arrIO2 (flip setAttribute "rakka:summary" ) ⤙ (doc, T.pack <$> pSummary)
+
+ arrIO2 addHiddenText ⤙ (doc, T.pack pName)
+
+ case pSummary of
+ Just s → arrIO2 addHiddenText ⤙ (doc, T.pack s)
+ Nothing → returnA ⤙ ()
+
+ -- otherLang はリンク先ページ名を hidden text で入れる。
+ otherLangs ← listA (getXPathTreesInDoc "/page/otherLang/link/@page/text()" ⋙ getText) ⤙ tree
+ listA ( (arr fst &&& arrL snd)
+ ⋙
+ arrIO2 addHiddenText
+ ⋙
+ none
+ ) ⤙ (doc, T.pack <$> otherLangs)
+
+ case read pType of
+ MIMEType "text" "css" _
+ → arrIO2 (flip setAttribute "rakka:isTheme") ⤙ (doc, T.pack <$> pIsTheme)
- MIMEType "text" "x-rakka" _
- -- wikify して興味のある部分を addText する。
- -> do arrIO2 (flip setAttribute "rakka:isFeed") -< (doc, pIsFeed)
- wiki <- wikifyPage interpTable -< tree
- arrIO2 (mapM_ . addBlockText) -< (doc, wiki)
+ MIMEType "text" "x-rakka" _
+ -- wikify して興味のある部分を addText する。
+ → do arrIO2 (flip setAttribute "rakka:isFeed") ⤙ (doc, T.pack <$> pIsFeed)
+ wiki ← wikifyPage interpTable ⤙ tree
+ arrIO2 (mapM_ ∘ addBlockText) ⤙ (doc, wiki)
- MIMEType _ _ _
- -> returnA -< ()
+ MIMEType _ _ _
+ → returnA ⤙ ()
+
+ returnA ⤙ doc
+
+ makeRedirectDraft ∷ XmlTree ⇝ Document
+ makeRedirectDraft
+ = proc tree →
+ do doc ← arrIO0 newDocument ⤙ ()
+
+ pName ← getXPathTreesInDoc "/page/@name/text()" ⋙ getText ⤙ tree
+ pRedir ← getXPathTreesInDoc "/page/@redirect/text()" ⋙ getText ⤙ tree
+ pIsLocked ← getXPathTreesInDoc "/page/@isLocked/text()" ⋙ getText ⤙ tree
+ pRevision ← getXPathTreesInDoc "/page/@revision/text()" ⋙ getText ⤙ tree
+ pLastMod ← getXPathTreesInDoc "/page/@lastModified/text()" ⋙ getText ⤙ tree
+
+ arrIO2 setURI -< (doc, Just ∘ mkRakkaURI $ T.pack pName )
+ arrIO2 (flip setAttribute "@title" ) -< (doc, Just $ T.pack pName )
+ arrIO2 (flip setAttribute "@type" ) -< (doc, Just "application/x-rakka-redirection")
+ arrIO2 (flip setAttribute "@mdate" ) -< (doc, Just $ T.pack pLastMod )
+ arrIO2 (flip setAttribute "rakka:isLocked") -< (doc, Just $ T.pack pIsLocked )
+ arrIO2 (flip setAttribute "rakka:revision") -< (doc, Just $ T.pack 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, T.pack pRedir)
+
+ returnA ⤙ doc
- returnA -< doc
- where
addElemText :: Document -> Element -> IO ()
addElemText doc (Block b) = addBlockText doc b
addElemText doc (Inline i) = addInlineText doc i
addBlockText _ EmptyBlock = return ()
addBlockText doc (BlockCmd bcmd) = addBlockCmdText doc bcmd
- addInlineText :: Document -> InlineElement -> IO ()
+ 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
+ *> addText doc text
+ addInlineText doc (PageLink page fragm Nothing) = addText doc (fromMaybe (∅) page ⊕ maybe (∅) (T.cons '#') fragm)
+ addInlineText doc (PageLink page fragm (Just text)) = addHiddenText doc (fromMaybe (∅) page ⊕ maybe (∅) (T.cons '#') fragm)
+ *> addText doc text
+ addInlineText doc (ExternalLink uri Nothing) = addText doc (T.pack $ uriToString id uri "")
+ addInlineText doc (ExternalLink uri (Just text)) = addHiddenText doc (T.pack $ 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 "")
+ Left uri -> addHiddenText doc (T.pack $ uriToString id uri "")
Right page -> addHiddenText doc page
case alt of
Just text -> addHiddenText doc text
addInlineCmdText doc (InlineCommand _ _ inlines) = mapM_ (addInlineText doc) inlines
-wikifyParseError :: Arrow a => a ParseError WikiPage
+makePageLinkList ∷ (ArrowXml (⇝), ArrowChoice (⇝), ArrowIO (⇝))
+ ⇒ Storage
+ → SystemConfig
+ → InterpTable
+ → XmlTree ⇝ [PageName]
+makePageLinkList sto sysConf interpTable
+ = proc tree
+ → do wiki ← wikifyPage interpTable ⤙ tree
+ pName ← getXPathTreesInDoc "/page/@name/text()" ⋙ getText ⤙ tree
+ interpreted ← interpretCommands sto sysConf interpTable
+ ⤙ (Just (T.pack pName), Just tree, Just wiki, wiki)
+ returnA ⤙ concatMap extractFromBlock interpreted
+ where
+ extractFromElem :: Element -> [PageName]
+ extractFromElem (Block b) = extractFromBlock b
+ extractFromElem (Inline i) = extractFromInline i
+
+ extractFromBlock :: BlockElement -> [PageName]
+ extractFromBlock (List _ items) = concatMap extractFromListItem items
+ extractFromBlock (DefinitionList defs) = concatMap extractFromDefinition defs
+ extractFromBlock (Preformatted inlines) = concatMap extractFromInline inlines
+ extractFromBlock (Paragraph inlines) = concatMap extractFromInline inlines
+ extractFromBlock (Div _ elems) = concatMap extractFromElem elems
+ extractFromBlock _ = []
+
+ extractFromInline :: InlineElement -> [PageName]
+ extractFromInline (Italic inlines) = concatMap extractFromInline inlines
+ extractFromInline (Bold inlines) = concatMap extractFromInline inlines
+ extractFromInline (Span _ inlines) = concatMap extractFromInline inlines
+ extractFromInline (PageLink (Just name) _ _) = [name]
+ extractFromInline _ = []
+
+ extractFromListItem :: ListItem -> [PageName]
+ extractFromListItem = concatMap extractFromElem
+
+ extractFromDefinition :: Definition -> [PageName]
+ extractFromDefinition (Definition term desc)
+ = concatMap extractFromInline term
+ ++
+ concatMap extractFromInline desc
+
+wikifyParseError ∷ Arrow (⇝) ⇒ ParseError ⇝ WikiPage
wikifyParseError = proc err
- -> returnA -< [Div [("class", "error")]
- [ Block (Preformatted [Text (show err)]) ]]
+ → returnA -< [Div [("class", "error")]
+ [ Block (Preformatted [Text (T.pack $ show err)]) ]]