32 import qualified Codec.Binary.Base64 as B64
33 import Codec.Binary.UTF8.String
35 import Control.Arrow.ArrowIO
36 import Control.Arrow.ArrowList
37 import qualified Data.ByteString.Lazy as Lazy (ByteString)
38 import qualified Data.ByteString.Lazy as L hiding (ByteString)
41 import qualified Data.Map as M
44 import Network.HTTP.Lucu hiding (redirect)
45 import Network.URI hiding (fragment)
47 import Rakka.W3CDateTime
48 import Subversion.Types
49 import System.FilePath.Posix
50 import Text.XML.HXT.Arrow.XmlArrow
51 import Text.XML.HXT.Arrow.XmlNodeSet
52 import Text.XML.HXT.DOM.TypeDefs
55 type PageName = String
57 type LanguageTag = String -- See RFC 3066: http://www.ietf.org/rfc/rfc3066.txt
58 type LanguageName = String -- i.e. "日本語"
63 redirName :: !PageName
64 , redirDest :: !PageName
65 , redirRevision :: RevNum
66 , redirLastMod :: UTCTime
67 , redirUpdateInfo :: Maybe UpdateInfo
70 entityName :: !PageName
71 , entityType :: !MIMEType
72 , entityLanguage :: !(Maybe LanguageTag)
73 , entityFileName :: !(Maybe String)
74 , entityIsTheme :: !Bool -- text/css 以外では無意味
75 , entityIsFeed :: !Bool -- text/x-rakka 以外では無意味
76 , entityIsLocked :: !Bool
77 , entityIsBoring :: !Bool
78 , entityIsBinary :: !Bool
79 , entityRevision :: RevNum
80 , entityLastMod :: UTCTime
81 , entitySummary :: !(Maybe String)
82 , entityOtherLang :: !(Map LanguageTag PageName)
83 , entityContent :: !Lazy.ByteString
84 , entityUpdateInfo :: Maybe UpdateInfo
91 uiOldRevision :: !RevNum
92 , uiOldName :: !(Maybe PageName)
97 isRedirect :: Page -> Bool
98 isRedirect (Redirection _ _ _ _ _) = True
102 isEntity :: Page -> Bool
103 isEntity (Entity _ _ _ _ _ _ _ _ _ _ _ _ _ _ _) = True
107 pageName :: Page -> PageName
109 | isRedirect p = redirName p
110 | isEntity p = entityName p
111 | otherwise = fail "neither redirection nor entity"
114 pageUpdateInfo :: Page -> Maybe UpdateInfo
116 | isRedirect p = redirUpdateInfo p
117 | isEntity p = entityUpdateInfo p
118 | otherwise = fail "neither redirection nor entity"
121 -- UTF-8 に encode してから 0x20 - 0x7E の範圍を除いて URI escape する。
122 encodePageName :: PageName -> FilePath
123 encodePageName = escapeURIString isSafeChar . encodeString . fixPageName
125 fixPageName :: PageName -> PageName
126 fixPageName = (\ (x:xs) -> toUpper x : xs) . map (\ c -> if c == ' ' then '_' else c)
129 isSafeChar :: Char -> Bool
132 | isReserved c = False
133 | c > ' ' && c <= '~' = True
137 -- URI unescape して UTF-8 から decode する。
138 decodePageName :: FilePath -> PageName
139 decodePageName = decodeString . unEscapeString
142 encodeFragment :: String -> String
143 encodeFragment = escapeURIString isSafeChar . encodeString
146 entityFileName' :: Page -> String
148 = fromMaybe (defaultFileName (entityType page) (entityName page)) (entityFileName page)
151 defaultFileName :: MIMEType -> PageName -> String
152 defaultFileName pType pName
153 = let baseName = takeFileName pName
156 MIMEType "text" "x-rakka" _ -> baseName <.> "rakka"
157 MIMEType "text" "css" _ -> baseName <.> "css"
161 mkPageURI :: URI -> PageName -> URI
162 mkPageURI baseURI name
164 uriPath = foldl (</>) "/" [uriPath baseURI, encodePageName name ++ ".html"]
168 mkPageFragmentURI :: URI -> PageName -> String -> URI
169 mkPageFragmentURI baseURI name fragment
171 uriPath = foldl (</>) "/" [uriPath baseURI, encodePageName name ++ ".html"]
172 , uriFragment = ('#' : encodeFragment fragment)
176 mkFragmentURI :: String -> URI
177 mkFragmentURI fragment
179 uriFragment = ('#' : encodeFragment fragment)
183 mkObjectURI :: URI -> PageName -> URI
184 mkObjectURI baseURI name
185 = mkAuxiliaryURI baseURI ["object"] name
188 mkAuxiliaryURI :: URI -> [String] -> PageName -> URI
189 mkAuxiliaryURI baseURI basePath name
191 uriPath = foldl (</>) "/" ([uriPath baseURI] ++ basePath ++ [encodePageName name])
195 mkRakkaURI :: PageName -> URI
196 mkRakkaURI name = URI {
198 , uriAuthority = Nothing
199 , uriPath = encodePageName name
208 lang="ja" -- 存在しない場合もある
209 fileName="bar.rakka" -- 存在しない場合もある
210 isTheme="no" -- text/css の場合のみ存在
211 isFeed="no" -- text/x-rakka の場合のみ存在
214 revision="112"> -- デフォルトでない場合のみ存在
215 lastModified="2000-01-01T00:00:00">
219 </summary> -- 存在しない場合もある
221 <otherLang> -- 存在しない場合もある
222 <link lang="ja" page="Bar/Baz" />
230 SKJaHKS8JK/DH8KS43JDK2aKKaSFLLS...
234 xmlizePage :: (ArrowXml a, ArrowChoice a, ArrowIO a) => a Page XmlTree
237 -> do lastMod <- arrIO (utcToLocalZonedTime . entityLastMod) -< page
240 += sattr "name" (pageName page)
241 += sattr "type" (show $ entityType page)
242 += ( case entityLanguage page of
243 Just x -> sattr "lang" x
246 += ( case entityFileName page of
247 Just x -> sattr "fileName" x
250 += ( case entityType page of
251 MIMEType "text" "css" _
252 -> sattr "isTheme" (yesOrNo $ entityIsTheme page)
253 MIMEType "text" "x-rakka" _
254 -> sattr "isFeed" (yesOrNo $ entityIsFeed page)
258 += sattr "isLocked" (yesOrNo $ entityIsLocked page)
259 += sattr "isBoring" (yesOrNo $ entityIsBoring page)
260 += sattr "isBinary" (yesOrNo $ entityIsBinary page)
261 += sattr "revision" (show $ entityRevision page)
262 += sattr "lastModified" (formatW3CDateTime lastMod)
263 += ( case entitySummary page of
264 Just s -> eelem "summary" += txt s
267 += ( if M.null (entityOtherLang page) then
274 | (lang, name) <- M.toList (entityOtherLang page) ]
276 += ( if entityIsBinary page then
278 += txt (B64.encode $ L.unpack $ entityContent page)
282 += txt (decode $ L.unpack $ entityContent page)
288 parseXmlizedPage :: (ArrowXml a, ArrowChoice a) => a (PageName, XmlTree) Page
291 -> do updateInfo <- maybeA parseUpdateInfo -< tree
292 redirect <- maybeA (getXPathTreesInDoc "/page/@redirect/text()" >>> getText) -< tree
294 Nothing -> parseEntity -< (name, tree)
295 Just dest -> returnA -< (Redirection {
298 , redirRevision = undefined
299 , redirLastMod = undefined
300 , redirUpdateInfo = updateInfo
304 parseEntity :: (ArrowXml a, ArrowChoice a) => a (PageName, XmlTree) Page
307 -> do updateInfo <- maybeA parseUpdateInfo -< tree
309 mimeType <- (getXPathTreesInDoc "/page/@type/text()" >>> getText
310 >>> arr read) -< tree
312 lang <- maybeA (getXPathTreesInDoc "/page/@lang/text()" >>> getText) -< tree
313 fileName <- maybeA (getXPathTreesInDoc "/page/@filename/text()" >>> getText) -< tree
315 isTheme <- (withDefault (getXPathTreesInDoc "/page/@isTheme/text()" >>> getText) "no"
316 >>> parseYesOrNo) -< tree
317 isFeed <- (withDefault (getXPathTreesInDoc "/page/@isFeed/text()" >>> getText) "no"
318 >>> parseYesOrNo) -< tree
319 isLocked <- (withDefault (getXPathTreesInDoc "/page/@isLocked/text()" >>> getText) "no"
320 >>> parseYesOrNo) -< tree
321 isBoring <- (withDefault (getXPathTreesInDoc "/page/@isBoring/text()" >>> getText) "no"
322 >>> parseYesOrNo) -< tree
324 summary <- (maybeA (getXPathTreesInDoc "/page/summary/text()"
326 >>> deleteIfEmpty)) -< tree
328 otherLang <- listA (getXPathTreesInDoc "/page/otherLang/link"
330 (getAttrValue0 "lang"
332 getAttrValue0 "page")) -< tree
334 textData <- maybeA (getXPathTreesInDoc "/page/textData/text()" >>> getText) -< tree
335 binaryData <- maybeA (getXPathTreesInDoc "/page/binaryData/text()" >>> getText) -< tree
337 let (isBinary, content)
338 = case (textData, binaryData) of
339 (Just text, Nothing ) -> (False, L.pack $ encode text )
340 (Nothing , Just binary) -> (True , L.pack $ B64.decode binary)
341 _ -> error "one of textData or binaryData is required"
345 , entityType = mimeType
346 , entityLanguage = lang
347 , entityFileName = fileName
348 , entityIsTheme = isTheme
349 , entityIsFeed = isFeed
350 , entityIsLocked = isLocked
351 , entityIsBoring = isBoring
352 , entityIsBinary = isBinary
353 , entityRevision = undefined
354 , entityLastMod = undefined
355 , entitySummary = summary
356 , entityOtherLang = M.fromList otherLang
357 , entityContent = content
358 , entityUpdateInfo = updateInfo
362 parseUpdateInfo :: (ArrowXml a, ArrowChoice a) => a XmlTree UpdateInfo
365 -> do uInfo <- getXPathTreesInDoc "/*/updateInfo" -< tree
366 oldRev <- (getAttrValue0 "oldRevision" >>> arr read) -< uInfo
367 oldName <- maybeA (getXPathTrees "/move/@from/text()" >>> getText) -< uInfo
368 returnA -< UpdateInfo {
369 uiOldRevision = oldRev
370 , uiOldName = oldName