1 module Rakka.Resource.Render
7 import Control.Arrow.ArrowIO
8 import Control.Arrow.ArrowIf
10 import Network.HTTP.Lucu
11 import Network.HTTP.Lucu.Utils
12 import Rakka.Environment
16 import Rakka.SystemConfig
17 import Rakka.Wiki.Engine
18 import System.FilePath
20 import Text.XML.HXT.Arrow.Namespace
21 import Text.XML.HXT.Arrow.XmlArrow
22 import Text.XML.HXT.Arrow.XmlNodeSet
23 import Text.XML.HXT.DOM.TypeDefs
26 fallbackRender :: Environment -> [String] -> IO (Maybe ResourceDef)
27 fallbackRender env path
28 | null path = return Nothing
29 | null $ head path = return Nothing
30 | not $ isUpper $ head $ head path = return Nothing -- /Foo/bar のような形式でない。
32 = return $ Just $ ResourceDef {
33 resUsesNativeThread = False
35 , resGet = Just $ handleGet env (toPageName path)
42 toPageName :: [String] -> PageName
43 toPageName = decodePageName . dropExtension . joinWith "/"
46 handleGet :: Environment -> PageName -> Resource ()
48 = runIdempotentA $ proc ()
49 -> do pageM <- getPageA (envStorage env) -< (name, Nothing)
52 -> handlePageNotFound env -< name
54 Just redir@(Redirection _ _ _ _)
55 -> handleRedirect env -< redir
57 Just entity@(Entity _ _ _ _ _ _ _ _ _ _ _ _ _ _)
58 -> handleGetEntity env -< entity
62 Location: http://example.org/Destination?from=Source
64 handleRedirect :: (ArrowXml a, ArrowIO a) => Environment -> a Page (Resource ())
67 -> do BaseURI baseURI <- getSysConfA (envSysConf env) -< ()
68 returnA -< redirect Found (mkPageURI baseURI $ redirName redir) -- FIXME
72 <page site="CieloNegro"
73 styleSheet="http://example.org/object/StyleSheet/Default"
76 lang="ja" -- 存在しない場合もある
77 fileName="bar.rakka" -- 存在しない場合もある
78 isTheme="no" -- text/css の場合のみ存在
79 isFeed="no" -- text/x-rakka の場合のみ存在
82 revision="112"> -- デフォルトでない場合のみ存在
83 lastModified="2000-01-01T00:00:00">
87 </summary> -- 存在しない場合もある
89 <otherLang> -- 存在しない場合もある
90 <link lang="ja" page="Bar/Baz" />
111 handleGetEntity :: (ArrowXml a, ArrowChoice a, ArrowIO a) => Environment -> a Page (Resource ())
114 -> do tree <- formatEntirePage (envStorage env) (envSysConf env) (envInterpTable env) -< page
115 returnA -< do let lastMod = toClockTime $ pageLastMod page
117 -- text/x-rakka の場合は、内容が動的に生成され
118 -- てゐる可能性があるので、ETag も
119 -- Last-Modified も返す事が出來ない。
120 case pageType page of
121 MIMEType "text" "x-rakka" _
123 _ -> case pageRevision page of
124 0 -> foundTimeStamp lastMod -- 0 はデフォルトページ
125 rev -> foundEntity (strongETag $ show rev) lastMod
127 outputXmlPage tree entityToXHTML
130 entityToXHTML :: ArrowXml a => a XmlTree XmlTree
134 += sattr "xmlns" "http://www.w3.org/1999/xhtml"
135 += ( getXPathTreesInDoc "/page/@lang"
137 qattr (QN "xml" "lang" "")
138 ( getXPathTreesInDoc "/page/@lang/text()" )
142 += getXPathTreesInDoc "/page/@site/text()"
144 += getXPathTreesInDoc "/page/@name/text()"
147 += sattr "rel" "stylesheet"
148 += sattr "type" "text/css"
150 ( getXPathTreesInDoc "/page/@styleSheet/text()" )
155 += sattr "class" "header"
158 += sattr "class" "center"
160 += sattr "class" "title"
161 += getXPathTreesInDoc "/page/pageTitle/*"
164 += sattr "class" "body"
165 += getXPathTreesInDoc "/page/body/*"
169 += sattr "class" "footer"
172 += sattr "class" "left sideBar"
174 += sattr "class" "content"
175 += getXPathTreesInDoc "/page/sideBar/left/*"
179 += sattr "class" "right sideBar"
181 += sattr "class" "content"
182 += getXPathTreesInDoc "/page/sideBar/right/*"
187 uniqueNamespacesFromDeclAndQNames
192 <pageNotFound site="CieloNegro"
193 styleSheet="http://example.org/object/StyleSheet/Default"
210 handlePageNotFound :: (ArrowXml a, ArrowChoice a, ArrowIO a) => Environment -> a PageName (Resource ())
211 handlePageNotFound env
213 -> do tree <- formatUnexistentPage (envStorage env) (envSysConf env) (envInterpTable env) -< name
214 returnA -< do setStatus NotFound
215 outputXmlPage tree notFoundToXHTML
218 notFoundToXHTML :: ArrowXml a => a XmlTree XmlTree
222 += sattr "xmlns" "http://www.w3.org/1999/xhtml"
225 += getXPathTreesInDoc "/pageNotFound/@site/text()"
227 += getXPathTreesInDoc "/pageNotFound/@name/text()"
230 += sattr "rel" "stylesheet"
231 += sattr "type" "text/css"
233 ( getXPathTreesInDoc "/pageNotFound/@styleSheet/text()" )
238 += sattr "class" "header"
241 += sattr "class" "center"
243 += sattr "class" "title"
244 += getXPathTreesInDoc "/pageNotFound/pageTitle/*"
247 += sattr "class" "body"
248 += txt "404 Not Found (FIXME)" -- FIXME
252 += sattr "class" "footer"
255 += sattr "class" "left sideBar"
257 += sattr "class" "content"
258 += getXPathTreesInDoc "/pageNotFound/sideBar/left/*"
262 += sattr "class" "right sideBar"
264 += sattr "class" "content"
265 += getXPathTreesInDoc "/pageNotFound/sideBar/right/*"
270 uniqueNamespacesFromDeclAndQNames