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
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 isTheme="no" -- text/css の場合のみ存在
78 isFeed="no" -- text/x-rakka の場合のみ存在
81 revision="112"> -- デフォルトでない場合のみ存在
82 lastModified="2000-01-01T00:00:00">
86 </summary> -- 存在しない場合もある
88 <otherLang> -- 存在しない場合もある
89 <link lang="ja" page="Bar/Baz" />
110 handleGetEntity :: (ArrowXml a, ArrowChoice a, ArrowIO a) => Environment -> a Page (Resource ())
113 -> do tree <- formatEntirePage (envStorage env) (envSysConf env) (envInterpTable env) -< page
114 returnA -< do let lastMod = toClockTime $ pageLastMod page
116 -- text/x-rakka の場合は、内容が動的に生成され
117 -- てゐる可能性があるので、ETag も
118 -- Last-Modified も返す事が出來ない。
119 case pageType page of
120 MIMEType "text" "x-rakka" _
122 _ -> case pageRevision page of
123 0 -> foundTimeStamp lastMod -- 0 はデフォルトページ
124 rev -> foundEntity (strongETag $ show rev) lastMod
126 outputXmlPage tree entityToXHTML
129 entityToXHTML :: ArrowXml a => a XmlTree XmlTree
133 += sattr "xmlns" "http://www.w3.org/1999/xhtml"
134 += ( getXPathTreesInDoc "/page/@lang"
136 qattr (QN "xml" "lang" "")
137 ( getXPathTreesInDoc "/page/@lang/text()" )
141 += getXPathTreesInDoc "/page/@site/text()"
143 += getXPathTreesInDoc "/page/@name/text()"
146 += sattr "rel" "stylesheet"
147 += sattr "type" "text/css"
149 ( getXPathTreesInDoc "/page/@styleSheet/text()" )
154 += sattr "class" "header"
157 += sattr "class" "center"
159 += sattr "class" "title"
160 += getXPathTreesInDoc "/page/pageTitle/*"
163 += sattr "class" "body"
164 += getXPathTreesInDoc "/page/body/*"
168 += sattr "class" "footer"
171 += sattr "class" "left sideBar"
173 += sattr "class" "content"
174 += getXPathTreesInDoc "/page/sideBar/left/*"
178 += sattr "class" "right sideBar"
180 += sattr "class" "content"
181 += getXPathTreesInDoc "/page/sideBar/right/*"
186 uniqueNamespacesFromDeclAndQNames
191 <pageNotFound site="CieloNegro"
192 styleSheet="http://example.org/object/StyleSheet/Default"
209 handlePageNotFound :: (ArrowXml a, ArrowChoice a, ArrowIO a) => Environment -> a PageName (Resource ())
210 handlePageNotFound env
212 -> do tree <- formatUnexistentPage (envStorage env) (envSysConf env) (envInterpTable env) -< name
213 returnA -< do setStatus NotFound
214 outputXmlPage tree notFoundToXHTML
217 notFoundToXHTML :: ArrowXml a => a XmlTree XmlTree
221 += sattr "xmlns" "http://www.w3.org/1999/xhtml"
224 += getXPathTreesInDoc "/pageNotFound/@site/text()"
226 += getXPathTreesInDoc "/pageNotFound/@name/text()"
229 += sattr "rel" "stylesheet"
230 += sattr "type" "text/css"
232 ( getXPathTreesInDoc "/pageNotFound/@styleSheet/text()" )
237 += sattr "class" "header"
240 += sattr "class" "center"
242 += sattr "class" "title"
243 += getXPathTreesInDoc "/pageNotFound/pageTitle/*"
246 += sattr "class" "body"
247 += txt "404 Not Found (FIXME)" -- FIXME
251 += sattr "class" "footer"
254 += sattr "class" "left sideBar"
256 += sattr "class" "content"
257 += getXPathTreesInDoc "/pageNotFound/sideBar/left/*"
261 += sattr "class" "right sideBar"
263 += sattr "class" "content"
264 += getXPathTreesInDoc "/pageNotFound/sideBar/right/*"
269 uniqueNamespacesFromDeclAndQNames