X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=Rakka.git;a=blobdiff_plain;f=Rakka%2FPage.hs;h=a9dbe4ff2967c9b83909b8d831fbfcfeba57fd50;hp=380d4a5d2a3967eb08c875916a165be0945223da;hb=df6079ca32f808d76c595e7953bff7a1dd46b10b;hpb=f4a655a34bc6017db008c2e915053958ae13ee81
diff --git a/Rakka/Page.hs b/Rakka/Page.hs
index 380d4a5..a9dbe4f 100644
--- a/Rakka/Page.hs
+++ b/Rakka/Page.hs
@@ -1,28 +1,56 @@
module Rakka.Page
( PageName
, Page(..)
+ , UpdateInfo(..)
, LanguageTag
, LanguageName
+ , isRedirect
+ , isEntity
+
+ , pageName
+ , pageUpdateInfo
+ , pageRevision
+
+ , isSafeChar
, encodePageName
, decodePageName
+
, mkPageURI
, mkPageFragmentURI
, mkObjectURI
+ , mkFragmentURI
, mkAuxiliaryURI
+ , mkFeedURI
+ , mkRakkaURI
+
+ , xmlizePage
+ , parseXmlizedPage
)
where
-import Data.ByteString.Base (LazyByteString)
-import qualified Data.ByteString.Char8 as C8
-import Data.Encoding
-import Data.Encoding.UTF8
+import qualified Codec.Binary.UTF8.String as UTF8
+import Control.Arrow
+import Control.Arrow.ArrowIO
+import Control.Arrow.ArrowList
+import qualified Data.ByteString.Lazy as Lazy (ByteString)
+import qualified Data.ByteString.Lazy as L hiding (ByteString)
+import qualified Data.ByteString.Lazy.Char8 as L8 hiding (ByteString)
+import Data.Char
import Data.Map (Map)
-import Network.HTTP.Lucu
-import Network.URI
+import qualified Data.Map as M
+import Data.Maybe
+import Data.Time
+import Network.HTTP.Lucu hiding (redirect)
+import Network.URI hiding (fragment)
+import OpenSSL.EVP.Base64
+import Rakka.Utils
+import Rakka.W3CDateTime
import Subversion.Types
-import System.FilePath
-import System.Time
+import System.FilePath.Posix
+import Text.XML.HXT.Arrow.XmlArrow
+import Text.XML.HXT.Arrow.XmlNodeSet
+import Text.XML.HXT.DOM.TypeDefs
type PageName = String
@@ -33,55 +61,114 @@ type LanguageName = String -- i.e. "æ¥æ¬èª"
data Page
= Redirection {
- redirName :: !PageName
- , redirDest :: !PageName
- , redirRevision :: !(Maybe RevNum)
- , redirLastMod :: !CalendarTime
+ redirName :: !PageName
+ , redirDest :: !PageName
+ , redirIsLocked :: !Bool
+ , redirRevision :: RevNum
+ , redirLastMod :: UTCTime
+ , redirUpdateInfo :: Maybe UpdateInfo
}
| Entity {
- pageName :: !PageName
- , pageType :: !MIMEType
- , pageLanguage :: !(Maybe LanguageTag)
- , pageIsTheme :: !Bool -- text/css 以å¤ã§ã¯ç¡æå³
- , pageIsFeed :: !Bool -- text/x-rakka 以å¤ã§ã¯ç¡æå³
- , pageIsLocked :: !Bool
- , pageIsBoring :: !Bool
- , pageIsBinary :: !Bool
- , pageRevision :: !(Maybe RevNum)
- , pageLastMod :: !CalendarTime
- , pageSummary :: !(Maybe String)
- , pageOtherLang :: !(Map LanguageTag PageName)
- , pageContent :: !LazyByteString
+ entityName :: !PageName
+ , entityType :: !MIMEType
+ , entityLanguage :: !(Maybe LanguageTag)
+ , entityIsTheme :: !Bool -- text/css 以å¤ã§ã¯ç¡æå³
+ , entityIsFeed :: !Bool -- text/x-rakka 以å¤ã§ã¯ç¡æå³
+ , entityIsLocked :: !Bool
+ , entityIsBinary :: !Bool
+ , entityRevision :: RevNum
+ , entityLastMod :: UTCTime
+ , entitySummary :: !(Maybe String)
+ , entityOtherLang :: !(Map LanguageTag PageName)
+ , entityContent :: !Lazy.ByteString
+ , entityUpdateInfo :: Maybe UpdateInfo
+ }
+ deriving (Show, Eq)
+
+
+data UpdateInfo
+ = UpdateInfo {
+ uiOldRevision :: !RevNum
+ , uiOldName :: !(Maybe PageName)
}
+ deriving (Show, Eq)
+
+
+isRedirect :: Page -> Bool
+isRedirect (Redirection _ _ _ _ _ _) = True
+isRedirect _ = False
+
+
+isEntity :: Page -> Bool
+isEntity (Entity _ _ _ _ _ _ _ _ _ _ _ _ _) = True
+isEntity _ = False
+
+
+pageName :: Page -> PageName
+pageName p
+ | isRedirect p = redirName p
+ | isEntity p = entityName p
+ | otherwise = error "neither redirection nor entity"
+
+
+pageUpdateInfo :: Page -> Maybe UpdateInfo
+pageUpdateInfo p
+ | isRedirect p = redirUpdateInfo p
+ | isEntity p = entityUpdateInfo p
+ | otherwise = error "neither redirection nor entity"
+
+
+pageRevision :: Page -> RevNum
+pageRevision p
+ | isRedirect p = redirRevision p
+ | isEntity p = entityRevision p
+ | otherwise = error "neither redirection nor entity"
-- UTF-8 ã« encode ãã¦ãã 0x20 - 0x7E ã®ç¯åãé¤ã㦠URI escape ããã
encodePageName :: PageName -> FilePath
-encodePageName = escapeURIString isSafe . C8.unpack . encode UTF8
+encodePageName = escapeURIString isSafeChar . UTF8.encodeString . fixPageName
where
- isSafe :: Char -> Bool
- isSafe c
- | c >= ' ' && c <= '~' = True
- | otherwise = False
+ fixPageName :: PageName -> PageName
+ fixPageName = (\ (x:xs) -> toUpper x : xs) . map (\ c -> if c == ' ' then '_' else c)
+
+
+isSafeChar :: Char -> Bool
+isSafeChar c
+ | c == '/' = True
+ | isReserved c = False
+ | c > ' ' && c <= '~' = True
+ | otherwise = False
-- URI unescape ã㦠UTF-8 ãã decode ããã
decodePageName :: FilePath -> PageName
-decodePageName = decode UTF8 . C8.pack . unEscapeString
+decodePageName = UTF8.decodeString . unEscapeString
+
+
+encodeFragment :: String -> String
+encodeFragment = escapeURIString isSafeChar . UTF8.encodeString
mkPageURI :: URI -> PageName -> URI
mkPageURI baseURI name
= baseURI {
- uriPath = foldl combine "/" [uriPath baseURI, encodePageName name ++ ".html"]
+ uriPath = uriPath baseURI encodePageName name <.> "html"
}
mkPageFragmentURI :: URI -> PageName -> String -> URI
mkPageFragmentURI baseURI name fragment
= baseURI {
- uriPath = foldl combine "/" [uriPath baseURI, encodePageName name ++ ".html"]
- , uriFragment = ('#':fragment)
+ uriPath = uriPath baseURI encodePageName name <.> "html"
+ , uriFragment = ('#' : encodeFragment fragment)
+ }
+
+
+mkFragmentURI :: String -> URI
+mkFragmentURI fragment
+ = nullURI {
+ uriFragment = ('#' : encodeFragment fragment)
}
@@ -93,5 +180,226 @@ mkObjectURI baseURI name
mkAuxiliaryURI :: URI -> [String] -> PageName -> URI
mkAuxiliaryURI baseURI basePath name
= baseURI {
- uriPath = foldl combine "/" ([uriPath baseURI] ++ basePath ++ [encodePageName name])
+ uriPath = foldl () "/" ([uriPath baseURI] ++ basePath ++ [encodePageName name])
+ }
+
+
+mkFeedURI :: URI -> PageName -> URI
+mkFeedURI baseURI name
+ = baseURI {
+ uriPath = uriPath baseURI encodePageName name <.> "rdf"
}
+
+
+mkRakkaURI :: PageName -> URI
+mkRakkaURI name = URI {
+ uriScheme = "rakka:"
+ , uriAuthority = Nothing
+ , uriPath = encodePageName name
+ , uriQuery = ""
+ , uriFragment = ""
+ }
+
+
+{-
+
+
+
+ blah blah...
+ -- åå¨ããªãå ´åããã
+
+ -- åå¨ããªãå ´åããã
+
+
+
+
+
+ blah blah...
+
+
+ SKJaHKS8JK/DH8KS43JDK2aKKaSFLLS...
+
+
+
+
+-}
+xmlizePage :: (ArrowXml a, ArrowChoice a, ArrowIO a) => a Page XmlTree
+xmlizePage
+ = proc page
+ -> if isRedirect page then
+ xmlizeRedirection -< page
+ else
+ xmlizeEntity -< page
+ where
+ xmlizeRedirection :: (ArrowXml a, ArrowChoice a, ArrowIO a) => a Page XmlTree
+ xmlizeRedirection
+ = proc page
+ -> do lastMod <- arrIO (utcToLocalZonedTime . redirLastMod) -< page
+ ( eelem "/"
+ += ( eelem "page"
+ += sattr "name" (redirName page)
+ += sattr "redirect" (redirDest page)
+ += sattr "isLocked" (yesOrNo $ redirIsLocked page)
+ += sattr "revision" (show $ redirRevision page)
+ += sattr "lastModified" (formatW3CDateTime lastMod)
+ )) -<< ()
+
+ xmlizeEntity :: (ArrowXml a, ArrowChoice a, ArrowIO a) => a Page XmlTree
+ xmlizeEntity
+ = proc page
+ -> do lastMod <- arrIO (utcToLocalZonedTime . entityLastMod) -< page
+ ( eelem "/"
+ += ( eelem "page"
+ += sattr "name" (pageName page)
+ += sattr "type" (show $ entityType page)
+ += ( case entityLanguage page of
+ Just x -> sattr "lang" x
+ Nothing -> none
+ )
+ += ( case entityType page of
+ MIMEType "text" "css" _
+ -> sattr "isTheme" (yesOrNo $ entityIsTheme page)
+ MIMEType "text" "x-rakka" _
+ -> sattr "isFeed" (yesOrNo $ entityIsFeed page)
+ _
+ -> none
+ )
+ += sattr "isLocked" (yesOrNo $ entityIsLocked page)
+ += sattr "isBinary" (yesOrNo $ entityIsBinary page)
+ += sattr "revision" (show $ entityRevision page)
+ += sattr "lastModified" (formatW3CDateTime lastMod)
+ += ( case entitySummary page of
+ Just s -> eelem "summary" += txt s
+ Nothing -> none
+ )
+ += ( if M.null (entityOtherLang page) then
+ none
+ else
+ selem "otherLang"
+ [ eelem "link"
+ += sattr "lang" lang
+ += sattr "page" name
+ | (lang, name) <- M.toList (entityOtherLang page) ]
+ )
+ += ( if entityIsBinary page then
+ ( eelem "binaryData"
+ += txt (L8.unpack $ encodeBase64LBS $ entityContent page)
+ )
+ else
+ ( eelem "textData"
+ += txt (UTF8.decode $ L.unpack $ entityContent page)
+ )
+ )
+ )) -<< ()
+
+
+parseXmlizedPage :: (ArrowXml a, ArrowChoice a) => a (PageName, XmlTree) Page
+parseXmlizedPage
+ = proc (name, tree)
+ -> do updateInfo <- maybeA parseUpdateInfo -< tree
+ redirect <- maybeA (getXPathTreesInDoc "/page/@redirect/text()" >>> getText) -< tree
+ isLocked <- (withDefault (getXPathTreesInDoc "/page/@isLocked/text()" >>> getText) "no"
+ >>> parseYesOrNo) -< tree
+ case redirect of
+ Nothing -> parseEntity -< (name, tree)
+ Just dest -> returnA -< (Redirection {
+ redirName = name
+ , redirDest = dest
+ , redirIsLocked = isLocked
+ , redirRevision = undefined
+ , redirLastMod = undefined
+ , redirUpdateInfo = updateInfo
+ })
+
+
+parseEntity :: (ArrowXml a, ArrowChoice a) => a (PageName, XmlTree) Page
+parseEntity
+ = proc (name, tree)
+ -> do updateInfo <- maybeA parseUpdateInfo -< tree
+
+ mimeTypeStr <- withDefault (getXPathTreesInDoc "/page/@type/text()" >>> getText) "" -< tree
+
+ lang <- maybeA (getXPathTreesInDoc "/page/@lang/text()" >>> getText) -< tree
+
+ isTheme <- (withDefault (getXPathTreesInDoc "/page/@isTheme/text()" >>> getText) "no"
+ >>> parseYesOrNo) -< tree
+ isFeed <- (withDefault (getXPathTreesInDoc "/page/@isFeed/text()" >>> getText) "no"
+ >>> parseYesOrNo) -< tree
+ isLocked <- (withDefault (getXPathTreesInDoc "/page/@isLocked/text()" >>> getText) "no"
+ >>> parseYesOrNo) -< tree
+
+ summary <- (maybeA (getXPathTreesInDoc "/page/summary/text()"
+ >>> getText
+ >>> deleteIfEmpty)) -< tree
+
+ otherLang <- listA (getXPathTreesInDoc "/page/otherLang/link"
+ >>>
+ (getAttrValue0 "lang"
+ &&&
+ getAttrValue0 "page")) -< tree
+
+ textData <- maybeA (getXPathTreesInDoc "/page/textData/text()" >>> getText) -< tree
+ binaryData <- maybeA (getXPathTreesInDoc "/page/binaryData/text()" >>> getText) -< tree
+
+ let (isBinary, content)
+ = case (textData, binaryData) of
+ (Just text, Nothing ) -> (False, L.pack $ UTF8.encode text)
+ (Nothing , Just binary) -> (True , L8.pack $ decodeBase64 $ dropWhitespace binary)
+ _ -> error "one of textData or binaryData is required"
+ mimeType
+ = if isBinary then
+ if null mimeTypeStr then
+ guessMIMEType content
+ else
+ read mimeTypeStr
+ else
+ read mimeTypeStr
+
+ returnA -< Entity {
+ entityName = name
+ , entityType = mimeType
+ , entityLanguage = lang
+ , entityIsTheme = isTheme
+ , entityIsFeed = isFeed
+ , entityIsLocked = isLocked
+ , entityIsBinary = isBinary
+ , entityRevision = undefined
+ , entityLastMod = undefined
+ , entitySummary = summary
+ , entityOtherLang = M.fromList otherLang
+ , entityContent = content
+ , entityUpdateInfo = updateInfo
+ }
+ where
+ dropWhitespace :: String -> String
+ dropWhitespace [] = []
+ dropWhitespace (x:xs)
+ | x == ' ' || x == '\t' || x == '\n'
+ = dropWhitespace xs
+ | otherwise
+ = x : dropWhitespace xs
+
+
+parseUpdateInfo :: (ArrowXml a, ArrowChoice a) => a XmlTree UpdateInfo
+parseUpdateInfo
+ = proc tree
+ -> do uInfo <- getXPathTreesInDoc "/page/updateInfo" -< tree
+ oldRev <- (getAttrValue0 "oldRevision" >>> arr read) -< uInfo
+ oldName <- maybeA (getXPathTrees "/updateInfo/move/@from/text()" >>> getText) -< uInfo
+ returnA -< UpdateInfo {
+ uiOldRevision = oldRev
+ , uiOldName = oldName
+ }
+
+
\ No newline at end of file