module Rakka.Page
( PageName
, Page(..)
+ , LanguageTag
+ , LanguageName
+
, encodePageName
+ , decodePageName
+
+ , pageFileName'
+ , defaultFileName
+
+ , mkPageURI
+ , mkPageFragmentURI
+ , mkObjectURI
+ , mkFragmentURI
+ , mkAuxiliaryURI
+ , mkRakkaURI
)
where
-import Data.ByteString.Base (LazyByteString)
-import qualified Data.ByteString.Char8 as C8
-import Data.Encoding
-import Data.Encoding.UTF8
+import Codec.Binary.UTF8.String
+import qualified Data.ByteString.Lazy as Lazy (ByteString)
+import Data.Char
+import Data.Map (Map)
+import Data.Maybe
+import Data.Time
import Network.HTTP.Lucu
-import Network.URI
+import Network.URI hiding (fragment)
import Subversion.Types
+import System.FilePath.Posix
type PageName = String
+type LanguageTag = String -- See RFC 3066: http://www.ietf.org/rfc/rfc3066.txt
+type LanguageName = String -- i.e. "日本語"
+
data Page
- = Redirect PageName
- | Page {
- pageName :: PageName
- , pageType :: MIMEType
- , pageIsTheme :: Bool -- text/css 以外では無意味
- , pageIsFeed :: Bool -- text/x-rakka 以外では無意味
- , pageIsLocked :: Bool
- , pageIsBoring :: Bool
- , pageRevision :: Maybe RevNum
- , pageSummary :: Maybe String
- , pageOtherLang :: [(String, PageName)]
- , pageContent :: LazyByteString
+ = Redirection {
+ redirName :: !PageName
+ , redirDest :: !PageName
+ , redirRevision :: !(Maybe RevNum)
+ , redirLastMod :: !UTCTime
+ }
+ | Entity {
+ pageName :: !PageName
+ , pageType :: !MIMEType
+ , pageLanguage :: !(Maybe LanguageTag)
+ , pageFileName :: !(Maybe String)
+ , pageIsTheme :: !Bool -- text/css 以外では無意味
+ , pageIsFeed :: !Bool -- text/x-rakka 以外では無意味
+ , pageIsLocked :: !Bool
+ , pageIsBoring :: !Bool
+ , pageIsBinary :: !Bool
+ , pageRevision :: !RevNum
+ , pageLastMod :: !UTCTime
+ , pageSummary :: !(Maybe String)
+ , pageOtherLang :: !(Map LanguageTag PageName)
+ , pageContent :: !Lazy.ByteString
}
-- UTF-8 に encode してから 0x20 - 0x7E の範圍を除いて URI escape する。
encodePageName :: PageName -> FilePath
-encodePageName = escapeURIString shouldEscape . C8.unpack . encode UTF8
+encodePageName = escapeURIString isSafeChar . encodeString . fixPageName
where
- shouldEscape :: Char -> Bool
- shouldEscape c
- | c >= ' ' && c <= '~' = False
- | otherwise = True
+ 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 して UTF-8 から decode する。
+decodePageName :: FilePath -> PageName
+decodePageName = decodeString . unEscapeString
+
+
+encodeFragment :: String -> String
+encodeFragment = escapeURIString isSafeChar . encodeString
+
+
+pageFileName' :: Page -> String
+pageFileName' page
+ = fromMaybe (defaultFileName (pageType page) (pageName page)) (pageFileName page)
+
+
+defaultFileName :: MIMEType -> PageName -> String
+defaultFileName pType pName
+ = let baseName = takeFileName pName
+ in
+ case pType of
+ MIMEType "text" "x-rakka" _ -> baseName <.> "rakka"
+ MIMEType "text" "css" _ -> baseName <.> "css"
+ _ -> baseName
+
+
+mkPageURI :: URI -> PageName -> URI
+mkPageURI baseURI name
+ = baseURI {
+ uriPath = foldl (</>) "/" [uriPath baseURI, encodePageName name ++ ".html"]
+ }
+
+
+mkPageFragmentURI :: URI -> PageName -> String -> URI
+mkPageFragmentURI baseURI name fragment
+ = baseURI {
+ uriPath = foldl (</>) "/" [uriPath baseURI, encodePageName name ++ ".html"]
+ , uriFragment = ('#' : encodeFragment fragment)
+ }
+
+
+mkFragmentURI :: String -> URI
+mkFragmentURI fragment
+ = nullURI {
+ uriFragment = ('#' : encodeFragment fragment)
+ }
+
+
+mkObjectURI :: URI -> PageName -> URI
+mkObjectURI baseURI name
+ = mkAuxiliaryURI baseURI ["object"] name
+
+
+mkAuxiliaryURI :: URI -> [String] -> PageName -> URI
+mkAuxiliaryURI baseURI basePath name
+ = baseURI {
+ uriPath = foldl (</>) "/" ([uriPath baseURI] ++ basePath ++ [encodePageName name])
+ }
+
+
+mkRakkaURI :: PageName -> URI
+mkRakkaURI name = URI {
+ uriScheme = "rakka:"
+ , uriAuthority = Nothing
+ , uriPath = encodePageName name
+ , uriQuery = ""
+ , uriFragment = ""
+ }