The big change

[Rakka.git] / Rakka / Wiki / Interpreter / Base.hs

diff --git a/Rakka/Wiki/Interpreter/Base.hs b/Rakka/Wiki/Interpreter/Base.hs
index e03b669fd083ac568fdd0cfccb1237937cbb094b..9a02ae255668be349716a141300996bbe74aba1c 100644 (file)
--- a/Rakka/Wiki/Interpreter/Base.hs
+++ b/Rakka/Wiki/Interpreter/Base.hs
@@ -1,32 +1,125 @@
 module Rakka.Wiki.Interpreter.Base
-    ( baseInterpreters
+    ( interpreters
     )
     where
 
-import           Rakka.Wiki.Interpreter
+import           Control.Arrow
+import           Control.Arrow.ListArrow
+import           Data.Map (Map)
+import qualified Data.Map as M
+import           Data.Maybe
+import           Network.URI
+import           Rakka.Page
+import           Rakka.SystemConfig
 import           Rakka.Wiki
+import           Rakka.Wiki.Interpreter
+import           Text.XML.HXT.Arrow.XmlArrow
+import           Text.XML.HXT.Arrow.XmlNodeSet
 
 
-baseInterpreters :: [Interpreter]
-baseInterpreters = [ lineBreakInterp
-                   , spanInterp
-                   , divInterp
-                   ]
+interpreters :: [Interpreter]
+interpreters = [ lineBreakInterp
+               , spanInterp
+               , divInterp
+               , pageNameInterp
+               , otherLangsInterp
+               , editPageInterp
+               ]
 
 
 lineBreakInterp :: Interpreter
-lineBreakInterp = pureInlineInterp "br" interpret
-    where
-      interpret (InlineCommand _ attrs _) _ = LineBreak attrs
+lineBreakInterp = InlineCommandInterpreter {
+                    iciName      = "br"
+                  , iciInterpret
+                      = \ _ (InlineCommand _ attrs _) -> return $ LineBreak attrs
+                  }
 
 
 spanInterp :: Interpreter
-spanInterp = pureInlineInterp "span" interpret
-    where
-      interpret (InlineCommand _ attrs contents) _ = Span attrs contents
+spanInterp = InlineCommandInterpreter {
+               iciName      = "span"
+             , iciInterpret
+                 = \ _ (InlineCommand _ attrs contents) -> return $ Span attrs contents
+             }
 
 
 divInterp :: Interpreter
-divInterp = pureBlockInterp "div" interpret
+divInterp = BlockCommandInterpreter {
+              bciName      = "div"
+            , bciInterpret
+                = \ _ (BlockCommand _ attrs contents)
+                -> return $ Div attrs (map Block contents)
+            }
+
+
+pageNameInterp :: Interpreter
+pageNameInterp = InlineCommandInterpreter {
+                   iciName      = "pageName"
+                 , iciInterpret
+                     = \ ctx _ -> return $ Text (ctxPageName ctx)
+                 }
+
+
+otherLangsInterp :: Interpreter
+otherLangsInterp
+    = BlockCommandInterpreter {
+        bciName      = "inOtherLanguages"
+      , bciInterpret
+          = \ ctx _ ->
+            let linkTable = case ctxMainPage ctx of
+                              Just page -> runLA ( getXPathTreesInDoc "/page/otherLang/link"
+                                                   >>>
+                                                   ( getAttrValue0 "lang"
+                                                     &&&
+                                                     getAttrValue0 "page"
+                                                   )
+                                                 ) page
+                              Nothing   -> []
+            in
+              case linkTable of
+                [] -> return EmptyBlock
+                xs -> do Languages langTable <- getSysConf (ctxSysConf ctx)
+                         let merged = mergeTables langTable linkTable
+                         return $ mkLangList merged
+      }
     where
-      interpret (BlockCommand _ attrs contents) _ = Div attrs contents
\ No newline at end of file
+      mergeTables :: Map LanguageTag LanguageName
+                  -> [(LanguageTag, PageName)]
+                  -> [(LanguageName, PageName)]
+      mergeTables _ []     = []
+      mergeTables m (x:xs) = let (langTag, pageName) = x
+                                 langName            = fromMaybe langTag (M.lookup langTag m)
+                             in
+                               (langName, pageName) : mergeTables m xs
+
+      mkLangList :: [(LanguageName, PageName)] -> BlockElement
+      mkLangList xs = List Bullet (map mkLangLink xs)
+
+      mkLangLink :: (LanguageName, PageName) -> ListItem
+      mkLangLink (langName, pageName)
+          = [Inline (PageLink (Just pageName) Nothing (Just langName))]
+
+
+-- <input type="button"
+--        value="Edit"
+--        onclick="Rakka.editPage(\"http://example.org/\", \"Foo\")"
+--        class="editButton" />
+editPageInterp :: Interpreter
+editPageInterp 
+    = InlineCommandInterpreter {
+        iciName      = "editPage"
+      , iciInterpret
+          = \ ctx (InlineCommand _ args _) ->
+            do BaseURI baseURI <- getSysConf (ctxSysConf ctx)
+
+               let pageName = fromMaybe (ctxPageName ctx) (lookup "page" args)
+                   label    = fromMaybe "Edit this page" (lookup "label" args)
+                   uri      = uriToString id baseURI ""
+                   attrs    = [ ("type"   , "button")
+                              , ("value"  , label)
+                              , ("onclick", "Rakka.editPage(\"" ++ uri ++ "\", \"" ++ pageName ++ "\")")
+                              , ("class"  , "editButton")
+                              ]
+
+               return (Input attrs)
+      }