X-Git-Url: https://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Rakka%2FWiki%2FInterpreter%2FImage.hs;h=00a55de056191ae9fb53b6713907bd2b75bc1b23;hb=fcddebcc3cc02ae8d1904b9338334d538019e74a;hp=97ffc8e1fafebc738a0818af3820548f417ac882;hpb=65c7f9f0643c7e8884e4a02567b77c169167c093;p=Rakka.git

diff --git a/Rakka/Wiki/Interpreter/Image.hs b/Rakka/Wiki/Interpreter/Image.hs
index 97ffc8e..00a55de 100644
--- a/Rakka/Wiki/Interpreter/Image.hs
+++ b/Rakka/Wiki/Interpreter/Image.hs
@@ -3,8 +3,6 @@ module Rakka.Wiki.Interpreter.Image
     )
     where
 
-import           Control.Monad
-import           Data.Maybe
 import           Network.URI
 import           Rakka.Page
 import           Rakka.SystemConfig
@@ -18,6 +16,12 @@ interpreters = [ imageInterp
                ]
 
 
+-- <img src="[PageName]"
+--      alt="[Alternative]"   -- 省略可能
+--      link="[PageName]"     -- 省略可能、省略時は画像そのものへのリンク
+--      link="[Absolute URI]" -- 絶對 URI の場合はその URI へのリンク
+--      link="" />            -- 空文字列の場合はリンク無し
+
 -- <a href="..." class="inlineImage ...">
 --   <img src="..." alt="..." />
 -- </a>
@@ -26,22 +30,30 @@ imageInterp
     = InlineCommandInterpreter {
         iciName      = "img"
       , iciInterpret
-          = \ ctx (InlineCommand _ attrs inside) ->
+          = \ ctx (InlineCommand _ attrs _) ->
             do BaseURI baseURI <- getSysConf (ctxSysConf ctx)
 
-               let pageName    = case lookup "src" attrs of
+               let name        = case lookup "src" attrs of
                                    Just x  -> x
                                    Nothing -> error "\"src\" attribute is missing"
-                   hrefAttr    = ("href", uriToString id (mkPageURI baseURI pageName) "")
+                   link        = case lookup "link" attrs of
+                                   Just "" -> Nothing
+                                   Just x  -> if isURI x then
+                                                  Just x
+                                              else
+                                                  Just (uriToString id (mkPageURI baseURI x) "")
+                                   Nothing -> Just (uriToString id (mkPageURI baseURI name) "")
                    alt         = lookup "alt" attrs
                    classAttr   = case lookup "float" attrs of
-                                   Nothing      -> ("class", "inlineImage")
-                                   Just "left"  -> ("class", "inlineImage leftFloat")
-                                   Just "right" -> ("class", "inlineImage rightFloat")
+                                   Nothing      -> "inlineImage"
+                                   Just "left"  -> "inlineImage leftFloat"
+                                   Just "right" -> "inlineImage rightFloat"
                                    Just others  -> error ("unknown \"float\" attribute: " ++ others)
-                   anchorAttrs = [hrefAttr, classAttr]
-
-               return (Anchor anchorAttrs [Image (Right pageName) alt])
+                   result      = case link of
+                                   Nothing -> Span [("class", classAttr)] [Image (Right name) alt]
+                                   Just x  -> Anchor [ ("class", classAttr)
+                                                     , ("href" , x        ) ] [Image (Right name) alt]
+               return result
       }
 
 
@@ -63,20 +75,28 @@ imgFrameInterp
           = \ ctx (BlockCommand _ attrs inside) ->
             do BaseURI baseURI <- getSysConf (ctxSysConf ctx)
 
-               let pageName    = case lookup "src" attrs of
+               let name        = case lookup "src" attrs of
                                    Just x  -> x
                                    Nothing -> error "\"src\" attribute is missing"
-                   hrefAttr    = ("href", uriToString id (mkPageURI baseURI pageName) "")
+                   link        = case lookup "link" attrs of
+                                   Just "" -> Nothing
+                                   Just x  -> if isURI x then
+                                                  Just x
+                                              else
+                                                  Just (uriToString id (mkPageURI baseURI x) "")
+                                   Nothing -> Just (uriToString id (mkPageURI baseURI name) "")
                    classAttr   = case lookup "float" attrs of
                                    Nothing      -> ("class", "imageFrame")
                                    Just "left"  -> ("class", "imageFrame leftFloat")
                                    Just "right" -> ("class", "imageFrame rightFloat")
                                    Just others  -> error ("unknown \"float\" attribute: " ++ others)
+                   image       = case link of
+                                   Nothing -> Image (Right name) Nothing
+                                   Just x  -> Anchor [("href" , x)] [Image (Right name) Nothing]
                
                return (Div [classAttr]
                        [ Block (Div [("class", "imageData")]
-                                        [ Inline (Anchor [hrefAttr]
-                                                  [ Image (Right pageName) Nothing ]) ])
+                                        [ Inline image ])
                        , Block (Div [("class", "imageCaption")]
                                         [ Block x | x <- inside ])
                        ]