Refactor.

[hs-java.git] / Java / META.hs

diff --git a/Java/META.hs b/Java/META.hs
index 32939777c419c79db9f7244d19f12f57cd784eaf..47c6de7b2cdc30d8288f72a2cfefd7e65810d523 100644 (file)
--- a/Java/META.hs
+++ b/Java/META.hs
@@ -9,3 +9,65 @@ import Java.META.Types
 import Java.META.Parser
 import Java.META.Spec
 
+data Manifest = Manifest {
+  manifestVersion :: String,
+  createdBy :: String,
+  sealed :: Bool,
+  signatureVersion :: Maybe String,
+  classPath :: [String],
+  mainClass :: Maybe String,
+  manifestEntries :: [ManifestEntry]}
+  deriving (Eq, Show)
+
+data ManifestEntry = ManifestEntry {
+  meName :: String,
+  meSealed :: Bool,
+  meContentType :: Maybe String,
+  meBean :: Bool }
+  deriving (Eq, Show)
+
+instance MetaSpec Manifest where
+  loadFirstSection s = Manifest {
+    manifestVersion = s ! "Manifest-Version",
+    createdBy = s ! "Created-By",
+    sealed = case M.lookup "Sealed" s of
+               Nothing -> False
+               Just str -> string2bool str,
+    signatureVersion = M.lookup "Signature-Version" s,
+    classPath = case M.lookup "Class-Path" s of
+                  Nothing -> []
+                  Just str -> words str,
+    mainClass = M.lookup "Main-Class" s,
+    manifestEntries = []}
+
+  loadOtherSection m s = m {manifestEntries = manifestEntries m ++ [entry]}
+    where
+      entry = ManifestEntry {
+                meName = s ! "Name",
+                meSealed = case M.lookup "Sealed" s of
+                             Nothing -> sealed m
+                             Just str -> string2bool str,
+                meContentType = M.lookup "Content-Type" s,
+                meBean = case M.lookup "Java-Bean" s of
+                           Nothing -> False
+                           Just str -> string2bool str }
+
+  storeMeta m = first: map store (manifestEntries m)
+    where
+      first = M.fromList $ [
+          ("Manifest-Version", manifestVersion m),
+          ("Created-By", createdBy m)] ++
+          lookupList "Signature-Version" (signatureVersion m) ++
+          lookupList "Main-Class" (mainClass m) ++
+          case classPath m of
+            [] -> []
+            list -> [("Class-Path", unwords list)]
+
+      store e = M.fromList $ [
+          ("Name", meName e),
+          ("Sealed", bool2string $ meSealed e)] ++
+          lookupList "Content-Type" (meContentType e) ++
+          if meBean e
+            then [("Java-Bean", "true")]
+            else []
+