Cleanup glue and GError handling

gstreamer-sharp/Application.cs

@@ -48,14 +48,7 @@ namespace Gst {
         bool result = gst_init_check (ref argc, ref argv_ptr, out error_ptr);
 
         if (error_ptr != IntPtr.Zero) {
-          string message = GError.GetMessage (error_ptr);
-
-          if (message == String.Empty)
-            message = "Reason unknown";
-
-          GError.Free (error_ptr);
-
-          throw new ApplicationException (String.Format ("gst_init_check() failed: {0}", message));
+          throw new GLib.GException (error_ptr);
         } else if (!result) {
           throw new ApplicationException ("gst_init_check() failed: Reason unknown");
         }

gstreamer-sharp/GError.cs

@@ -8,25 +8,50 @@ using System;
 using System.Runtime.InteropServices;
 
 namespace Gst {
-  internal static class GError {
-    public static string GetMessage (IntPtr error) {
-      if (error == IntPtr.Zero)
-        return String.Empty;
 
-      IntPtr message = gstsharp_g_error_get_message (error);
-      if (message == IntPtr.Zero)
-        return String.Empty;
+  [StructLayout (LayoutKind.Sequential) ]
+  internal struct GError {
+    uint domain_quark;
+    int code;
+    IntPtr message;
 
-      return GLib.Marshaller.PtrToStringGFree (message);
+    public uint Domain {
+      get {
+        return domain_quark;
+      }
+      set {
+        domain_quark = value;
+      }
     }
 
-    public static void Free (IntPtr error) {
-      if (error != IntPtr.Zero)
-        g_error_free (error);
+    public int Code {
+      get {
+        return code;
+      }
+      set {
+        code = value;
+      }
     }
 
-    [DllImport ("gstreamersharpglue-0.10") ]
-    static extern IntPtr gstsharp_g_error_get_message (IntPtr error);
+    public string Message {
+      get {
+        if (message == IntPtr.Zero)
+          return null;
+        return GLib.Marshaller.Utf8PtrToString (message);
+      }
+      set {
+        if (message != IntPtr.Zero)
+          GLib.Marshaller.Free (message);
+        message = GLib.Marshaller.StringToPtrGStrdup (value);
+      }
+    }
+
+    public void Unset () {
+      GLib.Marshaller.Free (message);
+      message = IntPtr.Zero;
+      code = 0;
+      domain_quark = 0;
+    }
 
     [DllImport ("glib-2.0.dll") ]
     static extern void g_error_free (IntPtr error);

gstreamer-sharp/MiniObject.custom

@@ -20,8 +20,6 @@ public void SetGValue (ref GLib.Value val) {
 
 [DllImport ("gstreamersharpglue-0.10.dll") ]
 private static extern IntPtr gstsharp_g_type_from_instance (IntPtr o);
-[DllImport ("gstreamersharpglue-0.10.dll") ]
-private static extern IntPtr gstsharp_g_value_type (ref GLib.Value val);
 [DllImport ("gstreamer-0.10.dll") ]
 private static extern IntPtr gst_value_dup_mini_object (ref GLib.Value v);
 [DllImport ("gstreamer-0.10.dll") ]

gstreamer-sharp/glue/Makefile.am

@@ -7,7 +7,6 @@ libgstreamersharpglue_0_10_la_SOURCES =	\
 	message.c \
 	bin.c \
 	structure.c \
-	gerror.c \
 	gobject.c
 
 nodist_libgstreamersharpglue_0_10_la_SOURCES = generated.c 

gstreamer-sharp/glue/gerror.c

@@ -1,10 +0,0 @@
-#include <glib.h>
-
-gchar *
-gstsharp_g_error_get_message (GError * error)
-{
-  if (error->message)
-    return g_strdup (error->message);
-
-  return NULL;
-}

gstreamer-sharp/glue/gobject.c

@@ -12,8 +12,3 @@ gstsharp_g_type_from_instance (GTypeInstance * instance)
   return G_TYPE_FROM_INSTANCE (instance);
 }
 
-GType
-gstsharp_g_value_type (const GValue * val)
-{
-  return G_VALUE_TYPE (val);
-}

gstreamer-sharp/glue/message.c

@@ -1,24 +0,0 @@
-#include <glib/gerror.h>
-#include <gst/gstmessage.h>
-#include <glib/gquark.h>
-
-gchar *
-gstsharp_message_parse_error (GstMessage * message)
-{
-  GError *gerror;
-  gchar *error;
-
-  gst_message_parse_error (message, &gerror, NULL);
-
-  error = g_strdup (gerror->message);
-  g_error_free (gerror);
-
-  return error;
-}
-
-GError *
-gstsharp_message_error_new ()
-{
-  GQuark domain = g_quark_from_string ("test");
-  return g_error_new (domain, 10, "test error");
-}