1 files changed, 86 insertions, 0 deletions
diff --git a/mono/DBusType/Double.cs b/mono/DBusType/Double.cs
new file mode 100644
index 00000000..d578822f
--- /dev/null
+++ b/mono/DBusType/Double.cs
@@ -0,0 +1,86 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Reflection.Emit;
+
+using DBus;
+
+namespace DBus.DBusType
+{
+  /// <summary>
+  /// IEEE 754 double
+  /// </summary>
+  public class Double : IDBusType
+  {
+    public const char Code = 'd';
+    private System.Double val;
+    
+    private Double()
+    {
+    }
+    
+    public Double(System.Double val) 
+    {
+      this.val = val;
+    }
+
+    public Double(IntPtr iter)
+    {
+      this.val = dbus_message_iter_get_double(iter);
+    }
+    
+    public void Append(IntPtr iter)
+    {
+      if (!dbus_message_iter_append_double(iter, val))
+	throw new ApplicationException("Failed to append DOUBLE argument:" + val);
+    }
+
+    public static bool Suits(System.Type type) 
+    {
+      switch (type.ToString()) {
+      case "System.Double":
+      case "System.Double&":
+	return true;
+      }
+      
+      return false;
+    }
+
+    public static void EmitMarshalIn(ILGenerator generator, Type type)
+    {
+      if (type.IsByRef) {
+	generator.Emit(OpCodes.Ldind_R8);
+      }
+    }
+
+    public static void EmitMarshalOut(ILGenerator generator, Type type, bool isReturn) 
+    {
+      generator.Emit(OpCodes.Unbox, type);
+      generator.Emit(OpCodes.Ldind_R8);
+      if (!isReturn) {
+	generator.Emit(OpCodes.Stind_R8);
+      }
+    }
+    
+    public object Get() 
+    {
+      return this.val;
+    }
+
+    public object Get(System.Type type)
+    {
+      switch (type.ToString()) {
+      case "System.Double":
+      case "System.Double&":
+	return this.val;
+      default:
+	throw new ArgumentException("Cannot cast DBus.Type.Double to type '" + type.ToString() + "'");
+      }
+    }
+
+    [DllImport("dbus-1")]
+    private extern static System.Double dbus_message_iter_get_double(IntPtr iter);
+ 
+    [DllImport("dbus-1")]
+    private extern static bool dbus_message_iter_append_double(IntPtr iter, System.Double value);
+  }
+}