UInt32.cs

using System;
using System.Runtime.InteropServices;
using System.Reflection.Emit;

using DBus;

namespace DBus.DBusType
{
  public class UInt32 : IDBusType
  {
    public const char Code = 'u';
    private System.UInt32 val;
    
    private UInt32()
    {
    }
    
    public UInt32(System.UInt32 val, Service service) 
    {
      this.val = val;
    }

    public UInt32(IntPtr iter, Service service)
    {
      dbus_message_iter_get_basic (iter, out this.val);
    }
    
    public void Append(IntPtr iter)
    {
      if (!dbus_message_iter_append_basic (iter, (int) Code, ref val))
        throw new ApplicationException("Failed to append UINT32 argument:" + val);
    }

    public static bool Suits(System.Type type) 
    {
      if (type.IsEnum && Enum.GetUnderlyingType (type) == typeof(System.UInt32)) {
        return true;
      }

      switch (type.ToString()) {
      case "System.UInt32":
      case "System.UInt32&":
        return true;
      }
      
      return false;
    }

    public static void EmitMarshalIn(ILGenerator generator, Type type)
    {
      if (type.IsByRef) {
        generator.Emit(OpCodes.Ldind_U4);
      }
    }

    public static void EmitMarshalOut(ILGenerator generator, Type type, bool isReturn) 
    {
      generator.Emit(OpCodes.Unbox, type);
      generator.Emit(OpCodes.Ldind_U4);
      if (!isReturn) {
        generator.Emit(OpCodes.Stind_I4);
      }
    }
    
    public object Get() 
    {
      return this.val;
    }

    public object Get(System.Type type)
    {
      if (type.IsEnum) {
        return Enum.ToObject(type, this.val);
      }

      switch (type.ToString()) 
        {
        case "System.UInt32":
        case "System.UInt32&":
          return this.val;
        default:
          throw new ArgumentException("Cannot cast DBus.Type.UInt32 to type '" + type.ToString() + "'");
        }
    }    

    [DllImport("dbus-1")]
    private extern static void dbus_message_iter_get_basic (IntPtr iter, out System.UInt32 value);
 
    [DllImport("dbus-1")]
    private extern static bool dbus_message_iter_append_basic (IntPtr iter, int type, ref System.UInt32 value);
  }
}

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