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HandleBase.cs

// HandleBase.cs - Base class for Handle types
//
// Authors:  Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2005 Novell, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the GNU General Public
// License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.


namespace GtkSharp.Generation {

      using System;
      using System.IO;
      using System.Xml;

      public abstract class HandleBase : ClassBase, IAccessor {

            protected HandleBase (XmlElement ns, XmlElement elem) : base (ns, elem) {}
                              
            public override string AssignToName {
                  get {
                        return "Raw";
                  }
            }

            public override string MarshalType {
                  get {
                        return "IntPtr";
                  }
            }

            public override string CallByName (string name)
            {
                  return name + " == null ? IntPtr.Zero : " + name + ".Handle";
            }

            public override string CallByName ()
            {
                  return "Handle";
            }

            public abstract string FromNative (string var, bool owned);

            public override string FromNative (string var)
            {
                  return FromNative (var, false);
            }

            public string FromNativeReturn (string var, bool owned)
            {
                  return FromNative (var, owned);
            }

            public override string FromNativeReturn (string var)
            {
                  return FromNativeReturn (var, false);
            }

            public void WriteAccessors (StreamWriter sw, string indent, string var)
            {
                  sw.WriteLine (indent + "get {");
                  sw.WriteLine (indent + "\treturn " + FromNative (var, false) + ";");
                  sw.WriteLine (indent + "}");
                  sw.WriteLine (indent + "set {");
                  sw.WriteLine (indent + "\t" + var + " = " + CallByName ("value") + ";");
                  sw.WriteLine (indent + "}");
            }
      }
}

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