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9f780a56b2
* generator/*.cs: add DefaultValue prop for obtaining a sane value when we need to return a value but something bad has happened such that we can't get a real value. Needed for iface signal marshaling, among other places we're partially working around it now. svn path=/trunk/gtk-sharp/; revision=86157
64 lines
1.8 KiB
C#
64 lines
1.8 KiB
C#
// GtkSharp.Generation.ByRefGen.cs - The ByRef type Generatable.
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//
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// Author: Mike Kestner <mkestner@novell.com>
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//
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// Copyright (c) 2003 Mike Kestner
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// Copyright (c) 2004 Novell, Inc.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the GNU General Public
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// License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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namespace GtkSharp.Generation {
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using System;
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public class ByRefGen : SimpleBase, IManualMarshaler {
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public ByRefGen (string ctype, string type) : base (ctype, type, type + ".Empty") {}
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public override string MarshalType {
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get {
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return "IntPtr";
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}
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}
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public override string CallByName (string var_name)
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{
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return "native_" + var_name;
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}
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public string AllocNative ()
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{
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return "Marshal.AllocHGlobal (Marshal.SizeOf (typeof (" + QualifiedName + ")))";
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}
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public string AllocNative (string var_name)
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{
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return "GLib.Marshaller.StructureToPtrAlloc (" + var_name + ")";
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}
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public override string FromNative (string var_name)
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{
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return String.Format ("({0}) Marshal.PtrToStructure ({1}, typeof ({0}))", QualifiedName, var_name);
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}
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public string ReleaseNative (string var_name)
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{
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return "GLib.Marshaller.Free (" + var_name + ")";
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}
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}
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}
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