GtkSharp/generator/ManagedCallString.cs
Mike Kestner d8fb820b89 2007-04-20 Mike Kestner <mkestner@novell.com>
* generator/CallbackGen.cs : switch to NativeCallbackSignature.
	* generator/GenBase.cs : add NativeCallbackType member.
	* generator/IGeneratable.cs : add NativeCallbackType member.
	* generator/ManagedCallString.cs : add guarded post call struct
	marshaling back to the native struct.
	* generator/NativeCallbackSignature.cs : new parallel to ImportSignature
	but using NativeCallbackType instead of MarshalType.
	* generator/Signal.cs : switch vm and sig marshaler callbacks to 
	NativeCallbackSignature. Perform guarding post call struct marshaling
	back to the native struct.
	* generator/Parameters.cs : add NativeCallbackType member.
	* generator/SimpleBase.cs : add NativeCallbackType member.
	* generator/StructBase.cs : add NativeCallbackType member using IntPtr
	to support NULL handling.
	* gtk/NodeCellDataFunc.cs : update native marshaler sig.

svn path=/trunk/gtk-sharp/; revision=76011
2007-04-20 15:38:47 +00:00

108 lines
2.8 KiB
C#

// GtkSharp.Generation.ManagedCallString.cs - The ManagedCallString Class.
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// Copyright (c) 2003 Mike Kestner
//
// 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.Collections;
using System.IO;
public class ManagedCallString {
ArrayList parms = new ArrayList ();
ArrayList special = new ArrayList ();
public ManagedCallString (Parameters parms)
{
for (int i = 1; i < parms.Count; i ++) {
Parameter p = parms [i];
if (p.IsLength && parms [i-1].IsString)
continue;
this.parms.Add (p);
IGeneratable igen = p.Generatable;
if ((igen is StructGen || p.PassAs != "") &&
(p.Name != p.FromNative (p.Name)))
this.special.Add (true);
else
this.special.Add (false);
}
}
public string Setup (string indent)
{
string ret = "";
for (int i = 0; i < parms.Count; i ++) {
if ((bool)special[i] == false)
continue;
Parameter p = parms [i] as Parameter;
IGeneratable igen = p.Generatable;
ret += indent + igen.QualifiedName + " my" + p.Name;
if (igen is StructGen || p.PassAs == "ref")
ret += " = " + p.FromNative (p.Name);
ret += ";\n";
}
return ret;
}
public override string ToString ()
{
if (parms.Count < 1)
return "";
string[] result = new string [parms.Count];
for (int i = 0; i < parms.Count; i ++) {
Parameter p = parms [i] as Parameter;
result [i] = p.PassAs == "" ? "" : p.PassAs + " ";
result [i] += ((bool)special[i]) ? "my" + p.Name : p.FromNative (p.Name);
}
return String.Join (", ", result);
}
public string Finish (string indent)
{
string ret = "";
for (int i = 0; i < parms.Count; i ++) {
if ((bool)special[i] == false)
continue;
Parameter p = parms [i] as Parameter;
IGeneratable igen = p.Generatable;
if (igen is StructBase)
ret += indent + String.Format ("if ({0} != IntPtr.Zero) System.Runtime.InteropServices.Marshal.StructureToPtr (my{0}, {0}, false);\n", p.Name);
else
ret += indent + p.Name + " = " + igen.ToNativeReturn ("my" + p.Name) + ";\n";
}
return ret;
}
}
}