From 968230bd25eb5e0bd20f80059b725aba569f1356 Mon Sep 17 00:00:00 2001
From: Mike Kestner <mkestner@gmail.com>
Date: Mon, 8 Dec 2003 19:14:12 +0000
Subject: [PATCH] 2003-12-08  Mike Kestner  <mkestner@ximian.com>

	* generator/VMSignature.cs : new class to generate virtual method
	signatures for default signal handlers.

svn path=/trunk/gtk-sharp/; revision=20888
---
 ChangeLog                |  5 ++++
 generator/VMSignature.cs | 62 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100644 generator/VMSignature.cs

diff --git a/ChangeLog b/ChangeLog
index 9c5d56ddd..5188c8eeb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-12-08  Mike Kestner  <mkestner@ximian.com>
+
+	* generator/VMSignature.cs : new class to generate virtual method
+	signatures for default signal handlers.
+
 2003-12-08  Mike Kestner  <mkestner@ximian.com>
 
 	* generator/ObjectGen.cs : stupid little whitespace change
diff --git a/generator/VMSignature.cs b/generator/VMSignature.cs
new file mode 100644
index 000000000..f4261f54a
--- /dev/null
+++ b/generator/VMSignature.cs
@@ -0,0 +1,62 @@
+// GtkSharp.Generation.VMSignature.cs - The Virtual Method Signature Generation Class.
+//
+// Author: Mike Kestner <mkestner@ximian.com>
+//
+// (c) 2003 Novell, Inc.
+
+namespace GtkSharp.Generation {
+
+	using System;
+	using System.Collections;
+	using System.Xml;
+
+	public class VMSignature  {
+		
+		private ArrayList parms = new ArrayList ();
+
+		public VMSignature (Parameters parms) 
+		{
+			if (parms == null)
+				return;
+
+			bool has_cb = parms.HideData;
+			for (int i = 1; i < parms.Count; i++) {
+				Parameter p = parms [i];
+
+				if (i > 1 && p.IsLength && parms [i - 1].IsString)
+					continue;
+
+				if (p.IsCount && ((i > 1 && parms [i - 1].IsArray) || (i < parms.Count - 1 && parms [i + 1].IsArray)))
+					continue;
+
+				has_cb = has_cb || p.Generatable is CallbackGen;
+				if (p.IsUserData && has_cb && (i == parms.Count - 1)) 
+					continue;
+
+				if (p.CType == "GError**")
+					continue;
+
+				this.parms.Add (p);
+			}
+		}
+
+		public override string ToString ()
+		{
+			if (parms.Count == 0)
+				return "";
+
+			string[] result = new string [parms.Count];
+			int i = 0;
+
+			foreach (Parameter p in parms) {
+				result [i] = p.PassAs != "" ? p.PassAs + " " : "";
+				if (p.Generatable is StructGen)
+					result [i] += "ref ";
+				result [i++] += p.CSType + " " + p.Name;
+			}
+
+			return String.Join (", ", result);
+		}
+	}
+}
+