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// GtkSharp.Generation.ReturnValue.cs - The ReturnValue Generatable.
//
// Author: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2004-2005 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.Xml;
public class ReturnValue {
private XmlElement elem;
public ReturnValue (XmlElement elem)
{
this.elem = elem;
}
public string CType {
get {
return elem == null ? String.Empty : elem.GetAttribute("type");
}
}
public string CSType {
get {
if (IGen == null)
return String.Empty;
if (ElementType != String.Empty)
return ElementType + "[]";
return IGen.QualifiedName + (IsArray ? "[]" : String.Empty);
}
}
string ElementCType {
get {
if (elem != null && elem.HasAttribute ("element_type"))
return elem.GetAttribute ("element_type");
return String.Empty;
}
}
bool ElementsOwned {
get {
if (elem != null && elem.GetAttribute ("elements_owned") == "true")
return true;
return false;
}
}
string ElementType {
get {
if (ElementCType.Length > 0)
return SymbolTable.Table.GetCSType (ElementCType);
return String.Empty;
}
}
IGeneratable igen;
IGeneratable IGen {
get {
if (igen == null)
igen = SymbolTable.Table [CType];
return igen;
}
}
bool IsArray {
get {
return elem == null ? false : elem.HasAttribute ("array");
}
}
public bool IsVoid {
get {
return CSType == "void";
}
}
public string MarshalType {
get {
if (IGen == null)
return String.Empty;
return IGen.MarshalReturnType + (IsArray ? "[]" : String.Empty);
}
}
bool Owned {
get {
return elem.GetAttribute ("owned") == "true";
}
}
public string ToNativeType {
get {
if (IGen == null)
return String.Empty;
return IGen.ToNativeReturnType + (IsArray ? "[]" : String.Empty);
}
}
public string FromNative (string var)
{
if (IGen == null)
return String.Empty;
if (ElementType != String.Empty) {
string type_str = "typeof (" + ElementType + ")";
string args = type_str + ", " + (Owned ? "true" : "false") + ", " + (ElementsOwned ? "true" : "false");
return String.Format ("({0}[]) GLib.Marshaller.ListToArray ({1}, {2})", ElementType, IGen.FromNativeReturn (var + ", " + args), type_str);
} else if (IGen is HandleBase)
return ((HandleBase)IGen).FromNative (var, Owned);
else
return IGen.FromNativeReturn (var);
}
public bool Validate ()
{
if (MarshalType == "" || CSType == "") {
Console.Write("rettype: " + CType);
return false;
}
return true;
}
}
}
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