// GtkSharp.Generation.ReturnValue.cs - The ReturnValue Generatable. // // Author: Mike Kestner // // 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; } } }