9d04b4dd06
the child properties for a given widget in a container, and generate the child properties as properties on those classes. * parser/gapi2xml.pl (addPropElem): don't prepend "child_" to child prop names any more * generator/ClassBase.cs (ClassBase): keep childprops separate from properties (GenChildProperties): create a subclass of Gtk.ContainerChild containing the container type's child properties, and override the Container indexer to return that type. * generator/ObjectGen.cs (Generate): call GenChildProperties * generator/Property.cs: * generator/ChildProperty.cs: Simplify these a bunch, since * child properties are now represented as C# properties as well. Also add [GLib.Property(cname)] and [Gtk.ChildProperty(cname)] attributes. * glib/Makefile.am (sources): add PropertyAttribute.cs * glib/PropertyAttribute.cs: attribute used to label GObject properties * gtk/Makefile.am (sources): add ChildPropertyAttribute.cs * gtk/gtk-api.raw: regenerate for parser changes (remove "Child"/"child_" from child property names). * gtk/ChildPropertyAttribute.cs: attribute used to label GtkContainer child properties * gtk/Container.custom: define the ContainerChild class, and an indexer to return instances of it. * doc/en/Gtk/: update for container child property change svn path=/trunk/gtk-sharp/; revision=36284
436 lines
9.9 KiB
C#
436 lines
9.9 KiB
C#
// GtkSharp.Generation.ClassBase.cs - Common code between object
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// and interface wrappers
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//
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// Authors: Rachel Hestilow <hestilow@ximian.com>
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// Mike Kestner <mkestner@speakeasy.net>
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//
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// Copyright (c) 2002 Rachel Hestilow
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// Copyright (c) 2001-2003 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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using System.Collections;
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using System.IO;
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using System.Xml;
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public class ClassBase : GenBase {
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protected Hashtable props = new Hashtable();
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protected Hashtable childprops = new Hashtable();
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protected Hashtable sigs = new Hashtable();
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protected Hashtable methods = new Hashtable();
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protected ArrayList interfaces = null;
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protected ArrayList ctors = new ArrayList();
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private bool ctors_initted = false;
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private Hashtable clash_map;
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private bool deprecated = false;
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private bool isabstract = false;
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public Hashtable Methods {
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get {
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return methods;
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}
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}
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public Hashtable Signals {
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get {
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return sigs;
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}
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}
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public ClassBase Parent {
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get {
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string parent = Elem.GetAttribute("parent");
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if (parent == "")
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return null;
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else
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return SymbolTable.Table.GetClassGen(parent);
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}
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}
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protected ClassBase (XmlElement ns, XmlElement elem) : base (ns, elem) {
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if (elem.HasAttribute ("deprecated"))
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deprecated = elem.GetAttribute ("deprecated") == "1";
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if (elem.HasAttribute ("abstract"))
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isabstract = elem.GetAttribute ("abstract") == "1";
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foreach (XmlNode node in elem.ChildNodes) {
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if (!(node is XmlElement)) continue;
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XmlElement member = (XmlElement) node;
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if (member.HasAttribute ("hidden"))
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continue;
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string name;
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switch (node.Name) {
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case "method":
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name = member.GetAttribute("name");
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while (methods.ContainsKey(name))
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name += "mangled";
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methods.Add (name, new Method (LibraryName, member, this));
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break;
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case "property":
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name = member.GetAttribute("name");
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while (props.ContainsKey(name))
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name += "mangled";
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props.Add (name, new Property (member, this));
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break;
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case "childprop":
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name = member.GetAttribute("name");
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while (props.ContainsKey(name))
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name += "mangled";
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childprops.Add (name, new ChildProperty (member, this));
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break;
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case "signal":
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name = member.GetAttribute("name");
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while (sigs.ContainsKey(name))
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name += "mangled";
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sigs.Add (name, new Signal (member, this));
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break;
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case "implements":
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interfaces = ParseImplements (member);
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break;
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case "constructor":
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ctors.Add (new Ctor (LibraryName, member, this));
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break;
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default:
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break;
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}
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}
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}
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public bool IsDeprecated {
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get {
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return deprecated;
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}
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}
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public bool IsAbstract {
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get {
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return isabstract;
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}
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}
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protected bool IsNodeNameHandled (string name)
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{
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switch (name) {
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case "method":
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case "property":
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case "childprop":
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case "signal":
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case "implements":
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case "constructor":
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case "disabledefaultconstructor":
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return true;
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default:
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return false;
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}
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}
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public virtual string MarshalType {
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get
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{
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return "IntPtr";
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}
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}
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public virtual string MarshalReturnType {
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get
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{
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return "IntPtr";
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}
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}
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public virtual string CallByName (string var_name)
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{
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return var_name + ".Handle";
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}
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public virtual string CallByName ()
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{
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return "Handle";
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}
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public virtual string AssignToName {
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get { return "Raw"; }
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}
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public virtual string FromNative(string var)
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{
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return "(" + QualifiedName + ") GLib.Object.GetObject(" + var + ")";
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}
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public virtual string FromNativeReturn(string var)
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{
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return FromNative (var);
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}
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public virtual string ToNativeReturn(string var)
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{
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return CallByName (var);
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}
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protected void GenProperties (GenerationInfo gen_info)
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{
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if (props.Count == 0)
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return;
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foreach (Property prop in props.Values) {
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if (prop.Validate ())
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prop.Generate (gen_info, "\t\t");
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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}
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protected void GenChildProperties (GenerationInfo gen_info)
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{
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if (childprops.Count == 0)
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return;
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StreamWriter sw = gen_info.Writer;
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sw.WriteLine ("\t\tpublic new class " + Name + "Child : Gtk.Container.ContainerChild {");
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sw.WriteLine ("\t\t\tinternal " + Name + "Child (Gtk.Container parent, Gtk.Widget child) : base (parent, child) {}");
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sw.WriteLine ("");
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foreach (ChildProperty prop in childprops.Values) {
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if (prop.Validate ())
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prop.Generate (gen_info, "\t\t\t");
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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sw.WriteLine ("\t\t}");
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sw.WriteLine ("");
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sw.WriteLine ("\t\tpublic override Gtk.Container.ContainerChild this [Gtk.Widget child] {");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn new " + Name + "Child (this, child);");
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sw.WriteLine ("\t\t\t}");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ("");
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}
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public void GenSignals (GenerationInfo gen_info, ClassBase implementor)
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{
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if (sigs == null)
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return;
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foreach (Signal sig in sigs.Values) {
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if (sig.Validate ())
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sig.Generate (gen_info, implementor);
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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}
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private ArrayList ParseImplements (XmlElement member)
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{
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ArrayList ifaces = new ArrayList ();
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foreach (XmlNode node in member.ChildNodes) {
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if (node.Name != "interface")
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continue;
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XmlElement element = (XmlElement) node;
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ifaces.Add (element.GetAttribute ("cname"));
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}
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return ifaces;
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}
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protected bool IgnoreMethod (Method method)
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{
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string mname = method.Name;
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return ((mname.StartsWith("Set") || mname.StartsWith("Get")) &&
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(props != null) && props.ContainsKey(mname.Substring(3)));
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}
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public void GenMethods (GenerationInfo gen_info, Hashtable collisions, ClassBase implementor)
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{
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if (methods == null)
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return;
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foreach (Method method in methods.Values) {
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if (IgnoreMethod (method))
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continue;
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if (method.Validate ())
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{
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string oname = null, oprotection = null;
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if (collisions != null && collisions.Contains (method.Name))
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{
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oname = method.Name;
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oprotection = method.Protection;
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method.Name = Name + "." + method.Name;
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method.Protection = "";
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}
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method.Generate (gen_info, implementor);
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if (oname != null)
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{
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method.Name = oname;
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method.Protection = oprotection;
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}
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}
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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}
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public Method GetMethod (string name)
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{
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return (Method) methods[name];
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}
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public Property GetProperty (string name)
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{
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return (Property) props[name];
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}
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public Signal GetSignal (string name)
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{
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return (Signal) sigs[name];
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}
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public Method GetMethodRecursively (string name)
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{
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return GetMethodRecursively (name, false);
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}
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public virtual Method GetMethodRecursively (string name, bool check_self)
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{
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Method p = null;
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if (check_self)
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p = GetMethod (name);
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if (p == null && Parent != null)
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p = Parent.GetMethodRecursively (name, true);
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if (check_self && p == null && interfaces != null) {
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foreach (string iface in interfaces) {
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ClassBase igen = SymbolTable.Table.GetClassGen (iface);
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p = igen.GetMethodRecursively (name, true);
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if (p != null)
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break;
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}
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}
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return p;
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}
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public virtual Property GetPropertyRecursively (string name)
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{
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ClassBase klass = this;
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Property p = null;
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while (klass != null && p == null) {
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p = (Property) klass.GetProperty (name);
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klass = klass.Parent;
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}
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return p;
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}
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public Signal GetSignalRecursively (string name)
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{
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return GetSignalRecursively (name, false);
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}
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public virtual Signal GetSignalRecursively (string name, bool check_self)
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{
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Signal p = null;
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if (check_self)
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p = GetSignal (name);
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if (p == null && Parent != null)
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p = Parent.GetSignalRecursively (name, true);
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if (check_self && p == null && interfaces != null) {
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foreach (string iface in interfaces) {
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ClassBase igen = SymbolTable.Table.GetClassGen (iface);
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p = igen.GetSignalRecursively (name, true);
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if (p != null)
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break;
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}
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}
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return p;
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}
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public bool Implements (string iface)
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{
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if (interfaces != null)
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return interfaces.Contains (iface);
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else
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return false;
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}
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public ArrayList Ctors { get { return ctors; } }
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private void InitializeCtors ()
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{
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if (ctors_initted)
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return;
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ArrayList valid_ctors = new ArrayList();
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clash_map = new Hashtable();
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bool has_preferred = false;
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foreach (Ctor ctor in ctors) {
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if (ctor.Validate ()) {
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ctor.InitClashMap (clash_map);
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if (ctor.Preferred)
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has_preferred = true;
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valid_ctors.Add (ctor);
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}
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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ctors = valid_ctors;
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if (!has_preferred && ctors.Count > 0)
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((Ctor) ctors[0]).Preferred = true;
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foreach (Ctor ctor in ctors)
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ctor.Initialize (clash_map);
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ctors_initted = true;
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}
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protected virtual void GenCtors (GenerationInfo gen_info)
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{
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ClassBase klass = this;
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while (klass != null) {
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klass.InitializeCtors ();
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klass = klass.Parent;
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}
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foreach (Ctor ctor in ctors)
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ctor.Generate (gen_info);
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}
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}
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}
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