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![Joe Shaw](/assets/img/avatar_default.png)
* generator/ObjectGen.cs (GenProperty): And uncomment it out because the compiler bug is fixed. svn path=/trunk/gtk-sharp/; revision=4424
270 lines
7.5 KiB
C#
270 lines
7.5 KiB
C#
// GtkSharp.Generation.ObjectGen.cs - The Object Generatable.
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// (c) 2001 Mike Kestner
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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 ObjectGen : StructBase, IGeneratable {
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public ObjectGen (String ns, XmlElement elem) : base (ns, elem) {}
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public 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 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 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 void Generate (SymbolTable table)
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{
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char sep = Path.DirectorySeparatorChar;
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string dir = ".." + sep + ns.ToLower() + sep + "generated";
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if (!Directory.Exists(dir)) {
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Directory.CreateDirectory(dir);
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}
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String filename = dir + sep + Name + ".cs";
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FileStream stream = new FileStream (filename, FileMode.Create, FileAccess.Write);
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StreamWriter sw = new StreamWriter (stream);
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sw.WriteLine ("// Generated File. Do not modify.");
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sw.WriteLine ("// <c> 2001-2002 Mike Kestner");
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sw.WriteLine ();
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sw.WriteLine ("namespace " + ns + " {");
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sw.WriteLine ();
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sw.WriteLine ("\tusing System;");
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sw.WriteLine ("\tusing System.Collections;");
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sw.WriteLine ("\tusing System.Runtime.InteropServices;");
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sw.WriteLine ();
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String parent = elem.GetAttribute("parent");
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String cs_parent = table.GetCSType(parent);
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sw.Write ("\tpublic class " + Name);
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if (cs_parent == "") {
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sw.WriteLine (" {");
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Console.WriteLine ("Object " + Name + " Unknown parent " + parent);
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} else {
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sw.WriteLine (" : " + cs_parent + " {");
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}
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sw.WriteLine ();
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sw.WriteLine("\t\tpublic " + Name + "(IntPtr raw) : base(raw) {}");
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sw.WriteLine();
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Hashtable clash_map = new Hashtable();
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Hashtable props = new Hashtable();
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Hashtable sigs = new Hashtable();
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ArrayList methods = new ArrayList();
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bool first_sig = true;
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foreach (XmlNode node in elem.ChildNodes) {
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XmlElement member = (XmlElement) node;
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switch (node.Name) {
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case "field":
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Statistics.IgnoreCount++;
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break;
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case "callback":
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Statistics.IgnoreCount++;
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break;
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case "constructor":
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if (!GenCtor(member, table, sw, clash_map)) {
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Console.WriteLine("in object " + CName);
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}
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break;
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case "method":
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methods.Add(member);
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break;
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case "property":
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String pname;
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if (!GenProperty(member, table, sw, out pname)) {
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Console.WriteLine("in object " + CName);
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}
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props.Add(pname, pname);
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break;
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case "signal":
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if (first_sig) {
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first_sig = false;
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sw.WriteLine("\t\tprivate Hashtable Signals = new Hashtable();");
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}
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String sname;
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if (!GenSignal(member, table, sw, out sname)) {
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Console.WriteLine("in object " + CName);
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}
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sigs.Add(sname, sname);
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break;
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default:
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Console.WriteLine ("Unexpected node");
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break;
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}
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}
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if (!clash_map.ContainsKey("")) {
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sw.WriteLine("\t\tprotected " + Name + "() : base(){}");
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sw.WriteLine();
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}
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foreach (XmlElement member in methods) {
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String mname = member.GetAttribute("name");
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if ((mname.StartsWith("Set") || mname.StartsWith("Get")) &&
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props.ContainsKey(mname.Substring(3))) {
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continue;
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} else if (sigs.ContainsKey(mname)) {
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member.SetAttribute("name", "Emit" + mname);
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}
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if (!GenMethod(member, table, sw)) {
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Console.WriteLine("in object " + CName);
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}
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}
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string custom = ".." + sep + ns.ToLower() + sep + Name + ".custom";
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if (File.Exists(custom)) {
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FileStream custstream = new FileStream (custom, FileMode.Open, FileAccess.Read);
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StreamReader sr = new StreamReader (custstream);
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sw.WriteLine (sr.ReadToEnd ());
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sr.Close ();
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}
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sw.WriteLine ("\t}");
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sw.WriteLine ();
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sw.WriteLine ("}");
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sw.Flush();
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sw.Close();
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Statistics.ObjectCount++;
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}
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public bool GenProperty (XmlElement prop, SymbolTable table, StreamWriter sw, out String name)
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{
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String c_type = prop.GetAttribute("type");
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char[] ast = {'*'};
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c_type = c_type.TrimEnd(ast);
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string cs_type = table.GetCSType(c_type);
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XmlElement parent = (XmlElement) prop.ParentNode;
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name = prop.GetAttribute("name");
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if (name == parent.GetAttribute("name")) {
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name += "Prop";
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}
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string v_type = "";
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if (table.IsEnum(c_type)) {
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v_type = "int";
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} else if (table.IsInterface(c_type)) {
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// FIXME: Handle interface props properly.
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Console.Write("Interface property detected ");
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Statistics.ThrottledCount++;
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return true;
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} else if (table.IsObject(c_type)) {
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v_type = "GLib.Object";
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}
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if (cs_type == "") {
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Console.Write("Property has unknown Type {0} ", c_type);
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Statistics.ThrottledCount++;
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return false;
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}
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if (prop.HasAttribute("construct-only") && !prop.HasAttribute("readable")) {
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return true;
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}
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sw.WriteLine("\t\tpublic " + cs_type + " " + name + " {");
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if (prop.HasAttribute("readable")) {
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sw.WriteLine("\t\t\tget {");
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sw.WriteLine("\t\t\t\tGLib.Value val;");
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sw.WriteLine("\t\t\t\tGetProperty(\"" + prop.GetAttribute("cname") + "\", out val);");
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sw.Write("\t\t\t\treturn (" + cs_type + ") ");
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if (v_type != "") {
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sw.Write("(" + v_type + ") ");
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}
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sw.WriteLine("val;");
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sw.WriteLine("\t\t\t}");
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}
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if (prop.HasAttribute("writeable") && !prop.HasAttribute("construct-only")) {
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sw.WriteLine("\t\t\tset {");
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sw.Write("\t\t\t\tSetProperty(\"" + prop.GetAttribute("cname") + "\", new GLib.Value(");
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if (v_type != "") {
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sw.Write("(" + v_type + ") ");
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}
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sw.WriteLine("value));");
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sw.WriteLine("\t\t\t}");
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}
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sw.WriteLine("\t\t}");
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sw.WriteLine();
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Statistics.PropCount++;
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return true;
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}
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public bool GenSignal (XmlElement sig, SymbolTable table, StreamWriter sw, out String name)
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{
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String cname = "\"" + sig.GetAttribute("cname") + "\"";
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name = sig.GetAttribute("name");
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String marsh = SignalHandler.GetName(sig, table);
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if (marsh == "") {
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Statistics.ThrottledCount++;
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return false;
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}
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marsh = "GtkSharp." + marsh;
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sw.WriteLine("\t\t/// <summary> " + name + " Event </summary>");
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sw.WriteLine("\t\t/// <remarks>");
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// FIXME: Generate some signal docs
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sw.WriteLine("\t\t/// </remarks>");
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sw.WriteLine();
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sw.WriteLine("\t\tpublic event EventHandler " + name + " {");
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sw.WriteLine("\t\t\tadd {");
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sw.WriteLine("\t\t\t\tif (EventList[" + cname + "] == null)");
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sw.Write("\t\t\t\t\tSignals[" + cname + "] = new " + marsh);
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sw.WriteLine("(this, Handle, " + cname + ", value);");
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sw.WriteLine("\t\t\t\tEventList.AddHandler(" + cname + ", value);");
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sw.WriteLine("\t\t\t}");
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sw.WriteLine("\t\t\tremove {");
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sw.WriteLine("\t\t\t\tEventList.RemoveHandler(" + cname + ", value);");
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sw.WriteLine("\t\t\t\tif (EventList[" + cname + "] == null)");
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sw.WriteLine("\t\t\t\t\tSignals.Remove(" + cname + ");");
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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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Statistics.SignalCount++;
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return true;
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}
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}
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}
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