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179 lines (146 loc) · 5.42 KB
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// GtkSharp.Generation.Ctor.cs - The Constructor Generation Class.
//
// Author: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2001-2003 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.Collections.Generic;
using System.IO;
using System.Xml;
public class Ctor : MethodBase {
private bool preferred;
private bool deprecated;
private string name;
private bool needs_chaining;
public Ctor (XmlElement elem, ClassBase implementor) : base (elem, implementor)
{
preferred = elem.GetAttributeAsBoolean ("preferred");
deprecated = elem.GetAttributeAsBoolean("deprecated");
if (implementor is ObjectGen)
needs_chaining = true;
name = implementor.Name;
}
public bool Preferred {
get { return preferred; }
set { preferred = value; }
}
public bool IsDeprecated {
get {
return deprecated;
}
}
public string StaticName {
get {
if (!IsStatic)
return String.Empty;
if (Name != null && Name != String.Empty)
return Name;
string[] toks = CName.Substring(CName.IndexOf("new")).Split ('_');
string result = String.Empty;
foreach (string tok in toks)
result += tok.Substring(0,1).ToUpper() + tok.Substring(1);
return result;
}
}
void GenerateImport (StreamWriter sw)
{
sw.WriteLine("\t\t[UnmanagedFunctionPointer (CallingConvention.Cdecl)]");
sw.WriteLine("\t\tdelegate IntPtr d_{0}({1});", CName, Parameters.ImportSignature);
sw.WriteLine("\t\tstatic d_{0} {0} = FuncLoader.LoadFunction<d_{0}>(FuncLoader.GetProcAddress(GLibrary.Load({1}), \"{0}\"));", CName, LibraryName);
sw.WriteLine();
}
void GenerateStatic (GenerationInfo gen_info)
{
StreamWriter sw = gen_info.Writer;
sw.WriteLine("\t\t" + Protection + " static " + Safety + Modifiers + name + " " + StaticName + "(" + Signature + ")");
sw.WriteLine("\t\t{");
Body.Initialize(gen_info, false, false, "");
sw.Write("\t\t\t" + name + " result = ");
if (container_type is StructBase)
sw.Write ("{0}.New (", name);
else
sw.Write ("new {0} (", name);
sw.WriteLine (CName + "(" + Body.GetCallString (false) + "));");
Body.Finish (sw, "");
Body.HandleException (sw, "");
sw.WriteLine ("\t\t\treturn result;");
}
public void Generate (GenerationInfo gen_info)
{
StreamWriter sw = gen_info.Writer;
gen_info.CurrentMember = CName;
GenerateImport (sw);
if (IsStatic)
GenerateStatic (gen_info);
else {
if (IsDeprecated)
sw.WriteLine("\t\t[Obsolete]");
sw.WriteLine("\t\t{0} {1}{2} ({3}) {4}", Protection, Safety, name, Signature.ToString(), needs_chaining ? ": base (IntPtr.Zero)" : "");
sw.WriteLine("\t\t{");
if (needs_chaining) {
sw.WriteLine ("\t\t\tif (GetType () != typeof (" + name + ")) {");
if (Parameters.Count == 0) {
sw.WriteLine ("\t\t\t\tCreateNativeObject (Array.Empty<string> (), Array.Empty<GLib.Value> ());");
sw.WriteLine ("\t\t\t\treturn;");
} else {
var names = new List<string> ();
var values = new List<string> ();
for (int i = 0; i < Parameters.Count; i++) {
Parameter p = Parameters[i];
if (container_type.GetPropertyRecursively (p.StudlyName) != null) {
names.Add (p.Name);
values.Add (p.Name);
} else if (p.PropertyName != String.Empty) {
names.Add (p.PropertyName);
values.Add (p.Name);
}
}
//if (names.Count == Parameters.Count) {
sw.WriteLine ("\t\t\t\tvar vals = new List<GLib.Value> ();");
sw.WriteLine ("\t\t\t\tvar names = new List<string> ();");
for (int i = 0; i < names.Count; i++) {
Parameter p = Parameters [i];
string indent = "\t\t\t\t";
if (p.Generatable is ClassBase && !(p.Generatable is StructBase)) {
sw.WriteLine (indent + "if (" + p.Name + " != null) {");
indent += "\t";
}
sw.WriteLine (indent + "names.Add (\"" + names [i] + "\");");
sw.WriteLine (indent + "vals.Add (new GLib.Value (" + values[i] + "));");
if (p.Generatable is ClassBase && !(p.Generatable is StructBase))
sw.WriteLine ("\t\t\t\t}");
}
sw.WriteLine ("\t\t\t\tCreateNativeObject (names.ToArray (), vals.ToArray ());");
sw.WriteLine ("\t\t\t\treturn;");
//} else
// sw.WriteLine ("\t\t\t\tthrow new InvalidOperationException (\"Can't override this constructor.\");");
}
sw.WriteLine ("\t\t\t}");
}
Body.Initialize(gen_info, false, false, "");
sw.WriteLine("\t\t\t{0} = {1}({2});", container_type.AssignToName, CName, Body.GetCallString (false));
Body.Finish (sw, "");
Body.HandleException (sw, "");
}
sw.WriteLine("\t\t}");
sw.WriteLine();
Statistics.CtorCount++;
}
}
}