GtkSharp/Source/Tools/GapiCodegen/Property.cs
2017-10-23 01:25:13 +02:00

200 lines
5.8 KiB
C#
Executable file

// GtkSharp.Generation.Property.cs - The Property Generatable.
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// Copyright (c) 2001-2003 Mike Kestner
// Copyright (c) 2004 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;
using System.IO;
using System.Xml;
public class Property : PropertyBase {
public Property (XmlElement elem, ClassBase container_type) : base (elem, container_type) {}
public bool Validate (LogWriter log)
{
if (CSType == "" && !Hidden) {
log.Member = Name;
log.Warn ("property has unknown type '{0}' ", CType);
Statistics.ThrottledCount++;
return false;
}
return true;
}
bool Readable {
get {
return elem.GetAttributeAsBoolean ("readable");
}
}
bool Writable {
get {
return elem.GetAttributeAsBoolean ("writeable") &&
!elem.GetAttributeAsBoolean ("construct-only");
}
}
bool IsDeprecated {
get {
return !container_type.IsDeprecated &&
elem.GetAttributeAsBoolean ("deprecated");
}
}
protected virtual string PropertyAttribute (string qpname) {
return "[GLib.Property (" + qpname + ")]";
}
protected virtual string RawGetter (string qpname) {
if (container_type is InterfaceGen)
return "implementor.GetProperty (" + qpname + ")";
return "GetProperty (" + qpname + ")";
}
protected virtual string RawSetter (string qpname) {
if (container_type is InterfaceGen)
return "implementor.SetProperty(" + qpname + ", val)";
return "SetProperty(" + qpname + ", val)";
}
public void GenerateDecl (StreamWriter sw, string indent)
{
if (Hidden || (!Readable && !Writable))
return;
string name = Name;
if (name == container_type.Name)
name += "Prop";
sw.WriteLine (indent + CSType + " " + name + " {");
sw.Write (indent + "\t");
if (Readable || Getter != null)
sw.Write ("get; ");
if (Writable || Setter != null)
sw.Write ("set;");
sw.WriteLine ();
sw.WriteLine (indent + "}");
}
public void Generate (GenerationInfo gen_info, string indent, ClassBase implementor)
{
SymbolTable table = SymbolTable.Table;
StreamWriter sw = gen_info.Writer;
if (Hidden || (!Readable && !Writable))
return;
string modifiers = "";
if (IsNew || (container_type.Parent != null && container_type.Parent.GetPropertyRecursively (Name) != null))
modifiers = "new ";
else if (implementor != null && implementor.Parent != null && implementor.Parent.GetPropertyRecursively (Name) != null)
modifiers = "new ";
string name = Name;
if (name == container_type.Name) {
name += "Prop";
}
string qpname = "\"" + CName + "\"";
string v_type = "";
if (table.IsInterface (CType)) {
v_type = "(GLib.Object)";
} else if (table.IsOpaque (CType)) {
v_type = "(GLib.Opaque)";
} else if (table.IsEnum (CType)) {
v_type = "(Enum)";
}
GenerateImports (gen_info, indent);
if (IsDeprecated ||
(Getter != null && Getter.IsDeprecated) ||
(Setter != null && Setter.IsDeprecated))
sw.WriteLine (indent + "[Obsolete]");
sw.WriteLine (indent + PropertyAttribute (qpname));
sw.WriteLine (indent + "public " + modifiers + CSType + " " + name + " {");
indent += "\t";
if (Getter != null) {
sw.Write(indent + "get ");
Getter.GenerateBody(gen_info, implementor, "\t");
sw.WriteLine();
} else if (Readable) {
sw.WriteLine(indent + "get {");
sw.WriteLine(indent + "\tGLib.Value val = " + RawGetter (qpname) + ";");
if (table.IsOpaque (CType) || table.IsBoxed (CType)) {
sw.WriteLine(indent + "\t" + CSType + " ret = (" + CSType + ") val;");
} else if (table.IsInterface (CType)) {
var igen = table.GetInterfaceGen (CType);
// Do we have to dispose the GLib.Object from the GLib.Value?
sw.WriteLine (indent + "\t{0} ret = {1}.GetObject ((GLib.Object) val);",
igen.QualifiedName, igen.QualifiedAdapterName);
} else {
sw.Write(indent + "\t" + CSType + " ret = ");
sw.Write ("(" + CSType + ") ");
if (v_type != "") {
sw.Write(v_type + " ");
}
sw.WriteLine("val;");
}
sw.WriteLine(indent + "\tval.Dispose ();");
sw.WriteLine(indent + "\treturn ret;");
sw.WriteLine(indent + "}");
}
if (Setter != null) {
sw.Write(indent + "set ");
Setter.GenerateBody(gen_info, implementor, "\t");
sw.WriteLine();
} else if (Writable) {
sw.WriteLine(indent + "set {");
sw.Write(indent + "\tGLib.Value val = ");
if (table.IsBoxed (CType)) {
sw.WriteLine("(GLib.Value) value;");
} else if (table.IsOpaque (CType)) {
sw.WriteLine("new GLib.Value(value, \"{0}\");", CType);
} else {
sw.Write("new GLib.Value(");
if (v_type != "" && !(table.IsObject (CType) || table.IsInterface (CType) || table.IsOpaque (CType))) {
sw.Write(v_type + " ");
}
sw.WriteLine("value);");
}
sw.WriteLine(indent + "\t" + RawSetter (qpname) + ";");
sw.WriteLine(indent + "\tval.Dispose ();");
sw.WriteLine(indent + "}");
}
sw.WriteLine(indent.Substring (1) + "}");
sw.WriteLine();
Statistics.PropCount++;
}
}
}