GtkSharp/generator/Property.cs
Mike Kestner 1ac00ff205 2004-04-12 Mike Kestner <mkestner@ximian.com>
[Rework of a patch from Ben Maurer to turn GLib.Value
	into a valuetype.]
	* generator/BoxedGen.cs : fix operators for new valuetype GValues.
	* generator/ByRefGen.cs : new generatable for byref value types.
	* generator/Makefile.am : add ByRefGen.cs.
	* generator/MethodBody.cs : remove GValue special casing.
	* generator/Property.cs : rework value handling.
	* generator/Signal.cs : fix base virtual method value passing.
	* generator/SymbolTable.cs : map GValue to ByRefGen.
	* glib/Object.cs : rework GetProperty and SetProperty.
	* glib/Value.cs : make it a value type.
	* glib/ValueArray.cs : fix GValue passing.
	* glib/glue/value.c : rework for valuetype GValues.
	* gnome/Program.custom : fix GValue passing
	* gtk/Gtk.metadata : make TreeModel.GetValue value param pass_as=ref.
	* gtk/ListStore.custom : fix GValue passing
	* gtk/NodeStore.cs : fix GValue passing
	* gtk/TextTag.custom : fix GValue passing
	* gtk/TreeModelSort.custom : fix GValue passing
	* gtk/TreeStore.custom : fix GValue passing

svn path=/trunk/gtk-sharp/; revision=25368
2004-04-12 15:54:57 +00:00

190 lines
5.6 KiB
C#

// GtkSharp.Generation.Property.cs - The Property Generatable.
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// (c) 2001-2002 Mike Kestner
namespace GtkSharp.Generation {
using System;
using System.Collections;
using System.IO;
using System.Xml;
public class Property {
private XmlElement elem;
private ClassBase container_type;
public string Name {
get {
return elem.GetAttribute ("name");
}
}
public Property (XmlElement elem, ClassBase container_type)
{
this.elem = elem;
this.container_type = container_type;
}
public bool Validate ()
{
string c_type = elem.GetAttribute("type");
SymbolTable table = SymbolTable.Table;
string cs_type = table.GetCSType(c_type);
if (cs_type == "") {
Console.Write("Property has unknown Type {0} ", c_type);
Statistics.ThrottledCount++;
return false;
}
if (table.IsInterface(c_type)) {
// FIXME: Handle interface props properly.
Console.Write("Interface property detected ");
Statistics.ThrottledCount++;
return false;
}
return true;
}
public void Generate (GenerationInfo gen_info)
{
SymbolTable table = SymbolTable.Table;
StreamWriter sw = gen_info.Writer;
string c_type = elem.GetAttribute("type");
string cs_type = table.GetCSType(c_type);
string modifiers = "";
if (elem.HasAttribute("new_flag") || (container_type.Parent != null && container_type.Parent.GetPropertyRecursively (Name) != null))
modifiers = "new ";
XmlElement parent = (XmlElement) elem.ParentNode;
string name = Name;
if (name == container_type.Name) {
name += "Prop";
}
string cname = "\"" + elem.GetAttribute("cname") + "\"";
string v_type = "";
if (table.IsEnum(c_type)) {
v_type = "(int) (GLib.EnumWrapper)";
} else if (table.IsInterface(c_type)) {
// FIXME: Handle interface props properly.
Console.Write("Interface property detected ");
Statistics.ThrottledCount++;
return;
} else if (table.IsObject(c_type)) {
v_type = "(GLib.UnwrappedObject)";
} else if (table.IsBoxed (c_type)) {
v_type = "(GLib.Boxed)";
} else if (table.IsOpaque (c_type)) {
v_type = "(GLib.Opaque)";
}
if (elem.HasAttribute("construct-only") && !elem.HasAttribute("readable")) {
return;
}
bool has_getter = false;
bool has_setter = false;
string getter_type = String.Empty;
string setter_type = String.Empty;
Method getter = container_type.GetMethod("Get" + Name);
if (getter != null && getter.Validate () && getter.IsGetter)
getter_type = getter.ReturnType;
Method setter = container_type.GetMethod("Set" + Name);
if (setter != null && setter.Validate () && setter.IsSetter)
setter_type = setter.Signature.Types;
if (getter_type != String.Empty && getter_type == setter_type) {
has_getter = has_setter = true;
getter.GenerateImport (sw);
setter.GenerateImport (sw);
cs_type = getter_type;
} else {
if (getter_type == cs_type) {
has_getter = true;
getter.GenerateImport(sw);
}
if (setter_type != String.Empty) {
has_setter = true;
setter.GenerateImport(sw);
}
if (has_setter && setter_type != cs_type)
cs_type = setter_type;
else if (has_getter && getter_type != cs_type)
cs_type = getter_type;
}
sw.WriteLine();
sw.WriteLine("\t\tpublic " + modifiers + cs_type + " " + name + " {");
if (has_getter) {
sw.Write("\t\t\tget ");
getter.GenerateBody(gen_info, "\t");
sw.WriteLine();
} else if (elem.HasAttribute("readable")) {
sw.WriteLine("\t\t\tget {");
sw.WriteLine("\t\t\t\tGLib.Value val = GetProperty (" + cname + ");");
if (table.IsObject (c_type)) {
sw.WriteLine("\t\t\t\tSystem.IntPtr raw_ret = (System.IntPtr) {0} val;", v_type);
sw.WriteLine("\t\t\t\t" + cs_type + " ret = " + table.FromNativeReturn(c_type, "raw_ret") + ";");
if (!table.IsBoxed (c_type) && !table.IsObject (c_type))
sw.WriteLine("\t\t\t\tif (ret == null) ret = new " + cs_type + "(raw_ret);");
} else if (table.IsOpaque (c_type) || table.IsBoxed (c_type)) {
sw.WriteLine("\t\t\t\t" + cs_type + " ret = (" + cs_type + ") val;");
} else {
sw.Write("\t\t\t\t" + cs_type + " ret = ");
sw.Write ("(" + cs_type + ") ");
if (v_type != "") {
sw.Write(v_type + " ");
}
sw.WriteLine("val;");
}
sw.WriteLine("\t\t\t\tval.Dispose ();");
sw.WriteLine("\t\t\t\treturn ret;");
sw.WriteLine("\t\t\t}");
}
if (has_setter) {
sw.Write("\t\t\tset ");
setter.GenerateBody(gen_info, "\t");
sw.WriteLine();
} else if (elem.HasAttribute("writeable") && !elem.HasAttribute("construct-only")) {
sw.WriteLine("\t\t\tset {");
sw.Write("\t\t\t\tGLib.Value val = ");
if (table.IsEnum(c_type)) {
sw.WriteLine("new GLib.Value(Handle, " + cname + ", new GLib.EnumWrapper ((int) value, {0}));", table.IsEnumFlags (c_type) ? "true" : "false");
} else if (table.IsBoxed (c_type)) {
sw.WriteLine("(GLib.Value) value;");
} else if (table.IsOpaque (c_type)) {
sw.WriteLine("new GLib.Value(Handle, " + cname + ", value);");
} else {
sw.Write("new GLib.Value(");
if (v_type != "" && !(table.IsObject (c_type) || table.IsOpaque (c_type))) {
sw.Write(v_type + " ");
}
sw.WriteLine("value);");
}
sw.WriteLine("\t\t\t\tSetProperty(" + cname + ", val);");
sw.WriteLine("\t\t\t\tval.Dispose ();");
sw.WriteLine("\t\t\t}");
}
sw.WriteLine("\t\t}");
sw.WriteLine();
Statistics.PropCount++;
}
}
}