mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-07-06 12:41:44 +02:00
400 lines
12 KiB
C#
400 lines
12 KiB
C#
// GtkSharp.Generation.InterfaceGen.cs - The Interface Generatable.
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//
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// Authors:
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// Mike Kestner <mkestner@speakeasy.net>
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// Andres G. Aragoneses <knocte@gmail.com>
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//
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// Copyright (c) 2001-2003 Mike Kestner
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// Copyright (c) 2004, 2007 Novell, Inc.
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// Copyright (c) 2013 Andres G. Aragoneses
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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.Generic;
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using System.IO;
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using System.Xml;
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public class InterfaceGen : ObjectBase {
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bool consume_only;
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public InterfaceGen (XmlElement ns, XmlElement elem) : base (ns, elem, true)
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{
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consume_only = elem.GetAttributeAsBoolean ("consume_only");
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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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switch (member.Name) {
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case "signal":
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object sig = sigs [member.GetAttribute ("name")];
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if (sig == null)
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sig = new Signal (node as XmlElement, this);
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break;
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default:
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if (!base.IsNodeNameHandled (node.Name))
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new LogWriter (QualifiedName).Warn ("Unexpected node " + node.Name);
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break;
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}
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}
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}
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public bool IsConsumeOnly {
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get {
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return consume_only;
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}
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}
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public string AdapterName {
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get {
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return base.Name + "Adapter";
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}
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}
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public string QualifiedAdapterName {
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get {
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return NS + "." + AdapterName;
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}
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}
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public string ImplementorName {
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get {
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return Name + "Implementor";
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}
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}
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public override string Name {
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get {
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return "I" + base.Name;
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}
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}
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public override string CallByName (string var, bool owned)
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{
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return String.Format (
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"{0} == null ? IntPtr.Zero : (({0} is GLib.Object) ? ({0} as GLib.Object).{1} : ({0} as {2}).{1})",
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var, owned ? "OwnedHandle" : "Handle", QualifiedAdapterName);
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}
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public override string FromNative (string var, bool owned)
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{
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return QualifiedAdapterName + ".GetObject (" + var + ", " + (owned ? "true" : "false") + ")";
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}
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public override bool ValidateForSubclass ()
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{
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if (!base.ValidateForSubclass ())
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return false;
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LogWriter log = new LogWriter (QualifiedName);
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var invalids = new List<Method> ();
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foreach (Method method in Methods.Values) {
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if (!method.Validate (log))
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invalids.Add (method);
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}
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foreach (Method method in invalids)
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Methods.Remove (method.Name);
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invalids.Clear ();
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return true;
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}
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void GenerateStaticCtor (StreamWriter sw)
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{
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sw.WriteLine ("\t\tstatic {0} iface;", class_struct_name);
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sw.WriteLine ();
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sw.WriteLine ("\t\tstatic " + AdapterName + " ()");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tGLib.GType.Register (_gtype, typeof ({0}));", AdapterName);
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foreach (InterfaceVM vm in interface_vms) {
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if (vm.Validate (new LogWriter (QualifiedName)))
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sw.WriteLine ("\t\t\tiface.{0} = new {0}NativeDelegate ({0}_cb);", vm.Name);
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}
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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void GenerateInitialize (StreamWriter sw)
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{
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if (interface_vms.Count > 0) {
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sw.WriteLine ("\t\tstatic int class_offset = 2 * IntPtr.Size;"); // Class size of GTypeInterface struct
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sw.WriteLine ();
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}
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sw.WriteLine ("\t\tstatic void Initialize (IntPtr ptr, IntPtr data)");
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sw.WriteLine ("\t\t{");
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if (interface_vms.Count > 0) {
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sw.WriteLine ("\t\t\tIntPtr ifaceptr = new IntPtr (ptr.ToInt64 () + class_offset);");
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sw.WriteLine ("\t\t\t{0} native_iface = ({0}) Marshal.PtrToStructure (ifaceptr, typeof ({0}));", class_struct_name);
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foreach (InterfaceVM vm in interface_vms) {
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sw.WriteLine ("\t\t\tnative_iface." + vm.Name + " = iface." + vm.Name + ";");
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}
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sw.WriteLine ("\t\t\tMarshal.StructureToPtr (native_iface, ifaceptr, false);");
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}
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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void GenerateCallbacks (StreamWriter sw)
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{
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foreach (InterfaceVM vm in interface_vms) {
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vm.GenerateCallback (sw, null);
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}
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}
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void GenerateCtors (StreamWriter sw)
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{
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// Native GObjects do not implement the *Implementor interfaces
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sw.WriteLine ("\t\tGLib.Object implementor;");
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sw.WriteLine ();
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if (!IsConsumeOnly) {
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sw.WriteLine ("\t\tpublic " + AdapterName + " ()");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tInitHandler = new GLib.GInterfaceInitHandler (Initialize);");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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sw.WriteLine ("\t\tpublic {0} ({1} implementor)", AdapterName, ImplementorName);
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tif (implementor == null)");
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sw.WriteLine ("\t\t\t\tthrow new ArgumentNullException (\"implementor\");");
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sw.WriteLine ("\t\t\telse if (!(implementor is GLib.Object))");
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sw.WriteLine ("\t\t\t\tthrow new ArgumentException (\"implementor must be a subclass of GLib.Object\");");
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sw.WriteLine ("\t\t\tthis.implementor = implementor as GLib.Object;");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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sw.WriteLine ("\t\tpublic " + AdapterName + " (IntPtr handle)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tif (!_gtype.IsInstance (handle))");
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sw.WriteLine ("\t\t\t\tthrow new ArgumentException (\"The gobject doesn't implement the GInterface of this adapter\", \"handle\");");
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sw.WriteLine ("\t\t\timplementor = GLib.Object.GetObject (handle);");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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void GenerateGType (StreamWriter sw)
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{
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Method m = GetMethod ("GetType");
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if (m == null)
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throw new Exception ("Interface " + QualifiedName + " missing GetType method.");
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m.GenerateImport (sw);
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sw.WriteLine ("\t\tprivate static GLib.GType _gtype = new GLib.GType ({0} ());", m.CName);
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sw.WriteLine ();
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// by convention, all GTypes generated have a static GType property
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sw.WriteLine ("\t\tpublic static GLib.GType GType {");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn _gtype;");
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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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// we need same property but non-static, because it is being accessed via a GInterfaceAdapter instance
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sw.WriteLine ("\t\tpublic override GLib.GType GInterfaceGType {");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn _gtype;");
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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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void GenerateHandleProp (StreamWriter sw)
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{
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sw.WriteLine ("\t\tpublic override IntPtr Handle {");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn implementor.Handle;");
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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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sw.WriteLine ("\t\tpublic IntPtr OwnedHandle {");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn implementor.OwnedHandle;");
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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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void GenerateGetObject (StreamWriter sw)
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{
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sw.WriteLine ("\t\tpublic static " + Name + " GetObject (IntPtr handle, bool owned)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tGLib.Object obj = GLib.Object.GetObject (handle, owned);");
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sw.WriteLine ("\t\t\treturn GetObject (obj);");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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sw.WriteLine ("\t\tpublic static " + Name + " GetObject (GLib.Object obj)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tif (obj == null)");
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sw.WriteLine ("\t\t\t\treturn null;");
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if (!IsConsumeOnly) {
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sw.WriteLine ("\t\t\telse if (obj is " + ImplementorName + ")");
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sw.WriteLine ("\t\t\t\treturn new {0} (obj as {1});", AdapterName, ImplementorName);
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}
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sw.WriteLine ("\t\t\telse if (obj as " + Name + " == null)");
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sw.WriteLine ("\t\t\t\treturn new {0} (obj.Handle);", AdapterName);
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sw.WriteLine ("\t\t\telse");
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sw.WriteLine ("\t\t\t\treturn obj as {0};", Name);
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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void GenerateImplementorProp (StreamWriter sw)
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{
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sw.WriteLine ("\t\tpublic " + ImplementorName + " Implementor {");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn implementor as {0};", ImplementorName);
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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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void GenerateAdapter (GenerationInfo gen_info)
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{
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StreamWriter sw = gen_info.Writer = gen_info.OpenStream (AdapterName, NS);
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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.Runtime.InteropServices;");
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sw.WriteLine ();
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sw.WriteLine ("#region Autogenerated code");
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sw.WriteLine ("\tpublic partial class " + AdapterName + " : GLib.GInterfaceAdapter, " + QualifiedName + " {");
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sw.WriteLine ();
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if (!IsConsumeOnly) {
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GenerateClassStruct (gen_info);
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GenerateStaticCtor (sw);
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GenerateCallbacks (sw);
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GenerateInitialize (sw);
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}
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GenerateCtors (sw);
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GenerateGType (sw);
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GenerateHandleProp (sw);
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GenerateGetObject (sw);
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if (!IsConsumeOnly)
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GenerateImplementorProp (sw);
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GenProperties (gen_info, null);
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foreach (Signal sig in sigs.Values)
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sig.GenEvent (sw, null, "GLib.Object.GetObject (Handle)");
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Method temp = GetMethod ("GetType");
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if (temp != null)
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Methods.Remove ("GetType");
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GenMethods (gen_info, null, this);
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if (temp != null)
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Methods ["GetType"] = temp;
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sw.WriteLine ("#endregion");
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sw.WriteLine ("\t}");
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sw.WriteLine ("}");
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sw.Close ();
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gen_info.Writer = null;
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}
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void GenerateImplementorIface (GenerationInfo gen_info)
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{
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if (IsConsumeOnly)
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return;
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StreamWriter sw = gen_info.Writer;
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sw.WriteLine ();
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sw.WriteLine ("\t[GLib.GInterface (typeof (" + AdapterName + "))]");
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string access = IsInternal ? "internal" : "public";
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sw.WriteLine ("\t" + access + " partial interface " + ImplementorName + " : GLib.IWrapper {");
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sw.WriteLine ();
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var vm_table = new Dictionary<string, InterfaceVM> ();
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foreach (InterfaceVM vm in interface_vms) {
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vm_table [vm.Name] = vm;
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}
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foreach (InterfaceVM vm in interface_vms) {
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if (!vm_table.ContainsKey (vm.Name)) {
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continue;
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} else if (!vm.Validate (new LogWriter (QualifiedName))) {
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vm_table.Remove (vm.Name);
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continue;
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} else if (vm.IsGetter || vm.IsSetter) {
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string cmp_name = (vm.IsGetter ? "Set" : "Get") + vm.Name.Substring (3);
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InterfaceVM cmp = null;
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if (vm_table.TryGetValue (cmp_name, out cmp) && (cmp.IsGetter || cmp.IsSetter)) {
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if (vm.IsSetter)
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cmp.GenerateDeclaration (sw, vm);
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else
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vm.GenerateDeclaration (sw, cmp);
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vm_table.Remove (cmp.Name);
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} else
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vm.GenerateDeclaration (sw, null);
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vm_table.Remove (vm.Name);
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} else {
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vm.GenerateDeclaration (sw, null);
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vm_table.Remove (vm.Name);
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}
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}
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foreach (Property prop in Properties.Values) {
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sw.WriteLine ("\t\t[GLib.Property (\"" + prop.CName + "\")]");
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prop.GenerateDecl (sw, "\t\t");
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}
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sw.WriteLine ("\t}");
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}
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public override void Generate (GenerationInfo gen_info)
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{
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GenerateAdapter (gen_info);
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StreamWriter sw = gen_info.Writer = gen_info.OpenStream (Name, NS);
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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 ();
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sw.WriteLine ("#region Autogenerated code");
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string access = IsInternal ? "internal" : "public";
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sw.WriteLine ("\t" + access + " partial interface " + Name + " : GLib.IWrapper {");
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sw.WriteLine ();
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foreach (Signal sig in sigs.Values) {
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sig.GenerateDecl (sw);
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sig.GenEventHandler (gen_info);
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}
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foreach (Method method in Methods.Values) {
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if (IgnoreMethod (method, this))
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continue;
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method.GenerateDecl (sw);
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}
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foreach (Property prop in Properties.Values)
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prop.GenerateDecl (sw, "\t\t");
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sw.WriteLine ("\t}");
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GenerateImplementorIface (gen_info);
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sw.WriteLine ("#endregion");
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sw.WriteLine ("}");
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sw.Close ();
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gen_info.Writer = null;
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Statistics.IFaceCount++;
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}
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}
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}
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