C# Generation.GenerationInfo类代码示例

		protected override void GenerateUnmanagedInvocation (GenerationInfo gen_info, ObjectBase implementor)
		{
			if (!base.CanGenerate (gen_info, implementor))
				GenerateChainVirtualMethod (gen_info.Writer, implementor);
			else
				base.GenerateUnmanagedInvocation (gen_info, implementor);
		}

		protected virtual bool CanGenerate (GenerationInfo gen_info, ObjectBase implementor)
		{
			if (implementor != null || this.CName.Length == 0 || CodeType == VMCodeType.None || (CodeType == VMCodeType.Glue && !gen_info.GlueEnabled))
				return false;
			else
				return true;
		}

        public override void Generate(GenerationInfo gen_info)
        {
            gen_info.CurrentType = Name;

            StreamWriter sw = gen_info.Writer = gen_info.OpenStream(Name);

            sw.WriteLine ("namespace " + NS + " {");
            sw.WriteLine ();
            sw.WriteLine ("\tusing System;");
            sw.WriteLine ("\tusing System.Runtime.InteropServices;");
            sw.WriteLine ();

            sw.WriteLine ("#region Autogenerated code");
            if (IsDeprecated)
                sw.WriteLine ("\t[Obsolete]");
            sw.Write ("\t{0} class " + Name, IsInternal ? "internal" : "public");
            sw.WriteLine (" {");
            sw.WriteLine ();

            GenProperties (gen_info, null);
            GenMethods (gen_info, null, null);

            sw.WriteLine ("#endregion");
            AppendCustom(sw, gen_info.CustomDir);

            sw.WriteLine ("\t}");
            sw.WriteLine ("}");

            sw.Close ();
            gen_info.Writer = null;
        }

		public void Generate (GenerationInfo gen_info, ObjectBase implementor)
		{
			if (!CanGenerate (gen_info, implementor))
				throw new NotSupportedException (String.Format ("Cannot generate virtual method {0}.{1}. Make sure a writable glue path was provided to the generator.", container_type.Name, this.CallString));

			GenerateOverride (gen_info, implementor);
			GenerateCallback (gen_info.Writer, implementor);
			if (!IsStatic)
				GenerateUnmanagedInvocation (gen_info, implementor);
		}

		protected override void GenerateOverride (GenerationInfo gen_info, ObjectBase implementor)
		{
			StreamWriter sw = gen_info.Writer;

			if (!base.CanGenerate (gen_info, implementor)) {
				GenerateOverrideBody (sw);
				sw.WriteLine ("\t\t\tOverrideVirtualMethod (gtype, \"{0}\", callback);", signal_name);
				sw.WriteLine ("\t\t}");
			} else
				base.GenerateOverride (gen_info, implementor);
		}

		public virtual void Generate (GenerationInfo gen_info, string indent)
		{
			StreamWriter sw = gen_info.Writer;

			sw.WriteLine ("{0}public const {1} {2} = {3}{4}{5};",
			              indent,
			              ConstType,
			              Name,
			              IsString ? "@\"": String.Empty,
			              value,
			              IsString ? "\"": String.Empty);
		}

		public void Initialize (GenerationInfo gen_info, bool is_get, bool is_set, string indent)
		{
			if (parameters.Count == 0)
				return;

			StreamWriter sw = gen_info.Writer;
			for (int i = 0; i < parameters.Count; i++) {
				Parameter p = parameters [i];

				IGeneratable gen = p.Generatable;
				string name = p.Name;
				if (is_set)
					name = "value";

				p.CallName = name;
				foreach (string prep in p.Prepare)
					sw.WriteLine (indent + "\t\t\t" + prep);

				if (gen is CallbackGen) {
					CallbackGen cbgen = gen as CallbackGen;
					string wrapper = cbgen.GenWrapper(gen_info);
					switch (p.Scope) {
					case "notified":
						sw.WriteLine (indent + "\t\t\t{0} {1}_wrapper = new {0} ({1});", wrapper, name);
						sw.WriteLine (indent + "\t\t\tIntPtr {0};", parameters [i + 1].Name);
						sw.WriteLine (indent + "\t\t\t{0} {1};", parameters [i + 2].CSType, parameters [i + 2].Name);
						sw.WriteLine (indent + "\t\t\tif ({0} == null) {{", name);
						sw.WriteLine (indent + "\t\t\t\t{0} = IntPtr.Zero;", parameters [i + 1].Name);
						sw.WriteLine (indent + "\t\t\t\t{0} = null;", parameters [i + 2].Name);
						sw.WriteLine (indent + "\t\t\t} else {");
						sw.WriteLine (indent + "\t\t\t\t{0} = (IntPtr) GCHandle.Alloc ({1}_wrapper);", parameters [i + 1].Name, name);
						sw.WriteLine (indent + "\t\t\t\t{0} = GLib.DestroyHelper.NotifyHandler;", parameters [i + 2].Name, parameters [i + 2].CSType);
						sw.WriteLine (indent + "\t\t\t}");
						break;

					case "async":
						sw.WriteLine (indent + "\t\t\t{0} {1}_wrapper = new {0} ({1});", wrapper, name);
						sw.WriteLine (indent + "\t\t\t{0}_wrapper.PersistUntilCalled ();", name);
						break;
					case "call":
					default:
						if (p.Scope == String.Empty)
							Console.WriteLine ("Defaulting " + gen.Name + " param to 'call' scope in method " + gen_info.CurrentMember);
						sw.WriteLine (indent + "\t\t\t{0} {1}_wrapper = new {0} ({1});", wrapper, name);
						break;
					}
				}
			}

			if (ThrowsException)
				sw.WriteLine (indent + "\t\t\tIntPtr error = IntPtr.Zero;");
		}

        public override void Generate(GenerationInfo gen_info)
        {
            Method copy = methods["Copy"] as Method;
            Method free = methods["Free"] as Method;
            methods.Remove ("Copy");
            methods.Remove ("Free");

            gen_info.CurrentType = QualifiedName;

            StreamWriter sw = gen_info.Writer = gen_info.OpenStream (Name);
            base.Generate (gen_info);
            sw.WriteLine ("\t\tpublic static explicit operator GLib.Value (" + QualifiedName + " boxed)");
            sw.WriteLine ("\t\t{");

            sw.WriteLine ("\t\t\tGLib.Value val = GLib.Value.Empty;");
            sw.WriteLine ("\t\t\tval.Init (" + QualifiedName + ".GType);");
            sw.WriteLine ("\t\t\tval.Val = boxed;");
            sw.WriteLine ("\t\t\treturn val;");
            sw.WriteLine ("\t\t}");
            sw.WriteLine ();
            sw.WriteLine ("\t\tpublic static explicit operator " + QualifiedName + " (GLib.Value val)");
            sw.WriteLine ("\t\t{");

            sw.WriteLine ("\t\t\treturn (" + QualifiedName + ") val.Val;");
            sw.WriteLine ("\t\t}");

            if (copy != null && copy.IsDeprecated) {
                sw.WriteLine ();
                sw.WriteLine ("\t\t[Obsolete(\"This is a no-op\")]");
                sw.WriteLine ("\t\tpublic " + QualifiedName + " Copy() {");
                sw.WriteLine ("\t\t\treturn this;");
                sw.WriteLine ("\t\t}");
            }

            if (free != null && free.IsDeprecated) {
                sw.WriteLine ();
                sw.WriteLine ("\t\t[Obsolete(\"This is a no-op\")]");
                sw.WriteLine ("\t\tpublic " + QualifiedName + " Free () {");
                sw.WriteLine ("\t\t\treturn this;");
                sw.WriteLine ("\t\t}");
            }

            sw.WriteLine ("#endregion");
                        AppendCustom(sw, gen_info.CustomDir);
                        sw.WriteLine ("\t}");
                        sw.WriteLine ("}");
            sw.Close ();
            gen_info.Writer = null;
            Statistics.BoxedCount++;
        }

        public override void Generate(GenerationInfo gen_info)
        {
            Method copy = methods["Copy"] as Method;
            methods.Remove ("Copy");
            methods.Remove ("Free");

            gen_info.CurrentType = Name;

            StreamWriter sw = gen_info.Writer = gen_info.OpenStream (Name);
            base.Generate (gen_info);
            sw.WriteLine ("\t\t[DllImport(\"glibsharpglue-2\")]");
            sw.WriteLine ("\t\tstatic extern IntPtr glibsharp_value_get_boxed (ref GLib.Value val);");
            sw.WriteLine ();
            sw.WriteLine ("\t\t[DllImport(\"glibsharpglue-2\")]");
            sw.WriteLine ("\t\tstatic extern void glibsharp_value_set_boxed (ref GLib.Value val, ref " + QualifiedName + " boxed);");
            sw.WriteLine ();
            sw.WriteLine ("\t\tpublic static explicit operator GLib.Value (" + QualifiedName + " boxed)");
            sw.WriteLine ("\t\t{");

            sw.WriteLine ("\t\t\tGLib.Value val = GLib.Value.Empty;");
            sw.WriteLine ("\t\t\tval.Init (" + QualifiedName + ".GType);");
            sw.WriteLine ("\t\t\tglibsharp_value_set_boxed (ref val, ref boxed);");
            sw.WriteLine ("\t\t\treturn val;");
            sw.WriteLine ("\t\t}");
            sw.WriteLine ();
            sw.WriteLine ("\t\tpublic static explicit operator " + QualifiedName + " (GLib.Value val)");
            sw.WriteLine ("\t\t{");

            sw.WriteLine ("\t\t\tIntPtr boxed_ptr = glibsharp_value_get_boxed (ref val);");
            sw.WriteLine ("\t\t\treturn New (boxed_ptr);");
            sw.WriteLine ("\t\t}");

            if (copy != null && copy.IsDeprecated) {
                sw.WriteLine ();
                sw.WriteLine ("\t\t[Obsolete(\"This is a no-op\")]");
                sw.WriteLine ("\t\tpublic " + QualifiedName + " Copy() {");
                sw.WriteLine ("\t\t\treturn this;");
                sw.WriteLine ("\t\t}");
            }

            sw.WriteLine ("#endregion");
                        AppendCustom(sw, gen_info.CustomDir);
                        sw.WriteLine ("\t}");
                        sw.WriteLine ("}");
            sw.Close ();
            gen_info.Writer = null;
            Statistics.BoxedCount++;
        }

		public override void Generate (GenerationInfo gen_info)
		{
			StreamWriter sw = gen_info.OpenStream (Name);

			sw.WriteLine ("namespace " + NS + " {");
			sw.WriteLine ();
			sw.WriteLine ("\tusing System;");
			sw.WriteLine ("\tusing System.Runtime.InteropServices;");
			sw.WriteLine ();

			sw.WriteLine ("#region Autogenerated code");
					
			if (Elem.GetAttribute("type") == "flags")
				sw.WriteLine ("\t[Flags]");
			if (Elem.HasAttribute("gtype"))
				sw.WriteLine ("\t[Gst.GLib.GType (typeof (" + NS + "." + Name + "GType))]");

			string access = IsInternal ? "internal" : "public";
			sw.WriteLine ("\t" + access + " enum " + Name + enum_type + " {");
			sw.WriteLine ();
				
			foreach (string member in members)
				sw.WriteLine (member);

			sw.WriteLine ("\t}");

			if (Elem.HasAttribute ("gtype")) {
				sw.WriteLine ();
				sw.WriteLine ("\tinternal class " + Name + "GType {");
				sw.WriteLine ("\t\t[DllImport (\"" + LibraryName + "\", CallingConvention = CallingConvention.Cdecl)]");
				sw.WriteLine ("\t\tstatic extern IntPtr " + Elem.GetAttribute ("gtype") + " ();");
				sw.WriteLine ();
				sw.WriteLine ("\t\tpublic static Gst.GLib.GType GType {");
				sw.WriteLine ("\t\t\tget {");
				sw.WriteLine ("\t\t\t\treturn new Gst.GLib.GType (" + Elem.GetAttribute ("gtype") + " ());");
				sw.WriteLine ("\t\t\t}");
				sw.WriteLine ("\t\t}");
				sw.WriteLine ("\t}");
			}

			sw.WriteLine ("#endregion");
			sw.WriteLine ("}");
			sw.Close ();
			Statistics.EnumCount++;
		}

		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 override void Generate(GenerationInfo gen_info)
        {
            gen_info.CurrentType = QualifiedName;

            StreamWriter sw = gen_info.Writer = gen_info.OpenStream (Name);
            base.Generate (gen_info);
            if (GetMethod ("GetType") == null && GetMethod ("GetGType") == null) {
                sw.WriteLine ("\t\tprivate static GLib.GType GType {");
                sw.WriteLine ("\t\t\tget { return GLib.GType.Pointer; }");
                sw.WriteLine ("\t\t}");
            }
            sw.WriteLine ("#endregion");
            sw.WriteLine ("\t}");
            sw.WriteLine ("}");
            sw.Close ();
            gen_info.Writer = null;
            Statistics.StructCount++;
        }

		public override void Generate (GenerationInfo gen_info)
		{
			bool need_close = false;
			if (gen_info.Writer == null) {
				gen_info.Writer = gen_info.OpenStream (Name, NS);
				need_close = true;
			}

			StreamWriter sw = gen_info.Writer;
			
			sw.WriteLine ("namespace " + NS + " {");
			sw.WriteLine ();
			sw.WriteLine ("\tusing System;");
			sw.WriteLine ("\tusing System.Collections;");
			sw.WriteLine ("\tusing System.Collections.Generic;");
			sw.WriteLine ("\tusing System.Runtime.InteropServices;");
			sw.WriteLine ();

			sw.WriteLine ("#region Autogenerated code");
			if (IsDeprecated)
				sw.WriteLine ("\t[Obsolete]");
			string access = IsInternal ? "internal" : "public";
			sw.WriteLine ("\t" + access + " partial class {0} : {1} IEquatable<{0}> {{", Name, Parent == null ? "GLib.IWrapper," : (Parent.QualifiedName + ","));
			sw.WriteLine ();

			GenNativeStruct (gen_info);
			GenNativeAccessor (gen_info);
			GenFields (gen_info);
			sw.WriteLine ();
			GenCtors (gen_info);
			GenMethods (gen_info, null, this);
			GenEqualsAndHash (sw);

			if (!need_close)
				return;

			sw.WriteLine ("#endregion");

			sw.WriteLine ("\t}");
			sw.WriteLine ("}");
			sw.Close ();
			gen_info.Writer = null;
		}

        public override void Generate(GenerationInfo gen_info)
        {
            GenerateAdapter (gen_info);
            StreamWriter sw = gen_info.Writer = gen_info.OpenStream (Name);

            sw.WriteLine ("namespace " + NS + " {");
            sw.WriteLine ();
            sw.WriteLine ("\tusing System;");
            sw.WriteLine ();
            sw.WriteLine ("#region Autogenerated code");
            string access = IsInternal ? "internal" : "public";
            sw.WriteLine ("\t" + access + " interface " + Name + " : GLib.IWrapper {");
            sw.WriteLine ();

            foreach (Signal sig in sigs.Values) {
                sig.GenerateDecl (sw);
                sig.GenEventHandler (gen_info);
            }

            foreach (Method method in methods.Values) {
                if (IgnoreMethod (method, this))
                    continue;
                method.GenerateDecl (sw);
            }

            foreach (Property prop in props.Values)
                prop.GenerateDecl (sw, "\t\t");

            AppendCustom (sw, gen_info.CustomDir);

            sw.WriteLine ("\t}");
            GenerateImplementorIface (sw);
            sw.WriteLine ("#endregion");
            sw.WriteLine ("}");
            sw.Close ();
            gen_info.Writer = null;
            Statistics.IFaceCount++;
        }

        public void GenEventHandler(GenerationInfo gen_info)
        {
            if (IsEventHandler)
                return;

            string ns = container_type.NS;

            StreamWriter sw = gen_info.OpenStream (EventHandlerName);

            sw.WriteLine ("namespace " + ns + " {");
            sw.WriteLine ();
            sw.WriteLine ("\tusing System;");

            sw.WriteLine ();
            sw.WriteLine ("\tpublic delegate void " + EventHandlerName + "(object o, " + EventArgsName + " args);");
            sw.WriteLine ();
            sw.WriteLine ("\tpublic class " + EventArgsName + " : GLib.SignalArgs {");
            for (int i = 0; i < parms.Count; i++) {
                sw.WriteLine ("\t\tpublic " + parms[i].CSType + " " + parms[i].StudlyName + "{");
                if (parms[i].PassAs != "out") {
                    sw.WriteLine ("\t\t\tget {");
                    if (SymbolTable.Table.IsInterface (parms [i].CType))
                        sw.WriteLine ("\t\t\t\treturn {0}Adapter.GetObject (Args [{1}] as GLib.Object);", parms [i].CSType, i);
                    else
                        sw.WriteLine ("\t\t\t\treturn ({0}) Args [{1}];", parms [i].CSType, i);
                    sw.WriteLine ("\t\t\t}");
                }
                if (parms[i].PassAs != "") {
                    sw.WriteLine ("\t\t\tset {");
                    if (SymbolTable.Table.IsInterface (parms [i].CType))
                        sw.WriteLine ("\t\t\t\tArgs [{0}] = value is {1}Adapter ? (value as {1}Adapter).Implementor : value;", i, parms [i].CSType);
                    else
                        sw.WriteLine ("\t\t\t\tArgs[" + i + "] = (" + parms[i].CSType + ")value;");
                    sw.WriteLine ("\t\t\t}");
                }
                sw.WriteLine ("\t\t}");
                sw.WriteLine ();
            }
            sw.WriteLine ("\t}");
            sw.WriteLine ("}");
            sw.Close ();
        }