mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-11 19:06:33 +00:00
304 lines
8.6 KiB
C#
304 lines
8.6 KiB
C#
// GtkSharp.Generation.Method.cs - The Method Generatable.
|
|
//
|
|
// Author: Mike Kestner <mkestner@speakeasy.net>
|
|
//
|
|
// Copyright (c) 2001-2003 Mike Kestner
|
|
// Copyright (c) 2003-2004 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 Method : MethodBase {
|
|
|
|
private ReturnValue retval;
|
|
|
|
private string call;
|
|
private bool is_get, is_set;
|
|
private bool deprecated = false;
|
|
|
|
public Method (XmlElement elem, ClassBase container_type) : base (elem, container_type)
|
|
{
|
|
this.retval = new ReturnValue (elem["return-type"]);
|
|
|
|
if (!container_type.IsDeprecated && elem.HasAttribute ("deprecated")) {
|
|
string attr = elem.GetAttribute ("deprecated");
|
|
deprecated = attr == "1" || attr == "true";
|
|
}
|
|
|
|
if (Name == "GetType")
|
|
Name = "GetGType";
|
|
}
|
|
|
|
public bool IsDeprecated {
|
|
get {
|
|
return deprecated;
|
|
}
|
|
}
|
|
|
|
public bool IsGetter {
|
|
get {
|
|
return is_get;
|
|
}
|
|
}
|
|
|
|
public bool IsSetter {
|
|
get {
|
|
return is_set;
|
|
}
|
|
}
|
|
|
|
public string ReturnType {
|
|
get {
|
|
return retval.CSType;
|
|
}
|
|
}
|
|
|
|
public override bool Validate ()
|
|
{
|
|
if (!retval.Validate () || !base.Validate ()) {
|
|
Console.Write(" in method " + Name + " ");
|
|
return false;
|
|
}
|
|
|
|
Parameters parms = Parameters;
|
|
is_get = ((((parms.IsAccessor && retval.IsVoid) || (parms.Count == 0 && !retval.IsVoid)) || (parms.Count == 0 && !retval.IsVoid)) && HasGetterName);
|
|
is_set = ((parms.IsAccessor || (parms.VisibleCount == 1 && retval.IsVoid)) && HasSetterName);
|
|
|
|
call = "(" + (IsStatic ? "" : container_type.CallByName () + (parms.Count > 0 ? ", " : "")) + Body.GetCallString (is_set) + ")";
|
|
|
|
return true;
|
|
}
|
|
|
|
private Method GetComplement ()
|
|
{
|
|
char complement;
|
|
if (is_get)
|
|
complement = 'S';
|
|
else
|
|
complement = 'G';
|
|
|
|
return container_type.GetMethod (complement + BaseName.Substring (1));
|
|
}
|
|
|
|
public string Declaration {
|
|
get {
|
|
return retval.CSType + " " + Name + " (" + (Signature != null ? Signature.ToString() : "") + ");";
|
|
}
|
|
}
|
|
|
|
private void GenerateDeclCommon (StreamWriter sw, ClassBase implementor)
|
|
{
|
|
if (IsStatic)
|
|
sw.Write("static ");
|
|
sw.Write (Safety);
|
|
Method dup = null;
|
|
if (container_type != null)
|
|
dup = container_type.GetMethodRecursively (Name);
|
|
if (implementor != null)
|
|
dup = implementor.GetMethodRecursively (Name);
|
|
|
|
if (Name == "ToString" && Parameters.Count == 0)
|
|
sw.Write("override ");
|
|
else if (Name == "GetGType" && container_type is ObjectGen)
|
|
sw.Write("new ");
|
|
else if (Modifiers == "new " || (dup != null && ((dup.Signature != null && Signature != null && dup.Signature.ToString() == Signature.ToString()) || (dup.Signature == null && Signature == null))))
|
|
sw.Write("new ");
|
|
|
|
if (is_get || is_set) {
|
|
if (retval.IsVoid)
|
|
sw.Write (Parameters.AccessorReturnType);
|
|
else
|
|
sw.Write(retval.CSType);
|
|
sw.Write(" ");
|
|
if (Name.StartsWith ("Get") || Name.StartsWith ("Set"))
|
|
sw.Write (Name.Substring (3));
|
|
else {
|
|
int dot = Name.LastIndexOf ('.');
|
|
if (dot != -1 && (Name.Substring (dot + 1, 3) == "Get" || Name.Substring (dot + 1, 3) == "Set"))
|
|
sw.Write (Name.Substring (0, dot + 1) + Name.Substring (dot + 4));
|
|
else
|
|
sw.Write (Name);
|
|
}
|
|
sw.WriteLine(" { ");
|
|
} else if (IsAccessor) {
|
|
sw.Write (Signature.AccessorType + " " + Name + "(" + Signature.AsAccessor + ")");
|
|
} else {
|
|
sw.Write(retval.CSType + " " + Name + "(" + (Signature != null ? Signature.ToString() : "") + ")");
|
|
}
|
|
}
|
|
|
|
public void GenerateDecl (StreamWriter sw)
|
|
{
|
|
if (IsStatic)
|
|
return;
|
|
|
|
if (is_get || is_set)
|
|
{
|
|
Method comp = GetComplement ();
|
|
if (comp != null && is_set)
|
|
return;
|
|
|
|
sw.Write("\t\t");
|
|
GenerateDeclCommon (sw, null);
|
|
|
|
sw.Write("\t\t\t");
|
|
sw.Write ((is_get) ? "get;" : "set;");
|
|
|
|
if (comp != null && comp.is_set)
|
|
sw.WriteLine (" set;");
|
|
else
|
|
sw.WriteLine ();
|
|
|
|
sw.WriteLine ("\t\t}");
|
|
}
|
|
else
|
|
{
|
|
sw.Write("\t\t");
|
|
GenerateDeclCommon (sw, null);
|
|
sw.WriteLine (";");
|
|
}
|
|
|
|
Statistics.MethodCount++;
|
|
}
|
|
|
|
public void GenerateImport (StreamWriter sw)
|
|
{
|
|
string import_sig = IsStatic ? "" : container_type.MarshalType + " raw";
|
|
import_sig += !IsStatic && Parameters.Count > 0 ? ", " : "";
|
|
import_sig += Parameters.ImportSignature.ToString();
|
|
sw.WriteLine("\t\t[DllImport(\"" + LibraryName + "\")]");
|
|
if (retval.MarshalType.StartsWith ("[return:"))
|
|
sw.WriteLine("\t\t" + retval.MarshalType + " static extern " + Safety + retval.CSType + " " + CName + "(" + import_sig + ");");
|
|
else
|
|
sw.WriteLine("\t\tstatic extern " + Safety + retval.MarshalType + " " + CName + "(" + import_sig + ");");
|
|
sw.WriteLine();
|
|
}
|
|
|
|
public void Generate (GenerationInfo gen_info, ClassBase implementor)
|
|
{
|
|
if (!Validate ())
|
|
return;
|
|
|
|
Method comp = null;
|
|
|
|
gen_info.CurrentMember = Name;
|
|
|
|
/* we are generated by the get Method, if there is one */
|
|
if (is_set || is_get)
|
|
{
|
|
if (Modifiers != "new " && container_type.GetPropertyRecursively (Name.Substring (3)) != null)
|
|
return;
|
|
comp = GetComplement ();
|
|
if (comp != null && is_set) {
|
|
if (Parameters.AccessorReturnType == comp.ReturnType)
|
|
return;
|
|
else {
|
|
is_set = false;
|
|
call = "(Handle, " + Body.GetCallString (false) + ")";
|
|
comp = null;
|
|
}
|
|
}
|
|
/* some setters take more than one arg */
|
|
if (comp != null && !comp.is_set)
|
|
comp = null;
|
|
}
|
|
|
|
GenerateImport (gen_info.Writer);
|
|
if (comp != null && retval.CSType == comp.Parameters.AccessorReturnType)
|
|
comp.GenerateImport (gen_info.Writer);
|
|
|
|
if (IsDeprecated)
|
|
gen_info.Writer.WriteLine("\t\t[Obsolete]");
|
|
gen_info.Writer.Write("\t\t");
|
|
if (Protection != "")
|
|
gen_info.Writer.Write("{0} ", Protection);
|
|
GenerateDeclCommon (gen_info.Writer, implementor);
|
|
|
|
if (is_get || is_set)
|
|
{
|
|
gen_info.Writer.Write ("\t\t\t");
|
|
gen_info.Writer.Write ((is_get) ? "get" : "set");
|
|
GenerateBody (gen_info, implementor, "\t");
|
|
}
|
|
else
|
|
GenerateBody (gen_info, implementor, "");
|
|
|
|
if (is_get || is_set)
|
|
{
|
|
if (comp != null && retval.CSType == comp.Parameters.AccessorReturnType)
|
|
{
|
|
gen_info.Writer.WriteLine ();
|
|
gen_info.Writer.Write ("\t\t\tset");
|
|
comp.GenerateBody (gen_info, implementor, "\t");
|
|
}
|
|
gen_info.Writer.WriteLine ();
|
|
gen_info.Writer.WriteLine ("\t\t}");
|
|
}
|
|
else
|
|
gen_info.Writer.WriteLine();
|
|
|
|
gen_info.Writer.WriteLine();
|
|
|
|
Statistics.MethodCount++;
|
|
}
|
|
|
|
public void GenerateBody (GenerationInfo gen_info, ClassBase implementor, string indent)
|
|
{
|
|
StreamWriter sw = gen_info.Writer;
|
|
sw.WriteLine(" {");
|
|
if (!IsStatic && implementor != null)
|
|
implementor.Prepare (sw, indent + "\t\t\t");
|
|
if (IsAccessor)
|
|
Body.InitAccessor (sw, Signature, indent);
|
|
Body.Initialize(gen_info, is_get, is_set, indent);
|
|
|
|
sw.Write(indent + "\t\t\t");
|
|
if (retval.IsVoid)
|
|
sw.WriteLine(CName + call + ";");
|
|
else {
|
|
sw.WriteLine(retval.MarshalType + " raw_ret = " + CName + call + ";");
|
|
sw.WriteLine(indent + "\t\t\t" + retval.CSType + " ret = " + retval.FromNative ("raw_ret") + ";");
|
|
}
|
|
|
|
if (!IsStatic && implementor != null)
|
|
implementor.Finish (sw, indent + "\t\t\t");
|
|
Body.Finish (sw, indent);
|
|
Body.HandleException (sw, indent);
|
|
|
|
if (is_get && Parameters.Count > 0)
|
|
sw.WriteLine (indent + "\t\t\treturn " + Parameters.AccessorName + ";");
|
|
else if (!retval.IsVoid)
|
|
sw.WriteLine (indent + "\t\t\treturn ret;");
|
|
else if (IsAccessor)
|
|
Body.FinishAccessor (sw, Signature, indent);
|
|
|
|
sw.Write(indent + "\t\t}");
|
|
}
|
|
|
|
bool IsAccessor {
|
|
get {
|
|
return retval.IsVoid && Signature.IsAccessor;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|