gstreamer/generator/GenBase.cs
Sebastian Dröge 4582abb4f3 Fork the Gtk# codegenerator for now
We unfortunately need to do this to properly generate bindings for
GstMiniObject...
2009-05-14 21:38:28 +02:00

149 lines
3.4 KiB
C#

// GtkSharp.Generation.GenBase.cs - The Generatable base class.
//
// Author: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2001-2002 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.IO;
using System.Xml;
public abstract class GenBase : IGeneratable {
private XmlElement ns;
private XmlElement elem;
protected GenBase (XmlElement ns, XmlElement elem)
{
this.ns = ns;
this.elem = elem;
}
public string CName {
get {
return elem.GetAttribute ("cname");
}
}
public XmlElement Elem {
get {
return elem;
}
}
public int ParserVersion {
get {
XmlElement root = elem.OwnerDocument.DocumentElement;
return root.HasAttribute ("parser_version") ? int.Parse (root.GetAttribute ("parser_version")) : 1;
}
}
public bool IsInternal {
get {
if (elem.HasAttribute ("internal")) {
string attr = elem.GetAttribute ("internal");
return attr == "1" || attr == "true";
}
return false;
}
}
public string LibraryName {
get {
return ns.GetAttribute ("library");
}
}
public virtual string MarshalReturnType {
get {
return MarshalType;
}
}
public abstract string MarshalType { get; }
public string Name {
get {
return elem.GetAttribute ("name");
}
}
public string NS {
get {
return ns.GetAttribute ("name");
}
}
public abstract string DefaultValue { get; }
public string QualifiedName {
get {
return NS + "." + Name;
}
}
public virtual string ToNativeReturnType {
get {
return MarshalType;
}
}
protected void AppendCustom (StreamWriter sw, string custom_dir)
{
char sep = Path.DirectorySeparatorChar;
string custom = custom_dir + sep + Name + ".custom";
if (File.Exists(custom)) {
sw.WriteLine ("#region Customized extensions");
sw.WriteLine ("#line 1 \"" + Name + ".custom\"");
FileStream custstream = new FileStream(custom, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(custstream);
sw.WriteLine (sr.ReadToEnd ());
sw.WriteLine ("#endregion");
sr.Close ();
}
}
public abstract string CallByName (string var);
public abstract string FromNative (string var);
public virtual string FromNativeReturn (string var)
{
return FromNative (var);
}
public virtual string ToNativeReturn (string var)
{
return CallByName (var);
}
public abstract bool Validate ();
public void Generate ()
{
GenerationInfo geninfo = new GenerationInfo (ns);
Generate (geninfo);
}
public abstract void Generate (GenerationInfo geninfo);
}
}