mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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133 lines
3.9 KiB
C#
133 lines
3.9 KiB
C#
// GtkSharp.Generation.EnumGen.cs - The Enumeration Generatable.
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// Copyright (c) 2001 Mike Kestner
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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;
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using System.IO;
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using System.Xml;
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using System.Text.RegularExpressions;
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public class EnumGen : GenBase {
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string enum_type = String.Empty;
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ArrayList members = new ArrayList ();
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public EnumGen (XmlElement ns, XmlElement elem) : base (ns, elem)
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{
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foreach (XmlElement member in elem.ChildNodes) {
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if (member.Name != "member")
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continue;
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string result = "\t\t" + member.GetAttribute("name");
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if (member.HasAttribute ("value")) {
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string value = member.GetAttribute ("value").Trim ();
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foreach (Match match in Regex.Matches (value, "[0-9]+([UL]{1,2})", RegexOptions.IgnoreCase)) {
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switch (match.Groups[1].Value.ToUpper ()) {
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case "U": enum_type = " : uint"; break;
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case "L": enum_type = " : long"; break;
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case "UL": enum_type = " : ulong"; break;
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}
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}
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result += " = " + value;
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}
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members.Add (result + ",");
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}
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if (elem.HasAttribute ("enum_type"))
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enum_type = " : " + elem.GetAttribute ("enum_type");
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}
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public override bool Validate ()
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{
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return true;
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}
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public override string DefaultValue {
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get {
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return "(" + QualifiedName + ") 0";
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}
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}
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public override string MarshalType {
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get {
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return "int";
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}
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}
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public override string CallByName (string var_name)
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{
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return "(int) " + var_name;
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}
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public override string FromNative(string var)
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{
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return "(" + QualifiedName + ") " + var;
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}
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public override void Generate (GenerationInfo gen_info)
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{
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StreamWriter sw = gen_info.OpenStream (Name);
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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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if (Elem.GetAttribute("type") == "flags")
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sw.WriteLine ("\t[Flags]");
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if (Elem.HasAttribute("gtype"))
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sw.WriteLine ("\t[Gst.GLib.GType (typeof (" + NS + "." + Name + "GType))]");
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string access = IsInternal ? "internal" : "public";
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sw.WriteLine ("\t" + access + " enum " + Name + enum_type + " {");
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sw.WriteLine ();
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foreach (string member in members)
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sw.WriteLine (member);
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sw.WriteLine ("\t}");
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if (Elem.HasAttribute ("gtype")) {
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sw.WriteLine ();
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sw.WriteLine ("\tinternal class " + Name + "GType {");
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sw.WriteLine ("\t\t[DllImport (\"" + LibraryName + "\", CallingConvention = CallingConvention.Cdecl)]");
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sw.WriteLine ("\t\tstatic extern IntPtr " + Elem.GetAttribute ("gtype") + " ();");
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sw.WriteLine ();
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sw.WriteLine ("\t\tpublic static Gst.GLib.GType GType {");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn new Gst.GLib.GType (" + Elem.GetAttribute ("gtype") + " ());");
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sw.WriteLine ("\t\t\t}");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ("\t}");
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}
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sw.WriteLine ("#endregion");
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sw.WriteLine ("}");
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sw.Close ();
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Statistics.EnumCount++;
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}
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}
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}
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