GtkSharp/generator/EnumGen.cs
Mike Kestner 5b7aaf1c4f 2003-10-03 Mike Kestner <mkestner@ximian.com>
* generator/*.cs : Kill DoGenerate.

svn path=/trunk/gtk-sharp/; revision=18572
2003-10-03 22:20:40 +00:00

114 lines
2.4 KiB
C#

// GtkSharp.Generation.EnumGen.cs - The Enumeration Generatable.
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// (c) 2001 Mike Kestner
namespace GtkSharp.Generation {
using System;
using System.IO;
using System.Xml;
public class EnumGen : GenBase, IGeneratable {
public EnumGen (XmlElement ns, XmlElement elem) : base (ns, elem) {}
public String MarshalType {
get
{
return "int";
}
}
public String MarshalReturnType {
get
{
return MarshalType;
}
}
public String CallByName (String var_name)
{
return "(int) " + var_name;
}
public String FromNative(String var)
{
return "(" + QualifiedName + ")" + var;
}
public String FromNativeReturn(String var)
{
return FromNative (var);
}
public virtual String ToNativeReturn(String var)
{
return CallByName (var);
}
public void Generate ()
{
StreamWriter sw = CreateWriter ();
if (Elem.GetAttribute("type") == "flags") {
sw.WriteLine ();
sw.WriteLine ("\t[Flags]");
}
// Ok, this is obscene. We need to go through the enums first
// to find "large" values. If we find some, we need to change
// the base type of the enum.
string enum_type = null;
foreach (XmlNode node in Elem.ChildNodes) {
if (!(node is XmlElement) || node.Name != "member") {
continue;
}
XmlElement member = (XmlElement) node;
if (member.HasAttribute("value")) {
string value = member.GetAttribute("value");
if (value.EndsWith("U")) {
enum_type = "uint";
member.SetAttribute("value", value.TrimEnd('U'));
}
}
}
sw.WriteLine ("#region Autogenerated code");
if (enum_type != null)
sw.WriteLine ("\tpublic enum " + Name + " : " + enum_type + " {");
else
sw.WriteLine ("\tpublic enum " + Name + " {");
sw.WriteLine ();
foreach (XmlNode node in Elem.ChildNodes) {
if (!(node is XmlElement) || node.Name != "member") {
continue;
}
XmlElement member = (XmlElement) node;
sw.Write ("\t\t" + member.GetAttribute("name"));
if (member.HasAttribute("value")) {
sw.WriteLine (" = " + member.GetAttribute("value") + ",");
} else {
sw.WriteLine (",");
}
}
sw.WriteLine ("\t}");
sw.WriteLine ("#endregion");
CloseWriter (sw);
Statistics.EnumCount++;
}
}
}