GtkSharp/generator/Parser.cs

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// GtkSharp.Generation.Parser.cs - The XML Parsing engine.
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// (c) 2001 Mike Kestner
namespace GtkSharp.Generation {
using System;
using System.Collections;
using System.Xml;
public class Parser {
private XmlDocument doc;
public Parser (String filename)
{
doc = new XmlDocument ();
try {
doc.Load (filename);
} catch (XmlException e) {
Console.WriteLine ("Invalid XML file.");
Console.WriteLine (e.ToString());
}
}
public void Parse ()
{
XmlElement root = doc.DocumentElement;
if ((root == null) || !root.HasChildNodes) {
Console.WriteLine ("No Namespaces found.");
return;
}
foreach (XmlNode ns in root.ChildNodes) {
if (!(ns is XmlElement) || ns.Name != "namespace") {
continue;
}
XmlElement elem = (XmlElement) ns;
ParseNamespace (elem);
}
}
private void ParseNamespace (XmlElement ns)
{
String ns_name = ns.GetAttribute ("name");
foreach (XmlNode def in ns.ChildNodes) {
if (def.NodeType != XmlNodeType.Element) {
continue;
}
XmlElement elem = (XmlElement) def;
switch (def.Name) {
case "alias":
string aname = elem.GetAttribute("cname");
string atype = elem.GetAttribute("type");
if ((aname == "") || (atype == ""))
continue;
SymbolTable.AddAlias (aname, atype);
break;
case "boxed":
SymbolTable.AddType (new BoxedGen (ns, elem));
break;
case "callback":
SymbolTable.AddType (new CallbackGen (ns, elem));
break;
case "enum":
SymbolTable.AddType (new EnumGen (ns, elem));
break;
case "interface":
SymbolTable.AddType (new InterfaceGen (ns, elem));
break;
case "object":
SymbolTable.AddType (new ObjectGen (ns, elem));
break;
case "struct":
SymbolTable.AddType (new StructGen (ns, elem));
break;
default:
Console.WriteLine ("Unexpected node named " + def.Name);
break;
}
}
}
}
}