2003-07-05 Sebastien Pouliot <spouliot@videotron.ca>

[mono.git] / mcs / class / corlib / Mono.Xml / SecurityParser.cs

diff --git a/mcs/class/corlib/Mono.Xml/SecurityParser.cs b/mcs/class/corlib/Mono.Xml/SecurityParser.cs
new file mode 100644 (file)
index 0000000..a69408a
--- /dev/null
+++ b/mcs/class/corlib/Mono.Xml/SecurityParser.cs
@@ -0,0 +1,90 @@
+//
+// Mono.Xml.SecurityParser.cs class implementation
+//
+// Author:
+//     Sebastien Pouliot (spouliot@motus.com)
+//
+// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
+//
+
+using System;
+using System.Collections;
+using System.Security;
+
+namespace Mono.Xml {
+
+       // convert an XML document into SecurityElement objects
+       public class SecurityParser : MiniParser, MiniParser.IHandler, MiniParser.IReader {
+
+               private SecurityElement root;
+
+               public SecurityParser () : base () 
+               {
+                       stack = new Stack ();
+               }
+
+               public void LoadXml (string xml) 
+               {
+                       root = null;
+                       xmldoc = xml;
+                       pos = 0;
+                       stack.Clear ();
+                       Parse (this, this);
+               }
+
+               public SecurityElement ToXml () 
+               {
+                       return root;
+               }
+
+               // IReader
+
+               private string xmldoc;
+               private int pos;
+
+               public int Read () 
+               {
+                       if (pos >= xmldoc.Length)
+                               return -1;
+                       return (int) xmldoc [pos++];
+               }
+
+               // IHandler
+
+               private SecurityElement current;
+               private Stack stack;
+
+               public void OnStartParsing (MiniParser parser) {}
+
+               public void OnStartElement (string name, MiniParser.IAttrList attrs) 
+               {
+                       SecurityElement newel = new SecurityElement (name); 
+                       if (root == null) {
+                               root = newel;
+                               current = newel;
+                       }
+                       else {
+                               SecurityElement parent = (SecurityElement) stack.Peek ();
+                               parent.AddChild (newel);
+                       }
+                       stack.Push (newel);
+                       current = newel;
+                       // attributes
+                       int n = attrs.Length;
+                       for (int i=0; i < n; i++)
+                               current.AddAttribute (attrs.GetName (i), attrs.GetValue (i));
+               }
+
+               public void OnEndElement (string name) 
+               {
+                       current = (SecurityElement) stack.Pop ();
+               }
+
+               public void OnChars (string ch) 
+               {
+                       current.Text = ch;
+               }
+
+               public void OnEndParsing (MiniParser parser) {}
+       }
+}