// System.Xml.XmlQualifiedName.cs
//
// Author: Duncan Mak (duncan@ximian.com)
-//
+//
// (C) Ximian, Inc.
+//
+// Modified:
+// 21st June 2002 : Ajay kumar Dwivedi (adwiv@yahoo.com)
+
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
+using System;
+
namespace System.Xml
{
+#if NET_2_0
+ [Serializable]
+#endif
public class XmlQualifiedName
{
// Constructors
public XmlQualifiedName ()
- : base ()
+ : this (string.Empty, string.Empty)
{
}
public XmlQualifiedName (string name)
- : base ()
+ : this (name, string.Empty)
{
- this.name = name;
}
public XmlQualifiedName (string name, string ns)
: base ()
{
- this.name = name;
- this.ns = ns;
+ this.name = (name == null) ? "" : name;
+ this.ns = (ns == null) ? "" : ns;
+ this.hash = this.name.GetHashCode () ^ this.ns.GetHashCode ();
}
// Fields
- [MonoTODO] public static readonly XmlQualifiedName Empty = new XmlQualifiedName ();
+ public static readonly XmlQualifiedName Empty = new XmlQualifiedName ();
+ private readonly string name;
+ private readonly string ns;
+ private readonly int hash;
- private string name;
- private string namespace;
-
- public XmlQualifiedName (string name) {}
-
// Properties
public bool IsEmpty
{
- if ((name == String.Empty) && (ns == String.Empty))
- return true;
- else
- return false;
+ get {
+ return name.Length == 0 && ns.Length == 0;
+ }
}
public string Name
public string Namespace
{
- get { return namespace; }
+ get { return ns; }
}
// Methods
public override bool Equals (object other)
{
- if ((this.Name == other.Name) && (this.Namespace == other.Namespace))
- return true;
- else
- return false;
+ return this == (other as XmlQualifiedName);
}
- public override int GetHashCode ();
+ public override int GetHashCode ()
+ {
+ return hash;
+ }
public override string ToString ()
{
- return ns + ":" + name;
+ if (ns == string.Empty)
+ return name;
+ else
+ return ns + ":" + name;
}
- public override string ToString (string name, string ns)
+ public static string ToString (string name, string ns)
{
- if (ns == null)
+ if (ns == string.Empty)
return name;
- else
- return ns + ":" + name;
+ else
+ return ns + ":" + name;
+ }
+
+ internal static XmlQualifiedName Parse (string name, IXmlNamespaceResolver resolver)
+ {
+ return Parse (name, resolver, false);
+ }
+
+ internal static XmlQualifiedName Parse (string name, IXmlNamespaceResolver resolver, bool considerDefaultNamespace)
+ {
+ int index = name.IndexOf (':');
+ if (index < 0 && !considerDefaultNamespace)
+ return new XmlQualifiedName (name);
+ string prefix = index < 0 ? String.Empty : name.Substring (0, index);
+ string localName = index < 0 ? name : name.Substring (index + 1);
+ string ns = resolver.LookupNamespace (prefix);
+ if (ns == null) {
+ if (prefix.Length > 0)
+ throw new ArgumentException ("Invalid qualified name.");
+ else
+ ns = String.Empty;
+ }
+ return new XmlQualifiedName (localName, ns);
+ }
+
+ internal static XmlQualifiedName Parse (string name, XmlReader reader)
+ {
+ return Parse (name, reader, false);
+ }
+
+ internal static XmlQualifiedName Parse (string name, XmlReader reader, bool considerDefaultNamespace)
+ {
+ int index = name.IndexOf (':');
+ if (index < 0 && !considerDefaultNamespace)
+ return new XmlQualifiedName (name);
+ string ns = reader.LookupNamespace (index < 0 ? String.Empty : name.Substring (0, index));
+ if (ns == null && index > 0)
+ throw new ArgumentException ("Invalid qualified name.");
+ return new XmlQualifiedName (index < 0 ? name : name.Substring (index + 1), ns);
+ }
+
+ // Operators
+ public static bool operator == (XmlQualifiedName a, XmlQualifiedName b)
+ {
+ if((Object)a == (Object)b)
+ return true;
+
+ if((Object)a == null || (Object)b == null)
+ return false;
+
+ return (a.hash == b.hash) && (a.name == b.name) && (a.ns == b.ns);
+ }
+
+ public static bool operator != (XmlQualifiedName a, XmlQualifiedName b)
+ {
+ return !(a == b);
}
}
}