New tests.
[mono.git] / mcs / class / System.XML / System.Xml / XmlQualifiedName.cs
index 04b6c580f3393bf1d8e68d5922e936cb68bd0d34..e0bfd505886ea366c446a6920dac0a1667ec50b4 100644 (file)
@@ -2,48 +2,73 @@
 // 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
@@ -53,31 +78,89 @@ namespace System.Xml
 
                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)
+                               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);
                }
        }
 }