mcs/class/System.XML/System.Xml/XmlQualifiedName.cs

   1 //
   2 // System.Xml.XmlQualifiedName.cs
   3 //
   4 // Author: Duncan Mak (duncan@ximian.com)
   5 //
   6 // (C) Ximian, Inc.
   7 //
   8 // Modified:
   9 //              21st June 2002 : Ajay kumar Dwivedi (adwiv@yahoo.com)
  10
  11 using System;
  12
  13 namespace System.Xml
  14 {
  15         public class XmlQualifiedName
  16         {
  17                 // Constructors
  18                 public XmlQualifiedName ()
  19                         : this (string.Empty, string.Empty)
  20                 {
  21                 }
  22
  23                 public XmlQualifiedName (string name)
  24                         : this (name, string.Empty)
  25                 {
  26                 }
  27
  28                 public XmlQualifiedName (string name, string ns)
  29                         : base ()
  30                 {
  31                         this.name = name;
  32                         this.ns = ns;
  33                 }
  34
  35                 // Fields
  36                 public static readonly XmlQualifiedName Empty = new XmlQualifiedName ();
  37                 private string name;
  38                 private string ns;
  39
  40                 // Properties
  41                 public bool IsEmpty
  42                 {
  43                         get {
  44                                 if ((name == String.Empty) && (ns == String.Empty))
  45                                         return true;
  46                                 else
  47                                         return false;
  48                         }
  49                 }
  50
  51                 public string Name
  52                 {
  53                         get { return name; }
  54                 }
  55
  56                 public string Namespace
  57                 {
  58                         get { return ns; }
  59                 }
  60
  61                 // Methods
  62                 public override bool Equals (object other)
  63                 {
  64                         if(!(other is XmlQualifiedName))
  65                                 return false;
  66
  67                         if ((XmlQualifiedName) this == (XmlQualifiedName) other)
  68                                 return true;
  69                         else
  70                                 return false;
  71                 }
  72
  73                 public override int GetHashCode ()
  74                 {
  75                         return ns != null ?
  76                                 unchecked (name.GetHashCode () + ns.GetHashCode ()) : name.GetHashCode ();
  77                 }
  78
  79                 public override string ToString ()
  80                 {
  81                         if (ns == null)
  82                                 return name;
  83                         else if (ns == string.Empty)
  84                                 return name;
  85                         else
  86                                 return ns + ":" + name;
  87                 }
  88
  89                 public static string ToString (string name, string ns)
  90                 {
  91                         if (ns == string.Empty)
  92                                 return name;
  93                         else
  94                                 return ns + ":" + name;
  95                 }
  96
  97                 // Operators
  98                 public static bool operator == (XmlQualifiedName a, XmlQualifiedName b)
  99                 {
 100                         if((Object)a == (Object)b)
 101                                 return true;
 102
 103                         if((Object)a == null || (Object)b == null)
 104                                 return false;
 105
 106                         if ((a.Name == b.Name) && (a.Namespace == b.Namespace))
 107                                 return true;
 108                         else
 109                                 return false;
 110                 }
 111
 112                 public static bool operator != (XmlQualifiedName a, XmlQualifiedName b)
 113                 {
 114                         if (a == b)
 115                                 return false;
 116                         else
 117                                 return true;
 118                 }
 119         }
 120 }