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//
// Authors:
// Atsushi Enomoto
//
// Copyright 2007 Novell (http://www.novell.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.
//
#if NET_2_0
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Serialization;
using System.Text;
using System.Xml;
using XPI = System.Xml.Linq.XProcessingInstruction;
namespace System.Xml.Linq
{
[Serializable]
public sealed class XName : IEquatable<XName>, ISerializable
{
string local;
XNamespace ns;
XName (SerializationInfo info, StreamingContext context)
{
string expandedName = info.GetString ("name");
string local, ns;
ExpandName (expandedName, out local, out ns);
this.local = local;
this.ns = XNamespace.Get (ns);
}
internal XName (string local, XNamespace ns)
{
this.local = XmlConvert.VerifyNCName (local);
this.ns = ns;
}
static Exception ErrorInvalidExpandedName ()
{
return new ArgumentException ("Invalid expanded name.");
}
public string LocalName {
get { return local; }
}
public XNamespace Namespace {
get { return ns; }
}
public string NamespaceName {
get { return ns.NamespaceName; }
}
public override bool Equals (object obj)
{
XName n = obj as XName;
return n != null && this == n;
}
bool IEquatable<XName>.Equals (XName other)
{
return this == other;
}
public static XName Get (string expandedName)
{
string local, ns;
ExpandName (expandedName, out local, out ns);
return Get (local, ns);
}
static void ExpandName (string expandedName, out string local, out string ns)
{
if (expandedName == null)
throw new ArgumentNullException ("expandedName");
ns = null;
local = null;
if (expandedName.Length == 0)
throw ErrorInvalidExpandedName ();
//this.expanded = expandedName;
if (expandedName [0] == '{') {
for (int i = 1; i < expandedName.Length; i++) {
if (expandedName [i] == '}')
ns = expandedName.Substring (1, i - 1);
}
if (String.IsNullOrEmpty (ns)) // {}foo is invalid
throw ErrorInvalidExpandedName ();
if (expandedName.Length == ns.Length + 2) // {foo} is invalid
throw ErrorInvalidExpandedName ();
local = expandedName.Substring (ns.Length + 2);
}
else {
local = expandedName;
ns = String.Empty;
}
}
public static XName Get (string localName, string namespaceName)
{
return XNamespace.Get (namespaceName).GetName (localName);
}
public override int GetHashCode ()
{
return local.GetHashCode () ^ ns.GetHashCode ();
}
public static bool operator == (XName left, XName right)
{
if ((object) left == null)
return (object) right == null;
else if ((object) right == null)
return false;
return object.ReferenceEquals (left, right) ||
left.local == right.local && left.ns == right.ns;
}
[CLSCompliant (false)]
public static implicit operator XName (string expandedName)
{
return expandedName == null ? null : Get (expandedName);
}
public static bool operator != (XName left, XName right)
{
return ! (left == right);
}
public override string ToString ()
{
if (Object.ReferenceEquals (ns, XNamespace.None))
return local;
return String.Concat ("{", ns.NamespaceName, "}", local);
}
// in .NET it is serialized as "NameSerializer". dunno how to create it.
void ISerializable.GetObjectData (SerializationInfo info, StreamingContext context)
{
if (info == null)
throw new ArgumentNullException ("info");
info.AddValue ("name", ToString ());
}
}
}
#endif
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