/source/library/Interlace.Pinch/Interlace.Pinch/Dom/NamespaceName.cs

#region Using Directives and Copyright Notice



// Copyright (c) 2007-2010, Computer Consultancy Pty Ltd

// All rights reserved.

// 

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are met:

//     * Redistributions of source code must retain the above copyright

//       notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above copyright

//       notice, this list of conditions and the following disclaimer in the

//       documentation and/or other materials provided with the distribution.

//     * Neither the name of the Computer Consultancy Pty Ltd nor the

//       names of its contributors may be used to endorse or promote products

//       derived from this software without specific prior written permission.

// 

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 

// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 

// ARE DISCLAIMED. IN NO EVENT SHALL COMPUTER CONSULTANCY PTY LTD BE LIABLE 

// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 

// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 

// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 

// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 

// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 

// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH

// DAMAGE.



using System;

using System.Collections.Generic;

using System.Text;



using Interlace.Collections;



#endregion



namespace Interlace.Pinch.Dom

{

    public class NamespaceName

    {

        CactusStack<string> _name;



        protected NamespaceName(CactusStack<string> name)

        {

            _name = name;

        }



        public NamespaceName(string identifier)

        {

            _name = new CactusStack<string>(identifier);

        }



        public static NamespaceName Parse(string dottedName)

        {

            CactusStack<string> top = null;



            foreach (string part in dottedName.Split('.'))

            {

                if (top == null) 

                {

                    top = new CactusStack<string>(part);

                }

                else

                {

                    top = top.Push(part);

                }

            }



            return new NamespaceName(top);

        }



        public NamespaceName(NamespaceName name, string identifier)

        {

            _name = name._name.Push(identifier);

        }



        public override int GetHashCode()

        {

            return _name.GetHashCode();

        }



        public override bool Equals(object obj)

        {

            NamespaceName rhs = obj as NamespaceName;



            if (rhs == null) return false;



            return _name.Equals(rhs._name);

        }



        public override string ToString()

        {

            List<string> reversed = new List<string>(_name.Values);



            return string.Join(".", reversed.ToArray());

        }



        public bool IsQualified

        {

            get { return _name.Count > 1; }

        }



        public string UnqualifiedName

        {

            get { return _name.Value; }

        }



        public NamespaceName ContainingName

        {

            get 

            { 

                return new NamespaceName(_name.Parent); 

            }

        }

    }

}