moel@109: /*
moel@109:   
moel@109:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@109: 
moel@109:   The contents of this file are subject to the Mozilla Public License Version
moel@109:   1.1 (the "License"); you may not use this file except in compliance with
moel@109:   the License. You may obtain a copy of the License at
moel@109:  
moel@109:   http://www.mozilla.org/MPL/
moel@109: 
moel@109:   Software distributed under the License is distributed on an "AS IS" basis,
moel@109:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@109:   for the specific language governing rights and limitations under the License.
moel@109: 
moel@109:   The Original Code is the Open Hardware Monitor code.
moel@109: 
moel@109:   The Initial Developer of the Original Code is 
moel@109:   Michael Möller <m.moeller@gmx.ch>.
moel@109:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@109:   the Initial Developer. All Rights Reserved.
moel@109: 
moel@109:   Contributor(s):
moel@109: 
moel@109:   Alternatively, the contents of this file may be used under the terms of
moel@109:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@109:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@109:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@109:   of those above. If you wish to allow use of your version of this file only
moel@109:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@109:   use your version of this file under the terms of the MPL, indicate your
moel@109:   decision by deleting the provisions above and replace them with the notice
moel@109:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@109:   the provisions above, a recipient may use your version of this file under
moel@109:   the terms of any one of the MPL, the GPL or the LGPL.
moel@109:  
moel@109: */
moel@109: 
moel@109: using System;
moel@195: using System.Collections.Generic;
moel@109: using System.Text;
moel@109: 
moel@109: namespace OpenHardwareMonitor.Hardware {
moel@176:   public class Identifier : IComparable<Identifier> {
moel@195:     private readonly string identifier;
moel@109: 
moel@195:     private const char Separator = '/';
moel@109: 
moel@195:     private static void CheckIdentifiers(IEnumerable<string> identifiers) {      
moel@109:       foreach (string s in identifiers)
moel@195:         if (s.Contains(" ") || s.Contains(Separator.ToString()))
moel@109:           throw new ArgumentException("Invalid identifier");
moel@109:     }
moel@109: 
moel@109:     public Identifier(params string[] identifiers) {
moel@109:       CheckIdentifiers(identifiers);
moel@109: 
moel@109:       StringBuilder s = new StringBuilder();
moel@109:       for (int i = 0; i < identifiers.Length; i++) {
moel@195:         s.Append(Separator);
moel@109:         s.Append(identifiers[i]);
moel@109:       }
moel@109:       this.identifier = s.ToString();
moel@109:     }
moel@109: 
moel@109:     public Identifier(Identifier identifier, params string[] extensions) {
moel@109:       CheckIdentifiers(extensions);
moel@109: 
moel@109:       StringBuilder s = new StringBuilder();
moel@109:       s.Append(identifier.ToString());
moel@109:       for (int i = 0; i < extensions.Length; i++) {
moel@195:         s.Append(Separator);
moel@109:         s.Append(extensions[i]);
moel@109:       }
moel@109:       this.identifier = s.ToString();
moel@109:     }
moel@109: 
moel@109:     public override string ToString() {
moel@109:       return identifier;
moel@109:     }
moel@109: 
moel@195:     public override bool Equals(Object obj) {
moel@109:       if (obj == null)
moel@109:         return false;
moel@109: 
moel@109:       Identifier id = obj as Identifier;
moel@109:       if (id == null)
moel@109:         return false;
moel@109: 
moel@109:       return (identifier == id.identifier);
moel@109:     }
moel@109: 
moel@109:     public override int GetHashCode() {
moel@109:       return identifier.GetHashCode();
moel@109:     }
moel@176: 
moel@176:     public int CompareTo(Identifier other) {
moel@176:       if (other == null)
moel@176:         return 1;
moel@176:       else 
moel@182:         return string.Compare(this.identifier, other.identifier, 
moel@182:           StringComparison.Ordinal);
moel@176:     }
moel@182: 
moel@182:     public static bool operator ==(Identifier id1, Identifier id2) {
moel@184:       if (id1.Equals(null))
moel@184:         return id2.Equals(null);
moel@182:       else
moel@182:         return id1.Equals(id2);
moel@182:     }
moel@182: 
moel@182:     public static bool operator !=(Identifier id1, Identifier id2) {
moel@182:       return !(id1 == id2);
moel@182:     }
moel@182: 
moel@182:     public static bool operator <(Identifier id1, Identifier id2) {
moel@182:       if (id1 == null)
moel@182:         return id2 != null;
moel@182:       else 
moel@182:         return (id1.CompareTo(id2) < 0);
moel@182:     }
moel@182: 
moel@182:     public static bool operator >(Identifier id1, Identifier id2) {
moel@182:       if (id1 == null)
moel@182:         return false;
moel@182:       else 
moel@182:         return (id1.CompareTo(id2) > 0);
moel@182:     }  
moel@182: 
moel@109:   }
moel@109: }