2 // ProductHeaderValue.cs
5 // Marek Safar <marek.safar@gmail.com>
7 // Copyright (C) 2011 Xamarin Inc (http://www.xamarin.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 namespace System.Net.Http.Headers
31 public class ProductHeaderValue : ICloneable
33 public ProductHeaderValue (string name)
35 Parser.Token.Check (name);
39 public ProductHeaderValue (string name, string version)
43 Parser.Token.Check (version);
48 internal ProductHeaderValue ()
52 public string Name { get; internal set; }
53 public string Version { get; internal set; }
55 object ICloneable.Clone ()
57 return MemberwiseClone ();
60 public override bool Equals (object obj)
62 var source = obj as ProductHeaderValue;
66 return string.Equals (source.Name, Name, StringComparison.OrdinalIgnoreCase) &&
67 string.Equals (source.Version, Version, StringComparison.OrdinalIgnoreCase);
70 public override int GetHashCode ()
72 var hc = Name.ToLowerInvariant ().GetHashCode ();
74 hc ^= Version.ToLowerInvariant ().GetHashCode ();
79 public static ProductHeaderValue Parse (string input)
81 ProductHeaderValue value;
82 if (TryParse (input, out value))
85 throw new FormatException (input);
88 public static bool TryParse (string input, out ProductHeaderValue parsedValue)
92 var lexer = new Lexer (input);
93 var t = lexer.Scan ();
94 if (t != Token.Type.Token)
97 var value = new ProductHeaderValue ();
98 value.Name = lexer.GetStringValue (t);
101 if (t == Token.Type.SeparatorSlash) {
103 if (t != Token.Type.Token)
106 value.Version = lexer.GetStringValue (t);
110 if (t != Token.Type.End)
117 public override string ToString ()
119 return Version == null ? Name : Name + "/" + Version;