mcs/class/System.ServiceModel/Test/MetadataTests/TestLabel.cs

   1 //
   2 // TestLabel.cs
   3 //
   4 // Author:
   5 //       Martin Baulig <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (c) 2012 Xamarin Inc. (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 // THE SOFTWARE.
  26 using System;
  27 using System.Text;
  28 using System.Collections.Generic;
  29
  30 namespace MonoTests.System.ServiceModel.MetadataTests {
  31
  32         public class TestLabel {
  33
  34                 List<Scope> scopes;
  35                 string delimiter;
  36                 Style defaultStyle;
  37
  38                 public enum Style {
  39                         Letter,
  40                         Number,
  41                         HexNumer
  42                 }
  43
  44                 public TestLabel (string prefix)
  45                         : this (prefix, ".", Style.Letter)
  46                 {
  47                 }
  48
  49                 public TestLabel (string prefix, string delimiter, Style style)
  50                 {
  51                         if ((prefix == null) || (prefix.Equals (string.Empty)))
  52                                 throw new ArgumentException ("Cannot be null or empty.", "prefix");
  53                         if (delimiter == null)
  54                                 throw new ArgumentNullException ("delimiter");
  55
  56                         scopes = new List<Scope> ();
  57                         scopes.Add (new Scope (prefix, style));
  58
  59                         this.delimiter = delimiter;
  60                         this.defaultStyle = style;
  61                 }
  62
  63                 class Scope {
  64                         public readonly string Text;
  65                         public readonly Style Style;
  66                         int id;
  67
  68                         public Scope (string text, Style style)
  69                         {
  70                                 this.Text = text;
  71                                 this.Style = style;
  72                                 this.id = 0;
  73                         }
  74
  75                         public int GetID ()
  76                         {
  77                                 return ++id;
  78                         }
  79                 }
  80
  81                 public void EnterScope (string scope)
  82                 {
  83                         scopes.Add (new Scope (scope, defaultStyle));
  84                 }
  85
  86                 public void LeaveScope ()
  87                 {
  88                         if (scopes.Count <= 1)
  89                                 throw new InvalidOperationException ();
  90                         scopes.RemoveAt (scopes.Count - 1);
  91                 }
  92
  93                 public string Get ()
  94                 {
  95                         var sb = new StringBuilder ();
  96                         for (int i = 0; i < scopes.Count; i++) {
  97                                 sb.Append (scopes [i].Text);
  98                                 sb.Append (delimiter);
  99                         }
 100
 101                         var scope = scopes [scopes.Count - 1];
 102                         var id = scope.GetID ();
 103
 104                         switch (scope.Style) {
 105                         case Style.Letter:
 106                                 if (id <= 26)
 107                                         sb.Append ((char)('a' + id - 1));
 108                                 else
 109                                         goto case Style.Number;
 110                                 break;
 111
 112                         case Style.Number:
 113                                 sb.Append (id);
 114                                 break;
 115
 116                         case Style.HexNumer:
 117                                 sb.AppendFormat ("{0:x2}", id);
 118                                 break;
 119                         }
 120
 121                         return sb.ToString ();
 122                 }
 123
 124                 public override string ToString ()
 125                 {
 126                         var sb = new StringBuilder ();
 127                         sb.Append ("[");
 128                         for (int i = 0; i < scopes.Count; i++) {
 129                                 if (i > 0)
 130                                         sb.Append (delimiter);
 131                                 sb.Append (scopes [i].Text);
 132                         }
 133                         sb.Append ("]");
 134                         return sb.ToString ();
 135                 }
 136         }
 137 }
 138