tools/opentf/CommandRegistry.cs

   1 //
   2 // CommandRegistry.cs
   3 //
   4 // Authors:
   5 //      Joel Reed (joelwreed@gmail.com)
   6 //
   7
   8 //
   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:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  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.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31 using System.Collections.Generic;
  32 using System.IO;
  33 using System.Reflection;
  34 using System.Text;
  35
  36 public class CommandRegistry
  37 {
  38         static SortedList<string, System.Type> commands = new SortedList<string, System.Type>();
  39         static SortedList<string, CommandAttribute> commandAttributes = new SortedList<string, CommandAttribute>();
  40
  41         static public SortedList<string, CommandAttribute> Attributes
  42         {
  43                 get { return commandAttributes; }
  44         }
  45
  46         static CommandRegistry()
  47         {
  48                 Assembly assembly = Assembly.GetAssembly(typeof(CommandRegistry));
  49                 System.Type[] types = assembly.GetTypes();
  50
  51                 foreach (Type t in types)
  52                         {
  53                                 CommandAttribute[] attributes = t.GetCustomAttributes(typeof(CommandAttribute), false) as CommandAttribute[];
  54                                 foreach (CommandAttribute attribute in attributes)
  55                                         {
  56                                                 commands.Add(attribute.Name, t);
  57                                                 commandAttributes.Add(attribute.Name, attribute);
  58
  59                                                 if (!String.IsNullOrEmpty(attribute.Alias))
  60                                                         {
  61                                                                 commands.Add(attribute.Alias, t);
  62                                                                 commandAttributes.Add(attribute.Alias, attribute);
  63                                                         }
  64                                         }
  65                         }
  66         }
  67
  68         static public System.Type GetCommandType(string name)
  69         {
  70                 Type commandType;
  71                 if (!commands.TryGetValue(name, out commandType)) return null;
  72                 return commandType;
  73         }
  74
  75         static public CommandAttribute GetCommandAttribute(string name)
  76         {
  77                 CommandAttribute attribute;
  78                 if (!commandAttributes.TryGetValue(name, out attribute)) return null;
  79                 return attribute;
  80         }
  81 }
  82