mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/TaskDatabase.cs

   1 //
   2 // TaskDatabase.cs: Provides information about tasks.
   3 //
   4 // Author:
   5 //   Marek Sieradzki (marek.sieradzki@gmail.com)
   6 //
   7 // (C) 2005 Marek Sieradzki
   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 #if NET_2_0
  29
  30 using System;
  31 using System.Collections.Generic;
  32 using System.Reflection;
  33 using Microsoft.Build.Framework;
  34 using Mono.XBuild.Framework;
  35
  36 namespace Microsoft.Build.BuildEngine {
  37         internal class TaskDatabase {
  38
  39                 // full name -> AssemblyLoadInfo
  40                 Dictionary <string, AssemblyLoadInfo>   assemblyInformation;
  41                 // full name -> Type
  42                 Dictionary <string, Type>               typesByFullName;
  43                 // short name -> Type
  44                 Dictionary <string, Type>               typesByShortName;
  45
  46                 public TaskDatabase ()
  47                 {
  48                         assemblyInformation = new Dictionary <string, AssemblyLoadInfo> ();
  49                         typesByFullName = new Dictionary <string, Type> ();
  50                         typesByShortName = new Dictionary <string, Type> ();
  51                 }
  52
  53                 public void RegisterTask (string classname, AssemblyLoadInfo assemblyLoadInfo)
  54                 {
  55                         assemblyInformation.Add (classname, assemblyLoadInfo);
  56                         Assembly assembly;
  57
  58                         if (assemblyLoadInfo.InfoType == LoadInfoType.AssemblyFilename)
  59                                 assembly = Assembly.LoadFrom (assemblyLoadInfo.Filename);
  60                         else if (assemblyLoadInfo.InfoType == LoadInfoType.AssemblyName)
  61                                 assembly = Assembly.Load (assemblyLoadInfo.AssemblyName);
  62                         else
  63                                 assembly = Assembly.Load (assemblyLoadInfo.AssemblyNameString);
  64
  65                         Type type = assembly.GetType (classname);
  66                         typesByFullName.Add (classname, type);
  67                         typesByShortName.Add (GetShortName (classname), type);
  68                 }
  69
  70                 public Type GetTypeFromClassName (string classname)
  71                 {
  72                         if (!typesByFullName.ContainsKey (classname)) {
  73                                 if (!typesByShortName.ContainsKey (classname))
  74                                         throw new Exception (String.Format ("Not registered task {0}.", classname));
  75                                 else
  76                                         return typesByShortName [classname];
  77                         } else
  78                                 return typesByFullName [classname];
  79                 }
  80
  81                 public void CopyTasks (TaskDatabase taskDatabase)
  82                 {
  83                         foreach (KeyValuePair <string, AssemblyLoadInfo> kvp in taskDatabase.assemblyInformation)
  84                                 assemblyInformation.Add (kvp.Key, kvp.Value);
  85                         foreach (KeyValuePair <string, Type> kvp in taskDatabase.typesByFullName)
  86                                 typesByFullName.Add (kvp.Key, kvp.Value);
  87                         foreach (KeyValuePair <string, Type> kvp in taskDatabase.typesByShortName)
  88                                 typesByShortName.Add (kvp.Key, kvp.Value);
  89                 }
  90
  91                 private string GetShortName (string fullname)
  92                 {
  93                         string[] parts = fullname.Split ('.');
  94                         return parts [parts.Length - 1];
  95                 }
  96         }
  97 }
  98
  99 #endif