2 // TaskDatabase.cs: Provides information about tasks.
5 // Marek Sieradzki (marek.sieradzki@gmail.com)
7 // (C) 2005 Marek Sieradzki
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.
31 using System.Collections.Generic;
32 using System.Reflection;
33 using Microsoft.Build.Framework;
34 using Mono.XBuild.Framework;
36 namespace Microsoft.Build.BuildEngine {
37 internal class TaskDatabase {
39 Dictionary<string, UsingTaskInfo> usingTasksByFullName;
40 // full name -> AssemblyLoadInfo
41 Dictionary <string, AssemblyLoadInfo> assemblyInformation;
43 Dictionary <string, Type> typesByFullName;
45 Dictionary <string, Type> typesByShortName;
47 public TaskDatabase ()
49 assemblyInformation = new Dictionary <string, AssemblyLoadInfo> ();
50 typesByFullName = new Dictionary <string, Type> (StringComparer.OrdinalIgnoreCase);
51 typesByShortName = new Dictionary <string, Type> (StringComparer.OrdinalIgnoreCase);
52 usingTasksByFullName = new Dictionary <string, UsingTaskInfo> (StringComparer.OrdinalIgnoreCase);
55 public void RegisterTask (string classname, AssemblyLoadInfo assemblyLoadInfo)
57 assemblyInformation.Add (classname, assemblyLoadInfo);
60 if (assemblyLoadInfo.InfoType == LoadInfoType.AssemblyFilename)
61 assembly = Assembly.LoadFrom (assemblyLoadInfo.Filename);
62 else if (assemblyLoadInfo.InfoType == LoadInfoType.AssemblyName)
63 assembly = Assembly.Load (assemblyLoadInfo.AssemblyName);
65 assembly = Assembly.Load (assemblyLoadInfo.AssemblyNameString);
67 Type type = assembly.GetType (classname);
69 // search for matching class in case namespace was not used
70 foreach (Type exportedType in assembly.GetExportedTypes()) {
71 if (exportedType.Name == classname) {
77 typesByFullName.Add (classname, type);
78 typesByShortName [GetShortName (classname)] = type;
81 public void RegisterUsingTask (UsingTask ut)
83 usingTasksByFullName [ut.TaskName] = new UsingTaskInfo (GetShortName (ut.TaskName), ut);
86 public Type GetTypeFromClassName (string classname)
88 Type ret = GetTypeFromClassNameInternal (classname);
90 // Task not already loaded,
91 // Check list of pending UsingTasks
92 bool is_shortname = classname.IndexOf ('.') < 0;
93 UsingTaskInfo info = new UsingTaskInfo (String.Empty, null);
95 // Linear search UsingTaskInfo objects for short name match
96 foreach (UsingTaskInfo ut_info in usingTasksByFullName.Values) {
97 if (String.Compare (ut_info.ShortName, classname, true) == 0) {
103 if (info.Task == null)
104 ThrowTaskNotRegistered (classname);
106 // Look for full name match
107 if (!usingTasksByFullName.TryGetValue (classname, out info))
108 ThrowTaskNotRegistered (classname);
111 usingTasksByFullName.Remove (info.Task.TaskName);
112 info.Task.Load (this);
113 ret = GetTypeFromClassNameInternal (classname);
117 ThrowTaskNotRegistered (classname);
121 Type GetTypeFromClassNameInternal (string classname)
123 if (!typesByFullName.ContainsKey (classname)) {
124 if (!typesByShortName.ContainsKey (classname))
127 return typesByShortName [classname];
129 return typesByFullName [classname];
132 public void CopyTasks (TaskDatabase taskDatabase)
134 foreach (KeyValuePair <string, AssemblyLoadInfo> kvp in taskDatabase.assemblyInformation)
135 assemblyInformation.Add (kvp.Key, kvp.Value);
136 foreach (KeyValuePair <string, Type> kvp in taskDatabase.typesByFullName)
137 typesByFullName.Add (kvp.Key, kvp.Value);
138 foreach (KeyValuePair <string, Type> kvp in taskDatabase.typesByShortName)
139 typesByShortName.Add (kvp.Key, kvp.Value);
140 foreach (KeyValuePair <string, UsingTaskInfo> kvp in taskDatabase.usingTasksByFullName)
141 usingTasksByFullName.Add (kvp.Key, kvp.Value);
144 private string GetShortName (string fullname)
146 string[] parts = fullname.Split ('.');
147 return parts [parts.Length - 1];
150 void ThrowTaskNotRegistered (string classname)
152 throw new Exception (String.Format ("Not registered task {0}.", classname));
156 struct UsingTaskInfo {
157 public string ShortName;
158 public UsingTask Task;
160 public UsingTaskInfo (string shortname, UsingTask task)
162 ShortName = shortname;