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

   1 //
   2 // UsingTask.cs: Represents a single UsingTask element in an MSBuild project.
   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.IO;
  32 using System.Xml;
  33 using Mono.XBuild.Framework;
  34
  35 namespace Microsoft.Build.BuildEngine {
  36         public class UsingTask {
  37                 XmlElement      usingTaskElement;
  38                 Project         project;
  39                 ImportedProject importedProject;
  40
  41                 private UsingTask()
  42                 {
  43                 }
  44
  45                 internal UsingTask (XmlElement usingTaskElement, Project project, ImportedProject importedProject)
  46                 {
  47                         this.project = project;
  48                         this.importedProject = importedProject;
  49                         this.usingTaskElement = usingTaskElement;
  50
  51                         if (project == null)
  52                                 throw new ArgumentNullException ("project");
  53                         if (usingTaskElement == null)
  54                                 throw new ArgumentNullException ("usingTaskElement");
  55                         if (AssemblyName == String.Empty && AssemblyFile == String.Empty)
  56                                 throw new InvalidProjectFileException ("AssemblyName or AssemblyFile attribute must be specified.");
  57                         if (TaskName == String.Empty)
  58                                 throw new InvalidProjectFileException ("TaskName attribute must be specified.");
  59                 }
  60
  61                 internal void Evaluate ()
  62                 {
  63                         AssemblyLoadInfo loadInfo;
  64
  65                         if (AssemblyName != String.Empty) {
  66                                 loadInfo = new AssemblyLoadInfo (AssemblyName, TaskName);
  67                         } else if (AssemblyFile != String.Empty) {
  68                                 string filename = AssemblyFile;
  69                                 if (Path.IsPathRooted (filename) == false) {
  70                                         string ffn;
  71                                         if (importedProject != null) {
  72                                                 ffn = Path.GetDirectoryName (importedProject.FullFileName);
  73                                         } else {
  74                                                 ffn = Path.GetDirectoryName (project.FullFileName);
  75                                         }
  76                                         filename = Path.Combine (ffn, filename);
  77                                 }
  78                                 loadInfo = new AssemblyLoadInfo (LoadInfoType.AssemblyFilename, filename, null, null, null, null, TaskName);
  79                         } else {
  80                                 throw new InvalidProjectFileException ("AssemblyName or AssemblyFile attribute must be specified.");
  81                         }
  82                         project.TaskDatabase.RegisterTask (TaskName, loadInfo);
  83                 }
  84
  85                 public bool IsImported {
  86                         get { return importedProject != null; }
  87                 }
  88
  89                 public string AssemblyFile {
  90                         get { return usingTaskElement.GetAttribute ("AssemblyFile"); }
  91                 }
  92
  93                 public string AssemblyName {
  94                         get { return usingTaskElement.GetAttribute ("AssemblyName"); }
  95                 }
  96
  97                 public string Condition {
  98                         get { return usingTaskElement.GetAttribute ("Condition"); }
  99                 }
 100
 101                 public string TaskName {
 102                         get { return usingTaskElement.GetAttribute ("TaskName"); }
 103                 }
 104         }
 105 }
 106
 107 #endif