mcs/class/Microsoft.Build.Utilities/Microsoft.Build.Utilities/TaskItem.cs

   1 //
   2 // TaskItem.cs: Represents an item belonging to a task.
   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 using System;
  29 using System.Collections;
  30 using System.Collections.Specialized;
  31 using System.IO;
  32 using Microsoft.Build.Framework;
  33
  34 namespace Microsoft.Build.Utilities
  35 {
  36         public sealed class TaskItem : MarshalByRefObject, ITaskItem
  37         {
  38                 IDictionary     metadata;
  39                 string          itemSpec;
  40                 string          recursiveDir;
  41
  42                 public TaskItem ()
  43                 {
  44                         this.itemSpec = String.Empty;
  45                         this.recursiveDir = String.Empty;
  46                         this.metadata = CollectionsUtil.CreateCaseInsensitiveHashtable ();
  47                 }
  48
  49                 public TaskItem (ITaskItem sourceItem)
  50                 {
  51                         this.itemSpec = sourceItem.ItemSpec;
  52                         this.recursiveDir = String.Empty;
  53                         this.metadata = sourceItem.CloneCustomMetadata ();
  54                 }
  55
  56                 public TaskItem (string itemSpec)
  57                 {
  58                         this.ItemSpec = itemSpec;
  59                         this.recursiveDir = String.Empty;
  60                         this.metadata = CollectionsUtil.CreateCaseInsensitiveHashtable ();
  61                 }
  62
  63                 public TaskItem (string itemSpec, IDictionary itemMetadata)
  64                 {
  65                         this.itemSpec = itemSpec;
  66                         this.recursiveDir = String.Empty;
  67                         this.metadata = itemMetadata;
  68                 }
  69
  70                 public IDictionary CloneCustomMetadata ()
  71                 {
  72                         IDictionary clonedMetadata = CollectionsUtil.CreateCaseInsensitiveHashtable ();
  73                         foreach (DictionaryEntry de in metadata)
  74                                 clonedMetadata.Add (de.Key, de.Value);
  75                         return clonedMetadata;
  76                 }
  77
  78                 public void CopyMetadataTo (ITaskItem destinationItem)
  79                 {
  80                         foreach (DictionaryEntry e in metadata) {
  81                                 destinationItem.SetMetadata ((string)e.Key, (string)e.Value);
  82                         }
  83                 }
  84
  85                 public static explicit operator string (TaskItem taskItemToCast)
  86                 {
  87                         return taskItemToCast.ToString ();
  88                 }
  89
  90                 public string GetMetadata (string metadataName)
  91                 {
  92                         switch (metadataName.ToLower ()) {
  93                         case "fullpath":
  94                                 return Path.GetFullPath (itemSpec);
  95                         case "rootdir":
  96                                 return "/";
  97                         case "filename":
  98                                 return Path.GetFileNameWithoutExtension (itemSpec);
  99                         case "extension":
 100                                 return Path.GetExtension (itemSpec);
 101                         case "relativedir":
 102                                 return Path.GetDirectoryName (itemSpec);
 103                         case "directory":
 104                                 return Path.GetDirectoryName (Path.GetFullPath (itemSpec));
 105                         case "recursivedir":
 106                                 return recursiveDir;
 107                         case "identity":
 108                                 return Path.Combine (Path.GetDirectoryName (itemSpec), Path.GetFileName (itemSpec));
 109                         case "modifiedtime":
 110                                 return File.GetLastWriteTime (itemSpec).ToString ();
 111                         case "createdtime":
 112                                 return File.GetCreationTime (itemSpec).ToString ();
 113                         case "accessedtime":
 114                                 return File.GetLastAccessTime (itemSpec).ToString ();
 115                         default:
 116                                 return (string) metadata [metadataName];
 117                         }
 118                 }
 119
 120                 public override object InitializeLifetimeService ()
 121                 {
 122                         return null;
 123                 }
 124
 125                 public void RemoveMetadata (string metadataName)
 126                 {
 127                         if (metadata.Contains (metadataName))
 128                                 metadata.Remove (metadataName);
 129                 }
 130
 131                 public void SetMetadata (string metadataName, string metadataValue)
 132                 {
 133                         if (metadata.Contains (metadataName))
 134                                 metadata.Remove (metadataName);
 135                         metadata.Add (metadataName, metadataValue);
 136                 }
 137
 138                 public override string ToString ()
 139                 {
 140                         return itemSpec;
 141                 }
 142
 143                 public string ItemSpec {
 144                         get { return itemSpec; }
 145                         set { itemSpec = value; }
 146                 }
 147
 148                 public int MetadataCount {
 149                 // predefined metadata
 150                         get { return metadata.Count + 11; }
 151                 }
 152
 153                 public ICollection MetadataNames {
 154                         get { return metadata.Keys; }
 155                 }
 156         }
 157 }