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