mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/CreateItem.cs

   1 //
   2 // CreateItem.cs: Creates build item.
   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
  29 using System;
  30 using System.Collections.Generic;
  31 using System.IO;
  32 using Microsoft.Build.Framework;
  33
  34 namespace Microsoft.Build.Tasks {
  35         public class CreateItem : TaskExtension {
  36
  37                 string[]        additionalMetadata;
  38                 ITaskItem[]     exclude;
  39                 ITaskItem[]     include;
  40                 bool            preserveExistingMetadata;
  41
  42                 public CreateItem ()
  43                 {
  44                 }
  45
  46                 public override bool Execute ()
  47                 {
  48                         if (include == null || include.Length == 0)
  49                                 return true;
  50
  51                         // Handle wild cards
  52                         var directoryScanner = new Microsoft.Build.BuildEngine.DirectoryScanner ();
  53                         directoryScanner.Includes = include;
  54                         directoryScanner.Excludes = exclude;
  55                         directoryScanner.BaseDirectory = new DirectoryInfo (Directory.GetCurrentDirectory ());
  56
  57                         directoryScanner.Scan ();
  58
  59                         List<ITaskItem> output = new List<ITaskItem> ();
  60                         foreach (ITaskItem matchedItem in directoryScanner.MatchedItems) {
  61                                 output.Add (matchedItem);
  62                                 if (AdditionalMetadata == null)
  63                                         continue;
  64
  65                                 foreach (string metadata in AdditionalMetadata) {
  66                                         //a=1
  67                                         string [] parts = metadata.Split (new char [] {'='}, 2, StringSplitOptions.RemoveEmptyEntries);
  68                                         if (parts.Length == 2) {
  69                                                 string name = parts [0].Trim ();
  70                                                 string oldValue = matchedItem.GetMetadata (name);
  71                                                 if (!preserveExistingMetadata || string.IsNullOrEmpty (oldValue))
  72                                                         matchedItem.SetMetadata (name, parts [1].Trim ());
  73                                         }
  74                                 }
  75                         }
  76
  77                         include = output.ToArray ();
  78
  79                         return true;
  80                 }
  81
  82                 public string[] AdditionalMetadata {
  83                         get { return additionalMetadata; }
  84                         set { additionalMetadata = value; }
  85                 }
  86
  87                 public ITaskItem[] Exclude {
  88                         get { return exclude; }
  89                         set { exclude = value; }
  90                 }
  91
  92                 [Output]
  93                 public ITaskItem[] Include {
  94                         get { return include; }
  95                         set { include = value; }
  96                 }
  97
  98                 public bool PreserveExistingMetadata {
  99                         get { return preserveExistingMetadata; }
 100                         set { preserveExistingMetadata = value; }
 101                 }
 102         }
 103 }
 104