2 // MetadataReference.cs: Represents a metadata reference in expression.
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;
33 using Microsoft.Build.Framework;
34 using Microsoft.Build.Utilities;
36 namespace Microsoft.Build.BuildEngine {
37 internal class MetadataReference : IReference {
44 public MetadataReference (string itemName, string metadataName, int start, int length)
46 this.itemName = itemName;
47 this.metadataName = metadataName;
52 public string ItemName {
53 get { return itemName; }
56 public string MetadataName {
57 get { return metadataName; }
60 public bool IsQualified {
61 get { return (itemName == null) ? false : true; }
69 get { return start + length - 1; }
72 public string ConvertToString (Project project)
74 return project.GetMetadataBatched (itemName, metadataName);
77 public ITaskItem [] ConvertToITaskItemArray (Project project)
79 List<ITaskItem> items = new List<ITaskItem> ();
81 // Bucket would have item lists with same metadata values,
82 // so just get the value from the first item
84 if (project.TryGetEvaluatedItemByNameBatched (itemName, out group))
85 BuildItemGroupToITaskItems (group, items, true);
87 // Get unique metadata values from _all_ item lists
88 foreach (BuildItemGroup group in project.GetAllItemGroups ())
89 BuildItemGroupToITaskItems (group, items, false);
92 return items.Count == 0 ? null : items.ToArray ();
95 // Gets metadata values from build item @group and adds as ITaskItem
97 // @only_one: Batched case, all item lists would have same metadata values,
98 // just return first one
99 void BuildItemGroupToITaskItems (BuildItemGroup group, List<ITaskItem> items, bool only_one)
101 foreach (BuildItem item in group) {
102 if (!item.HasMetadata (metadataName))
105 string metadata = item.GetMetadata (metadataName);
106 if (HasTaskItem (items, metadata))
107 //return only unique metadata values
110 items.Add (new TaskItem (metadata));
116 private bool HasTaskItem (List<ITaskItem> items, string itemspec)
118 foreach (ITaskItem task_item in items)
119 if (task_item.ItemSpec == itemspec)
124 public override string ToString ()
127 return String.Format ("%({0}.{1})", itemName, metadataName);
129 return String.Format ("%({0})", metadataName);