X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2FMicrosoft.Build.Engine%2FMicrosoft.Build.BuildEngine%2FMetadataReference.cs;h=3e245ab1c9deca3ad1b59b117c4690a60936a98b;hb=d531a7515eaad9fb1c2ca9fff160851fa70aa168;hp=41ba8f32bb8d62db4217c70f7ea09a061fdf1848;hpb=5d9434fcb3acc1ed7d3d30603faae797d672fe65;p=mono.git

diff --git a/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/MetadataReference.cs b/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/MetadataReference.cs
index 41ba8f32bb8..3e245ab1c9d 100644
--- a/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/MetadataReference.cs
+++ b/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/MetadataReference.cs
@@ -28,42 +28,25 @@
 #if NET_2_0
 
 using System;
+using System.Collections.Generic;
+using System.Text;
 using Microsoft.Build.Framework;
 using Microsoft.Build.Utilities;
 
 namespace Microsoft.Build.BuildEngine {
-	internal class MetadataReference {
+	internal class MetadataReference : IReference {
 	
 		string		itemName;
 		string		metadataName;
+		int start;
+		int length;
 	
-		public MetadataReference ()
-		{
-		}
-
-		public MetadataReference (string itemName, string metadataName)
+		public MetadataReference (string itemName, string metadataName, int start, int length)
 		{
 			this.itemName = itemName;
 			this.metadataName = metadataName;
-		}
-		
-		public void ParseSource (string source)
-		{
-			string sourceWithoutParens;
-			int dot;
-		
-			if (source.Length < 4)
-				throw new ArgumentException ("source is too short.");
-			
-			sourceWithoutParens = source.Substring (2, source.Length - 3);
-			dot = sourceWithoutParens.IndexOf ('.');
-			
-			if (dot != -1) {
-				itemName = sourceWithoutParens.Substring (0, dot);
-				metadataName = sourceWithoutParens.Substring (dot + 1, sourceWithoutParens.Length - dot - 1); 
-			} else {
-				metadataName = sourceWithoutParens;
-			}
+			this.start = start;
+			this.length = length;
 		}
 		
 		public string ItemName {
@@ -77,7 +60,75 @@ namespace Microsoft.Build.BuildEngine {
 		public bool IsQualified {
 			get { return (itemName == null) ? false : true; }
 		}
+
+		public int Start {
+			get { return start; }
+		}
+
+		public int End {
+			get { return start + length - 1; }
+		}
+
+		public string ConvertToString (Project project)
+		{
+			return project.GetMetadataBatched (itemName, metadataName);
+		}
+
+		public ITaskItem [] ConvertToITaskItemArray (Project project)
+		{
+			List<ITaskItem> items = new List<ITaskItem> ();
+			if (IsQualified) {
+				// Bucket would have item lists with same metadata values,
+				// so just get the value from the first item
+				BuildItemGroup group;
+				if (project.TryGetEvaluatedItemByNameBatched (itemName, out group))
+					BuildItemGroupToITaskItems (group, items, true);
+			} else {
+				// Get unique metadata values from _all_ item lists
+				foreach (BuildItemGroup group in project.GetAllItemGroups ())
+					BuildItemGroupToITaskItems (group, items, false);
+			}
+
+			return items.Count == 0 ? null : items.ToArray ();
+		}
+
+		// Gets metadata values from build item @group and adds as ITaskItem
+		// objects to @items
+		// @only_one: Batched case, all item lists would have same metadata values,
+		//	      just return first one
+		void BuildItemGroupToITaskItems (BuildItemGroup group, List<ITaskItem> items, bool only_one)
+		{
+			foreach (BuildItem item in group) {
+				if (!item.HasMetadata (metadataName))
+					continue;
+
+				string metadata = item.GetMetadata (metadataName);
+				if (HasTaskItem (items, metadata))
+					//return only unique metadata values
+					continue;
+
+				items.Add (new TaskItem (metadata));
+				if (only_one)
+					break;
+			}
+		}
+
+		private bool HasTaskItem (List<ITaskItem> items, string itemspec)
+		{
+			foreach (ITaskItem task_item in items)
+				if (task_item.ItemSpec == itemspec)
+					return true;
+			return false;
+		}
+
+		public override string ToString ()
+		{
+			if (IsQualified)
+				return String.Format ("%({0}.{1})", itemName, metadataName);
+			else
+				return String.Format ("%({0})", metadataName);
+		}
 	}
 }
 
-#endif
\ No newline at end of file
+#endif