//
// CallTarget.cs
//
// Author:
//   Marek Sieradzki (marek.sieradzki@gmail.com)
//
// (C) 2006 Marek Sieradzki
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using Microsoft.Build.Framework;

namespace Microsoft.Build.Tasks {
	public class CallTarget : TaskExtension {
	
		bool		runEachTargetSeparately;
		List<ITaskItem>	targetOutputs_list;
		ITaskItem[]	targetOutputs_array;
		string[]	targets;
	
		public CallTarget ()
		{
			targetOutputs_list = new List<ITaskItem> ();
		}
		
		public override bool Execute ()
		{
			if (targets == null || targets.Length == 0)
				return true;

			Hashtable targets_table = new Hashtable ();

			if (!RunEachTargetSeparately) {
				bool ret = BuildEngine.BuildProjectFile (BuildEngine.ProjectFileOfTaskNode,
						targets, null, targets_table);
				foreach (ITaskItem[] items in targets_table.Values) {
					if (items != null)
						targetOutputs_list.AddRange (items);
				}

				return ret;
			}

			// RunEachTargetSeparately
			bool allPassed = true;
			for (int i = 0; i < targets.Length; i ++) {
				string target = targets [i];
				bool result = BuildEngine.BuildProjectFile (BuildEngine.ProjectFileOfTaskNode,
						new string[] { target }, null, targets_table);

				if (allPassed && !result)
					allPassed = false;

				if (!targets_table.Contains (target))
					continue;

				ITaskItem [] items = (ITaskItem[]) targets_table [target];
				if (items != null)
					targetOutputs_list.AddRange (items);
			}

			return allPassed;
		}
		
		public bool RunEachTargetSeparately {
			get { return runEachTargetSeparately; }
			set { runEachTargetSeparately = value; }
		}
		
		[Output]
		public ITaskItem[] TargetOutputs {
			get {
				if (targetOutputs_array == null)
					targetOutputs_array = targetOutputs_list.ToArray ();
				return targetOutputs_array;
			}
		}
		
		public string[] Targets {
			get { return targets; }
			set { targets = value; }
		}
	}
}