80 lines
2.9 KiB
C#
80 lines
2.9 KiB
C#
// BuildTaskFactory.cs
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//
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// Author:
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// Atsushi Enomoto (atsushi@xamarin.com)
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//
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// Copyright (C) 2013 Xamarin Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Linq;
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using Microsoft.Build.Framework;
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using Microsoft.Build.Internal;
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using System.Collections.Generic;
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using Microsoft.Build.Execution;
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namespace Microsoft.Build.Internal
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{
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class BuildTaskFactory
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{
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public BuildTaskFactory (BuildTaskDatabase builtInDatabase, BuildTaskDatabase perProjectDatabase)
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{
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this.built_in_database = builtInDatabase;
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this.per_project_database = perProjectDatabase;
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}
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readonly BuildTaskDatabase built_in_database, per_project_database;
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readonly List<ITaskFactory> task_factories = new List<ITaskFactory> ();
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public void ResetCaches ()
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{
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task_factories.Clear ();
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}
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public ITask CreateTask (string name, IDictionary<string,string> factoryIdentityParameters, IBuildEngine engine)
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{
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Func<BuildTaskDatabase.TaskDescription,bool> fn = t => t.IsMatch (name);
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var td = per_project_database.Tasks.FirstOrDefault (fn) ?? built_in_database.Tasks.FirstOrDefault (fn);
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if (td == null)
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throw new InvalidOperationException (string.Format ("Task '{0}' could not be found", name));
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if (td.TaskFactoryType != null) {
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var tf = task_factories.FirstOrDefault (f => f.GetType () == td.TaskFactoryType);
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if (tf == null) {
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tf = (ITaskFactory) Activator.CreateInstance (td.TaskFactoryType);
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var tf2 = tf as ITaskFactory2;
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if (tf2 != null)
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tf2.Initialize (name, factoryIdentityParameters, td.TaskFactoryParameters, td.TaskBody, engine);
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else
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tf.Initialize (name, td.TaskFactoryParameters, td.TaskBody, engine);
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task_factories.Add (tf);
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}
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return tf.CreateTask (engine);
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}
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else
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return (ITask) Activator.CreateInstance (td.TaskType);
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}
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}
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}
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