1 files changed, 141 insertions, 0 deletions
diff --git a/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/Pad/BatchFixer.cs b/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/Pad/BatchFixer.cs
new file mode 100644
index 0000000000..c4c6491f05
--- /dev/null
+++ b/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/Pad/BatchFixer.cs
@@ -0,0 +1,141 @@
+//
+// BatchFixer.cs
+//
+// Author:
+//       Simon Lindgren <simon.n.lindgren@gmail.com>
+//
+// Copyright (c) 2013 Simon Lindgren
+//
+// 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.Linq;
+using System.Collections.Generic;
+using MonoDevelop.Ide;
+using ICSharpCode.NRefactory.CSharp.Resolver;
+using MonoDevelop.Core;
+using System.Threading.Tasks;
+using MonoDevelop.Refactoring;
+using ICSharpCode.NRefactory.Refactoring;
+using System.Threading;
+using MonoDevelop.Projects;
+using MonoDevelop.Ide.TypeSystem;
+using ICSharpCode.NRefactory.CSharp;
+using System.Text;
+using MonoDevelop.Ide.Editor;
+using MonoDevelop.Core.Text;
+
+namespace MonoDevelop.CodeIssues
+{
+	public class BatchFixer
+	{
+		readonly IActionMatcher matcher;
+
+		readonly ProgressMonitor monitor;
+
+		public BatchFixer (IActionMatcher matcher, ProgressMonitor monitor)
+		{
+			this.matcher = matcher;
+			this.monitor = monitor;
+		}
+
+		/// <summary>
+		/// Tries to apply the actions passed in <paramref name="actions"/>.
+		/// </summary>
+		/// <param name="actions">The actions to apply.</param>
+		/// <returns>The fixed code actions.</returns>
+		public IEnumerable<ActionSummary> TryFixIssues (IEnumerable<ActionSummary> actions)
+		{
+			if (actions == null)
+				throw new ArgumentNullException ("actions");
+				
+			// enumerate once
+			var actionSummaries = actions as IList<ActionSummary> ?? actions.ToList ();
+			var issueSummaries = actionSummaries.Select (action => action.IssueSummary).ToList ();
+			var files = issueSummaries.Select (issue => issue.File).Distinct ().ToList ();
+			monitor.BeginTask ("Applying fixes", files.Count);
+			
+			var appliedActions = new List<ActionSummary> (issueSummaries.Count);
+			Parallel.ForEach (files, file => {
+				monitor.Step (1);
+				
+				var fileSummaries = issueSummaries.Where (summary => summary.File == file);
+				var inspectorIds = new HashSet<string> (fileSummaries.Select (summary => summary.InspectorIdString));
+				
+				bool isOpen;
+				var data = TextFileProvider.Instance.GetTextEditorData (file.FilePath, out isOpen);
+				IRefactoringContext refactoringContext;
+				var realActions = GetIssues (data, file, inspectorIds, out refactoringContext).SelectMany (issue => issue.Actions).ToList ();
+				if (realActions.Count == 0 || refactoringContext == null)
+					return;
+				
+				var fileActionSummaries = actionSummaries.Where (summary => summary.IssueSummary.File == file).ToList ();
+				var matches = matcher.Match (fileActionSummaries, realActions).ToList ();
+				
+				var appliedFixes = RefactoringService.ApplyFixes (matches.Select (match => match.Action), refactoringContext);
+				appliedActions.AddRange (matches.Where (match => appliedFixes.Contains (match.Action)).Select (match => match.Summary));
+				
+				if (!isOpen) {
+					// If the file is open we leave it to the user to explicitly save the file
+					data.Save ();
+				}
+			});
+			return appliedActions;
+		}
+
+		static IList<CodeIssue> GetIssues (ITextDocument data, ProjectFile file, ISet<string> inspectorIds, out IRefactoringContext refactoringContext)
+		{
+			var issues = new List<CodeIssue> ();
+//			
+//			var document = TypeSystemService.ParseFile (file.Project, data);
+//			if (document == null) {
+				refactoringContext = null;
+//				return issues;
+//			}
+//
+//			var content = TypeSystemService.GetProjectContext (file.Project);
+//			var compilation  = content.AddOrUpdateFiles (document.ParsedFile).CreateCompilation ();
+//			var resolver = new CSharpAstResolver (compilation, document.GetAst<SyntaxTree> (), document.ParsedFile as ICSharpCode.NRefactory.CSharp.TypeSystem.CSharpUnresolvedFile);
+//			
+//			refactoringContext = document.CreateRefactoringContextWithEditor (data, resolver, CancellationToken.None);
+//			var context = refactoringContext;
+//			foreach (var provider in GetInspectors (data, inspectorIds)) {
+//				var severity = provider.GetSeverity ();
+//				if (severity == Severity.None || !provider.GetIsEnabled ())
+//					continue;
+//				try {
+//					lock (issues) {
+//						issues.AddRange (provider.GetIssues (context, CancellationToken.None));
+//					}
+//				} catch (Exception ex) {
+//					LoggingService.LogError ("Error while running code issue on: " + data.FileName, ex);
+//				}
+//			}
+			return issues;
+		}
+
+		static IList<CodeIssueProvider> GetInspectors (IReadonlyTextDocument editor, ICollection<string> inspectorIds)
+		{
+			var inspectors = RefactoringService.GetInspectors (editor.MimeType).ToList ();
+			return inspectors
+				.Where (inspector => inspectorIds.Contains (inspector.IdString))
+				.ToList ();
+		}
+	}
+}
+