source: branches/CodeEditor/HeuristicLab.CodeEditor/3.4/LanguageFeatures/CodeFolding/CSharp/CSharpCodeFoldingStrategy.cs @ 11722

Last change on this file since 11722 was 11722, checked in by jkarder, 6 years ago

#2077:

  • added completion image for templates
  • cleaned CSharpCodeCompletionDataFactory
  • sorted foldings by start offset
File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Linq;
23using CSharpBinding.Parser;
24using ICSharpCode.NRefactory.CSharp;
25using ICSharpCode.NRefactory.TypeSystem;
26
27namespace HeuristicLab.CodeEditor {
28  internal class CSharpCodeFoldingStrategy : CodeFoldingStrategy {
29    private IProjectContent projectContent = new CSharpProjectContent();
30
31    public CSharpCodeFoldingStrategy(CodeEditor codeEditor)
32      : base(codeEditor) {
33      codeEditor.InternalAssembliesLoaded += (sender, args) => {
34        projectContent = projectContent.AddAssemblyReferences(args.Value);
35      };
36      codeEditor.InternalAssembliesUnloaded += (sender, args) => {
37        projectContent = projectContent.RemoveAssemblyReferences(args.Value);
38      };
39    }
40
41    protected override CodeFoldingResult GetCodeFoldingResult(out int firstErrorOffset) {
42      var document = codeEditor.TextEditor.Document;
43      var result = new CodeFoldingResult();
44
45      var foldingContext = new CSharpCodeFoldingContext(document);
46      var v = new FoldingVisitor();
47      v.document = foldingContext.Document;
48      foldingContext.SyntaxTree.AcceptVisitor(v);
49      result.FoldingData = v.foldings.OrderBy(x => x.StartOffset).ToList();
50
51      var firstError = foldingContext.SyntaxTree.Errors.FirstOrDefault();
52      firstErrorOffset = firstError != null
53        ? foldingContext.Document.GetOffset(firstError.Region.Begin)
54        : int.MaxValue;
55
56      return result;
57    }
58  }
59}
Note: See TracBrowser for help on using the repository browser.