public static async Task <Document> RefactorAsync(
            Document document,
            SwitchStatementSyntax switchStatement,
            SwitchSectionSyntax[] sections,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);

            IEnumerable <SwitchSectionSyntax> newSections = switchStatement
                                                            .Sections
                                                            .Select(section =>
            {
                if ((sections == null || Array.IndexOf(sections, section) != -1) &&
                    SwitchStatementAnalysis.CanRemoveBraces(section))
                {
                    var block = (BlockSyntax)section.Statements[0];
                    return(section.WithStatements(block.Statements));
                }
                else
                {
                    return(section);
                }
            });

            SwitchStatementSyntax newSwitchStatement = switchStatement
                                                       .WithSections(List(newSections))
                                                       .WithFormatterAnnotation();

            SyntaxNode newRoot = root.ReplaceNode(switchStatement, newSwitchStatement);

            return(document.WithSyntaxRoot(newRoot));
        }
Beispiel #2
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        public static async Task ComputeRefactoringsAsync(RefactoringContext context, SwitchSectionSyntax switchSection)
        {
            if (SelectedStatementsRefactoring.IsAnyRefactoringEnabled(context))
            {
                SelectedStatementsInfo info = SelectedStatementsInfo.Create(switchSection, context.Span);
                await SelectedStatementsRefactoring.ComputeRefactoringAsync(context, info).ConfigureAwait(false);
            }

            if (context.Span.IsEmpty &&
                context.IsAnyRefactoringEnabled(
                    RefactoringIdentifiers.AddBracesToSwitchSection,
                    RefactoringIdentifiers.AddBracesToSwitchSections,
                    RefactoringIdentifiers.RemoveBracesFromSwitchSection,
                    RefactoringIdentifiers.RemoveBracesFromSwitchSections))
            {
                var switchStatement = (SwitchStatementSyntax)switchSection.Parent;

                SyntaxList <SwitchSectionSyntax> sections = switchStatement.Sections;

                switch (SwitchStatementAnalysis.AnalyzeSection(switchSection))
                {
                case SwitchSectionAnalysisResult.AddBraces:
                {
                    if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddBracesToSwitchSection))
                    {
                        context.RegisterRefactoring(
                            AddBracesToSwitchSectionRefactoring.Title,
                            cancellationToken => AddBracesToSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken));
                    }

                    if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddBracesToSwitchSections) &&
                        sections.Any(f => f != switchSection && SwitchStatementAnalysis.CanAddBraces(f)))
                    {
                        context.RegisterRefactoring(
                            AddBracesToSwitchSectionsRefactoring.Title,
                            cancellationToken => AddBracesToSwitchSectionsRefactoring.RefactorAsync(context.Document, switchStatement, null, cancellationToken));
                    }

                    break;
                }

                case SwitchSectionAnalysisResult.RemoveBraces:
                {
                    if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemoveBracesFromSwitchSection))
                    {
                        context.RegisterRefactoring(
                            RemoveBracesFromSwitchSectionRefactoring.Title,
                            cancellationToken => RemoveBracesFromSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken));
                    }

                    if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemoveBracesFromSwitchSections) &&
                        sections.Any(f => f != switchSection && SwitchStatementAnalysis.CanRemoveBraces(f)))
                    {
                        context.RegisterRefactoring(
                            RemoveBracesFromSwitchSectionsRefactoring.Title,
                            cancellationToken => RemoveBracesFromSwitchSectionsRefactoring.RefactorAsync(context.Document, switchStatement, null, cancellationToken));
                    }

                    break;
                }
                }
            }
        }