public static void ComputeRefactoring(RefactoringContext context, SwitchSectionSyntax switchSection)
{
if (!switchSection.IsParentKind(SyntaxKind.SwitchStatement))
{
return;
}
SyntaxList <SwitchLabelSyntax> labels = switchSection.Labels;
if (labels.Count <= 1)
{
return;
}
if (!SyntaxListSelection <SwitchLabelSyntax> .TryCreate(labels, context.Span, out SyntaxListSelection <SwitchLabelSyntax> selectedLabels))
{
return;
}
if (selectedLabels.Count == 1 &&
(selectedLabels.First() == labels.Last()))
{
return;
}
context.RegisterRefactoring(
"Split labels",
ct => RefactorAsync(context.Document, switchSection, selectedLabels, ct),
RefactoringDescriptors.SplitSwitchLabels);
}
public static void ComputeRefactorings(RefactoringContext context, MemberDeclarationSyntax member)
{
if (context.IsAnyRefactoringEnabled(
RefactoringIdentifiers.SplitAttributes,
RefactoringIdentifiers.MergeAttributes) &&
!member.IsKind(SyntaxKind.NamespaceDeclaration) &&
SyntaxListSelection <AttributeListSyntax> .TryCreate(member.GetAttributeLists(), context.Span, out SyntaxListSelection <AttributeListSyntax> selectedAttributeLists))
{
if (context.IsRefactoringEnabled(RefactoringIdentifiers.SplitAttributes) &&
selectedAttributeLists.Any(f => f.Attributes.Count > 1))
{
context.RegisterRefactoring(
"Split attributes",
ct => SplitAsync(context.Document, member, selectedAttributeLists.ToArray(), ct),
RefactoringIdentifiers.SplitAttributes);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.MergeAttributes) &&
selectedAttributeLists.Count > 1)
{
context.RegisterRefactoring(
"Merge attributes",
ct => MergeAsync(context.Document, member, selectedAttributeLists.ToArray(), ct),
RefactoringIdentifiers.MergeAttributes);
}
}
}
public static void ComputeRefactoring(RefactoringContext context, SwitchSectionSyntax switchSection)
{
if (switchSection.IsParentKind(SyntaxKind.SwitchStatement))
{
SyntaxList <SwitchLabelSyntax> labels = switchSection.Labels;
if (labels.Count > 1 &&
SyntaxListSelection <SwitchLabelSyntax> .TryCreate(labels, context.Span, out SyntaxListSelection <SwitchLabelSyntax> selection))
{
if (selection.Count > 1 || (selection.First() != labels.Last()))
{
SwitchLabelSyntax[] selectedLabels = selection.ToArray();
if (selectedLabels.Last() == labels.Last())
{
selectedLabels = selectedLabels.Take(selectedLabels.Length - 1).ToArray();
}
context.RegisterRefactoring(
"Split labels",
cancellationToken => RefactorAsync(context.Document, switchSection, selectedLabels, cancellationToken));
}
}
}
}
public static void ComputeRefactorings(RefactoringContext context, SwitchStatementSyntax switchStatement)
{
bool fRemoveStatements = context.IsRefactoringEnabled(RefactoringIdentifiers.RemoveStatementsFromSwitchSections);
bool fAddBraces = context.IsRefactoringEnabled(RefactoringIdentifiers.AddBracesToSwitchSections);
bool fRemoveBraces = context.IsRefactoringEnabled(RefactoringIdentifiers.RemoveBracesFromSwitchSections);
if (!fRemoveStatements && !fAddBraces && !fRemoveBraces)
{
return;
}
if (!SyntaxListSelection <SwitchSectionSyntax> .TryCreate(switchStatement.Sections, context.Span, out SyntaxListSelection <SwitchSectionSyntax> selectedSections))
{
return;
}
if (fAddBraces || fRemoveBraces)
{
var addBraces = new List <SwitchSectionSyntax>();
var removeBraces = new List <SwitchSectionSyntax>();
foreach (SwitchSectionSyntax section in selectedSections)
{
if (addBraces.Count > 0 &&
removeBraces.Count > 0)
{
break;
}
BracesAnalysis analysis = BracesAnalysis.AnalyzeBraces(section);
if (analysis.AddBraces)
{
addBraces.Add(section);
}
else if (analysis.RemoveBraces)
{
removeBraces.Add(section);
}
}
if (fAddBraces && addBraces.Count > 0)
{
string title = AddBracesToSwitchSectionRefactoring.Title;
if (addBraces.Count > 1)
{
title += "s";
}
context.RegisterRefactoring(
title,
cancellationToken =>
{
return(AddBracesToSwitchSectionsRefactoring.RefactorAsync(
context.Document,
switchStatement,
addBraces.ToArray(),
cancellationToken));
},
RefactoringIdentifiers.AddBracesToSwitchSections);
}
if (fRemoveBraces &&
removeBraces.Count > 0)
{
string title = RemoveBracesFromSwitchSectionRefactoring.Title;
if (removeBraces.Count > 1)
{
title += "s";
}
context.RegisterRefactoring(
title,
cancellationToken =>
{
return(RemoveBracesFromSwitchSectionsRefactoring.RefactorAsync(
context.Document,
switchStatement,
removeBraces.ToArray(),
cancellationToken));
},
RefactoringIdentifiers.RemoveBracesFromSwitchSections);
}
}
if (fRemoveStatements)
{
string title = "Remove statements from section";
if (selectedSections.Count > 1)
{
title += "s";
}
context.RegisterRefactoring(
title,
cancellationToken =>
{
return(RemoveStatementsFromSwitchSectionsRefactoring.RefactorAsync(
context.Document,
switchStatement,
selectedSections.ToImmutableArray(),
cancellationToken));
},
RefactoringIdentifiers.RemoveStatementsFromSwitchSections);
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, SwitchSectionSyntax switchSection)
{
if (SelectedStatementsRefactoring.IsAnyRefactoringEnabled(context) &&
StatementListSelection.TryCreate(switchSection, context.Span, out StatementListSelection selectedStatements))
{
await SelectedStatementsRefactoring.ComputeRefactoringAsync(context, selectedStatements).ConfigureAwait(false);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.SortCaseLabels) &&
SyntaxListSelection <SwitchLabelSyntax> .TryCreate(switchSection.Labels, context.Span, out SyntaxListSelection <SwitchLabelSyntax> selectedLabels) &&
selectedLabels.Count > 1)
{
SortCaseLabelsRefactoring.ComputeRefactoring(context, selectedLabels);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.SplitSwitchLabels))
{
SplitSwitchLabelsRefactoring.ComputeRefactoring(context, switchSection);
}
if (context.IsAnyRefactoringEnabled(
RefactoringIdentifiers.AddBracesToSwitchSection,
RefactoringIdentifiers.AddBracesToSwitchSections,
RefactoringIdentifiers.RemoveBracesFromSwitchSection,
RefactoringIdentifiers.RemoveBracesFromSwitchSections) &&
context.Span.IsEmpty &&
IsContainedInCaseOrDefaultKeyword(context.Span))
{
var switchStatement = (SwitchStatementSyntax)switchSection.Parent;
SyntaxList <SwitchSectionSyntax> sections = switchStatement.Sections;
BracesAnalysis analysis = BracesAnalysis.AnalyzeBraces(switchSection);
if (analysis.AddBraces)
{
if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddBracesToSwitchSection))
{
context.RegisterRefactoring(
AddBracesToSwitchSectionRefactoring.Title,
cancellationToken => AddBracesToSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken),
RefactoringIdentifiers.AddBracesToSwitchSection);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.AddBracesToSwitchSections) &&
sections.Any(f => f != switchSection && AddBracesToSwitchSectionAnalysis.CanAddBraces(f)))
{
context.RegisterRefactoring(
AddBracesToSwitchSectionsRefactoring.Title,
cancellationToken => AddBracesToSwitchSectionsRefactoring.RefactorAsync(context.Document, switchStatement, null, cancellationToken),
RefactoringIdentifiers.AddBracesToSwitchSections);
}
}
else if (analysis.RemoveBraces)
{
if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemoveBracesFromSwitchSection))
{
context.RegisterRefactoring(
RemoveBracesFromSwitchSectionRefactoring.Title,
cancellationToken => RemoveBracesFromSwitchSectionRefactoring.RefactorAsync(context.Document, switchSection, cancellationToken),
RefactoringIdentifiers.RemoveBracesFromSwitchSection);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemoveBracesFromSwitchSections) &&
sections.Any(f => f != switchSection && RemoveBracesFromSwitchSectionRefactoring.CanRemoveBraces(f)))
{
context.RegisterRefactoring(
RemoveBracesFromSwitchSectionsRefactoring.Title,
cancellationToken => RemoveBracesFromSwitchSectionsRefactoring.RefactorAsync(context.Document, switchStatement, null, cancellationToken),
RefactoringIdentifiers.RemoveBracesFromSwitchSections);
}
}
}
bool IsContainedInCaseOrDefaultKeyword(TextSpan span)
{
foreach (SwitchLabelSyntax label in switchSection.Labels)
{
if (label.Keyword.Span.Contains(span))
{
return(true);
}
}
return(false);
}
}
