internal static IFormattingResult GetFormattingResult(
SyntaxNode node,
ISyntaxFormattingService syntaxFormattingService,
IEnumerable <TextSpan> spans,
OptionSet options,
IEnumerable <AbstractFormattingRule> rules,
CancellationToken cancellationToken
)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
if (syntaxFormattingService is null)
{
return(null);
}
options ??= CompilerAnalyzerConfigOptions.Empty;
rules ??= GetDefaultFormattingRules(syntaxFormattingService);
spans ??= SpecializedCollections.SingletonEnumerable(node.FullSpan);
return(syntaxFormattingService.Format(
node,
spans,
shouldUseFormattingSpanCollapse: false,
options,
rules,
cancellationToken
));
}
internal static async Task <SyntaxTree> FormatAsync(
SyntaxTree syntaxTree,
ISyntaxFormattingService syntaxFormattingService,
IEnumerable <TextSpan> spans,
OptionSet options,
IEnumerable <AbstractFormattingRule> rules,
CancellationToken cancellationToken
)
{
if (syntaxTree == null)
{
throw new ArgumentNullException(nameof(syntaxTree));
}
var root = await syntaxTree.GetRootAsync(cancellationToken).ConfigureAwait(false);
var documentOptions = options ?? CompilerAnalyzerConfigOptions.Empty;
return(syntaxTree.WithRootAndOptions(
Format(
root,
syntaxFormattingService,
spans,
documentOptions,
rules,
cancellationToken
),
syntaxTree.Options
));
}
internal static IList <TextChange> GetFormattedTextChanges(SyntaxNode node, ISyntaxFormattingService syntaxFormattingService, IEnumerable <TextSpan> spans, OptionSet options, IEnumerable <AbstractFormattingRule> rules, CancellationToken cancellationToken)
{
var formattingResult = GetFormattingResult(node, syntaxFormattingService, spans, options, rules, cancellationToken);
return(formattingResult == null
? SpecializedCollections.EmptyList <TextChange>()
: formattingResult.GetTextChanges(cancellationToken));
}
public static SyntaxNode Format(SyntaxNode node, ISyntaxFormattingService syntaxFormattingService, SyntaxAnnotation annotation, OptionSet options, IEnumerable <AbstractFormattingRule> rules, CancellationToken cancellationToken)
{
var spans = (annotation == SyntaxAnnotation.ElasticAnnotation)
? GetElasticSpans(node)
: GetAnnotatedSpans(node, annotation);
return(Format(node, syntaxFormattingService, spans, options, rules, cancellationToken: cancellationToken));
}
/// <summary>
/// Gets the formatting rules that would be applied if left unspecified.
/// </summary>
internal static IEnumerable <IFormattingRule> GetDefaultFormattingRules(ISyntaxFormattingService syntaxFormattingService)
{
if (syntaxFormattingService != null)
{
return(syntaxFormattingService.GetDefaultFormattingRules());
}
else
{
return(SpecializedCollections.EmptyEnumerable <IFormattingRule>());
}
}
private static async Task <Document> CleanUpNewLinesAsync(
Document document,
TextSpan insertSpan,
ISyntaxFormattingService languageFormatter,
OptionSet optionSet,
CancellationToken cancellationToken
)
{
var root = await document
.GetRequiredSyntaxRootAsync(cancellationToken)
.ConfigureAwait(false);
var text = await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
var optionService =
document.Project.Solution.Workspace.Services.GetRequiredService <IOptionService>();
var shouldUseFormattingSpanCollapse = optionSet.GetOption(
FormattingOptions.AllowDisjointSpanMerging
);
var options = optionSet.AsAnalyzerConfigOptions(optionService, root.Language);
var textChanges = languageFormatter
.Format(
root,
new[] { insertSpan },
shouldUseFormattingSpanCollapse,
options,
new[] { new CleanUpNewLinesFormatter(text) },
cancellationToken
)
.GetTextChanges(cancellationToken);
// If there are no changes then, do less work.
if (textChanges.Count == 0)
{
return(document);
}
// The last text change should include where the insert span ends
Debug.Assert(textChanges.Last().Span.IntersectsWith(insertSpan.End));
// If there are changes then, this was a case where there were no
// previous imports statements. We need to retain the final extra
// newline because that separates the imports section from the rest
// of the code.
textChanges.RemoveAt(textChanges.Count - 1);
var newText = text.WithChanges(textChanges);
return(document.WithText(newText));
}
public static Task <SyntaxTree> FormatAsync(
SyntaxTree syntaxTree,
ISyntaxFormattingService syntaxFormattingService,
TextSpan span,
OptionSet options,
CancellationToken cancellationToken
) =>
FormatAsync(
syntaxTree,
syntaxFormattingService,
SpecializedCollections.SingletonEnumerable(span),
options,
cancellationToken
);
public static IList <TextChange> GetFormattedTextChanges(
SyntaxNode node,
ISyntaxFormattingService syntaxFormattingService,
OptionSet options,
CancellationToken cancellationToken
) =>
GetFormattedTextChanges(
node,
syntaxFormattingService,
SpecializedCollections.SingletonEnumerable(node.FullSpan),
options,
rules: null,
cancellationToken: cancellationToken
);
public static SyntaxNode Format(
SyntaxNode node,
ISyntaxFormattingService syntaxFormattingService,
OptionSet options,
CancellationToken cancellationToken
) =>
Format(
node,
syntaxFormattingService,
SpecializedCollections.SingletonEnumerable(node.FullSpan),
options,
rules: null,
cancellationToken: cancellationToken
);
public static Task <SyntaxTree> FormatAsync(
SyntaxTree syntaxTree,
ISyntaxFormattingService syntaxFormattingService,
IEnumerable <TextSpan> spans,
OptionSet options,
CancellationToken cancellationToken
) =>
FormatAsync(
syntaxTree,
syntaxFormattingService,
spans,
options,
rules: null,
cancellationToken
);
internal static SyntaxNode Format(
SyntaxNode node,
ISyntaxFormattingService syntaxFormattingService,
IEnumerable <TextSpan> spans,
OptionSet options,
IEnumerable <AbstractFormattingRule> rules,
CancellationToken cancellationToken
)
{
var formattingResult = GetFormattingResult(
node,
syntaxFormattingService,
spans,
options,
rules,
cancellationToken
);
return(formattingResult == null
? node
: formattingResult.GetFormattedRoot(cancellationToken));
}
private async Task <Document> CleanUpNewLinesAsync(Document document, TextSpan insertSpan, ISyntaxFormattingService languageFormatter, OptionSet options, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var text = await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
var textChanges = languageFormatter.Format(root, new[] { insertSpan }, options, new[] { new CleanUpNewLinesFormatter(text) }, cancellationToken).GetTextChanges();
// If there are no changes then, do less work.
if (textChanges.Count == 0)
{
return(document);
}
// The last text change should include where the insert span ends
Debug.Assert(textChanges.Last().Span.IntersectsWith(insertSpan.End));
// If there are changes then, this was a case where there were no
// previous imports statements. We need to retain the final extra
// newline because that separates the imports section from the rest
// of the code.
textChanges.RemoveAt(textChanges.Count - 1);
var newText = text.WithChanges(textChanges);
return(document.WithText(newText));
}
/// <summary> /// Gets the formatting rules that would be applied if left unspecified. /// </summary> internal static IEnumerable <AbstractFormattingRule> GetDefaultFormattingRules(ISyntaxFormattingService syntaxFormattingService) => syntaxFormattingService.GetDefaultFormattingRules();
public static SyntaxNode Format(SyntaxNode node, TextSpan spanToFormat, ISyntaxFormattingService syntaxFormattingService, SyntaxFormattingOptions options, CancellationToken cancellationToken) => Format(node, SpecializedCollections.SingletonEnumerable(spanToFormat), syntaxFormattingService, options, rules: null, cancellationToken: cancellationToken);
/// <summary> /// Formats the whitespace of a syntax tree. /// </summary> /// <param name="node">The root node of a syntax tree.</param> /// <param name="annotation">The descendant nodes of the root to format.</param> /// <param name="options">An optional set of formatting options. If these options are not supplied the current set of options from the workspace will be used.</param> /// <param name="cancellationToken">An optional cancellation token.</param> /// <returns>The formatted tree's root node.</returns> public static SyntaxNode Format(SyntaxNode node, SyntaxAnnotation annotation, ISyntaxFormattingService syntaxFormattingService, SyntaxFormattingOptions options, IEnumerable <AbstractFormattingRule>?rules, CancellationToken cancellationToken) => Format(node, GetAnnotatedSpans(node, annotation), syntaxFormattingService, options, rules, cancellationToken: cancellationToken);
internal static IFormattingResult GetFormattingResult(SyntaxNode node, IEnumerable <TextSpan> spans, ISyntaxFormattingService syntaxFormattingService, SyntaxFormattingOptions options, IEnumerable <AbstractFormattingRule>?rules, CancellationToken cancellationToken) => syntaxFormattingService.GetFormattingResult(node, spans, options, rules, cancellationToken);
internal static IList <TextChange> GetFormattedTextChanges(SyntaxNode node, IEnumerable <TextSpan> spans, ISyntaxFormattingService syntaxFormattingService, SyntaxFormattingOptions options, IEnumerable <AbstractFormattingRule>?rules, CancellationToken cancellationToken) => GetFormattingResult(node, spans, syntaxFormattingService, options, rules, cancellationToken).GetTextChanges(cancellationToken);