public static bool ShouldUseSmartTokenFormatterInsteadOfIndenter(
IEnumerable<AbstractFormattingRule> formattingRules,
CompilationUnitSyntax root,
TextLine line,
IOptionService optionService,
OptionSet optionSet,
out SyntaxToken token)
{
Contract.ThrowIfNull(formattingRules);
Contract.ThrowIfNull(root);
token = default;
if (!optionSet.GetOption(FormattingOptions.AutoFormattingOnReturn, LanguageNames.CSharp))
{
return false;
}
if (optionSet.GetOption(FormattingOptions.SmartIndent, LanguageNames.CSharp) != FormattingOptions.IndentStyle.Smart)
{
return false;
}
var firstNonWhitespacePosition = line.GetFirstNonWhitespacePosition();
if (!firstNonWhitespacePosition.HasValue)
{
return false;
}
token = root.FindToken(firstNonWhitespacePosition.Value);
if (IsInvalidToken(token))
{
return false;
}
if (token.IsKind(SyntaxKind.None) ||
token.SpanStart != firstNonWhitespacePosition)
{
return false;
}
// first see whether there is a line operation for current token
var previousToken = token.GetPreviousToken(includeZeroWidth: true);
// only use smart token formatter when we have two visible tokens.
if (previousToken.Kind() == SyntaxKind.None || previousToken.IsMissing)
{
return false;
}
var lineOperation = FormattingOperations.GetAdjustNewLinesOperation(formattingRules, previousToken, token, optionSet.AsAnalyzerConfigOptions(optionService, LanguageNames.CSharp));
if (lineOperation == null || lineOperation.Option == AdjustNewLinesOption.ForceLinesIfOnSingleLine)
{
// no indentation operation, nothing to do for smart token formatter
return false;
}
// We're pressing enter between two tokens, have the formatter figure out hte appropriate
// indentation.
return true;
}
public static bool ShouldUseSmartTokenFormatterInsteadOfIndenter(
IEnumerable <IFormattingRule> formattingRules,
CompilationUnitSyntax root,
ITextSnapshotLine line,
OptionSet optionSet,
CancellationToken cancellationToken)
{
Contract.ThrowIfNull(formattingRules);
Contract.ThrowIfNull(root);
Contract.ThrowIfNull(line);
if (optionSet.GetOption(FormattingOptions.SmartIndent, LanguageNames.CSharp) != FormattingOptions.IndentStyle.Smart)
{
return(false);
}
var firstNonWhitespacePosition = line.GetFirstNonWhitespacePosition();
if (!firstNonWhitespacePosition.HasValue)
{
return(false);
}
var token = root.FindToken(firstNonWhitespacePosition.Value);
if (token.IsKind(SyntaxKind.None) ||
token.SpanStart != firstNonWhitespacePosition)
{
return(false);
}
// first see whether there is a line operation for current token
var previousToken = token.GetPreviousToken(includeZeroWidth: true);
// only use smart token formatter when we have two visible tokens.
if (previousToken.Kind() == SyntaxKind.None || previousToken.IsMissing)
{
return(false);
}
var lineOperation = FormattingOperations.GetAdjustNewLinesOperation(formattingRules, previousToken, token, optionSet);
if (lineOperation != null && lineOperation.Option != AdjustNewLinesOption.ForceLinesIfOnSingleLine)
{
return(true);
}
// no indentation operation, nothing to do for smart token formatter
return(false);
}