private void ApplyIndentationToGivenPosition(
TokenData previousToken,
TokenData currentToken,
TriviaData triviaInfo,
int baseSpaceOrIndentation,
Dictionary <SyntaxToken, int> previousChangesMap,
CancellationToken cancellationToken)
{
// add or replace existing value. this could happen if a token get moved multiple times
// due to one being involved in multiple alignment operations
previousChangesMap[currentToken.Token] = triviaInfo.Spaces;
if (previousToken.IndexInStream < 0 || triviaInfo.Spaces == baseSpaceOrIndentation)
{
return;
}
// before make any change, check whether spacing is allowed
var spanBetweenTokens = TextSpan.FromBounds(previousToken.Token.Span.End, currentToken.Token.SpanStart);
if (_context.IsSpacingSuppressed(spanBetweenTokens))
{
return;
}
// okay, update indentation
_tokenStream.ApplyChange(
previousToken.IndexInStream,
triviaInfo.WithIndentation(baseSpaceOrIndentation, _context, _formattingRules, cancellationToken));
}
private static void ApplySpaceAndWrappingOperationsBody(
FormattingContext context,
TokenStream tokenStream,
TokenPairWithOperations operation,
OperationApplier applier,
CancellationToken cancellationToken)
{
var token1 = operation.Token1;
var token2 = operation.Token2;
// check whether one of tokens is missing (which means syntax error exist around two tokens)
// in error case, we leave code as user wrote
if (token1.IsMissing || token2.IsMissing)
{
return;
}
var triviaInfo = tokenStream.GetTriviaData(operation.PairIndex);
var spanBetweenTokens = TextSpan.FromBounds(token1.Span.End, token2.SpanStart);
if (operation.LineOperation != null)
{
if (!context.IsWrappingSuppressed(spanBetweenTokens))
{
// TODO : need to revisit later for the case where line and space operations
// are conflicting each other by forcing new lines and removing new lines.
//
// if wrapping operation applied, no need to run any other operation
if (applier.Apply(operation.LineOperation, operation.PairIndex, cancellationToken))
{
return;
}
}
}
if (operation.SpaceOperation != null)
{
if (!context.IsSpacingSuppressed(spanBetweenTokens))
{
applier.Apply(operation.SpaceOperation, operation.PairIndex);
}
}
}
private bool ShouldFormat(FormattingContext context)
{
var commonToken1 = this.Token1;
var commonToken2 = this.Token2;
var formatSpanEnd = commonToken2.Kind() == SyntaxKind.None ? commonToken1.Span.End : commonToken2.Span.Start;
var span = TextSpan.FromBounds(commonToken1.Span.End, formatSpanEnd);
if (context.IsSpacingSuppressed(span))
{
return false;
}
var triviaList = new TriviaList(commonToken1.TrailingTrivia, commonToken2.LeadingTrivia);
Contract.ThrowIfFalse(triviaList.Count > 0);
// okay, now, check whether we need or are able to format noisy tokens
if (ContainsSkippedTokensOrText(triviaList))
{
return false;
}
if (!this.SecondTokenIsFirstTokenOnLine)
{
return CodeShapeAnalyzer.ShouldFormatSingleLine(triviaList);
}
Debug.Assert(this.SecondTokenIsFirstTokenOnLine);
if (this.OptionSet.GetOption(FormattingOptions.UseTabs, LanguageNames.CSharp))
{
return true;
}
var firstTriviaInTree = this.Token1.Kind() == SyntaxKind.None;
return CodeShapeAnalyzer.ShouldFormatMultiLine(context, firstTriviaInTree, triviaList);
}
