private bool Myself(IndentBlockOperation operation)
{
return(operation.TextSpan == _span &&
operation.StartToken == _token1 &&
operation.EndToken == _token2 &&
operation.IndentationDeltaOrPosition == _baseIndentation &&
operation.Option == IndentBlockOption.AbsolutePosition);
}
private IndentBlockOperation CloneAndAdjustFormattingOperation(IndentBlockOperation operation)
{
switch (operation.Option)
{
case IndentBlockOption.RelativeToFirstTokenOnBaseTokenLine:
return(FormattingOperations.CreateRelativeIndentBlockOperation(operation.BaseToken, operation.StartToken, operation.EndToken, AdjustTextSpan(operation.TextSpan), operation.IndentationDeltaOrPosition, operation.Option));
case IndentBlockOption.RelativePosition:
case IndentBlockOption.AbsolutePosition:
return(FormattingOperations.CreateIndentBlockOperation(operation.StartToken, operation.EndToken, AdjustTextSpan(operation.TextSpan), operation.IndentationDeltaOrPosition, operation.Option));
default:
throw ExceptionUtilities.Unreachable;
}
}
public void AddIndentBlockOperation(IndentBlockOperation operation)
{
var intervalTreeSpan = operation.TextSpan;
// don't add stuff if it is empty
if (intervalTreeSpan.IsEmpty ||
_indentationMap.Contains(intervalTreeSpan))
{
return;
}
// relative indentation case where indentation depends on other token
if (operation.IsRelativeIndentation)
{
var inseparableRegionStartingPosition = operation.Option.IsOn(IndentBlockOption.RelativeToFirstTokenOnBaseTokenLine) ? _tokenStream.FirstTokenOfBaseTokenLine(operation.BaseToken).FullSpan.Start : operation.BaseToken.FullSpan.Start;
var relativeIndentationGetter = new Lazy<int>(() =>
{
var indentationDelta = operation.IndentationDeltaOrPosition * this.OptionSet.GetOption(FormattingOptions.IndentationSize, _language);
// baseIndentation is calculated for the adjusted token if option is RelativeToFirstTokenOnBaseTokenLine
var baseIndentation = _tokenStream.GetCurrentColumn(operation.Option.IsOn(IndentBlockOption.RelativeToFirstTokenOnBaseTokenLine) ?
_tokenStream.FirstTokenOfBaseTokenLine(operation.BaseToken) :
operation.BaseToken);
return baseIndentation + indentationDelta;
}, isThreadSafe: true);
// set new indentation
var relativeIndentationData = new RelativeIndentationData(inseparableRegionStartingPosition, intervalTreeSpan, operation, relativeIndentationGetter);
_indentationTree.AddIntervalInPlace(relativeIndentationData);
_relativeIndentationTree.AddIntervalInPlace(relativeIndentationData);
_indentationMap.Add(intervalTreeSpan);
return;
}
// absolute position case
if (operation.Option.IsOn(IndentBlockOption.AbsolutePosition))
{
_indentationTree.AddIntervalInPlace(new SimpleIndentationData(intervalTreeSpan, operation.IndentationDeltaOrPosition));
_indentationMap.Add(intervalTreeSpan);
return;
}
// regular indentation case where indentation is based on its previous indentation
var indentationData = _indentationTree.GetSmallestContainingInterval(operation.TextSpan.Start, 0);
if (indentationData == null)
{
// no previous indentation
var indentation = operation.IndentationDeltaOrPosition * this.OptionSet.GetOption(FormattingOptions.IndentationSize, _language);
_indentationTree.AddIntervalInPlace(new SimpleIndentationData(intervalTreeSpan, indentation));
_indentationMap.Add(intervalTreeSpan);
return;
}
// get indentation based on its previous indentation
var indentationGetter = new Lazy<int>(() =>
{
var indentationDelta = operation.IndentationDeltaOrPosition * this.OptionSet.GetOption(FormattingOptions.IndentationSize, _language);
return indentationData.Indentation + indentationDelta;
}, isThreadSafe: true);
// set new indentation
_indentationTree.AddIntervalInPlace(new LazyIndentationData(intervalTreeSpan, indentationGetter));
_indentationMap.Add(intervalTreeSpan);
}
public int GetIndentationOfCurrentPosition(
SyntaxNode root,
IndentBlockOperation startingOperation,
Func<SyntaxToken, int> tokenColumnGetter,
CancellationToken cancellationToken)
{
var token = startingOperation.StartToken;
// gather all indent operations
var list = GetParentIndentBlockOperations(token);
// remove one that is smaller than current one
for (int i = list.Count - 1; i >= 0; i--)
{
if (CommonFormattingHelpers.IndentBlockOperationComparer(startingOperation, list[i]) < 0)
{
list.RemoveAt(i);
}
else
{
break;
}
}
return GetIndentationOfCurrentPosition(root, token, list, token.SpanStart, /* extraSpaces */ 0, tokenColumnGetter, cancellationToken);
}
private IndentBlockOperation CloneAndAdjustFormattingOperation(IndentBlockOperation operation)
{
switch (operation.Option)
{
case IndentBlockOption.RelativeToFirstTokenOnBaseTokenLine:
return FormattingOperations.CreateRelativeIndentBlockOperation(operation.BaseToken, operation.StartToken, operation.EndToken, AdjustTextSpan(operation.TextSpan), operation.IndentationDeltaOrPosition, operation.Option);
case IndentBlockOption.RelativePosition:
case IndentBlockOption.AbsolutePosition:
return FormattingOperations.CreateIndentBlockOperation(operation.StartToken, operation.EndToken, AdjustTextSpan(operation.TextSpan), operation.IndentationDeltaOrPosition, operation.Option);
default:
throw ExceptionUtilities.Unreachable;
}
}
private bool Myself(IndentBlockOperation operation)
{
return operation.TextSpan == _span &&
operation.StartToken == _token1 &&
operation.EndToken == _token2 &&
operation.IndentationDeltaOrPosition == _baseIndentation &&
operation.Option == IndentBlockOption.AbsolutePosition;
}
