private bool ApplyDynamicSpacesOperation(AdjustSpacesOperation operation, int pairIndex)
{
var triviaInfo = _tokenStream.GetTriviaData(pairIndex);
if (triviaInfo.SecondTokenIsFirstTokenOnLine)
{
return false;
}
Contract.ThrowIfFalse(triviaInfo.LineBreaks == 0);
var indentation = _context.GetBaseIndentation(_tokenStream.GetToken(pairIndex + 1));
var previousToken = _tokenStream.GetToken(pairIndex);
bool multipleLines;
int tokenLength;
_tokenStream.GetTokenLength(previousToken, out tokenLength, out multipleLines);
// get end column of previous token
var endColumnOfPreviousToken = multipleLines ? tokenLength : _tokenStream.GetCurrentColumn(previousToken) + tokenLength;
// check whether current position is less than indentation
if (endColumnOfPreviousToken < indentation)
{
_tokenStream.ApplyChange(pairIndex, triviaInfo.WithSpace(indentation - endColumnOfPreviousToken, _context, _formattingRules));
return true;
}
// delegate to normal singleline space applier
return ApplySpaceIfSingleLine(operation, pairIndex);
}
public bool ApplyForceSpacesOperation(AdjustSpacesOperation operation, int pairIndex)
{
var triviaInfo = this.tokenStream.GetTriviaData(pairIndex);
if (triviaInfo.LineBreaks == 0 && triviaInfo.Spaces == operation.Space)
{
return false;
}
this.tokenStream.ApplyChange(pairIndex, triviaInfo.WithSpace(operation.Space, context, formattingRules));
return true;
}
public bool Apply(AdjustSpacesOperation operation, int pairIndex)
{
if (operation.Option == AdjustSpacesOption.PreserveSpaces)
{
return ApplyPreserveSpacesOperation(operation, pairIndex);
}
if (operation.Option == AdjustSpacesOption.ForceSpaces)
{
return ApplyForceSpacesOperation(operation, pairIndex);
}
return ApplySpaceIfSingleLine(operation, pairIndex);
}
public TokenPairWithOperations(
TokenStream tokenStream,
int tokenPairIndex,
AdjustSpacesOperation spaceOperations,
AdjustNewLinesOperation lineOperations) :
this()
{
Contract.ThrowIfNull(tokenStream);
Contract.ThrowIfFalse(0 <= tokenPairIndex && tokenPairIndex < tokenStream.TokenCount - 1);
this.tokenStream = tokenStream;
this.PairIndex = tokenPairIndex;
SpaceOperation = spaceOperations;
LineOperation = lineOperations;
}
private bool ApplySpaceIfSingleLine(AdjustSpacesOperation operation, int pairIndex)
{
var triviaInfo = this.tokenStream.GetTriviaData(pairIndex);
var space = operation.Space;
if (triviaInfo.SecondTokenIsFirstTokenOnLine)
{
return false;
}
Contract.ThrowIfFalse(triviaInfo.LineBreaks == 0);
if (triviaInfo.Spaces == space)
{
return false;
}
this.tokenStream.ApplyChange(pairIndex, triviaInfo.WithSpace(space, context, formattingRules));
return true;
}
private bool ApplyPreserveSpacesOperation(AdjustSpacesOperation operation, int pairIndex)
{
var triviaInfo = _tokenStream.GetTriviaData(pairIndex);
var space = operation.Space;
if (triviaInfo.SecondTokenIsFirstTokenOnLine)
{
return false;
}
Contract.ThrowIfFalse(triviaInfo.LineBreaks == 0);
if (space <= triviaInfo.Spaces)
{
return false;
}
_tokenStream.ApplyChange(pairIndex, triviaInfo.WithSpace(space, _context, _formattingRules));
return true;
}