private SyntaxNode ReformatElement(SyntaxNode syntaxRoot, SyntaxNode element, SyntaxToken openBraceToken, SyntaxToken closeBraceToken, IndentationOptions indentationOptions)
{
var tokenSubstitutions = new Dictionary<SyntaxToken, SyntaxToken>();
var parentLastToken = openBraceToken.GetPreviousToken();
var parentEndLine = parentLastToken.GetLineSpan().EndLinePosition.Line;
var blockStartLine = openBraceToken.GetLineSpan().StartLinePosition.Line;
// reformat parent if it is on the same line as the block.
if (parentEndLine == blockStartLine)
{
var newTrailingTrivia = parentLastToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.CarriageReturnLineFeed);
tokenSubstitutions.Add(parentLastToken, parentLastToken.WithTrailingTrivia(newTrailingTrivia));
}
var parentIndentationLevel = IndentationHelper.GetIndentationSteps(indentationOptions, element);
var indentationString = IndentationHelper.GenerateIndentationString(indentationOptions, parentIndentationLevel);
var contentIndentationString = IndentationHelper.GenerateIndentationString(indentationOptions, parentIndentationLevel + 1);
// reformat opening brace
tokenSubstitutions.Add(openBraceToken, this.FormatBraceToken(openBraceToken, indentationString));
// reformat start of content
var startOfContentToken = openBraceToken.GetNextToken();
if (startOfContentToken != closeBraceToken)
{
var newStartOfContentTokenLeadingTrivia = startOfContentToken.LeadingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.Whitespace(contentIndentationString));
tokenSubstitutions.Add(startOfContentToken, startOfContentToken.WithLeadingTrivia(newStartOfContentTokenLeadingTrivia));
}
// reformat end of content
var endOfContentToken = closeBraceToken.GetPreviousToken();
if (endOfContentToken != openBraceToken)
{
var newEndOfContentTokenTrailingTrivia = endOfContentToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.CarriageReturnLineFeed);
// check if the token already exists (occurs when there is only one token in the block)
if (tokenSubstitutions.ContainsKey(endOfContentToken))
{
tokenSubstitutions[endOfContentToken] = tokenSubstitutions[endOfContentToken].WithTrailingTrivia(newEndOfContentTokenTrailingTrivia);
}
else
{
tokenSubstitutions.Add(endOfContentToken, endOfContentToken.WithTrailingTrivia(newEndOfContentTokenTrailingTrivia));
}
}
// reformat closing brace
tokenSubstitutions.Add(closeBraceToken, this.FormatBraceToken(closeBraceToken, indentationString));
var rewriter = new TokenRewriter(tokenSubstitutions);
var newSyntaxRoot = rewriter.Visit(syntaxRoot);
return newSyntaxRoot;
}
private SyntaxNode ReformatElement(SyntaxNode syntaxRoot, SyntaxNode element, SyntaxToken openBraceToken, SyntaxToken closeBraceToken, IndentationOptions indentationOptions)
{
var tokenSubstitutions = new Dictionary <SyntaxToken, SyntaxToken>();
var parentLastToken = openBraceToken.GetPreviousToken();
var parentEndLine = parentLastToken.GetLineSpan().EndLinePosition.Line;
var blockStartLine = openBraceToken.GetLineSpan().StartLinePosition.Line;
// reformat parent if it is on the same line as the block.
if (parentEndLine == blockStartLine)
{
var newTrailingTrivia = parentLastToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.CarriageReturnLineFeed);
tokenSubstitutions.Add(parentLastToken, parentLastToken.WithTrailingTrivia(newTrailingTrivia));
}
var parentIndentationLevel = IndentationHelper.GetIndentationSteps(indentationOptions, element);
var indentationString = IndentationHelper.GenerateIndentationString(indentationOptions, parentIndentationLevel);
var contentIndentationString = IndentationHelper.GenerateIndentationString(indentationOptions, parentIndentationLevel + 1);
// reformat opening brace
tokenSubstitutions.Add(openBraceToken, this.FormatBraceToken(openBraceToken, indentationString));
// reformat start of content
var startOfContentToken = openBraceToken.GetNextToken();
if (startOfContentToken != closeBraceToken)
{
var newStartOfContentTokenLeadingTrivia = startOfContentToken.LeadingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.Whitespace(contentIndentationString));
tokenSubstitutions.Add(startOfContentToken, startOfContentToken.WithLeadingTrivia(newStartOfContentTokenLeadingTrivia));
}
// reformat end of content
var endOfContentToken = closeBraceToken.GetPreviousToken();
if (endOfContentToken != openBraceToken)
{
var newEndOfContentTokenTrailingTrivia = endOfContentToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.CarriageReturnLineFeed);
// check if the token already exists (occurs when there is only one token in the block)
if (tokenSubstitutions.ContainsKey(endOfContentToken))
{
tokenSubstitutions[endOfContentToken] = tokenSubstitutions[endOfContentToken].WithTrailingTrivia(newEndOfContentTokenTrailingTrivia);
}
else
{
tokenSubstitutions.Add(endOfContentToken, endOfContentToken.WithTrailingTrivia(newEndOfContentTokenTrailingTrivia));
}
}
// reformat closing brace
tokenSubstitutions.Add(closeBraceToken, this.FormatBraceToken(closeBraceToken, indentationString));
var rewriter = new TokenRewriter(tokenSubstitutions);
var newSyntaxRoot = rewriter.Visit(syntaxRoot);
return(newSyntaxRoot);
}
