public override SyntaxNode VisitInitializerExpression(InitializerExpressionSyntax node)
{
var containingProperty = node.FirstAncestorOrSelf <PropertyDeclarationSyntax>();
if (containingProperty != null && containingProperty.Identifier.ToString() == "SelectorExpression" &&
containingProperty.FirstAncestorOrSelf <ClassDeclarationSyntax>().Identifier.ToString().Contains("Mapper"))
{
if (node.Expressions.Count == 0)
{
node = node.WithOpenBraceToken(GetOpenBraceTokenWithEmptyCustomCode());
}
else if (node.Expressions.Count == 1)
{
var newExpression = AddLeadingTriviaComment(AddTrailingTriviaComment(node.Expressions.Single()));
node = node.WithExpressions(node.Expressions.RemoveAt(0).Add(newExpression));
}
else
{
var firstExpression = AddLeadingTriviaComment(node.Expressions.First());
var lastExpression = AddTrailingTriviaComment(node.Expressions.Last());
var lastExpressionIndex = node.Expressions.Count - 1;
node = node.WithExpressions(node.Expressions.RemoveAt(lastExpressionIndex).RemoveAt(0).Insert(0, firstExpression).Add(lastExpression));
}
}
return(base.VisitInitializerExpression(node));
}
public override SyntaxNode VisitInitializerExpression(InitializerExpressionSyntax node)
{
if (NormalizeWhitespaceOnly &&
node.IsKind(SyntaxKind.ArrayInitializerExpression) &&
_checkingMethod != RegisterInstanceName)
{
var openBrace = node.OpenBraceToken.WithLeadingTrivia(SyntaxHelper.Whitespace(12));
node = node.WithOpenBraceToken(openBrace);
var closeBrace = node.CloseBraceToken.WithLeadingTrivia(SyntaxHelper.EndOfLineTrivia, SyntaxHelper.Whitespace(12));
node = node.WithCloseBraceToken(closeBrace);
}
return(base.VisitInitializerExpression(node !));
}
private SyntaxNode VisitElementInitializer(InitializerExpressionSyntax node)
{
if (node.Expressions.Count != 2 && node.Expressions.All(SyntaxUtils.SpansSingleLine) && node.Expressions.Sum(n => n.Span.Length) < 80)
{
return(node);
}
var exprs = node.Expressions;
exprs = SyntaxFactory.SeparatedList <ExpressionSyntax>(SyntaxFactory.NodeOrTokenList(
exprs[0].WithoutTrivia(),
exprs.GetSeparator(0).WithLeadingTrivia().WithTrailingTrivia(SyntaxFactory.Whitespace(" ")),
exprs[1].WithLeadingTrivia().WithTrailingTrivia(SyntaxFactory.Whitespace(" "))
));
return(node
.WithOpenBraceToken(node.OpenBraceToken.WithTrailingTrivia(SyntaxFactory.Whitespace(" ")))
.WithExpressions(exprs)
.WithCloseBraceToken(node.CloseBraceToken.WithoutTrivia()));
}
public static Task <Document> ToSingleLineAsync(
Document document,
InitializerExpressionSyntax initializer,
bool removeTrailingComma = false,
CancellationToken cancellationToken = default(CancellationToken))
{
InitializerExpressionSyntax newInitializer = initializer
.ReplaceWhitespace(ElasticSpace, TextSpan.FromBounds(initializer.Span.Start, initializer.Span.End))
.WithFormatterAnnotation();
newInitializer = newInitializer.WithOpenBraceToken(newInitializer.OpenBraceToken.WithoutLeadingTrivia().WithTrailingTrivia(Space));
newInitializer = newInitializer.WithCloseBraceToken(newInitializer.CloseBraceToken.WithoutLeadingTrivia());
SeparatedSyntaxList <ExpressionSyntax> expressions = newInitializer.Expressions;
if (expressions.Any())
{
ExpressionSyntax firstExpression = expressions.First();
newInitializer = newInitializer.WithExpressions(expressions.Replace(firstExpression, firstExpression.WithoutLeadingTrivia()));
expressions = newInitializer.Expressions;
SyntaxToken trailingComma = expressions.GetTrailingSeparator();
if (trailingComma.IsKind(SyntaxKind.CommaToken))
{
if (removeTrailingComma)
{
expressions = expressions.ReplaceSeparator(trailingComma, MissingToken(SyntaxKind.CommaToken));
ExpressionSyntax lastExpression = expressions.Last();
expressions = expressions.Replace(lastExpression, lastExpression.WithTrailingTrivia(Space));
newInitializer = newInitializer.WithExpressions(expressions);
}
else
{
newInitializer = newInitializer.WithExpressions(expressions.ReplaceSeparator(trailingComma, trailingComma.WithTrailingTrivia(Space)));
}
}
else
{
ExpressionSyntax lastExpression = expressions.Last();
newInitializer = newInitializer.WithExpressions(expressions.Replace(lastExpression, lastExpression.WithTrailingTrivia(Space)));
}
}
SyntaxNode parent = initializer.Parent;
SyntaxNode newParent;
switch (parent.Kind())
{
case SyntaxKind.ObjectCreationExpression:
{
var expression = (ObjectCreationExpressionSyntax)parent;
expression = expression.WithInitializer(newInitializer);
ArgumentListSyntax argumentList = expression.ArgumentList;
if (argumentList != null)
{
newParent = expression.WithArgumentList(argumentList.WithTrailingTrivia(Space));
}
else
{
newParent = expression.WithType(expression.Type.WithTrailingTrivia(Space));
}
break;
}
case SyntaxKind.ArrayCreationExpression:
{
var expression = (ArrayCreationExpressionSyntax)parent;
newParent = expression
.WithInitializer(newInitializer)
.WithType(expression.Type.WithTrailingTrivia(Space));
break;
}
case SyntaxKind.ImplicitArrayCreationExpression:
{
var expression = (ImplicitArrayCreationExpressionSyntax)parent;
newParent = expression
.WithInitializer(newInitializer)
.WithCloseBracketToken(expression.CloseBracketToken.WithTrailingTrivia(Space));
break;
}
case SyntaxKind.EqualsValueClause:
{
var equalsValueClause = (EqualsValueClauseSyntax)parent;
newParent = equalsValueClause
.WithValue(newInitializer)
.WithEqualsToken(equalsValueClause.EqualsToken.WithTrailingTrivia(Space));
break;
}
case SyntaxKind.SimpleAssignmentExpression:
{
var simpleAssignment = (AssignmentExpressionSyntax)parent;
newParent = simpleAssignment
.WithRight(newInitializer)
.WithOperatorToken(simpleAssignment.OperatorToken.WithTrailingTrivia(Space));
break;
}
default:
{
Debug.Fail(parent.Kind().ToString());
return(document.ReplaceNodeAsync(initializer, newInitializer, cancellationToken));
}
}
return(document.ReplaceNodeAsync(parent, newParent, cancellationToken));
}