private static async Task <Document> RefactorAsync(
Document document,
ElseClauseSyntax elseClause,
CancellationToken cancellationToken = default(CancellationToken))
{
var ifStatement = (IfStatementSyntax)elseClause.Statement;
ElseClauseSyntax newElseClause = elseClause
.WithElseKeyword(
elseClause.ElseKeyword
.WithTrailingTrivia(ifStatement.CloseParenToken.TrailingTrivia))
.WithStatement(ifStatement.Statement);
return(await document.ReplaceNodeAsync(elseClause, newElseClause, cancellationToken).ConfigureAwait(false));
}
private static async Task<Document> RemoveConditionFromLastElseAsync(
Document document,
ElseClauseSyntax elseClause,
CancellationToken cancellationToken = default(CancellationToken))
{
SyntaxNode oldRoot = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var ifStatement = (IfStatementSyntax)elseClause.Statement;
ElseClauseSyntax newElseClause = elseClause
.WithElseKeyword(
elseClause.ElseKeyword
.WithTrailingTrivia(ifStatement.CloseParenToken.TrailingTrivia))
.WithStatement(ifStatement.Statement);
SyntaxNode newRoot = oldRoot.ReplaceNode(elseClause, newElseClause);
return document.WithSyntaxRoot(newRoot);
}
ElseClauseSyntax GetNewIfWithElse(ElseClauseSyntax elseNode, StatementSyntax singleStatementInsideElse)
{
var newElse =
elseNode
.WithElseKeyword(
elseNode.ElseKeyword
.WithTrailingTrivia()
)
.WithStatement(
singleStatementInsideElse
.WithLeadingTrivia(SyntaxFactory.Space)
//.WithTrailingTrivia(trailingTriviaList)
);
if (singleStatementInsideElse is ReturnStatementSyntax returnStatement)
{
if (returnStatement.Expression == null || returnStatement.Expression is LiteralExpressionSyntax || returnStatement.Expression.Span.Length <= MAX_RETURN_STATEMENT_LENGTH)
{
return(newElse);
}
}
if (singleStatementInsideElse is IfStatementSyntax == false)
{
if (
singleStatementInsideElse.WithoutTrivia().DescendantTrivia().Any(t => t.IsKind(SyntaxKind.EndOfLineTrivia))
||
singleStatementInsideElse.Span.Length + 5 > MAX_IF_LINE_LENGTH
)
{
return(elseNode.WithStatement(singleStatementInsideElse));
}
}
return(newElse);
}