public static Task <Document> RefactorAsync(
Document document,
ObjectCreationExpressionSyntax objectCreation,
StatementListSelection selectedStatements,
CancellationToken cancellationToken = default)
{
ExpressionStatementSyntax[] expressionStatements = selectedStatements
.Skip(1)
.Cast <ExpressionStatementSyntax>()
.ToArray();
StatementSyntax firstStatement = selectedStatements.First();
SyntaxList <StatementSyntax> newStatements = selectedStatements.UnderlyingList.Replace(
firstStatement,
firstStatement.ReplaceNode(
objectCreation,
objectCreation.WithInitializer(CreateInitializer(objectCreation, expressionStatements))));
int count = expressionStatements.Length;
int index = selectedStatements.FirstIndex + 1;
while (count > 0)
{
newStatements = newStatements.RemoveAt(index);
count--;
}
return(document.ReplaceStatementsAsync(SyntaxInfo.StatementListInfo(selectedStatements), newStatements, cancellationToken));
}
private static Task <Document> RefactorAsync(
Document document,
StatementListSelection selectedStatements,
int ifStatementCount,
CancellationToken cancellationToken)
{
IfStatementSyntax newIfStatement = null;
for (int i = ifStatementCount - 1; i >= 0; i--)
{
var ifStatement = (IfStatementSyntax)selectedStatements[i];
IfStatementSyntax lastIf = ifStatement.GetCascadeInfo().Last.AsIf();
StatementSyntax elseStatement = newIfStatement;
if (elseStatement == null)
{
if (selectedStatements.Count - ifStatementCount > 1)
{
elseStatement = Block(selectedStatements.Skip(ifStatementCount));
}
else
{
elseStatement = selectedStatements.Last();
if (!elseStatement.IsKind(SyntaxKind.IfStatement) &&
lastIf.Statement.IsKind(SyntaxKind.Block))
{
elseStatement = Block(elseStatement);
}
}
}
StatementSyntax newStatement = lastIf.Statement;
if (!newStatement.IsKind(SyntaxKind.Block))
{
if (elseStatement.IsKind(SyntaxKind.Block))
{
newStatement = Block(newStatement);
}
else if (elseStatement.IsKind(SyntaxKind.IfStatement) &&
((IfStatementSyntax)elseStatement).AsCascade().All(f => f.Statement.IsKind(SyntaxKind.Block)))
{
newStatement = Block(newStatement);
}
}
IfStatementSyntax newLastIf = lastIf.Update(
lastIf.IfKeyword,
lastIf.OpenParenToken,
lastIf.Condition,
lastIf.CloseParenToken,
newStatement,
ElseClause(elseStatement));
newIfStatement = ifStatement.ReplaceNode(lastIf, newLastIf);
}
SyntaxList <StatementSyntax> newStatements = selectedStatements.UnderlyingList
.Replace(selectedStatements.First(), newIfStatement.WithFormatterAnnotation())
.RemoveRange(selectedStatements.FirstIndex + 1, selectedStatements.Count - 1);
return(document.ReplaceStatementsAsync(SyntaxInfo.StatementListInfo(selectedStatements), newStatements, cancellationToken));
}