public BottomUpBaseIndentationFinder(
ChainedFormattingRules formattingRules,
int tabSize,
int indentationSize,
TokenStream?tokenStream,
IHeaderFacts headerFacts)
{
Contract.ThrowIfNull(formattingRules);
_formattingRules = formattingRules;
_tabSize = tabSize;
_indentationSize = indentationSize;
_tokenStream = tokenStream;
_headerFacts = headerFacts;
}
internal static int GetAdjustedIndentationDelta(
this IndentBlockOperation operation, IHeaderFacts headerFacts, SyntaxNode root, SyntaxToken indentationAnchor)
{
if (operation.Option.IsOn(IndentBlockOption.AbsolutePosition))
{
// Absolute positioning is absolute
return(operation.IndentationDeltaOrPosition);
}
if (!operation.Option.IsOn(IndentBlockOption.IndentIfConditionOfAnchorToken))
{
// No adjustment operations are being applied
return(operation.IndentationDeltaOrPosition);
}
// Consider syntax forms similar to the following:
//
// if (conditionLine1
// conditionLine2)
//
// Adjustments may be requested for conditionLine2 in cases where the anchor for relative indentation is the
// first token of the containing statement (in this case, the 'if' token).
if (headerFacts.IsOnIfStatementHeader(root, operation.BaseToken.SpanStart, out var conditionStatement) ||
headerFacts.IsOnWhileStatementHeader(root, operation.BaseToken.SpanStart, out conditionStatement))
{
if (conditionStatement.GetFirstToken() == indentationAnchor)
{
// The node is located within the condition of a conditional block statement (or
// syntactically-similar), uses a relative anchor to the block statement, and has requested an
// additional indentation adjustment for this case.
return(operation.IndentationDeltaOrPosition + 1);
}
}
// No adjustments were necessary/applicable
return(operation.IndentationDeltaOrPosition);
}
/// <summary> /// Checks if the position is on the header of a type (from the start of the type up through it's name). /// </summary> public static bool IsOnTypeHeader(this IHeaderFacts headerFacts, SyntaxNode root, int position, [NotNullWhen(true)] out SyntaxNode?typeDeclaration) => headerFacts.IsOnTypeHeader(root, position, fullHeader: false, out typeDeclaration);
