public string Indent(
[NotNull] ITreeNode node,
CustomIndentType indentType,
[NotNull] FmtSettingsClassic <CSharpFormatSettingsKey> settings
)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
if (!node.IsPhysical())
{
return(null);
}
if (!IsInT4File(node))
{
return(null);
}
if (indentType == CustomIndentType.RelativeNodeCalculation)
{
return(node.GetIndentViaDocument());
}
if (IsEndComment(node))
{
return(IndentBlockEnd());
}
if (IsTransformTextMember(node))
{
return(IndentTransformTextMember(node, indentType, settings));
}
if (IsFeatureBlockMember(node))
{
return(IndentFeatureBlockMember(node, settings));
}
return(null);
}
private string IndentTransformTextMember(
[NotNull] ITreeNode node,
CustomIndentType indentType,
FmtSettingsClassic <CSharpFormatSettingsKey> settings
)
{
var rangeTranslator = GetRangeTranslator(node);
if (indentType == CustomIndentType.RelativeLineCalculation)
{
return(CalculateRelativeIndentInTransformText(node, rangeTranslator));
}
var statement = node as ICSharpStatement;
if (node.GetTokenType() == CSharpTokenType.LBRACE)
{
statement = node.Parent as IBlock;
}
var block = BlockNavigator.GetByStatement(statement);
if (node is IComment || node is IStartRegion || node is IEndRegion)
{
block = node.GetContainingNode <ITreeNode>() as IBlock;
}
if (block == null)
{
return(null);
}
var generatedTreeRange = new TreeTextRange(node.GetTreeStartOffset());
var blockGeneratedTreeRange = new TreeTextRange(block.GetTreeStartOffset());
var originalRange = rangeTranslator.GeneratedToOriginal(generatedTreeRange);
var blockOriginalRange = rangeTranslator.GeneratedToOriginal(blockGeneratedTreeRange);
if (!originalRange.IsValid())
{
return(null);
}
var t4Element = rangeTranslator.OriginalFile.FindNodeAt(originalRange);
var codeBlock = t4Element?.GetParentOfType <IT4CodeBlock>();
if (codeBlock == null)
{
return(null);
}
string indentFromPreviousStatement = GetIndentFromPreviousStatement(node, rangeTranslator);
if (indentFromPreviousStatement != null)
{
return(indentFromPreviousStatement);
}
if (blockOriginalRange.IsValid() && codeBlock.GetTreeTextRange().Contains(blockOriginalRange))
{
return(null);
}
var blockStart = codeBlock.GetTreeStartOffset();
int nodeStart = originalRange.StartOffset.Offset;
if (!HasLineBreak(codeBlock, nodeStart, blockStart))
{
return(null);
}
if (HasStatementsBefore(rangeTranslator, node))
{
return(null);
}
return(settings.Settings.GetIndentStr());
}