public void ApplyChange(int pairIndex, TriviaData data)
{
Contract.ThrowIfNull(data);
Contract.ThrowIfFalse(0 <= pairIndex && pairIndex < this.TokenCount - 1);
// do reference equality check
var sameAsOriginal = GetOriginalTriviaData(pairIndex) == data;
if (sameAsOriginal)
{
_changes.TryRemove(pairIndex);
}
else
{
_changes.AddOrReplace(pairIndex, data);
}
}
public bool TryGet(int key, out TriviaData triviaInfo)
{
triviaInfo = null;
return(_map?.TryGetValue(key, out triviaInfo) ?? false);
}
private void AddTextChanges(List <TextChange> list, SyntaxToken token1, SyntaxToken token2, TriviaData data)
{
var span = TextSpan.FromBounds(token1.RawKind == 0 ? this.TreeInfo.StartPosition : token1.Span.End, token2.RawKind == 0 ? this.TreeInfo.EndPosition : token2.SpanStart);
var originalString = this.TreeInfo.GetTextBetween(token1, token2);
foreach (var change in data.GetTextChanges(span))
{
var oldText = (change.Span == span) ? originalString : originalString.Substring(change.Span.Start - span.Start, change.Span.Length);
list.Add(change.SimpleDiff(oldText));
}
}
public void ApplyEndOfTreeChange(TriviaData data)
{
Contract.ThrowIfNull(data);
_changes.AddOrReplace(Changes.EndOfTreeKey, data);
}