public void CanGetSurroundingBraces()
{
var textBuffer = GetCSharpTextBuffer("Rainbow1.txt");
var snapshot = textBuffer.CurrentSnapshot;
var cache = new BraceCache(snapshot, GetLang(textBuffer));
var span = snapshot.GetSpan();
// force parsing all text
cache.BracesInSpans(new NormalizedSnapshotSpanCollection(span)).Count();
// we're looking at the {} for this function
//public static bool Has<T>(this IPropertyOwner owner) {
// return owner.Properties.ContainsProperty(typeof(T));
//}
var line10 = snapshot.GetLineFromLineNumber(9);
var matchingBraces = cache.GetBracePairFromPosition(line10.Start + 10, RainbowHighlightMode.TrackInsertionPoint);
Assert.NotNull(matchingBraces);
Assert.Equal('{', matchingBraces.Item1.Brace);
Assert.Equal('}', matchingBraces.Item2.Brace);
}
public void CanGetSurroundingBraces_TrackNextScope()
{
var textBuffer = GetCSharpTextBuffer("Rainbow1.txt");
var snapshot = textBuffer.CurrentSnapshot;
var cache = new BraceCache(snapshot, GetLang(textBuffer));
var span = snapshot.GetSpan();
// force parsing all text
cache.BracesInSpans(new NormalizedSnapshotSpanCollection(span)).Count();
// we're looking at the {} for this function, positioned just at the {
//public static bool Has<T>(this IPropertyOwner owner) {
// return owner.Properties.ContainsProperty(typeof(T));
//}
var line9 = snapshot.GetLineFromLineNumber(8);
Console.WriteLine(line9.GetText());
var openingBrace = line9.End - 1;
Assert.Equal('{', openingBrace.GetChar());
var matchingBraces = cache.GetBracePairFromPosition(openingBrace, RainbowHighlightMode.TrackNextScope);
Assert.NotNull(matchingBraces);
Assert.Equal(openingBrace.Position, matchingBraces.Item1.Position);
}
public void CanGetSurroundingBraces_TrackInsertionPoint()
{
var textBuffer = GetCSharpTextBuffer("Rainbow1.txt");
var snapshot = textBuffer.CurrentSnapshot;
var cache = new BraceCache(snapshot, GetLang(textBuffer));
var span = snapshot.GetSpan();
// force parsing all text
cache.BracesInSpans(new NormalizedSnapshotSpanCollection(span)).Count();
// we're looking at the {} for this function, positioned just at the {
//public static bool Has<T>(this IPropertyOwner owner) {
// return owner.Properties.ContainsProperty(typeof(T));
//}
var line9 = snapshot.GetLineFromLineNumber(8);
var openingBrace = line9.Start + line9.GetText().IndexOf('{');
Assert.Equal('{', openingBrace.GetChar());
var matchingBraces = cache.GetBracePairFromPosition(openingBrace, RainbowHighlightMode.TrackInsertionPoint);
Assert.NotNull(matchingBraces);
// we should have gotten braces starting *before* the search position!
Assert.True(openingBrace.Position > matchingBraces.Item1.Position);
}
public IEnumerable <ITagSpan <RainbowTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (!VsfSettings.RainbowTagsEnabled)
{
yield break;
}
if (spans.Count == 0)
{
yield break;
}
BraceCache braceCache = provider.BraceCache;
ITextSnapshot snapshot = spans[0].Snapshot;
if (braceCache == null || braceCache.Snapshot != spans[0].Snapshot)
{
yield break;
}
foreach (var brace in braceCache.BracesInSpans(spans))
{
var ctype = rainbowTags[brace.Depth % Constants.MAX_RAINBOW_DEPTH];
yield return(brace.ToSpan(snapshot, ctype));
}
}
public void CanInvalidate()
{
var textBuffer = GetCSharpTextBuffer("Rainbow1.txt");
var snapshot = textBuffer.CurrentSnapshot;
var cache = new BraceCache(snapshot, GetLang(textBuffer));
var span = snapshot.GetSpan();
// force the cache to parse entire file
cache.BracesInSpans(new NormalizedSnapshotSpanCollection(span)).Count();
// invalidate starting in Get_<T>
var endpoint = new SnapshotPoint(snapshot, 357);
cache.Invalidate(endpoint);
// 331 is the position of the closing } of method before this
Assert.Equal(331, cache.LastParsedPosition);
}
public void CanParseEntireFile()
{
var textBuffer = GetCSharpTextBuffer("Rainbow1.txt");
var snapshot = textBuffer.CurrentSnapshot;
var cache = new BraceCache(snapshot, GetLang(textBuffer));
var span = snapshot.GetSpan();
Assert.Equal(32, cache.BracesInSpans(new NormalizedSnapshotSpanCollection(span)).Count());
}
