private static void WriteCompositeToken(ICompositeToken composite, StringBuilder sb)
{
foreach (var token in composite.TokenList)
{
ITextRange range = token as ITextRange;
Type tokenType = token.GetType();
Type genericToken = tokenType.BaseType;
int intEnumCode = (int)genericToken.GetProperty("TokenType").GetValue(token);
string tokenTypeString = tokenType.ToString();
tokenTypeString = tokenTypeString.Substring(tokenTypeString.LastIndexOf('.') + 1);
sb.AppendFormat(CultureInfo.InvariantCulture, "Composite: {0} {1} : {2} - {3}\t({4})\r\n", tokenTypeString, intEnumCode, range.Start, range.End, range.Length);
}
}
private void AddClassificationFromCompositeToken(List <ClassificationSpan> classifications, ITextSnapshot textSnapshot, ICompositeToken composite)
{
string contentTypeName = composite.ContentType;
IClassificationNameProvider compositeNameProvider;
if (!_compositeClassificationNameProviders.TryGetValue(contentTypeName, out compositeNameProvider))
{
IContentType contentType = ContentTypeRegistryService.GetContentType(contentTypeName);
var providers = ComponentLocatorForContentType <IClassificationNameProvider, IComponentContentTypes> .
FilterByContentTypeExact(contentType, ClassificationNameProviders);
var lazyProvider = providers.FirstOrDefault();
Debug.Assert(lazyProvider != null);
if (lazyProvider != null)
{
compositeNameProvider = lazyProvider.Value;
_compositeClassificationNameProviders[contentTypeName] = compositeNameProvider;
}
}
foreach (object token in composite.TokenList)
{
// We don't necessarily map each token to a classification
ITextRange range;
string classificationName = compositeNameProvider.GetClassificationName(token, out range);
if (!string.IsNullOrEmpty(classificationName))
{
IClassificationType ct = ClassificationRegistryService.GetClassificationType(classificationName);
if (ct != null)
{
Span tokenSpan = new Span(range.Start, range.Length);
ClassificationSpan cs = new ClassificationSpan(new SnapshotSpan(textSnapshot, tokenSpan), ct);
classifications.Add(cs);
}
}
}
}
