public BraceCompletionAggregator(BraceCompletionAggregatorFactory factory)
{
_factory = factory;
Init();
}
// Create the session
public bool TryCreate(BraceCompletionAggregatorFactory factory, ITextView textView, SnapshotPoint openingPoint, char openingBrace, out IBraceCompletionSession session)
{
char closingBrace = GetClosingBrace(Metadata, openingBrace);
if (IsSession)
{
bool created = false;
IBraceCompletionSession currentSession = null;
factory.GuardedOperations.CallExtensionPoint(() =>
{
created = _sessionPair.Value.TryCreateSession(textView, openingPoint, openingBrace, closingBrace, out currentSession);
});
if (created)
{
session = currentSession;
return(true);
}
session = null;
return(false);
}
else if (IsContext)
{
// Get a language specific context and add it to a default session.
IBraceCompletionContext context = null;
// check AllowDefaultSession to avoid starting a new "" session next to a "
if (AllowDefaultSession(openingPoint, openingBrace, closingBrace))
{
bool created = false;
factory.GuardedOperations.CallExtensionPoint(() =>
{
created = _contextPair.Value.TryCreateContext(textView, openingPoint, openingBrace, closingBrace, out context);
});
if (created)
{
session = new BraceCompletionDefaultSession(textView, openingPoint.Snapshot.TextBuffer, openingPoint, openingBrace,
closingBrace, factory.UndoManager, factory.EditorOperationsFactoryService, context);
return(true);
}
}
session = null;
return(false);
}
else if (IsDefault)
{
// perform some basic checks on the buffer before going in
if (AllowDefaultSession(openingPoint, openingBrace, closingBrace))
{
session = new BraceCompletionDefaultSession(textView, openingPoint.Snapshot.TextBuffer, openingPoint, openingBrace,
closingBrace, factory.UndoManager, factory.EditorOperationsFactoryService);
return(true);
}
}
session = null;
return(false);
}