private Response GetOutliningRegions(AP.OutlingRegionsRequest request) {
AP.OutliningTag[] tags = Array.Empty<AP.OutliningTag>();
var bufferVersion = GetBufferVersion(request.fileId, request.bufferId);
if (bufferVersion != null && bufferVersion.Ast != null) {
var walker = new OutliningWalker(bufferVersion.Ast);
bufferVersion.Ast.Walk(walker);
tags = walker.GetTags();
}
return new AP.OutliningRegionsResponse() {
tags = tags.ToArray(),
version = bufferVersion?.Version ?? -1
};
}
private void SnapshotOutlineTest(string fileContents, params ExpectedTag[] expected) {
var snapshot = new TestUtilities.Mocks.MockTextSnapshot(new TestUtilities.Mocks.MockTextBuffer(fileContents), fileContents);
var ast = Parser.CreateParser(new TextSnapshotToTextReader(snapshot), PythonLanguageVersion.V34).ParseFile();
var walker = new OutliningWalker(ast);
ast.Walk(walker);
var protoTags = walker.GetTags();
var tags = protoTags.Select(x =>
OutliningTaggerProvider.OutliningTagger.GetTagSpan(
snapshot,
x.startIndex,
x.endIndex,
x.headerIndex
)
);
VerifyTags(snapshot, tags, expected);
}