private static TagSpan GetOutlineSpan(ITextSnapshot snapshot, IOutlinableResult outlineResult)
{
TagSpan tagSpan = null;
try
{
int length = outlineResult.EndIndex - outlineResult.StartIndex;
if (length > 0)
{
var headerLength = outlineResult.DecoratorEnd - outlineResult.DecoratorStart;
ITextSnapshotLine startLine;
if ((startLine = snapshot.GetLineFromPosition(outlineResult.DecoratorStart)).LineNumber !=
snapshot.GetLineNumberFromPosition(outlineResult.DecoratorEnd))
{
// the decorator range spans multiple lines, so we want to truncate that
headerLength = startLine.End.Position - outlineResult.DecoratorStart;
}
Span headerSpan = new Span(outlineResult.DecoratorStart, headerLength);
var span = GetFinalSpan(snapshot, outlineResult.StartIndex, length);
tagSpan = new TagSpan(
new SnapshotSpan(snapshot, span),
new OutliningTag(snapshot, headerSpan, span, true)
);
}
}
catch (ArgumentException)
{
// sometimes Python's parser gives us bad spans, ignore those and fix the parser
Debug.Assert(false, "bad argument when making span/tag");
}
return(tagSpan);
}
private static bool ShouldInclude(IOutlinableResult result, NormalizedSnapshotSpanCollection spans)
{
for (int i = 0; i < spans.Count; i++)
{
if (spans[i].IntersectsWith(Span.FromBounds(result.StartIndex, result.EndIndex)))
{
return(true);
}
}
return(false);
}
// Methods
public Genero4glCodeBlock(Genero4glBlockTagger tagger, ITextView textView, Genero4glCodeBlock parent, BlockType type, IOutlinableResult outlinable, int level)
{
_tagger = tagger;
_textView = textView;
this.parent = parent;
if (parent != null)
{
parent.children.Add(this);
}
this.type = type;
this.level = level;
_outlinable = outlinable;
}
private static BlockType GetBlockType(IOutlinableResult outlinable)
{
BlockType blockType = BlockType.Unknown;
var type = outlinable.GetType();
if (!_statementToBlockMap.TryGetValue(type, out blockType))
{
if (outlinable is IFunctionResult)
{
blockType = BlockType.Method;
}
}
return(blockType);
}
private SnapshotSpan?ShouldInclude(IOutlinableResult result, NormalizedSnapshotSpanCollection spans)
{
if (spans.Count == 1 && spans[0].Length == spans[0].Snapshot.Length)
{
// we're processing the entire snapshot
return(spans[0]);
}
for (int i = 0; i < spans.Count; i++)
{
if (spans[i].IntersectsWith(Span.FromBounds(result.StartIndex, result.EndIndex)))
{
return(spans[i]);
}
}
return(null);
}
