/// <summary> /// Gets all tags. This method is synchronous. /// </summary> /// <param name="context">Context</param> /// <param name="cancellationToken">Cancellation token</param> /// <returns></returns> public virtual IEnumerable <IHexTextTagSpan <T> > GetTags(HexTaggerContext context, CancellationToken cancellationToken) => GetTags(context);
/// <summary> /// Gets all tags /// </summary> /// <param name="context">Context</param> /// <returns></returns> public abstract IEnumerable <IHexTextTagSpan <T> > GetTags(HexTaggerContext context);
IEnumerable<HexGlyphTag> GetGlyphTags(WpfHexViewLine line) {
foreach (var tagSpan in tagAggregator.GetTags(line.BufferSpan)) {
if (line.IntersectsBufferSpan(tagSpan.Span))
yield return tagSpan.Tag;
}
var taggerContext = new HexTaggerContext(line.BufferLine, line.BufferLine.TextSpan);
foreach (var tagSpan in tagAggregator.GetLineTags(taggerContext))
yield return tagSpan.Tag;
}
/// <summary> /// Gets all tags intersecting with the line. This method is synchronous. /// </summary> /// <param name="context">Context</param> /// <param name="cancellationToken">Cancellation token</param> /// <returns></returns> public abstract IEnumerable <IHexTextTagSpan <T> > GetLineTags(HexTaggerContext context, CancellationToken cancellationToken);
void AddMarkerElements(NormalizedHexBufferSpanCollection spans) {
foreach (var tag in tagAggregator.GetTags(spans)) {
if (tag.Tag?.Type == null)
continue;
if (!tag.Span.IntersectsWith(wpfHexView.HexViewLines.FormattedSpan))
continue;
var markerElement = TryCreateMarkerElement(tag.Span, tag.Flags, tag.Tag);
if (markerElement == null)
continue;
var layer = markerElement.ZIndex < 0 ? negativeTextMarkerAdornmentLayer : textMarkerAdornmentLayer;
bool added = layer.AddAdornment(VSTE.AdornmentPositioningBehavior.TextRelative, markerElement.Span, null, markerElement, onRemovedDelegate);
if (added)
markerElements.Add(markerElement);
}
var formattedEnd = wpfHexView.HexViewLines.FormattedSpan.End;
foreach (var span in spans) {
var overlap = wpfHexView.HexViewLines.FormattedSpan.Overlap(span);
if (overlap == null)
continue;
var pos = overlap.Value.Start;
for (;;) {
var line = wpfHexView.WpfHexViewLines.GetWpfHexViewLineContainingBufferPosition(pos);
Debug.Assert(line != null);
if (line != null) {
var taggerContext = new HexTaggerContext(line.BufferLine, line.BufferLine.TextSpan);
foreach (var tag in tagAggregator.GetLineTags(taggerContext)) {
if (tag.Tag?.Type == null)
continue;
var markerElement = TryCreateMarkerElement(line, tag.Span, tag.Tag);
if (markerElement == null)
continue;
var layer = markerElement.ZIndex < 0 ? negativeTextMarkerAdornmentLayer : textMarkerAdornmentLayer;
bool added = layer.AddAdornment(VSTE.AdornmentPositioningBehavior.TextRelative, markerElement.Span, null, markerElement, onRemovedDelegate);
if (added)
markerElements.Add(markerElement);
}
}
pos = line.BufferEnd;
if (pos > overlap.Value.End || pos >= formattedEnd)
break;
}
}
}
