public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> quickInfoContent, out ITrackingSpan applicableToSpan)
{
ITextSnapshot snapshot = _buffer.CurrentSnapshot;
ITrackingPoint triggerPoint = session.GetTriggerPoint(_buffer);
SnapshotPoint point = triggerPoint.GetPoint(snapshot);
SyntaxTree syntax = snapshot.GetSyntaxTree();
RobotsTxtDocumentSyntax root = syntax.Root as RobotsTxtDocumentSyntax;
applicableToSpan = null;
// find section
RobotsTxtLineSyntax line = root.Records
.SelectMany(r => r.Lines)
.FirstOrDefault(s => s.NameToken.Span.Span.Contains(point));
if (line != null)
{
IClassificationFormatMap formatMap = _classificationFormatMapService.GetClassificationFormatMap(session.TextView);
string fieldName = line.NameToken.Value;
// get glyph
var glyph = _glyphService.GetGlyph(StandardGlyphGroup.GlyphGroupProperty, StandardGlyphItem.GlyphItemPublic);
var classificationType = _classificationRegistry.GetClassificationType("RobotsTxt/RecordName");
var format = formatMap.GetTextProperties(classificationType);
// construct content
ISemanticModel model = syntax.GetSemanticModel();
var field = model.GetFieldSymbol(line);
var content = new QuickInfoContent
{
Glyph = glyph,
Signature = new Run(field.Name)
{
Foreground = format.ForegroundBrush
},
Documentation = RobotsTxtDocumentation.GetDocumentation(field),
};
// add to session
quickInfoContent.Add(
new ContentPresenter
{
Content = content,
ContentTemplate = Template,
}
);
applicableToSpan = snapshot.CreateTrackingSpan(line.NameToken.Span.Span, SpanTrackingMode.EdgeInclusive);
return;
}
}
public RobotsTxtSignature(ISemanticModel model, RobotsTxtLineSyntax lineSyntax)
{
RobotsTxtFieldSymbol field = model.GetFieldSymbol(lineSyntax);
// calculate span
ITextSnapshotLine line = lineSyntax.Span.Start.GetContainingLine();
this.ApplicableToSpan = lineSyntax.Record.Document.Snapshot.CreateTrackingSpan(
new SnapshotSpan(
lineSyntax.NameToken.Span.Span.Start,
lineSyntax.TrailingTrivia.FirstOrDefault(t => t.Span.Span.IntersectsWith(line.Extent))?.Span.Span.Start ?? line.Extent.End
),
SpanTrackingMode.EdgeInclusive
);
// content
string content = $"{field.Name}: {ParameterName}";
if (field.IsExtension)
{
content = $"(extension) {content}";
}
this.Content = content;
// parameters
this.Parameters = new ReadOnlyCollection <IParameter>(
new []
{
new RobotsTxtParameter(null, new Span(this.Content.LastIndexOf(ParameterName), ParameterName.Length), ParameterName, this)
}
);
this.CurrentParameter = this.Parameters.Single();
// documentation
this.Documentation = RobotsTxtDocumentation.GetDocumentation(field);
}
