//</Snippet6>
//<Snippet7>
public IEnumerable <ITagSpan <TextMarkerTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (spans.Count == 0) //there is no content in the buffer
{
yield break;
}
//don't do anything if the current SnapshotPoint is not initialized or at the end of the buffer
if (!CurrentChar.HasValue || CurrentChar.Value.Position >= CurrentChar.Value.Snapshot.Length)
{
yield break;
}
//hold on to a snapshot of the current character
SnapshotPoint currentChar = CurrentChar.Value;
//if the requested snapshot isn't the same as the one the brace is on, translate our spans to the expected snapshot
if (spans[0].Snapshot != currentChar.Snapshot)
{
currentChar = currentChar.TranslateTo(spans[0].Snapshot, PointTrackingMode.Positive);
}
//get the current char and the previous char
char currentText = currentChar.GetChar();
SnapshotPoint lastChar = currentChar == 0 ? currentChar : currentChar - 1; //if currentChar is 0 (beginning of buffer), don't move it back
char lastText = lastChar.GetChar();
SnapshotSpan pairSpan = new SnapshotSpan();
if (m_braceList.ContainsKey(currentText)) //the key is the open brace
{
char closeChar;
m_braceList.TryGetValue(currentText, out closeChar);
if (BraceMatchingTagger.FindMatchingCloseChar(currentChar, currentText, closeChar, View.TextViewLines.Count, out pairSpan) == true)
{
yield return(new TagSpan <TextMarkerTag>(new SnapshotSpan(currentChar, 1), new TextMarkerTag("blue")));
yield return(new TagSpan <TextMarkerTag>(pairSpan, new TextMarkerTag("blue")));
}
}
else if (m_braceList.ContainsValue(lastText)) //the value is the close brace, which is the *previous* character
{
var open = from n in m_braceList
where n.Value.Equals(lastText)
select n.Key;
if (BraceMatchingTagger.FindMatchingOpenChar(lastChar, (char)open.ElementAt <char>(0), lastText, View.TextViewLines.Count, out pairSpan) == true)
{
yield return(new TagSpan <TextMarkerTag>(new SnapshotSpan(lastChar, 1), new TextMarkerTag("blue")));
yield return(new TagSpan <TextMarkerTag>(pairSpan, new TextMarkerTag("blue")));
}
}
}
public ITagger <T> CreateTagger <T>(ITextView textView, ITextBuffer buffer) where T : ITag
{
BraceMatchingTagger braceMatchingTagger;
if (buffer.Properties.TryGetProperty(TextBufferProperties.BraceMatchingTagger, out braceMatchingTagger))
{
return((ITagger <T>)braceMatchingTagger);
}
// var nitraSolutionService = XXNamespaceXX.ReSharperSolution.XXLanguageXXSolution;
var tagger = new BraceMatchingTagger(Constants.ErrorClassificationTypeName, textView, buffer, null);
buffer.Properties.AddProperty(TextBufferProperties.BraceMatchingTagger, tagger);
return((ITagger <T>)tagger);
}
protected override ITagger <T> GetTagger <T>(ITextView textView, ITextBuffer buffer)
{
var tagger = new BraceMatchingTagger(textView, buffer) as ITagger <T>;
return(tagger);
}
