private void HandleBackgroundParseComplete(object sender, ParseResultEventArgs e)
{
PhpOutliningParseResultEventArgs antlrParseResultArgs = e as PhpOutliningParseResultEventArgs;
if (antlrParseResultArgs == null)
{
return;
}
UpdateTags(antlrParseResultArgs);
}
private void UpdateTags(PhpOutliningParseResultEventArgs antlrParseResultArgs)
{
List <ITagSpan <IOutliningRegionTag> > outliningRegions = new List <ITagSpan <IOutliningRegionTag> >();
if (antlrParseResultArgs != null)
{
ITextSnapshot snapshot = antlrParseResultArgs.Snapshot;
foreach (ParserRuleContext child in antlrParseResultArgs.OutliningTrees)
{
Interval sourceInterval = child.SourceInterval;
if (sourceInterval.a < 0 || sourceInterval.b < 0 || sourceInterval.Length <= 0)
{
continue;
}
var startToken = antlrParseResultArgs.Tokens[sourceInterval.a];
var stopToken = antlrParseResultArgs.Tokens[sourceInterval.b];
PhpParser.CodeContext codeContext = child as PhpParser.CodeContext;
if (codeContext != null && codeContext.Eof() != null)
{
stopToken = antlrParseResultArgs.Tokens.Last();
}
Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
if (snapshot.GetLineNumberFromPosition(span.Start) == snapshot.GetLineNumberFromPosition(span.End))
{
continue;
}
if (codeContext != null)
{
int start = span.Start;
int end = span.End;
if (codeContext.HTML_START_CODE() != null)
{
start = codeContext.HTML_START_CODE().Symbol.StopIndex + 1;
}
if (codeContext.CLOSE_PHP_TAG() != null)
{
end = codeContext.CLOSE_PHP_TAG().Symbol.StartIndex;
}
span = Span.FromBounds(start, end);
}
SnapshotSpan snapshotSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
IOutliningRegionTag tag = new OutliningRegionTag("...", string.Empty);
TagSpan <IOutliningRegionTag> tagSpan = new TagSpan <IOutliningRegionTag>(snapshotSpan, tag);
outliningRegions.Add(tagSpan);
}
//IAstRuleReturnScope resultArgs = antlrParseResultArgs.Result as IAstRuleReturnScope;
//var result = resultArgs.Tree as CommonTree;
//if (result != null)
//{
// ITextSnapshot snapshot = antlrParseResultArgs.Snapshot;
// foreach (CommonTree child in result.Children)
// {
// if (child.Type == CharStreamConstants.EndOfFile)
// continue;
// var startToken = antlrParseResultArgs.Tokens[child.TokenStartIndex];
// var stopToken = antlrParseResultArgs.Tokens[child.TokenStopIndex];
// Span span = new Span(startToken.StartIndex, stopToken.StopIndex - startToken.StartIndex + 1);
// if (snapshot.GetLineNumberFromPosition(span.Start) == snapshot.GetLineNumberFromPosition(span.End))
// continue;
// SnapshotSpan snapshotSpan = new SnapshotSpan(antlrParseResultArgs.Snapshot, span);
// IOutliningRegionTag tag = new OutliningRegionTag("...", string.Empty);
// TagSpan<IOutliningRegionTag> tagSpan = new TagSpan<IOutliningRegionTag>(snapshotSpan, tag);
// outliningRegions.Add(tagSpan);
// }
//}
}
this._outliningRegions = outliningRegions;
OnTagsChanged(new SnapshotSpanEventArgs(new SnapshotSpan(antlrParseResultArgs.Snapshot, new Span(0, antlrParseResultArgs.Snapshot.Length))));
}