public void ParseModeline(int numLine)
{
ITextBuffer buffer = this.theView.TextBuffer;
var snapshot = buffer.CurrentSnapshot;
if ( snapshot.LineCount <= numLine ) {
return;
}
ILanguage language = langFactory.TryCreateLanguage(snapshot);
if ( language == null ) return;
var firstLine = snapshot.GetLineFromLineNumber(numLine);
ITextChars tc = new LineChars(firstLine);
String commentText = language.NewFirstLineCommentParser().Parse(tc);
if ( String.IsNullOrEmpty(commentText) ) {
return;
}
VsfPackage.LogInfo("Found possible modeline: {0}", commentText);
var modelineParser = new ModeLineParser();
var options = modelineParser.Parse(commentText);
ApplyModelines(options);
}
private void ExtractFromLine(IBraceStacker pairs, ITextSnapshotLine line, int lineOffset)
{
var lc = new LineChars(line, lineOffset);
CharPos cp = CharPos.Empty;
while ( !lc.EndOfLine ) {
if ( !this.braceScanner.Extract(lc, ref cp) )
continue;
MatchBrace(pairs, cp);
}
this.LastParsedPosition = line.End;
}
private void ExtractFromLine(Stack<BracePos> pairs, ITextSnapshotLine line, int lineOffset)
{
var lc = new LineChars(line, lineOffset);
var bracesInLine = this.braceExtractor.Extract(lc) /*.ToArray() */;
foreach ( var cp in bracesInLine ) {
if ( IsOpeningBrace(cp) ) {
BracePos p = cp.AsBrace(pairs.Count);
pairs.Push(p);
Add(p);
// we don't need to check if it's a closing brace
// because the extractor won't return anything else
} else if ( pairs.Count > 0 ) {
BracePos p = pairs.Peek();
if ( braceList[p.Brace] == cp.Char ) {
// yield closing brace
pairs.Pop();
BracePos c = cp.AsBrace(p.Depth);
Add(c);
}
}
}
this.LastParsedPosition = line.End;
}