public string ExtractTitle()
{
string startTag = "<span id=\"eow-title\" class=\"\" dir=\"ltr\" title=\"";
string endTag = "\">";
SlicableString slicey = new SlicableString(_youTubeVideoHtmlSourceCode);
return slicey.Slice(startTag, endTag);
}
public string GetMarkedRange()
{
string rangeIncludingMarkings = _originalValue.Substring(_startMarking.Position, _endMarking.Position - _startMarking.Position + _endMarking.Length);
SlicableString slicey = new SlicableString(rangeIncludingMarkings);
string rangeWithoutMarkings = slicey.Slice(_startMarking.Value, _endMarking.Value);
return rangeWithoutMarkings;
}
public string ExtractDirectDownloadLink()
{
// First step: Get the Flash Variables.
SlicableString originalSource = new SlicableString(_youTubeVideoHtmlSourceCode);
string flashVars = originalSource.Slice("flashvars=\"", "\" ");
// Second step: Get a list of download urls using the scent of the "videoplayback" keyword.
var urlextractor = new UrlExtractorStrategy();
string link = urlextractor.Extract(flashVars);
return link;
}