//returns a list of nodes we want to search on like paragraphs and tables
func (this *contentExtractor) nodesToCheck(doc *goquery.Document) []*goquery.Selection {
output := make([]*goquery.Selection, 0)
tags := []string{"p", "pre", "td"}
for _, tag := range tags {
selections := doc.Children().Find(tag)
if selections != nil {
selections.Each(func(i int, s *goquery.Selection) {
output = append(output, s)
})
}
}
return output
}
