// this function returns some specific signature of a selection
// so it can be easy found to get data quickly next time
func getSelectionSignature(s *goquery.Selection) string {
var signature string
tag, _ := goquery.OuterHtml(s)
pos := strings.Index(tag, ">")
if pos > -1 {
tag = tag[1:pos]
} else {
return ""
}
signature = convertTagToJqueryFormat(tag, s)
s.Parents().Each(func(i int, sec *goquery.Selection) {
ohtml, _ := goquery.OuterHtml(sec)
pos := strings.Index(ohtml, ">")
if pos > -1 {
ohtml = ohtml[1:pos]
}
tag := convertTagToJqueryFormat(ohtml, sec)
signature = tag + " " + signature
})
return signature
}