func ScrapeMidUrl(mid_body io.ReadCloser) string {
slug_tokens := html.NewTokenizer(mid_body)
for {
if slug_tokens.Next() == html.ErrorToken {
// Returning io.EOF indicates success.
return ""
}
tok := slug_tokens.Token()
if tok.DataAtom == atom.Embed {
file_url, err := webutils.GetAttr("src", tok.Attr)
if err == nil && file_url != "" {
return file_url
}
}
}
return ""
}
func ScrapeSlugs(songs_body io.ReadCloser) []string {
var slugs []string
z := html.NewTokenizer(songs_body)
for {
if z.Next() == html.ErrorToken {
// Returning io.EOF indicates success.
break
}
tok := z.Token()
if tok.DataAtom == atom.Option {
slug, err := webutils.GetAttr("value", tok.Attr)
// Happens when there was no attr found
if err == nil && slug != "" {
slugs = append(slugs, slug)
}
}
}
return slugs
}
func ScrapeTopLink(search_body io.ReadCloser) string {
log.Println("Scraping for top link")
z := html.NewTokenizer(search_body)
td_started := false
for {
if z.Next() == html.ErrorToken {
// Returning io.EOF indicates success.
break
}
tok := z.Token()
if tok.DataAtom == atom.Td && tok.Type == html.StartTagToken {
td_started = true
} else if tok.DataAtom == atom.A && tok.Type == html.StartTagToken {
if td_started {
href, _ := webutils.GetAttr("href", tok.Attr)
return href
}
}
}
return ""
}