func (this *parser) getElementsByTags(div *goquery.Selection, tags []string) *goquery.Selection {
selection := new(goquery.Selection)
for _, tag := range tags {
selections := div.Find(tag)
if selections != nil {
selection = selection.Union(selections)
}
}
return selection
}
func (ve *VideoExtractor) GetVideos(article *Article) *set.Set {
doc := article.Doc
var nodes *goquery.Selection
for _, videoTag := range videoTags {
tmpNodes := doc.Find(videoTag)
if nodes == nil {
nodes = tmpNodes
} else {
nodes.Union(tmpNodes)
}
}
nodes.Each(func(i int, node *goquery.Selection) {
tag := node.Get(0).DataAtom.String()
var movie video
switch tag {
case "video":
movie = ve.getVideoTag(node)
break
case "embed":
movie = ve.getEmbedTag(node)
break
case "object":
movie = ve.getObjectTag(node)
break
case "iframe":
movie = ve.getIFrame(node)
break
default:
{
}
}
if movie.src != "" {
ve.movies.Add(movie)
}
})
return ve.movies
}