Golang GetElementsByTagName Examples

Example #1

File: install.go Project: siteshen/go-practice

// return a list for Repositories url
//
// http://godoc.org/code.google.com/p/go.tools
// http://godoc.org/code.google.com/p/go.crypto
// http://godoc.org/code.google.com/p/go.image
// ...
func SubRepoUrls(url string) (urls []string) {
	node := MustParse(url)
	h2list := htmlhelper.GetElementsByTagName(node, "h2")
	if h2list == nil {
		return
	}

	var repo *html.Node
	for _, node := range h2list {
		if strings.TrimSpace(htmlhelper.Text(node)) == "Repositories" {
			repo = NextSibling(node)
		}
	}

	hrefs := htmlhelper.GetElementsByTagName(repo, "a")
	for _, node := range hrefs {
		urls = append(urls, "http://godoc.org/"+htmlhelper.Text(node))
	}

	return
}

Example #2

File: install.go Project: siteshen/go-practice

func DirectoryURLs(url string) (urls []string) {
	node := MustParse(url)
	h3 := htmlhelper.GetElementById(node, "pkg-subdirectories")
	if h3 == nil {
		return
	}

	hrefs := htmlhelper.GetElementsByTagName(NextSibling(h3), "a")
	for _, node := range hrefs {
		urls = append(urls, "http://godoc.org"+htmlhelper.NodeAttr(node, "href"))
	}

	return
}