func ExampleParse() {
s := `<p>Links:</p><ul><li><a href="foo">Foo</a><li><a href="/bar/baz">BarBaz</a></ul>`
doc, err := html.Parse(strings.NewReader(s))
if err != nil {
log.Fatal(err)
}
var f func(*html.Node)
f = func(n *html.Node) {
if n.Type == html.ElementNode && n.Data == "a" {
for _, a := range n.Attr {
if a.Key == "href" {
fmt.Println(a.Val)
break
}
}
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
f(c)
}
}
f(doc)
// Output:
// foo
// /bar/baz
}
// Opens up the index.html file and adds additional (mostly plugin) elements
func finishIndex(filename string) {
log.Print("Finishing index file")
fileReader, err := os.Open(filename)
if err != nil {
log.Fatal(err)
}
//Parse the html document
doc, err := html.Parse(fileReader)
if err != nil {
log.Fatal(err)
}
//Find the HEAD
var processNode func(*html.Node)
processNode = func(node *html.Node) {
if node.Type == html.ElementNode && node.Data == "head" {
enabledPlugins := fserv.GetEnabledPlugins()
for _, plugin := range enabledPlugins {
name := plugin.Name
css := plugin.Stylesheet
if css != "" {
path := "/app/plugin/" + name + "/resource/" + css
//Construct a new link css node and add it to the head
attributes := []html.Attribute{
html.Attribute{Key: "rel", Val: "stylesheet"},
html.Attribute{Key: "type", Val: "text/css"},
html.Attribute{Key: "href", Val: path},
}
linkNode := html.Node{
Type: html.ElementNode,
Data: "link",
Attr: attributes,
}
node.AppendChild(&linkNode)
}
}
}
for c := node.FirstChild; c != nil; c = c.NextSibling {
processNode(c)
}
}
processNode(doc)
var b bytes.Buffer
html.Render(&b, doc)
indexHtml = b.String()
fileReader.Close()
}