// StripSomeHTML removes the most common html presentation tags from the text
func StripSomeHTML(msg []byte) (out []byte) {
z := html.NewTokenizer(bytes.NewReader(msg))
loop:
for {
tt := z.Next()
switch tt {
case html.TextToken:
out = append(out, z.Text()...)
case html.ErrorToken:
if err := z.Err(); err != nil && err != io.EOF {
out = msg
return
}
break loop
case html.StartTagToken, html.EndTagToken, html.SelfClosingTagToken:
raw := z.Raw()
name, _ := z.TagName()
if !tagsToAvoid[string(name)] {
out = append(out, raw...)
}
case html.CommentToken:
out = append(out, z.Raw()...)
case html.DoctypeToken:
out = append(out, z.Raw()...)
}
}
return
}
// StripHTML removes all html in the text
func StripHTML(msg []byte) (out []byte) {
z := html.NewTokenizer(bytes.NewReader(msg))
loop:
for {
tt := z.Next()
switch tt {
case html.TextToken:
out = append(out, z.Text()...)
case html.ErrorToken:
if err := z.Err(); err != nil && err != io.EOF {
out = msg
return
}
break loop
}
}
return
}