1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
|
package dom
import "golang.org/x/net/html"
func RemoveNode(node *html.Node) {
if node == nil || node.Parent == nil {
return
}
node.Parent.RemoveChild(node)
}
func ReplaceNode(node, newNode *html.Node) {
if node.Parent == nil || node == newNode {
return
}
node.Parent.InsertBefore(newNode, node)
node.Parent.RemoveChild(node)
}
func UnwrapNode(node *html.Node) {
if node == nil || node.Parent == nil {
return
}
// In each iteration, we once again grab the first child, since
// the previous first child was just removed.
for child := node.FirstChild; child != nil; child = node.FirstChild {
node.RemoveChild(child)
node.Parent.InsertBefore(child, node)
}
node.Parent.RemoveChild(node)
}
// WrapNode wraps the newNode around the existingNode.
func WrapNode(existingNode, newNode *html.Node) *html.Node {
if existingNode == nil || existingNode.Parent == nil {
return existingNode
}
existingNode.Parent.InsertBefore(newNode, existingNode)
existingNode.Parent.RemoveChild(existingNode)
newNode.AppendChild(existingNode)
return newNode
}
|