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package domutils
import (
"context"
"github.com/JohannesKaufmann/dom"
"golang.org/x/net/html"
)
var ListEndCommentData = "THE END"
func AddListEndComments(ctx context.Context, doc *html.Node) {
node := doc
for node != nil {
if nameIsList(node) && nextNameIsList(node) {
insertComment(node)
}
node = dom.GetNextNeighborElement(node)
}
}
func nameIsList(node *html.Node) bool {
name := dom.NodeName(node)
return name == "ul" || name == "ol"
}
func insertComment(listNode *html.Node) {
comment := &html.Node{
Type: html.CommentNode,
Data: ListEndCommentData,
}
listNode.Parent.InsertBefore(comment, listNode.NextSibling)
}
func nextNameIsList(startNode *html.Node) bool {
node := dom.GetNextNeighborNodeExcludingOwnChild(startNode)
for node != nil {
name := dom.NodeName(node)
if name == "ul" || name == "ol" {
return true
}
if name == "li" {
return false
}
if name == "#comment" && node.Data == ListEndCommentData {
return false
}
// If there is any text between two lists
// they are automatically not connected anymore.
if node.Type == html.TextNode {
return false
}
// - - - - //
if name == "hr" {
// A divider already seperates two lists...
return false
}
// TODO: RunContext.Render()
// -> get acess to keepRemoveMap
// TODO: look in the KeepRemoveMap?
// e.g. ul then script then ul
node = dom.GetNextNeighborNode(node)
continue
}
return false
}
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