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techknowlogick 2021-02-28 18:08:33 -05:00 committed by GitHub
parent 030646eea4
commit 47f6a4ec3f
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947 changed files with 26119 additions and 7062 deletions

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@ -199,7 +199,8 @@ func (n *Node) InsertBefore(sibling *Node) {
}
}
func (n *Node) isContainer() bool {
// IsContainer returns true if 'n' can contain children.
func (n *Node) IsContainer() bool {
switch n.Type {
case Document:
fallthrough
@ -238,6 +239,11 @@ func (n *Node) isContainer() bool {
}
}
// IsLeaf returns true if 'n' is a leaf node.
func (n *Node) IsLeaf() bool {
return !n.IsContainer()
}
func (n *Node) canContain(t NodeType) bool {
if n.Type == List {
return t == Item
@ -309,11 +315,11 @@ func newNodeWalker(root *Node) *nodeWalker {
}
func (nw *nodeWalker) next() {
if (!nw.current.isContainer() || !nw.entering) && nw.current == nw.root {
if (!nw.current.IsContainer() || !nw.entering) && nw.current == nw.root {
nw.current = nil
return
}
if nw.entering && nw.current.isContainer() {
if nw.entering && nw.current.IsContainer() {
if nw.current.FirstChild != nil {
nw.current = nw.current.FirstChild
nw.entering = true