2cca527d9f
Fix the delegation handling in the *file* and *dnssec* middleware. Refactor tests a bit and show that they are failling. Add a Tree printer, cleanups and tests. Fix wildcard test - should get no answer from empty-non-terminal
58 lines
856 B
Go
58 lines
856 B
Go
package tree
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import "fmt"
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// Print prints a Tree. Main use is to aid in debugging.
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func (t *Tree) Print() {
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if t.Root == nil {
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fmt.Println("<nil>")
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}
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t.Root.print()
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}
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func (n *Node) print() {
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q := NewQueue()
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q.Push(n)
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nodesInCurrentLevel := 1
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nodesInNextLevel := 0
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for !q.Empty() {
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do := q.Pop()
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nodesInCurrentLevel--
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if do != nil {
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fmt.Print(do.Elem.Name(), " ")
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q.Push(do.Left)
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q.Push(do.Right)
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nodesInNextLevel += 2
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}
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if nodesInCurrentLevel == 0 {
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fmt.Println()
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}
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nodesInCurrentLevel = nodesInNextLevel
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nodesInNextLevel = 0
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}
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fmt.Println()
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}
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type queue []*Node
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func NewQueue() queue {
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q := queue([]*Node{})
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return q
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}
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func (q *queue) Push(n *Node) {
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*q = append(*q, n)
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}
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func (q *queue) Pop() *Node {
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n := (*q)[0]
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*q = (*q)[1:]
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return n
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}
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func (q *queue) Empty() bool {
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return len(*q) == 0
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}
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