How to use PostOrder method of outline Package

Best Ginkgo code snippet using outline.PostOrder


Source:outline.go Github


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1// Outline prints the outline of an HTML document tree2package main3import (4 "fmt"5 "net/http"6 "os"7 ""8)9func main() {10 for _, url := range os.Args[1:] {11 outline(url)12 }13}14func outline(url string) error {15 resp, err := http.Get(url)16 if err != nil {17 return err18 }19 defer resp.Body.Close()20 21 doc, err := html.Parse(resp.Body)22 if err != nil {23 return err24 }25 26 forEachNode(doc, startElement, endElement)27 return nil28}29// forEachNode calls the functions pre(x) and post(x) for each node30// x in the tree rooted at n. Both functions are optional.31// pre is called before the clildren are visited (preorder) and32// post is called after (postorder)33func forEachNode(n *html.Node, pre, post func(n *html.Node)) {34 if pre != nil {35 pre(n)36 }37 for c := n.FirstChild; c != nil; c = c.NextSibline {38 forEachNode(c, pre, post)39 }40 if post != nil {41 post(n)42 }43}44var depth int45func startElement(n *html.Node) {46 if n.Type == html.ElementNode {47 fmt.Printf("%*s<%s>\n", depth*2, "", n.Data)48 depth++49 }50}51func endElement(n *html.Node) {52 if n.Type == html.ElementNode {53 depth--54 fmt.Printf("%*s</%s>\n", depth*2, "", n.Data)55 }56}...

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Using AI Code Generation


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1import (2func main() {3 doc, err := outline.Parse(os.Stdin)4 if err != nil {5 log.Fatal(err)6 }7 outline.PostOrder(doc, func(n *outline.Node) {8 if n.Type == outline.ElementNode {9 fmt.Printf("%*s<%s>10 }11 })12}13import (14func main() {15 doc, err := outline.Parse(os.Stdin)16 if err != nil {17 log.Fatal(err)18 }19 outline.PreOrder(doc, func(n *outline.Node) {20 if n.Type == outline.ElementNode {21 fmt.Printf("%*s<%s>22 }23 })24}25import (26func main() {27 doc, err := outline.Parse(os.Stdin)28 if err != nil {29 log.Fatal(err)30 }31 outline.ForEachNode(doc, func(n *outline.Node) {32 if n.Type == outline.ElementNode {33 fmt.Printf("%*s<%s>34 }35 })36}

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