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How to use PostOrder method of outline Package

Best Ginkgo code snippet using outline.PostOrder

outline.go

Source:outline.go

1// Outline prints the outline of an HTML document tree2package main3import (4   "fmt"5   "net/http"6   "os"7   "golang.org/x/net/html"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}...

PostOrder

Using AI Code Generation

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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