How to use ChildNodes method of html Package

Best K6 code snippet using html.ChildNodes

main.go

Source:main.go Github

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...49 }50 anchorNodes := Crawler(z)51 return anchorNodes52}53func GetChildNodes(n *html.Node) []*html.Node {54 var childNodes []*html.Node55 for childNode := n.FirstChild; childNode != nil; childNode = childNode.NextSibling {56 childNodes = append(childNodes, childNode)57 }58 if len(childNodes) == 0 {59 return nil60 }61 return childNodes62}63func FilterAnchorNodes(nodes []*html.Node) []*html.Node {64 var anchorNodes []*html.Node65 for _, node := range nodes {66 if node.DataAtom.String() == "a" {67 anchorNodes = append(anchorNodes, node)68 }69 }70 if len(anchorNodes) == 0 {71 return nil72 }73 return anchorNodes74}75func printXML(siteMap UrlSet) {76 enc := xml.NewEncoder(os.Stdout)77 enc.Indent(" ", " ")78 if err := enc.Encode(siteMap); err != nil {79 fmt.Printf("error: %v\n", err)80 }81}82func printAnchorNodes(childTags []*html.Node) {83 for _, tag := range childTags {84 for _, attr := range tag.Attr {85 if attr.Key == "href" {86 fmt.Println(tag.DataAtom.String(), attr.Val)87 break88 }89 }90 }91}92func Crawler(n *html.Node) []*html.Node {93 var childNodes, anchorNodes []*html.Node94 childNodes = GetChildNodes(n)95 if childNodes == nil {96 return nil97 }98 childNodes = Traverse([]*html.Node{n}, childNodes)99 anchorNodes = FilterAnchorNodes(childNodes)100 return anchorNodes101}102func Traverse(Nodes, childNodes []*html.Node) []*html.Node {103 var nextChildNodes []*html.Node104 if childNodes != nil {105 for _, node := range childNodes {106 nextChildNodes = append(nextChildNodes, GetChildNodes(node)...)107 }108 }109 if len(nextChildNodes) == 0 {110 return append(Nodes, childNodes...)111 }112 return Traverse(append(Nodes, childNodes...), nextChildNodes)113}114func FilterSiteLinks(list []*html.Node, URL *url.URL, temp map[string]bool) map[string]bool {115 if temp == nil {116 temp = make(map[string]bool)117 }118 for _, tag := range list {119 for _, attr := range tag.Attr {120 if attr.Key == "href" {121 u, _ := url.Parse(attr.Val)122 if u.Host == "" && u.Fragment != "" {123 continue124 }125 if u.Scheme == "" {126 u.Scheme = URL.Scheme...

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dom.go

Source:dom.go Github

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1package scrape2import (3 "bytes"4 "errors"5 "io"6 "strings"7 "github.com/chromedp/cdproto/cdp"8 "github.com/mlctrez/bolt"9 "golang.org/x/net/html"10)11var _ bolt.ValueProvider = (*NodeStorage)(nil)12var _ bolt.ValueReceiver = (*NodeStorage)(nil)13type NodeStorage struct {14 key bolt.Key15 nodes []*html.Node16}17const NewLine bolt.Key = "\n"18func (n *NodeStorage) Dump(out io.Writer) error {19 for _, node := range n.nodes {20 if err := html.Render(out, node); err != nil {21 return err22 }23 _, err := out.Write(NewLine.B())24 if err != nil {25 return err26 }27 }28 return nil29}30func (n *NodeStorage) Key() bolt.Key {31 return n.key32}33func (n *NodeStorage) Value() ([]byte, error) {34 if n.nodes == nil {35 return nil, errors.New("no value")36 }37 out := &bytes.Buffer{}38 for _, node := range n.nodes {39 if err := html.Render(out, node); err != nil {40 return nil, err41 }42 }43 return out.Bytes(), nil44}45func (n *NodeStorage) SetValue(val []byte) error {46 parse, err := html.Parse(bytes.NewBuffer(val))47 if err != nil {48 return err49 }50 n.nodes = []*html.Node{}51 // strip html/body which is always added by html parse52 node := parse.FirstChild.LastChild.FirstChild53 for node != nil {54 n.nodes = append(n.nodes, node)55 node = node.NextSibling56 }57 return nil58}59func (n *NodeStorage) EachNode(callback func(idx int, node *html.Node)) {60 for i, h := range n.nodes {61 callback(i, h)62 }63}64func (n *NodeStorage) EachChildNode(callback func(idx int, node *html.Node)) {65 for i, h := range n.nodes {66 if i == 0 {67 ci := 068 child := h.FirstChild69 for child != nil {70 callback(ci, child)71 ci++72 child = child.NextSibling73 }74 }75 }76}77func cdpNodeToHtmlNode(from *cdp.Node, to *html.Node) {78 switch {79 case from.NodeName == "#text":80 to.Type = html.TextNode81 to.Data = from.NodeValue82 return83 default:84 to.Type = html.ElementNode85 to.Data = strings.ToLower(from.NodeName)86 if n := len(from.Attributes); n > 0 {87 for i := 0; i < n; i += 2 {88 to.Attr = append(to.Attr, html.Attribute{89 Key: from.Attributes[i],90 Val: from.Attributes[i+1],91 })92 }93 }94 }95 count := int(from.ChildNodeCount)96 if count == 0 {97 return98 }99 childNodes := make([]*html.Node, count)100 for i := 0; i < count; i++ {101 childNodes[i] = &html.Node{}102 }103 first := 0104 last := count - 1105 to.FirstChild = childNodes[first]106 to.LastChild = childNodes[last]107 for i := 0; i < count; i++ {108 if i > first {109 childNodes[i].PrevSibling = childNodes[i-1]110 }111 if i < last {112 childNodes[i].NextSibling = childNodes[i+1]113 }114 }115 for i, child := range from.Children {116 cdpNodeToHtmlNode(child, childNodes[i])117 }118}119func nodeAttribute(node *html.Node, key string) string {120 for _, attribute := range node.Attr {121 if attribute.Key == key {122 return attribute.Val123 }124 }125 return ""126}...

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decoder.go

Source:decoder.go Github

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...11func (d *decoder) ToJSON() (*HTML, error) {12 var id uint = 013 var walk func(*HTML, *VNode)14 walk = func(tree *HTML, node *VNode) {15 if tree.ChildNodes == nil {16 tree.ChildNodes = make([]*HTML, 0)17 }18 for _, c := range node.children {19 attrs := c.attrToMap()20 htmlNode := &HTML{21 NodeType: c.Type,22 ID: id,23 Name: attrs["name"],24 Attrs: attrs,25 }26 switch c.Type {27 case html.TextNode:28 htmlNode.TextContent = c.Data29 case html.DoctypeNode, html.DocumentNode, html.ElementNode:30 htmlNode.TagName = c.Data31 case html.CommentNode:32 htmlNode.TextContent = c.Data33 }34 tree.ChildNodes = append(tree.ChildNodes, htmlNode)35 walk(htmlNode, c)36 id++37 }38 }39 treeAttrs := d.node.attrToMap()40 htmlTree := &HTML{41 NodeType: d.node.Type,42 ID: id,43 Name: treeAttrs["name"],44 TagName: d.node.Data,45 Attrs: treeAttrs,46 TextContent: "",47 ChildNodes: nil,48 }49 walk(htmlTree, d.node)50 return htmlTree, nil51}...

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ChildNodes

Using AI Code Generation

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1import (2func main() {3 doc, err := html.Parse(os.Stdin)4 if err != nil {5 fmt.Fprintf(os.Stderr, "findlinks1: %v6 os.Exit(1)7 }8 for _, link := range visit(nil, doc) {9 fmt.Println(link)10 }11}12func visit(links []string, n *html.Node) []string {13 if n.Type == html.ElementNode && n.Data == "a" {14 for _, a := range n.Attr {15 if a.Key == "href" {16 links = append(links, a.Val)17 }18 }19 }20 for c := n.FirstChild; c != nil; c = c.NextSibling {21 links = visit(links, c)22 }23}

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ChildNodes

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1import (2func main() {3 doc, err := html.Parse(os.Stdin)4 if err != nil {5 fmt.Fprintf(os.Stderr, "findlinks1: %v6 os.Exit(1)7 }8 for _, link := range visit(nil, doc) {9 fmt.Println(link)10 }11}12func visit(links []string, n *html.Node) []string {13 if n.Type == html.ElementNode && n.Data == "a" {14 for _, a := range n.Attr {15 if a.Key == "href" {16 links = append(links, a.Val)17 }18 }19 }20 for c := n.FirstChild; c != nil; c = c.NextSibling {21 links = visit(links, c)22 }23}24import (25func main() {26 doc, err := html.Parse(os.Stdin)27 if err != nil {28 fmt.Fprintf(os.Stderr, "findlinks1: %v29 os.Exit(1)30 }31 for _, link := range visit(nil, doc) {32 fmt.Println(link)33 }34}35func visit(links []string, n *html.Node) []string {36 if n.Type == html.ElementNode && n.Data == "a" {37 for _, a := range n.Attr {38 if a.Key == "href" {39 links = append(links, a.Val)40 }41 }42 }43 for c := n.FirstChild; c != nil; c = c.NextSibling {44 links = visit(links, c)45 }46}47import (48func main() {49 doc, err := html.Parse(os.Stdin)50 if err != nil {51 fmt.Fprintf(os.Stderr, "findlinks1: %v52 os.Exit(1)53 }54 for _, link := range visit(nil, doc) {55 fmt.Println(link)56 }57}

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ChildNodes

Using AI Code Generation

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1import (2func main() {3 doc, err := html.Parse(os.Stdin)4 if err != nil {5 fmt.Fprintf(os.Stderr, "findlinks1: %v6 os.Exit(1)7 }8 for _, link := range visit(nil, doc) {9 fmt.Println(link)10 }11}12func visit(links []string, n *html.Node) []string {13 if n.Type == html.ElementNode && n.Data == "a" {14 for _, a := range n.Attr {15 if a.Key == "href" {16 links = append(links, a.Val)17 }18 }19 }20 for c := n.FirstChild; c != nil; c = c.NextSibling {21 links = visit(links, c)22 }23}

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ChildNodes

Using AI Code Generation

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1import (2func main() {3 resp, err := http.Get(os.Args[1])4 if err != nil {5 fmt.Println(err)6 }7 defer resp.Body.Close()8 doc, err := html.Parse(resp.Body)9 if err != nil {10 fmt.Println(err)11 }12 for c := doc.FirstChild; c != nil; c = c.NextSibling {13 fmt.Println(c.Data)14 }15}

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ChildNodes

Using AI Code Generation

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1import (2func main() {3 if err != nil {4 panic(err)5 }6 defer resp.Body.Close()7 doc, err := html.Parse(resp.Body)8 if err != nil {9 panic(err)10 }11 fmt.Println(doc.FirstChild.Data)12 fmt.Println(doc.FirstChild.Type)13 fmt.Println(doc.FirstChild.NextSibling.Data)14 fmt.Println(doc.FirstChild.NextSibling.Type)15 fmt.Println(doc.FirstChild.NextSibling.NextSibling.Data)16 fmt.Println(doc.FirstChild.NextSibling.NextSibling.Type)17 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.Data)18 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.Type)19 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.Data)20 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.Type)21 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Data)22 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Type)23 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Data)24 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Type)25 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Data)26 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Type)27 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Data)28 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Type)29 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Data)30 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Type)31 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Data)32 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.Type)33 fmt.Println(doc.FirstChild.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling.NextSibling

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ChildNodes

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1import (2func main() {3 if err != nil {4 fmt.Println(err)5 os.Exit(1)6 }7 defer resp.Body.Close()8 doc, err := html.Parse(resp.Body)9 if err != nil {10 fmt.Println(err)11 os.Exit(1)12 }13 var f func(*html.Node)14 f = func(n *html.Node) {15 if n.Type == html.ElementNode {16 fmt.Println(n.Data)17 }18 for c := n.FirstChild; c != nil; c = c.NextSibling {19 f(c)20 }21 }22 f(doc)23}

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ChildNodes

Using AI Code Generation

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1import (2func main() {3 doc, _ := html.Parse(os.Stdin)4 for _, n := range doc.ChildNodes {5 fmt.Println(n)6 }7}8import (9func main() {10 doc, _ := html.Parse(os.Stdin)11 for n := doc.FirstChild; n != nil; n = n.NextSibling {12 fmt.Println(n)13 }14}15import (16func main() {17 doc, _ := html.Parse(os.Stdin)18 for c := doc.FirstChild; c != nil; c = c.NextSibling {19 if c.Type == html.ElementNode {20 fmt.Println(c.Data)21 }22 }23}24import (25func main() {26 doc, _ := html.Parse(os.Stdin)27 forEachNode(doc, startElement, endElement)28}29func forEachNode(n *html.Node, pre, post func(n *html.Node)) {30 if pre != nil {31 pre(n)32 }33 for c := n.FirstChild; c != nil; c = c.NextSibling {34 forEachNode(c, pre, post)35 }36 if post != nil {37 post(n)38 }39}40func startElement(n *html.Node) {41 if n.Type == html.ElementNode {42 fmt.Printf("<%s>", n.Data)43 }44}45func endElement(n *html.Node) {46 if n.Type == html.ElementNode {47 fmt.Printf("</%s>", n.Data)48 }49}50import (51func main() {52 doc, _ := html.Parse(os.Stdin)53 forEachNode(doc, startElement, endElement)54}55func forEachNode(n *html.Node, pre, post func(n

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ChildNodes

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1import (2func main() {3 doc, err := html.Parse(strings.NewReader("<html><body><h1>Heading</h1><p>Paragraph</p></body></html>"))4 if err != nil {5 fmt.Println(err)6 }7 for c := doc.FirstChild; c != nil; c = c.NextSibling {8 fmt.Println(c.Data)9 }10}11HTML | GetElementsByTagName() Method12HTML | GetElementsByTagNameNS() Method13HTML | GetElementsByClassName() Method14HTML | Element() Method15HTML | GetAttribute() Method16HTML | GetAttributeNode() Method17HTML | GetAttributeNodeNS() Method18HTML | GetAttributeNS() Method19HTML | GetElementsByTagName() Method20HTML | GetElementsByTagNameNS() Method21HTML | GetElementsByClassName() Method22HTML | GetClientRects() Method23HTML | GetBoundingClientRect() Method24HTML | GetAttribute() Method25HTML | GetAttributeNode() Method26HTML | GetAttributeNodeNS() Method27HTML | GetAttributeNS() Method28HTML | GetElementsByTagName() Method29HTML | GetElementsByTagNameNS() Method30HTML | GetElementsByClassName() Method31HTML | GetClientRects() Method32HTML | GetBoundingClientRect() Method33HTML | GetAttribute() Method34HTML | GetAttributeNode() Method35HTML | GetAttributeNodeNS() Method36HTML | GetAttributeNS() Method37HTML | GetElementsByTagName() Method38HTML | GetElementsByTagNameNS() Method39HTML | GetElementsByClassName() Method40HTML | GetClientRects() Method41HTML | GetBoundingClientRect() Method42HTML | GetAttribute() Method43HTML | GetAttributeNode() Method44HTML | GetAttributeNodeNS() Method45HTML | GetAttributeNS() Method46HTML | GetElementsByTagName() Method47HTML | GetElementsByTagNameNS() Method48HTML | GetElementsByClassName() Method49HTML | GetClientRects() Method50HTML | GetBoundingClientRect() Method51HTML | GetAttribute() Method52HTML | GetAttributeNode() Method53HTML | GetAttributeNodeNS() Method54HTML | GetAttributeNS() Method55HTML | GetElementsByTagName() Method56HTML | GetElementsByTagNameNS() Method

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ChildNodes

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1import (2func main(){3 if err != nil {4 log.Fatal(err)5 }6 defer resp.Body.Close()7 doc, err := html.Parse(resp.Body)8 if err != nil {9 log.Fatal(err)10 }11 for _, n := range doc.ChildNodes {

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ChildNodes

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1import (2func main() {3 xmlFile, err := os.Open("index.html")4 if err != nil {5 fmt.Println(err)6 }7 fmt.Println("Successfully Opened index.html")8 defer xmlFile.Close()9 byteValue, _ := ioutil.ReadAll(xmlFile)10 nodes, err = html.ParseFragment(xmlFile, nil)11 if err != nil {12 log.Fatal(err)13 }14 for _, node := range nodes {15 fmt.Println("Type: " + node.Type)16 }17}18import (19func main() {20 xmlFile, err := os.Open("index.html")21 if err != nil {22 fmt.Println(err)23 }24 fmt.Println("Successfully Opened index.html")25 defer xmlFile.Close()26 byteValue, _ := ioutil.ReadAll(xmlFile)27 nodes, err = html.ParseFragment(xmlFile, nil)28 if err != nil {29 log.Fatal(err)30 }31 for _, node := range nodes {32 fmt.Println("Type: " + node.Type)33 }34}

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