How to use Span method of html Package

Best K6 code snippet using html.Span

html.go

Source:html.go Github

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1// Copyright 2013 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4package main5import (6 "bufio"7 "bytes"8 "cmd/internal/browser"9 "fmt"10 "html/template"11 "io"12 "io/ioutil"13 "math"14 "os"15 "path/filepath"16)17// htmlOutput reads the profile data from profile and generates an HTML18// coverage report, writing it to outfile. If outfile is empty,19// it writes the report to a temporary file and opens it in a web browser.20func htmlOutput(profile, outfile string) error {21 profiles, err := ParseProfiles(profile)22 if err != nil {23 return err24 }25 var d templateData26 for _, profile := range profiles {27 fn := profile.FileName28 if profile.Mode == "set" {29 d.Set = true30 }31 file, err := findFile(fn)32 if err != nil {33 return err34 }35 src, err := ioutil.ReadFile(file)36 if err != nil {37 return fmt.Errorf("can't read %q: %v", fn, err)38 }39 var buf bytes.Buffer40 err = htmlGen(&buf, src, profile.Boundaries(src))41 if err != nil {42 return err43 }44 d.Files = append(d.Files, &templateFile{45 Name: fn,46 Body: template.HTML(buf.String()),47 Coverage: percentCovered(profile),48 })49 }50 var out *os.File51 if outfile == "" {52 var dir string53 dir, err = ioutil.TempDir("", "cover")54 if err != nil {55 return err56 }57 out, err = os.Create(filepath.Join(dir, "coverage.html"))58 } else {59 out, err = os.Create(outfile)60 }61 err = htmlTemplate.Execute(out, d)62 if err == nil {63 err = out.Close()64 }65 if err != nil {66 return err67 }68 if outfile == "" {69 if !browser.Open("file://" + out.Name()) {70 fmt.Fprintf(os.Stderr, "HTML output written to %s\n", out.Name())71 }72 }73 return nil74}75// percentCovered returns, as a percentage, the fraction of the statements in76// the profile covered by the test run.77// In effect, it reports the coverage of a given source file.78func percentCovered(p *Profile) float64 {79 var total, covered int6480 for _, b := range p.Blocks {81 total += int64(b.NumStmt)82 if b.Count > 0 {83 covered += int64(b.NumStmt)84 }85 }86 if total == 0 {87 return 088 }89 return float64(covered) / float64(total) * 10090}91// htmlGen generates an HTML coverage report with the provided filename,92// source code, and tokens, and writes it to the given Writer.93func htmlGen(w io.Writer, src []byte, boundaries []Boundary) error {94 dst := bufio.NewWriter(w)95 for i := range src {96 for len(boundaries) > 0 && boundaries[0].Offset == i {97 b := boundaries[0]98 if b.Start {99 n := 0100 if b.Count > 0 {101 n = int(math.Floor(b.Norm*9)) + 1102 }103 fmt.Fprintf(dst, `<span class="cov%v" title="%v">`, n, b.Count)104 } else {105 dst.WriteString("</span>")106 }107 boundaries = boundaries[1:]108 }109 switch b := src[i]; b {110 case '>':111 dst.WriteString("&gt;")112 case '<':113 dst.WriteString("&lt;")114 case '&':115 dst.WriteString("&amp;")116 case '\t':117 dst.WriteString(" ")118 default:119 dst.WriteByte(b)120 }121 }122 return dst.Flush()123}124// rgb returns an rgb value for the specified coverage value125// between 0 (no coverage) and 10 (max coverage).126func rgb(n int) string {127 if n == 0 {128 return "rgb(192, 0, 0)" // Red129 }130 // Gradient from gray to green.131 r := 128 - 12*(n-1)132 g := 128 + 12*(n-1)133 b := 128 + 3*(n-1)134 return fmt.Sprintf("rgb(%v, %v, %v)", r, g, b)135}136// colors generates the CSS rules for coverage colors.137func colors() template.CSS {138 var buf bytes.Buffer139 for i := 0; i < 11; i++ {140 fmt.Fprintf(&buf, ".cov%v { color: %v }\n", i, rgb(i))141 }142 return template.CSS(buf.String())143}144var htmlTemplate = template.Must(template.New("html").Funcs(template.FuncMap{145 "colors": colors,146}).Parse(tmplHTML))147type templateData struct {148 Files []*templateFile149 Set bool150}151type templateFile struct {152 Name string153 Body template.HTML154 Coverage float64155}156const tmplHTML = `157<!DOCTYPE html>158<html>159 <head>160 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">161 <style>162 body {163 background: black;164 color: rgb(80, 80, 80);165 }166 body, pre, #legend span {167 font-family: Menlo, monospace;168 font-weight: bold;169 }170 #topbar {171 background: black;172 position: fixed;173 top: 0; left: 0; right: 0;174 height: 42px;175 border-bottom: 1px solid rgb(80, 80, 80);176 }177 #content {178 margin-top: 50px;179 }180 #nav, #legend {181 float: left;182 margin-left: 10px;183 }184 #legend {185 margin-top: 12px;186 }187 #nav {188 margin-top: 10px;189 }190 #legend span {191 margin: 0 5px;192 }193 {{colors}}194 </style>195 </head>196 <body>197 <div id="topbar">198 <div id="nav">199 <select id="files">200 {{range $i, $f := .Files}}201 <option value="file{{$i}}">{{$f.Name}} ({{printf "%.1f" $f.Coverage}}%)</option>202 {{end}}203 </select>204 </div>205 <div id="legend">206 <span>not tracked</span>207 {{if .Set}}208 <span class="cov0">not covered</span>209 <span class="cov8">covered</span>210 {{else}}211 <span class="cov0">no coverage</span>212 <span class="cov1">low coverage</span>213 <span class="cov2">*</span>214 <span class="cov3">*</span>215 <span class="cov4">*</span>216 <span class="cov5">*</span>217 <span class="cov6">*</span>218 <span class="cov7">*</span>219 <span class="cov8">*</span>220 <span class="cov9">*</span>221 <span class="cov10">high coverage</span>222 {{end}}223 </div>224 </div>225 <div id="content">226 {{range $i, $f := .Files}}227 <pre class="file" id="file{{$i}}" style="display: none">{{$f.Body}}</pre>228 {{end}}229 </div>230 </body>231 <script>232 (function() {233 var files = document.getElementById('files');234 var visible;235 files.addEventListener('change', onChange, false);236 function select(part) {237 if (visible)238 visible.style.display = 'none';239 visible = document.getElementById(part);240 if (!visible)241 return;242 files.value = part;243 visible.style.display = 'block';244 location.hash = part;245 }246 function onChange() {247 select(files.value);248 window.scrollTo(0, 0);249 }250 if (location.hash != "") {251 select(location.hash.substr(1));252 }253 if (!visible) {254 select("file0");255 }256 })();257 </script>258</html>259`...

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1import (2func main() {3 doc, err := html.Parse(os.Stdin)4 if err != nil {5 fmt.Fprintf(os.Stderr, "findlinks1: %v\n", err)6 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: %v\n", err)29 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: %v\n", err)52 os.Exit(1)53 }54 for _, link := range visit(nil, doc) {55 fmt.Println(link)56 }57}58func visit(links []string, n *html.Node) []string {

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1import (2func main() {3 doc, err := html.Parse(os.Stdin)4 if err != nil {5 fmt.Fprintf(os.Stderr, "findlinks1: %v\n", err)6 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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1import (2func main() {3 for _, url := range os.Args[1:] {4 resp, err := http.Get(url)5 if err != nil {6 log.Fatal(err)7 }8 doc, err := html.Parse(resp.Body)9 resp.Body.Close()10 if err != nil {11 log.Fatalf("findlinks1: %v\n", err)12 }13 for _, link := range visit(nil, doc) {14 fmt.Println(link)15 }16 }17}18func visit(links []string, n *html.Node) []string {19 if n.Type == html.ElementNode && n.Data == "a" {20 for _, a := range n.Attr {21 if a.Key == "href" {22 links = append(links, a.Val)23 }24 }25 }26 for c := n.FirstChild; c != nil; c = c.NextSibling {27 links = visit(links, c)28 }29}30import (31func main() {32 for _, url := range os.Args[1:] {33 resp, err := http.Get(url)34 if err != nil {35 log.Fatal(err)36 }37 doc, err := html.Parse(resp.Body)38 resp.Body.Close()39 if err != nil {40 log.Fatalf("findlinks1: %v\n", err)41 }42 for _, link := range visit(nil, doc) {43 fmt.Println(link)44 }45 }46}47func visit(links []string, n *html.Node) []string {48 if n.Type == html.ElementNode && n.Data == "a" {49 for _, a := range n.Attr {50 if a.Key == "href" {51 links = append(links, a.Val)52 }53 }54 }55 for c := n.FirstChild; c != nil; c = c.NextSibling {56 links = visit(links, c)57 }58}59import (

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1import (2func main() {3 file, err := os.Open("1.html")4 if err != nil {5 fmt.Println(err)6 }7 defer file.Close()8 doc, err := html.Parse(file)9 if err != nil {10 fmt.Println(err)11 }12 fmt.Println(Span(doc))13}14func Span(n *html.Node) int {15 if n.Type == html.ElementNode && n.Data == "span" {16 }17 for c := n.FirstChild; c != nil; c = c.NextSibling {18 count += Span(c)19 }20}21import (22func main() {23 file, err := os.Open("1.html")24 if err != nil {25 fmt.Println(err)26 }27 defer file.Close()28 doc, err := html.Parse(file)29 if err != nil {30 fmt.Println(err)31 }32 fmt.Println(Span(doc))33}34func Span(n *html.Node) int {35 if n.Type == html.ElementNode && n.Data == "span" {36 }37 for c := n.FirstChild; c != nil; c = c.NextSibling {38 count += Span(c)39 }40}41import (42func main() {43 file, err := os.Open("1.html")44 if err != nil {45 fmt.Println(err)46 }47 defer file.Close()48 doc, err := html.Parse(file)49 if err != nil {50 fmt.Println(err)51 }52 fmt.Println(Span(doc))53}54func Span(n *html.Node) int {55 if n.Type == html.ElementNode && n.Data == "span" {56 }57 for c := n.FirstChild; c != nil; c = c.NextSibling {58 count += Span(c)59 }

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1import (2func main() {3 if err != nil {4 fmt.Println(err)5 }6 defer resp.Body.Close()7 doc, err := html.Parse(resp.Body)8 if err != nil {9 fmt.Println(err)10 }11 nodes := ElementByID(doc, "footer")12 fmt.Println(nodes)13}14func ElementByID(doc *html.Node, id string) *html.Node {15 return forEachNode(doc, id, startElement, endElement)16}17func forEachNode(n *html.Node, id string, pre, post func(n *html.Node, id string) bool) *html.Node {18 if pre != nil {19 if pre(n, id) {20 }21 }22 for c := n.FirstChild; c != nil; c = c.NextSibling {23 if forEachNode(c, id, pre, post) != nil {24 }25 }26 if post != nil {27 if post(n, id) {28 }29 }30}31func startElement(n *html.Node, id string) bool {32 if n.Type == html.ElementNode {33 for _, a := range n.Attr {34 if a.Key == "id" && a.Val == id {35 }36 }37 }38}39func endElement(n *html.Node, id string) bool {40}41import (42func main() {43 if err != nil {44 fmt.Println(err)45 }46 defer resp.Body.Close()47 doc, err := html.Parse(resp.Body)48 if err != nil {49 fmt.Println(err)50 }51 nodes := ElementsByTagName(doc, "span", "footer")52 fmt.Println(nodes)53}54func ElementsByTagName(doc *html.Node, name ...string) []*html.Node {55 return forEachNode(doc, name, startElement, endElement)56}57func forEachNode(n *html.Node, name []string, pre, post func(n *html.Node, name []string) bool) []*html.Node {

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1import (2func main() {3 b, err := ioutil.ReadFile("index.html")4 if err != nil {5 log.Fatal(err)6 }7 html := string(b)8 doc, err := html.Parse(strings.NewReader(html))9 if err != nil {10 log.Fatal(err)11 }12 fmt.Println(getText(doc))13}14func getText(n *html.Node) string {15 if n.Type == html.TextNode {16 }17 if n.Type == html.ElementNode && n.Data == "span" {18 }19 for c := n.FirstChild; c != nil; c = c.NextSibling {20 if text := getText(c); text != "" {21 }22 }23}24import (25func main() {26 b, err := ioutil.ReadFile("index.html")27 if err != nil {28 log.Fatal(err)29 }30 html := string(b)31 doc, err := html.Parse(strings.NewReader(html))32 if err != nil {33 log.Fatal(err)34 }35 fmt.Println(getText(doc))36}37func getText(n *html.Node) string {38 if n.Type == html.TextNode {39 }40 if n.Type == html.ElementNode && n.Data == "span" {41 }42 for c := n.FirstChild; c != nil; c = c.NextSibling {43 if text := getText(c); text != "" {44 }45 }46}47import (

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1import (2func main() {3 resp, err := http.Get(url)4 if err != nil {5 log.Fatal(err)6 }7 defer resp.Body.Close()8 body, err := ioutil.ReadAll(resp.Body)9 if err != nil {10 log.Fatal(err)11 }12 doc, err := html.Parse(strings.NewReader(string(body)))13 if err != nil {14 log.Fatal(err)15 }16 fmt.Println(htmlquery.InnerText(span))17}

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1import (2func main() {3 r := strings.NewReader(htmlCode)4 doc, err := html.Parse(r)5 if err != nil {6 fmt.Fprintf(os.Stderr, "findlinks1: %v7 os.Exit(1)8 }9 span(doc)10}11func span(n *html.Node) {12 if n.Type == html.ElementNode && n.Data == "span" {13 fmt.Println(n.Data)14 }15 for c := n.FirstChild; c != nil; c = c.NextSibling {16 span(c)17 }18}19How to parse HTML using Go (Part 2)20How to parse HTML using Go (Part 3)21How to parse HTML using Go (Part 4)22How to parse HTML using Go (Part 5)23How to parse HTML using Go (Part 6)24How to parse HTML using Go (Part 7)25How to parse HTML using Go (Part 8)26How to parse HTML using Go (Part 9)27How to parse HTML using Go (Part 10)28How to parse HTML using Go (Part 11)29How to parse HTML using Go (Part 12)30How to parse HTML using Go (Part 13)31How to parse HTML using Go (Part 14)

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1import (2func main() {3 if err != nil {4 log.Fatal(err)5 }6 defer resp.Body.Close()7 body, err := ioutil.ReadAll(resp.Body)8 if err != nil {9 log.Fatal(err)10 }11 r := strings.NewReader(string(body))12 doc, err := html.Parse(r)13 if err != nil {14 log.Fatal(err)15 }16 var f func(*html.Node)17 f = func(n *html.Node) {18 if n.Type == html.ElementNode && n.Data == "span" {19 fmt.Println(n.Data)20 }21 for c := n.FirstChild; c != nil; c = c.NextSibling {22 f(c)23 }24 }25 f(doc)26}

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1import (2func main() {3 if err != nil {4 log.Fatal(err)5 }6 defer res.Body.Close()7 doc, err := goquery.NewDocumentFromReader(res.Body)8 if err != nil {9 log.Fatal(err)10 }11 doc.Find("span").Each(func(i int, s *goquery.Selection) {12 band := strings.TrimSpace(s.Text())13 fmt.Printf("Review %d: %s\n", i, band)14 })15}

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