How to use buildMatcher method of html Package

Best K6 code snippet using html.buildMatcher

html.go

Source:html.go Github

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...47func (s Selection) emptySelection() Selection {48 // Goquery has no direct way to return an empty selection apart from asking for an out of bounds item.49 return s.Eq(s.Size())50}51func (s Selection) buildMatcher(v goja.Value, gojaFn goja.Callable) func(int, *goquery.Selection) bool {52 return func(idx int, sel *goquery.Selection) bool {53 fnRes, fnErr := gojaFn(v, s.rt.ToValue(idx), s.rt.ToValue(sel))54 if fnErr != nil {55 common.Throw(s.rt, fnErr)56 }57 return fnRes.ToBoolean()58 }59}60func (s Selection) varargFnCall(arg interface{},61 strFilter func(string) *goquery.Selection,62 selFilter func(*goquery.Selection) *goquery.Selection,63 nodeFilter func(...*gohtml.Node) *goquery.Selection) Selection {64 switch v := arg.(type) {65 case Selection:66 return Selection{s.rt, selFilter(v.sel), s.URL}67 case string:68 return Selection{s.rt, strFilter(v), s.URL}69 case Element:70 return Selection{s.rt, nodeFilter(v.node), s.URL}71 case goja.Value:72 return s.varargFnCall(v.Export(), strFilter, selFilter, nodeFilter)73 default:74 errmsg := fmt.Sprintf("Invalid argument: Cannot use a %T as a selector", arg)75 panic(s.rt.NewGoError(errors.New(errmsg)))76 }77}78func (s Selection) adjacent(unfiltered func() *goquery.Selection,79 filtered func(string) *goquery.Selection,80 def ...string) Selection {81 if len(def) > 0 {82 return Selection{s.rt, filtered(def[0]), s.URL}83 }84 return Selection{s.rt, unfiltered(), s.URL}85}86func (s Selection) adjacentUntil(until func(string) *goquery.Selection,87 untilSelection func(*goquery.Selection) *goquery.Selection,88 filteredUntil func(string, string) *goquery.Selection,89 filteredUntilSelection func(string, *goquery.Selection) *goquery.Selection,90 def ...goja.Value) Selection {91 switch len(def) {92 case 0:93 return Selection{s.rt, until(""), s.URL}94 case 1:95 switch selector := def[0].Export().(type) {96 case string:97 return Selection{s.rt, until(selector), s.URL}98 case Selection:99 return Selection{s.rt, untilSelection(selector.sel), s.URL}100 case nil:101 return Selection{s.rt, until(""), s.URL}102 }103 case 2:104 filter := def[1].String()105 switch selector := def[0].Export().(type) {106 case string:107 return Selection{s.rt, filteredUntil(filter, selector), s.URL}108 case Selection:109 return Selection{s.rt, filteredUntilSelection(filter, selector.sel), s.URL}110 case nil:111 return Selection{s.rt, filteredUntil(filter, ""), s.URL}112 }113 }114 errmsg := fmt.Sprintf("Invalid argument: Cannot use a %T as a selector", def[0].Export())115 panic(s.rt.NewGoError(errors.New(errmsg)))116}117func (s Selection) Add(arg interface{}) Selection {118 return s.varargFnCall(arg, s.sel.Add, s.sel.AddSelection, s.sel.AddNodes)119}120func (s Selection) Find(arg interface{}) Selection {121 return s.varargFnCall(arg, s.sel.Find, s.sel.FindSelection, s.sel.FindNodes)122}123func (s Selection) Closest(arg interface{}) Selection {124 return s.varargFnCall(arg, s.sel.Closest, s.sel.ClosestSelection, s.sel.ClosestNodes)125}126func (s Selection) Has(arg interface{}) Selection {127 return s.varargFnCall(arg, s.sel.Has, s.sel.HasSelection, s.sel.HasNodes)128}129func (s Selection) Not(v goja.Value) Selection {130 gojaFn, isFn := goja.AssertFunction(v)131 if !isFn {132 return s.varargFnCall(v, s.sel.Not, s.sel.NotSelection, s.sel.NotNodes)133 }134 return Selection{s.rt, s.sel.NotFunction(s.buildMatcher(v, gojaFn)), s.URL}135}136func (s Selection) Next(def ...string) Selection {137 return s.adjacent(s.sel.Next, s.sel.NextFiltered, def...)138}139func (s Selection) NextAll(def ...string) Selection {140 return s.adjacent(s.sel.NextAll, s.sel.NextAllFiltered, def...)141}142func (s Selection) Prev(def ...string) Selection {143 return s.adjacent(s.sel.Prev, s.sel.PrevFiltered, def...)144}145func (s Selection) PrevAll(def ...string) Selection {146 return s.adjacent(s.sel.PrevAll, s.sel.PrevAllFiltered, def...)147}148func (s Selection) Parent(def ...string) Selection {149 return s.adjacent(s.sel.Parent, s.sel.ParentFiltered, def...)150}151func (s Selection) Parents(def ...string) Selection {152 return s.adjacent(s.sel.Parents, s.sel.ParentsFiltered, def...)153}154func (s Selection) Siblings(def ...string) Selection {155 return s.adjacent(s.sel.Siblings, s.sel.SiblingsFiltered, def...)156}157// prevUntil, nextUntil and parentsUntil support two arguments with mutable type.158// 1st argument is the selector. Either a selector string, a Selection object, or nil159// 2nd argument is the filter. Either a selector string or nil/undefined160func (s Selection) PrevUntil(def ...goja.Value) Selection {161 return s.adjacentUntil(162 s.sel.PrevUntil,163 s.sel.PrevUntilSelection,164 s.sel.PrevFilteredUntil,165 s.sel.PrevFilteredUntilSelection,166 def...,167 )168}169func (s Selection) NextUntil(def ...goja.Value) Selection {170 return s.adjacentUntil(171 s.sel.NextUntil,172 s.sel.NextUntilSelection,173 s.sel.NextFilteredUntil,174 s.sel.NextFilteredUntilSelection,175 def...,176 )177}178func (s Selection) ParentsUntil(def ...goja.Value) Selection {179 return s.adjacentUntil(180 s.sel.ParentsUntil,181 s.sel.ParentsUntilSelection,182 s.sel.ParentsFilteredUntil,183 s.sel.ParentsFilteredUntilSelection,184 def...,185 )186}187func (s Selection) Size() int {188 return s.sel.Length()189}190func (s Selection) End() Selection {191 return Selection{s.rt, s.sel.End(), s.URL}192}193func (s Selection) Eq(idx int) Selection {194 return Selection{s.rt, s.sel.Eq(idx), s.URL}195}196func (s Selection) First() Selection {197 return Selection{s.rt, s.sel.First(), s.URL}198}199func (s Selection) Last() Selection {200 return Selection{s.rt, s.sel.Last(), s.URL}201}202func (s Selection) Contents() Selection {203 return Selection{s.rt, s.sel.Contents(), s.URL}204}205func (s Selection) Text() string {206 return s.sel.Text()207}208func (s Selection) Attr(name string, def ...goja.Value) goja.Value {209 val, exists := s.sel.Attr(name)210 if !exists {211 if len(def) > 0 {212 return def[0]213 }214 return goja.Undefined()215 }216 return s.rt.ToValue(val)217}218func (s Selection) Html() goja.Value {219 val, err := s.sel.Html()220 if err != nil {221 return goja.Undefined()222 }223 return s.rt.ToValue(val)224}225// nolint: goconst226func (s Selection) Val() goja.Value {227 switch goquery.NodeName(s.sel) {228 case InputTagName:229 val, exists := s.sel.Attr("value")230 if !exists {231 inputType, _ := s.sel.Attr("type")232 if inputType == "radio" || inputType == "checkbox" {233 val = "on"234 } else {235 val = ""236 }237 }238 return s.rt.ToValue(val)239 case ButtonTagName:240 val, exists := s.sel.Attr("value")241 if !exists {242 val = ""243 }244 return s.rt.ToValue(val)245 case TextAreaTagName:246 return s.Html()247 case OptionTagName:248 return s.rt.ToValue(valueOrHTML(s.sel))249 case SelectTagName:250 selected := s.sel.First().Find("option[selected]")251 if _, exists := s.sel.Attr("multiple"); exists {252 return s.rt.ToValue(selected.Map(func(idx int, opt *goquery.Selection) string { return valueOrHTML(opt) }))253 }254 return s.rt.ToValue(valueOrHTML(selected))255 default:256 return goja.Undefined()257 }258}259func (s Selection) Children(def ...string) Selection {260 if len(def) == 0 {261 return Selection{s.rt, s.sel.Children(), s.URL}262 }263 return Selection{s.rt, s.sel.ChildrenFiltered(def[0]), s.URL}264}265func (s Selection) Each(v goja.Value) Selection {266 gojaFn, isFn := goja.AssertFunction(v)267 if !isFn {268 common.Throw(s.rt, errors.New("Argument to each() must be a function."))269 }270 fn := func(idx int, sel *goquery.Selection) {271 if _, err := gojaFn(v, s.rt.ToValue(idx), selToElement(Selection{s.rt, s.sel.Eq(idx), s.URL})); err != nil {272 common.Throw(s.rt, errors.Wrap(err, "Function passed to each() failed."))273 }274 }275 return Selection{s.rt, s.sel.Each(fn), s.URL}276}277func (s Selection) Filter(v goja.Value) Selection {278 switch val := v.Export().(type) {279 case string:280 return Selection{s.rt, s.sel.Filter(val), s.URL}281 case Selection:282 return Selection{s.rt, s.sel.FilterSelection(val.sel), s.URL}283 }284 gojaFn, isFn := goja.AssertFunction(v)285 if !isFn {286 common.Throw(s.rt, errors.New("Argument to filter() must be a function, a selector or a selection"))287 }288 return Selection{s.rt, s.sel.FilterFunction(s.buildMatcher(v, gojaFn)), s.URL}289}290func (s Selection) Is(v goja.Value) bool {291 switch val := v.Export().(type) {292 case string:293 return s.sel.Is(val)294 case Selection:295 return s.sel.IsSelection(val.sel)296 default:297 gojaFn, isFn := goja.AssertFunction(v)298 if !isFn {299 common.Throw(s.rt, errors.New("Argument to is() must be a function, a selector or a selection"))300 }301 return s.sel.IsFunction(s.buildMatcher(v, gojaFn))302 }303}304// Map implements ES5 Array.prototype.map305func (s Selection) Map(v goja.Value) []string {306 gojaFn, isFn := goja.AssertFunction(v)307 if !isFn {308 common.Throw(s.rt, errors.New("Argument to map() must be a function"))309 }310 fn := func(idx int, sel *goquery.Selection) string {311 selection := &Selection{sel: sel, URL: s.URL, rt: s.rt}312 if fnRes, fnErr := gojaFn(v, s.rt.ToValue(idx), s.rt.ToValue(selection)); fnErr == nil {313 return fnRes.String()314 }315 return ""...

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matcher_test.go

Source:matcher_test.go Github

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...64 tests := []struct {65 title string66 pathRaw string67 pathToMatch string68 buildMatcher func(string) Matcher69 }{70 {71 title: "Path noraml matcher ",72 pathToMatch: "/api/echo",73 pathRaw: "/api/echo",74 buildMatcher: func(path string) Matcher {75 return pathMatcher(path)76 },77 },78 {79 title: "Path vars matcher (one number var segment)",80 pathToMatch: "/user/:number",81 pathRaw: "/user/1",82 buildMatcher: func(path string) Matcher {83 return newPathWithVarsMatcher(path)84 },85 },86 {87 title: "Path vars matcher (two number var segments)",88 pathToMatch: "/user/:number/comment/:number",89 pathRaw: "/user/1/comment/99",90 buildMatcher: func(path string) Matcher {91 return newPathWithVarsMatcher(path)92 },93 },94 {95 title: "Path vars matcher (two string var segments)",96 pathToMatch: "/article/:string",97 pathRaw: "/article/golang",98 buildMatcher: func(path string) Matcher {99 return newPathWithVarsMatcher(path)100 },101 },102 {103 title: "Path vars matcher (one number and one string var segment)",104 pathToMatch: "/article/:string/comment/:number/subcomment/:number",105 pathRaw: "/article/golang/comment/4/subcomment/5",106 buildMatcher: func(path string) Matcher {107 return newPathWithVarsMatcher(path)108 },109 },110 {111 title: "Path vars matcher (many number var segments)",112 pathToMatch: "/:number/:number/:number/:number/:number/:number/:number/:number/:number/:number",113 pathRaw: "/1/1/1/1/1/1/1/1/1/1",114 buildMatcher: func(path string) Matcher {115 return newPathWithVarsMatcher(path)116 },117 },118 {119 title: "Path vars matcher (many number and string var segments)",120 pathToMatch: "/:string/:number/:string/:number/:string/:number/:string/:number/:string/:number",121 pathRaw: "/dummy/1/dummy/1/dummy/1/dummy/1/dummy/1",122 buildMatcher: func(path string) Matcher {123 return newPathWithVarsMatcher(path)124 },125 },126 {127 title: "Path regex matcher (many regex segments)",128 pathToMatch: "/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}",129 pathRaw: "/dummy/1/dummy/1/dummy/1/dummy/1/dummy/1",130 buildMatcher: func(path string) Matcher {131 return newPathRegexMatcher(path)132 },133 },134 }135 for _, test := range tests {136 t.Run(fmt.Sprintf("Path raw: %s, Path to match %s "+test.title, test.pathRaw, test.pathToMatch), func(t *testing.T) {137 matcher := test.buildMatcher(test.pathToMatch)138 request := &http.Request{139 URL: &url.URL{140 Path: test.pathRaw,141 },142 }143 if !matcher.Match(request) {144 t.Errorf("Unexpected not matched path ")145 }146 })147 }148}149func BenchmarkPathMatchers(b *testing.B) {150 benchmarks := []struct {151 title string152 pathRaw string153 pathToMatch string154 buildMatcher func(string) Matcher155 }{156 {157 title: "Path noraml matcher (2 URL segments)",158 pathToMatch: "/api/echo",159 pathRaw: "/api/echo",160 buildMatcher: func(path string) Matcher {161 return pathMatcher(path)162 },163 },164 {165 title: "Path noraml matcher (7 URL segments)",166 pathToMatch: "/api/user/2/article/4/comment/8",167 pathRaw: "/api/user/2/article/4/comment/8",168 buildMatcher: func(path string) Matcher {169 return pathMatcher(path)170 },171 },172 {173 title: "Path vars matcher (many vars segments)",174 pathToMatch: "/:string/:number/:string/:number/:string/:number/:string/:number/:string/:number",175 pathRaw: "/user/1",176 buildMatcher: func(path string) Matcher {177 return newPathWithVarsMatcher(path)178 },179 },180 {181 title: "Path regex matcher (many regex segments)",182 pathToMatch: "/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}",183 pathRaw: "/dummy/1/dummy/1/dummy/1/dummy/1/dummy/1",184 buildMatcher: func(path string) Matcher {185 return newPathRegexMatcher(path)186 },187 },188 }189 for _, benchmark := range benchmarks {190 matcher := benchmark.buildMatcher(benchmark.pathToMatch)191 request := &http.Request{192 URL: &url.URL{193 Path: benchmark.pathRaw,194 },195 }196 b.Run(benchmark.title, func(b *testing.B) {197 for n := 0; n < b.N; n++ {198 matcher.Match(request)199 }200 })201 }202}203func TestPathMatcherFail(t *testing.T) {204 matcher := pathMatcher("/api/v2")205 request := &http.Request{206 URL: &url.URL{207 Path: "/api/v1",208 },209 }210 if matcher.Match(request) {211 t.Errorf("Unexpected matched path")212 }213}214func TestPathVarsMatcherFail(t *testing.T) {215 matcher := pathMatcher("/api/:number")216 request := &http.Request{217 URL: &url.URL{218 Path: "/api/echo",219 },220 }221 if matcher.Match(request) {222 t.Errorf("Unexpected matched path")223 }224}225func TestHeaderMatcher(t *testing.T) {226 tests := []struct {227 title string228 buildMatcher func(pairs ...string) (Matcher, error)229 buildRequest func() *http.Request230 pairs []string231 }{232 {233 title: "Test header match",234 buildMatcher: func(pairs ...string) (Matcher, error) {235 return newHeaderMatcher(pairs...)236 },237 buildRequest: func() *http.Request {238 request := &http.Request{239 Header: http.Header{},240 }241 request.Header.Add("content-type", "applcation/json")242 return request243 },244 pairs: []string{"content-type", "applcation/json"},245 },246 {247 title: "Test regex header match",248 buildMatcher: func(pairs ...string) (Matcher, error) {249 return newHeaderRegexMatcher(pairs...)250 },251 buildRequest: func() *http.Request {252 request := &http.Request{253 Header: http.Header{},254 }255 request.Header.Add("content-type", "applcation/json")256 return request257 },258 pairs: []string{"content-type", "applcation/(json|html)"},259 },260 }261 for _, test := range tests {262 t.Run(fmt.Sprintf("Test kind: %s", test.title), func(t *testing.T) {263 matcher, err := test.buildMatcher()264 if err != nil {265 t.Errorf("Unexpected error (%s)", err.Error())266 }267 request := test.buildRequest()268 if !matcher.Match(request) {269 t.Errorf("Unexpected not matched (%v)", request.Header)270 }271 })272 }273}274func BenchmarkHeaderMatchers(b *testing.B) {275 buildRequest := func() *http.Request {276 return &http.Request{277 Header: http.Header{},278 }279 }280 tests := []struct {281 title string282 buildMatcher func() Matcher283 }{284 {285 title: "Benchmark: Header matcher (single value)",286 buildMatcher: func() Matcher {287 matcher, _ := newHeaderMatcher("content-type", "applcation/json")288 return matcher289 },290 },291 {292 title: "Benchmark: Header matcher (double value)",293 buildMatcher: func() Matcher {294 matcher, _ := newHeaderMatcher("content-type", "applcation/json")295 return matcher296 },297 },298 {299 title: "Benchmark: Header regex matcher (single value)",300 buildMatcher: func() Matcher {301 matcher, _ := newHeaderRegexMatcher("content-type", "applcation/(json|html)", "accept", "text/(plain|html)")302 return matcher303 },304 },305 {306 title: "Benchmark: Header regex matcher (double value)",307 buildMatcher: func() Matcher {308 matcher, _ := newHeaderRegexMatcher("content-type", "applcation/(json|html)", "accept", "text/(plain|html)")309 return matcher310 },311 },312 }313 for _, test := range tests {314 request := buildRequest()315 populateHeaderWithTestData(request)316 matcher := test.buildMatcher()317 b.Run(test.title, func(b *testing.B) {318 for n := 0; n < b.N; n++ {319 matcher.Match(request)320 }321 })322 }323}324func populateHeaderWithTestData(request *http.Request) {325 headers := map[string][]string{326 "content-type": {327 "applcation/json",328 },329 "accept-charset": {330 "utf-8",...

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buildMatcher

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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, "findlinks2: %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 log.Fatalf("findlinks3: %v52 }53 for _, link := range visit(nil, doc) {54 fmt.Println(link)55 }56}57func visit(links []string, n *html.Node) []string {

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buildMatcher

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

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buildMatcher

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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 links := buildMatcher("a", "href")12 for _, link := range links(doc) {13 fmt.Println(link)14 }15}16import (17func main() {18 if err != nil {19 log.Fatal(err)20 }21 defer resp.Body.Close()22 doc, err := html.Parse(resp.Body)23 if err != nil {24 log.Fatal(err)25 }26 links := buildMatcher("img", "src")27 for _, link := range links(doc) {28 fmt.Println(link)29 }30}31import (32func main() {33 if err != nil {34 log.Fatal(err)35 }36 defer resp.Body.Close()37 doc, err := html.Parse(resp.Body)38 if err != nil {39 log.Fatal(err)40 }41 links := buildMatcher("script", "src")42 for _, link := range links(doc) {43 fmt.Println(link)44 }45}46import (47func main() {48 if err != nil {49 log.Fatal(err)50 }51 defer resp.Body.Close()52 doc, err := html.Parse(resp.Body)53 if err != nil {54 log.Fatal(err)55 }

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1import (2func main() {3 resp, err := http.Get(url)4 if err != nil {5 fmt.Fprintf(os.Stderr, "fetch: %v6 os.Exit(1)7 }8 defer b.Close()9 fmt.Println(b)10}11cannot use resp.Body (type io.ReadCloser) as type io.Reader in argument to html.Parse12import (13func main() {14 resp, err := http.Get(url)15 if err != nil {16 fmt.Fprintf(os.Stderr, "fetch: %v17 os.Exit(1)18 }19 defer b.Close()20 fmt.Println(b)21}

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buildMatcher

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1import (2func main() {3 fmt.Println("Enter the url")4 fmt.Scan(&url)5 fmt.Println("Enter the tag to search")6 fmt.Scan(&tag)7 fmt.Println("Enter the attribute to search")8 fmt.Scan(&attr)9 fmt.Println("Enter the value of the attribute to search")10 fmt.Scan(&value)11 resp, err := http.Get(url)12 if err != nil {13 log.Fatal(err)14 }15 defer resp.Body.Close()16 if resp.StatusCode != http.StatusOK {17 resp.Body.Close()18 log.Fatal(resp.Status)19 }20 doc, err := html.Parse(resp.Body)21 if err != nil {22 log.Fatal(err)23 }24 matcher := buildMatcher(tag, attr, value)25 visit(doc, matcher)26}27func buildMatcher(tag, attr, value string) func(*html.Node) bool {28 return func(n *html.Node) bool {29 if n.Type == html.ElementNode && n.Data == tag {30 for _, a := range n.Attr {31 if a.Key == attr && a.Val == value {32 }33 }34 }35 }36}37func visit(n *html.Node, matcher func(*html.Node) bool) {38 if matcher(n) {39 fmt.Println(n)40 }41 for c := n.FirstChild; c != nil; c = c.NextSibling {42 visit(c, matcher)43 }44}

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buildMatcher

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1import (2func main() {3 matcher := html.BuildMatcher("a")4 fmt.Println(matcher("blah"))5 fmt.Println(matcher("<a>"))6 fmt.Println(matcher("</a>"))7}8import (9func main() {10 matcher := html.BuildMatcher("a")11 fmt.Println(matcher("blah"))12 fmt.Println(matcher("<a>"))13 fmt.Println(matcher("</a>"))14}15import (16func main() {17 matcher := html.BuildMatcher("a")18 fmt.Println(matcher("blah"))19 fmt.Println(matcher("<a>"))20 fmt.Println(matcher("</a>"))21}22import (23func main() {24 matcher := html.BuildMatcher("a")25 fmt.Println(matcher("blah"))26 fmt.Println(matcher("<a>"))27 fmt.Println(matcher("</a>"))28}29import (30func main() {31 matcher := html.BuildMatcher("a")32 fmt.Println(matcher("blah"))33 fmt.Println(matcher("<a>"))34 fmt.Println(matcher("</a>"))35}36import (37func main() {38 matcher := html.BuildMatcher("a")39 fmt.Println(matcher("blah"))

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buildMatcher

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1import (2func main() {3 file, err := os.Open("ex1.html")4 if err != nil {5 panic(err)6 }7 defer file.Close()8 doc, err := html.Parse(file)9 if err != nil {10 panic(err)11 }12 links := html.ParseLinks(doc)13 fmt.Println(links)14}15import (16func main() {17 file, err := os.Open("ex2.html")18 if err != nil {19 panic(err)20 }21 defer file.Close()22 doc, err := html.Parse(file)23 if err != nil {24 panic(err)25 }26 links := html.ParseLinks(doc)27 fmt.Println(links)28}29import (30func main() {31 file, err := os.Open("ex3.html")32 if err != nil {33 panic(err)34 }35 defer file.Close()36 doc, err := html.Parse(file)37 if err != nil {38 panic(err)39 }40 links := html.ParseLinks(doc)41 fmt.Println(links)42}43import (44func main() {45 file, err := os.Open("ex4.html")46 if err != nil {47 panic(err)48 }49 defer file.Close()50 doc, err := html.Parse(file)51 if err != nil {52 panic(err)53 }54 links := html.ParseLinks(doc)55 fmt.Println(links)56}57import (

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1import "fmt"2import "golang.org/x/net/html"3func main() {4 var matcher func(n *html.Node) bool5 matcher = html.NewMatcher("div")6 fmt.Println(matcher)7}8import "fmt"9import "golang.org/x/net/html"10func main() {11 var matcher func(n *html.Node) bool12 matcher = html.NewMatcher("div")13 fmt.Println(matcher)14}15import "fmt"16import "golang.org/x/net/html"17func main() {18 var matcher func(n *html.Node) bool19 matcher = html.NewMatcher("div")20 fmt.Println(matcher)21}22import "fmt"23import "golang.org/x/net/html"24func main() {25 var matcher func(n *html.Node) bool26 matcher = html.NewMatcher("div")27 fmt.Println(matcher)28}29import "fmt"30import "golang.org/x/net/html"31func main() {32 var matcher func(n *html.Node) bool33 matcher = html.NewMatcher("div")34 fmt.Println(matcher)35}36import "fmt"37import "golang.org/x/net/html"38func main() {39 var matcher func(n *html.Node) bool40 matcher = html.NewMatcher("div")41 fmt.Println(matcher)42}43import "fmt"44import "golang.org/x/net/html"45func main() {46 var matcher func(n *html.Node) bool47 matcher = html.NewMatcher("div")48 fmt.Println(matcher)49}

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buildMatcher

Using AI Code Generation

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1import (2func init() {3 search.Register("feed", matchers.FeedMatcher{})4}5func main() {6 search.Run("president")7}8import (9func init() {10 search.Register("feed", matchers.FeedMatcher{})11 search.Register("rss", matchers.RSSMatcher{})12}13func main() {14 search.Run("president")15}16import (17func init() {18 search.Register("feed", matchers.FeedMatcher{})19 search.Register("rss", matchers.RSSMatcher{})20 search.Register("yahoo", matchers.YahooMatcher{})21}22func main() {23 search.Run("president")24}25import (

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Automation Testing Tutorials

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