How to use Encoding method of html Package

Best K6 code snippet using html.Encoding

charset.go

Source:charset.go Github

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...23// name. It returns nil and the empty string if label is not one of the24// standard encodings for HTML. Matching is case-insensitive and ignores25// leading and trailing whitespace. Encoders will use HTML escape sequences for26// runes that are not supported by the character set.27func Lookup(label string) (e encoding.Encoding, name string) {28 e, err := htmlindex.Get(label)29 if err != nil {30 return nil, ""31 }32 name, _ = htmlindex.Name(e)33 return &htmlEncoding{e}, name34}35type htmlEncoding struct{ encoding.Encoding }36func (h *htmlEncoding) NewEncoder() *encoding.Encoder {37 // HTML requires a non-terminating legacy encoder. We use HTML escapes to38 // substitute unsupported code points.39 return encoding.HTMLEscapeUnsupported(h.Encoding.NewEncoder())40}41// DetermineEncoding determines the encoding of an HTML document by examining42// up to the first 1024 bytes of content and the declared Content-Type.43//44// See http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#determining-the-character-encoding45func DetermineEncoding(content []byte, contentType string) (e encoding.Encoding, name string, certain bool) {46 if len(content) > 1024 {47 content = content[:1024]48 }49 for _, b := range boms {50 if bytes.HasPrefix(content, b.bom) {51 e, name = Lookup(b.enc)52 return e, name, true53 }54 }55 if _, params, err := mime.ParseMediaType(contentType); err == nil {56 if cs, ok := params["charset"]; ok {57 if e, name = Lookup(cs); e != nil {58 return e, name, true59 }60 }61 }62 if len(content) > 0 {63 e, name = prescan(content)64 if e != nil {65 return e, name, false66 }67 }68 // Try to detect UTF-8.69 // First eliminate any partial rune at the end.70 for i := len(content) - 1; i >= 0 && i > len(content)-4; i-- {71 b := content[i]72 if b < 0x80 {73 break74 }75 if utf8.RuneStart(b) {76 content = content[:i]77 break78 }79 }80 hasHighBit := false81 for _, c := range content {82 if c >= 0x80 {83 hasHighBit = true84 break85 }86 }87 if hasHighBit && utf8.Valid(content) {88 return encoding.Nop, "utf-8", false89 }90 // TODO: change default depending on user's locale?91 return charmap.Windows1252, "windows-1252", false92}93// NewReader returns an io.Reader that converts the content of r to UTF-8.94// It calls DetermineEncoding to find out what r's encoding is.95func NewReader(r io.Reader, contentType string) (io.Reader, error) {96 preview := make([]byte, 1024)97 n, err := io.ReadFull(r, preview)98 switch {99 case err == io.ErrUnexpectedEOF:100 preview = preview[:n]101 r = bytes.NewReader(preview)102 case err != nil:103 return nil, err104 default:105 r = io.MultiReader(bytes.NewReader(preview), r)106 }107 if e, _, _ := DetermineEncoding(preview, contentType); e != encoding.Nop {108 r = transform.NewReader(r, e.NewDecoder())109 }110 return r, nil111}112// NewReaderLabel returns a reader that converts from the specified charset to113// UTF-8. It uses Lookup to find the encoding that corresponds to label, and114// returns an error if Lookup returns nil. It is suitable for use as115// encoding/xml.Decoder's CharsetReader function.116func NewReaderLabel(label string, input io.Reader) (io.Reader, error) {117 e, _ := Lookup(label)118 if e == nil {119 return nil, fmt.Errorf("unsupported charset: %q", label)120 }121 return transform.NewReader(input, e.NewDecoder()), nil122}123func prescan(content []byte) (e encoding.Encoding, name string) {124 z := html.NewTokenizer(bytes.NewReader(content))125 for {126 switch z.Next() {127 case html.ErrorToken:128 return nil, ""129 case html.StartTagToken, html.SelfClosingTagToken:130 tagName, hasAttr := z.TagName()131 if !bytes.Equal(tagName, []byte("meta")) {132 continue133 }134 attrList := make(map[string]bool)135 gotPragma := false136 const (137 dontKnow = iota...

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Encoding

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))8}9import (10func main() {11 fmt.Println(html.EscapeString("This is \"HTML\""))12}13import (14func main() {15 fmt.Println(html.UnescapeString("This is &quot;HTML&quot;"))16}17import (18func main() {19 fmt.Println(html.EscapeString("This is & HTML"))20}21import (22func main() {23 fmt.Println(html.UnescapeString("This is &amp; HTML"))24}25import (26func main() {27 fmt.Println(html.EscapeString("This is <b>HTML</b>"))28}29import (30func main() {31 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))32}

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Encoding

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1import (2func main() {3}4import (5func main() {6}7import (8func main() {9 data := []byte("This is hex")10}11import (12func main() {13 data, _ := hex.DecodeString("5468697320697320686578")14}15import (16func main() {17 data := []byte("This is base64")18}19import (20func main() {21 data, _ := base64.StdEncoding.DecodeString("VGhpcyBpcyBiYXNlNjQ=")22}23import (24func main() {25 data := []byte("This is base64")26}

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Encoding

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))8}9import (10func main() {11 fmt.Println(html.EscapeString("This is <b>HTML</b>"))12}13import (14func main() {15 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))16}17import (18func main() {19 fmt.Println(html.EscapeString("This is <b>HTML</b>"))20}21import (22func main() {23 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))24}25import (26func main() {27 fmt.Println(html.EscapeString("This is <b>HTML</b>"))28}29import (30func main() {31 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))32}33import (34func main() {35 fmt.Println(html.EscapeString("This is <b>HTML</b>"))36}

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Encoding

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))8}9import (10func main() {11 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))12}

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Encoding

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1import (2func main() {3 fmt.Println(html.EscapeString(str))4}5import (6func main() {7 str := "This string contains &lt;b&gt;HTML&lt;/b&gt; elements"8 fmt.Println(html.UnescapeString(str))9}10import (11func main() {12 str := "This string contains &lt;b&gt;HTML&lt;/b&gt; elements"13 fmt.Println(html.UnescapeString(str))14}15import (16func main() {17 str := "This string contains &lt;b&gt;HTML&lt;/b&gt; elements"18 fmt.Println(html.QueryEscape(str))19}20import (21func main() {22 fmt.Println(html.QueryUnescape(str))23}24import (25func main() {26 fmt.Println(html.EscapeString(str))27}

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Encoding

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1import (2func main() {3 fmt.Println(html.EscapeString(str))4}5&lt;h1&gt;Hello, World!&lt;/h1&gt;6DecodeString() Method7func DecodeString(s string) string8import (9func main() {10 var str string = "&lt;h1&gt;Hello, World!&lt;/h1&gt;"11 fmt.Println(html.UnescapeString(str))12}

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Encoding

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1import (2func main() {3 fmt.Println(html.EscapeString(str))4}5import (6func main() {7 fmt.Println(html.UnescapeString(str))8}9import (10func main() {11 fmt.Println(html.IsBooleanAttr("disabled"))12 fmt.Println(html.IsBooleanAttr("href"))13}14import (15func main() {16 fmt.Println(html.IsNonClosingElement("p"))17 fmt.Println(html.IsNonClosingElement("img"))18}19import (20func main() {21 fmt.Println(html.ParseComment(str))22}23import (24func main() {25 fmt.Println(html.ParseHTML(str))26}27import (28func main() {29 fmt.Println(html.ParseMetaTag(str))30}31import (32func main() {33 fmt.Println(html.ParseOption(str))34}

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Encoding

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1import (2func main() {3 fmt.Println(html.EscapeString("<html>"))4 fmt.Println(html.EscapeString("<script>"))5 fmt.Println(html.EscapeString("<body>"))6 fmt.Println(html.EscapeString("<head>"))7 fmt.Println(html.EscapeString("<title>"))8 fmt.Println(html.EscapeString("<p>"))9 fmt.Println(html.EscapeString("<a>"))10 fmt.Println(html.EscapeString("<b>"))11 fmt.Println(html.EscapeString("<i>"))12 fmt.Println(html.EscapeString("<u>"))13 fmt.Println(html.EscapeString("<br>"))14 fmt.Println(html.EscapeString("<div>"))15 fmt.Println(html.EscapeString("<span>"))16 fmt.Println(html.EscapeString("<h1>"))17 fmt.Println(html.EscapeString("<h2>"))18 fmt.Println(html.EscapeString("<h3>"))19 fmt.Println(html.EscapeString("<h4>"))20 fmt.Println(html.EscapeString("<h5>"))21 fmt.Println(html.EscapeString("<h6>"))22 fmt.Println(html.EscapeString("<table>"))23 fmt.Println(html.EscapeString("<tr>"))24 fmt.Println(html.EscapeString("<th>"))25 fmt.Println(html.EscapeString("<td>"))26 fmt.Println(html.EscapeString("<style>"))27 fmt.Println(html.EscapeString("<form>"))28 fmt.Println(html.EscapeString("<input>"))29 fmt.Println(html.EscapeString("<select>"))30 fmt.Println(html.EscapeString("<option>"))31 fmt.Println(html.EscapeString("<textarea>"))32 fmt.Println(html.EscapeString("<button>"))33 fmt.Println(html.EscapeString("<img>"))34 fmt.Println(html.EscapeString("<iframe>"))35 fmt.Println(html.EscapeString("<frame>"))36 fmt.Println(html.EscapeString("<frameset>"))37 fmt.Println(html.EscapeString("<canvas>"))38 fmt.Println(html.EscapeString("<audio>"))39 fmt.Println(html.EscapeString("<video>"))40 fmt.Println(html.EscapeString("<object>"))41 fmt.Println(html.EscapeString("<embed>"))42 fmt.Println(html.EscapeString("<applet>"))43 fmt.Println(html.EscapeString("<param>"))44 fmt.Println(html.EscapeString("<base>"))45 fmt.Println(html.EscapeString("<basefont>"))46 fmt.Println(html.EscapeString("<meta>"))47 fmt.Println(html.EscapeString("<link>"))48 fmt.Println(html.EscapeString("<area>

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Encoding

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1import (2func main() {3 s = html.EscapeString(s)4 fmt.Println(s)5}6&lt;h1&gt;hello world&lt;/h1&gt;7import (8func main() {9 s := "&lt;h1&gt;hello world&lt;/h1&gt;"10 s = html.UnescapeString(s)11 fmt.Println(s)12}13import (14func main() {15 s = html.EscapeString(s)16 fmt.Println(s)17}18&lt;h1&gt;hello world&lt;/h1&gt;19import (20func main() {21 s = html.EscapeString(s)22 fmt.Println(s)23}24&lt;h1&gt;hello world&lt;/h1&gt;25import (26func main() {

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