mirror of
https://github.com/go-gitea/gitea
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79494047b0
* Show commit status icon in commits table * Add comments * Fix icons * Few more places where commit table is displayed * Change integration test to use goquery for parsing html * Add integration tests for commit table and status icons * Fix status to return lates status correctly on all databases * Rewrote lates commit status selects
275 lines
6.4 KiB
Go
275 lines
6.4 KiB
Go
package goquery
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import (
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"bytes"
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"regexp"
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"strings"
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"golang.org/x/net/html"
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)
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var rxClassTrim = regexp.MustCompile("[\t\r\n]")
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// Attr gets the specified attribute's value for the first element in the
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// Selection. To get the value for each element individually, use a looping
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// construct such as Each or Map method.
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func (s *Selection) Attr(attrName string) (val string, exists bool) {
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if len(s.Nodes) == 0 {
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return
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}
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return getAttributeValue(attrName, s.Nodes[0])
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}
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// AttrOr works like Attr but returns default value if attribute is not present.
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func (s *Selection) AttrOr(attrName, defaultValue string) string {
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if len(s.Nodes) == 0 {
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return defaultValue
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}
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val, exists := getAttributeValue(attrName, s.Nodes[0])
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if !exists {
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return defaultValue
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}
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return val
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}
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// RemoveAttr removes the named attribute from each element in the set of matched elements.
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func (s *Selection) RemoveAttr(attrName string) *Selection {
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for _, n := range s.Nodes {
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removeAttr(n, attrName)
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}
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return s
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}
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// SetAttr sets the given attribute on each element in the set of matched elements.
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func (s *Selection) SetAttr(attrName, val string) *Selection {
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for _, n := range s.Nodes {
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attr := getAttributePtr(attrName, n)
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if attr == nil {
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n.Attr = append(n.Attr, html.Attribute{Key: attrName, Val: val})
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} else {
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attr.Val = val
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}
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}
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return s
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}
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// Text gets the combined text contents of each element in the set of matched
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// elements, including their descendants.
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func (s *Selection) Text() string {
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var buf bytes.Buffer
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// Slightly optimized vs calling Each: no single selection object created
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var f func(*html.Node)
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f = func(n *html.Node) {
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if n.Type == html.TextNode {
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// Keep newlines and spaces, like jQuery
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buf.WriteString(n.Data)
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}
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if n.FirstChild != nil {
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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f(c)
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}
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}
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}
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for _, n := range s.Nodes {
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f(n)
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}
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return buf.String()
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}
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// Size is an alias for Length.
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func (s *Selection) Size() int {
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return s.Length()
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}
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// Length returns the number of elements in the Selection object.
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func (s *Selection) Length() int {
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return len(s.Nodes)
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}
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// Html gets the HTML contents of the first element in the set of matched
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// elements. It includes text and comment nodes.
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func (s *Selection) Html() (ret string, e error) {
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// Since there is no .innerHtml, the HTML content must be re-created from
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// the nodes using html.Render.
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var buf bytes.Buffer
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if len(s.Nodes) > 0 {
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for c := s.Nodes[0].FirstChild; c != nil; c = c.NextSibling {
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e = html.Render(&buf, c)
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if e != nil {
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return
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}
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}
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ret = buf.String()
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}
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return
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}
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// AddClass adds the given class(es) to each element in the set of matched elements.
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// Multiple class names can be specified, separated by a space or via multiple arguments.
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func (s *Selection) AddClass(class ...string) *Selection {
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classStr := strings.TrimSpace(strings.Join(class, " "))
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if classStr == "" {
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return s
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}
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tcls := getClassesSlice(classStr)
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for _, n := range s.Nodes {
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curClasses, attr := getClassesAndAttr(n, true)
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for _, newClass := range tcls {
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if !strings.Contains(curClasses, " "+newClass+" ") {
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curClasses += newClass + " "
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}
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}
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setClasses(n, attr, curClasses)
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}
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return s
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}
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// HasClass determines whether any of the matched elements are assigned the
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// given class.
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func (s *Selection) HasClass(class string) bool {
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class = " " + class + " "
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for _, n := range s.Nodes {
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classes, _ := getClassesAndAttr(n, false)
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if strings.Contains(classes, class) {
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return true
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}
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}
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return false
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}
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// RemoveClass removes the given class(es) from each element in the set of matched elements.
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// Multiple class names can be specified, separated by a space or via multiple arguments.
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// If no class name is provided, all classes are removed.
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func (s *Selection) RemoveClass(class ...string) *Selection {
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var rclasses []string
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classStr := strings.TrimSpace(strings.Join(class, " "))
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remove := classStr == ""
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if !remove {
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rclasses = getClassesSlice(classStr)
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}
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for _, n := range s.Nodes {
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if remove {
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removeAttr(n, "class")
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} else {
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classes, attr := getClassesAndAttr(n, true)
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for _, rcl := range rclasses {
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classes = strings.Replace(classes, " "+rcl+" ", " ", -1)
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}
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setClasses(n, attr, classes)
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}
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}
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return s
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}
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// ToggleClass adds or removes the given class(es) for each element in the set of matched elements.
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// Multiple class names can be specified, separated by a space or via multiple arguments.
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func (s *Selection) ToggleClass(class ...string) *Selection {
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classStr := strings.TrimSpace(strings.Join(class, " "))
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if classStr == "" {
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return s
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}
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tcls := getClassesSlice(classStr)
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for _, n := range s.Nodes {
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classes, attr := getClassesAndAttr(n, true)
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for _, tcl := range tcls {
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if strings.Contains(classes, " "+tcl+" ") {
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classes = strings.Replace(classes, " "+tcl+" ", " ", -1)
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} else {
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classes += tcl + " "
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}
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}
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setClasses(n, attr, classes)
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}
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return s
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}
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func getAttributePtr(attrName string, n *html.Node) *html.Attribute {
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if n == nil {
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return nil
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}
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for i, a := range n.Attr {
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if a.Key == attrName {
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return &n.Attr[i]
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}
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}
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return nil
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}
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// Private function to get the specified attribute's value from a node.
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func getAttributeValue(attrName string, n *html.Node) (val string, exists bool) {
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if a := getAttributePtr(attrName, n); a != nil {
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val = a.Val
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exists = true
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}
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return
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}
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// Get and normalize the "class" attribute from the node.
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func getClassesAndAttr(n *html.Node, create bool) (classes string, attr *html.Attribute) {
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// Applies only to element nodes
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if n.Type == html.ElementNode {
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attr = getAttributePtr("class", n)
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if attr == nil && create {
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n.Attr = append(n.Attr, html.Attribute{
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Key: "class",
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Val: "",
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})
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attr = &n.Attr[len(n.Attr)-1]
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}
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}
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if attr == nil {
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classes = " "
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} else {
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classes = rxClassTrim.ReplaceAllString(" "+attr.Val+" ", " ")
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}
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return
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}
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func getClassesSlice(classes string) []string {
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return strings.Split(rxClassTrim.ReplaceAllString(" "+classes+" ", " "), " ")
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}
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func removeAttr(n *html.Node, attrName string) {
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for i, a := range n.Attr {
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if a.Key == attrName {
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n.Attr[i], n.Attr[len(n.Attr)-1], n.Attr =
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n.Attr[len(n.Attr)-1], html.Attribute{}, n.Attr[:len(n.Attr)-1]
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return
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}
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}
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}
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func setClasses(n *html.Node, attr *html.Attribute, classes string) {
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classes = strings.TrimSpace(classes)
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if classes == "" {
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removeAttr(n, "class")
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return
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}
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attr.Val = classes
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}
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