mirror of
https://github.com/go-gitea/gitea.git
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* 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
699 lines
28 KiB
Go
Vendored
699 lines
28 KiB
Go
Vendored
package goquery
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import "golang.org/x/net/html"
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type siblingType int
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// Sibling type, used internally when iterating over children at the same
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// level (siblings) to specify which nodes are requested.
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const (
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siblingPrevUntil siblingType = iota - 3
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siblingPrevAll
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siblingPrev
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siblingAll
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siblingNext
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siblingNextAll
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siblingNextUntil
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siblingAllIncludingNonElements
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)
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// Find gets the descendants of each element in the current set of matched
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// elements, filtered by a selector. It returns a new Selection object
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// containing these matched elements.
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func (s *Selection) Find(selector string) *Selection {
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return pushStack(s, findWithMatcher(s.Nodes, compileMatcher(selector)))
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}
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// FindMatcher gets the descendants of each element in the current set of matched
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// elements, filtered by the matcher. It returns a new Selection object
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// containing these matched elements.
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func (s *Selection) FindMatcher(m Matcher) *Selection {
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return pushStack(s, findWithMatcher(s.Nodes, m))
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}
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// FindSelection gets the descendants of each element in the current
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// Selection, filtered by a Selection. It returns a new Selection object
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// containing these matched elements.
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func (s *Selection) FindSelection(sel *Selection) *Selection {
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if sel == nil {
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return pushStack(s, nil)
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}
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return s.FindNodes(sel.Nodes...)
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}
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// FindNodes gets the descendants of each element in the current
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// Selection, filtered by some nodes. It returns a new Selection object
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// containing these matched elements.
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func (s *Selection) FindNodes(nodes ...*html.Node) *Selection {
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return pushStack(s, mapNodes(nodes, func(i int, n *html.Node) []*html.Node {
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if sliceContains(s.Nodes, n) {
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return []*html.Node{n}
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}
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return nil
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}))
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}
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// Contents gets the children of each element in the Selection,
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// including text and comment nodes. It returns a new Selection object
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// containing these elements.
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func (s *Selection) Contents() *Selection {
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return pushStack(s, getChildrenNodes(s.Nodes, siblingAllIncludingNonElements))
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}
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// ContentsFiltered gets the children of each element in the Selection,
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// filtered by the specified selector. It returns a new Selection
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// object containing these elements. Since selectors only act on Element nodes,
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// this function is an alias to ChildrenFiltered unless the selector is empty,
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// in which case it is an alias to Contents.
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func (s *Selection) ContentsFiltered(selector string) *Selection {
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if selector != "" {
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return s.ChildrenFiltered(selector)
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}
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return s.Contents()
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}
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// ContentsMatcher gets the children of each element in the Selection,
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// filtered by the specified matcher. It returns a new Selection
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// object containing these elements. Since matchers only act on Element nodes,
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// this function is an alias to ChildrenMatcher.
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func (s *Selection) ContentsMatcher(m Matcher) *Selection {
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return s.ChildrenMatcher(m)
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}
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// Children gets the child elements of each element in the Selection.
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// It returns a new Selection object containing these elements.
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func (s *Selection) Children() *Selection {
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return pushStack(s, getChildrenNodes(s.Nodes, siblingAll))
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}
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// ChildrenFiltered gets the child elements of each element in the Selection,
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// filtered by the specified selector. It returns a new
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// Selection object containing these elements.
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func (s *Selection) ChildrenFiltered(selector string) *Selection {
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return filterAndPush(s, getChildrenNodes(s.Nodes, siblingAll), compileMatcher(selector))
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}
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// ChildrenMatcher gets the child elements of each element in the Selection,
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// filtered by the specified matcher. It returns a new
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// Selection object containing these elements.
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func (s *Selection) ChildrenMatcher(m Matcher) *Selection {
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return filterAndPush(s, getChildrenNodes(s.Nodes, siblingAll), m)
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}
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// Parent gets the parent of each element in the Selection. It returns a
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// new Selection object containing the matched elements.
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func (s *Selection) Parent() *Selection {
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return pushStack(s, getParentNodes(s.Nodes))
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}
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// ParentFiltered gets the parent of each element in the Selection filtered by a
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// selector. It returns a new Selection object containing the matched elements.
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func (s *Selection) ParentFiltered(selector string) *Selection {
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return filterAndPush(s, getParentNodes(s.Nodes), compileMatcher(selector))
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}
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// ParentMatcher gets the parent of each element in the Selection filtered by a
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// matcher. It returns a new Selection object containing the matched elements.
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func (s *Selection) ParentMatcher(m Matcher) *Selection {
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return filterAndPush(s, getParentNodes(s.Nodes), m)
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}
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// Closest gets the first element that matches the selector by testing the
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// element itself and traversing up through its ancestors in the DOM tree.
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func (s *Selection) Closest(selector string) *Selection {
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cs := compileMatcher(selector)
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return s.ClosestMatcher(cs)
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}
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// ClosestMatcher gets the first element that matches the matcher by testing the
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// element itself and traversing up through its ancestors in the DOM tree.
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func (s *Selection) ClosestMatcher(m Matcher) *Selection {
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return pushStack(s, mapNodes(s.Nodes, func(i int, n *html.Node) []*html.Node {
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// For each node in the selection, test the node itself, then each parent
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// until a match is found.
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for ; n != nil; n = n.Parent {
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if m.Match(n) {
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return []*html.Node{n}
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}
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}
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return nil
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}))
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}
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// ClosestNodes gets the first element that matches one of the nodes by testing the
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// element itself and traversing up through its ancestors in the DOM tree.
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func (s *Selection) ClosestNodes(nodes ...*html.Node) *Selection {
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set := make(map[*html.Node]bool)
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for _, n := range nodes {
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set[n] = true
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}
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return pushStack(s, mapNodes(s.Nodes, func(i int, n *html.Node) []*html.Node {
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// For each node in the selection, test the node itself, then each parent
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// until a match is found.
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for ; n != nil; n = n.Parent {
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if set[n] {
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return []*html.Node{n}
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}
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}
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return nil
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}))
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}
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// ClosestSelection gets the first element that matches one of the nodes in the
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// Selection by testing the element itself and traversing up through its ancestors
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// in the DOM tree.
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func (s *Selection) ClosestSelection(sel *Selection) *Selection {
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if sel == nil {
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return pushStack(s, nil)
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}
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return s.ClosestNodes(sel.Nodes...)
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}
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// Parents gets the ancestors of each element in the current Selection. It
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// returns a new Selection object with the matched elements.
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func (s *Selection) Parents() *Selection {
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return pushStack(s, getParentsNodes(s.Nodes, nil, nil))
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}
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// ParentsFiltered gets the ancestors of each element in the current
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// Selection. It returns a new Selection object with the matched elements.
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func (s *Selection) ParentsFiltered(selector string) *Selection {
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return filterAndPush(s, getParentsNodes(s.Nodes, nil, nil), compileMatcher(selector))
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}
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// ParentsMatcher gets the ancestors of each element in the current
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// Selection. It returns a new Selection object with the matched elements.
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func (s *Selection) ParentsMatcher(m Matcher) *Selection {
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return filterAndPush(s, getParentsNodes(s.Nodes, nil, nil), m)
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}
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// ParentsUntil gets the ancestors of each element in the Selection, up to but
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// not including the element matched by the selector. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) ParentsUntil(selector string) *Selection {
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return pushStack(s, getParentsNodes(s.Nodes, compileMatcher(selector), nil))
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}
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// ParentsUntilMatcher gets the ancestors of each element in the Selection, up to but
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// not including the element matched by the matcher. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) ParentsUntilMatcher(m Matcher) *Selection {
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return pushStack(s, getParentsNodes(s.Nodes, m, nil))
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}
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// ParentsUntilSelection gets the ancestors of each element in the Selection,
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// up to but not including the elements in the specified Selection. It returns a
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// new Selection object containing the matched elements.
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func (s *Selection) ParentsUntilSelection(sel *Selection) *Selection {
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if sel == nil {
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return s.Parents()
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}
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return s.ParentsUntilNodes(sel.Nodes...)
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}
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// ParentsUntilNodes gets the ancestors of each element in the Selection,
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// up to but not including the specified nodes. It returns a
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// new Selection object containing the matched elements.
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func (s *Selection) ParentsUntilNodes(nodes ...*html.Node) *Selection {
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return pushStack(s, getParentsNodes(s.Nodes, nil, nodes))
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}
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// ParentsFilteredUntil is like ParentsUntil, with the option to filter the
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// results based on a selector string. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) ParentsFilteredUntil(filterSelector, untilSelector string) *Selection {
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return filterAndPush(s, getParentsNodes(s.Nodes, compileMatcher(untilSelector), nil), compileMatcher(filterSelector))
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}
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// ParentsFilteredUntilMatcher is like ParentsUntilMatcher, with the option to filter the
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// results based on a matcher. It returns a new Selection object containing the matched elements.
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func (s *Selection) ParentsFilteredUntilMatcher(filter, until Matcher) *Selection {
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return filterAndPush(s, getParentsNodes(s.Nodes, until, nil), filter)
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}
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// ParentsFilteredUntilSelection is like ParentsUntilSelection, with the
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// option to filter the results based on a selector string. It returns a new
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// Selection object containing the matched elements.
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func (s *Selection) ParentsFilteredUntilSelection(filterSelector string, sel *Selection) *Selection {
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return s.ParentsMatcherUntilSelection(compileMatcher(filterSelector), sel)
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}
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// ParentsMatcherUntilSelection is like ParentsUntilSelection, with the
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// option to filter the results based on a matcher. It returns a new
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// Selection object containing the matched elements.
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func (s *Selection) ParentsMatcherUntilSelection(filter Matcher, sel *Selection) *Selection {
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if sel == nil {
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return s.ParentsMatcher(filter)
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}
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return s.ParentsMatcherUntilNodes(filter, sel.Nodes...)
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}
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// ParentsFilteredUntilNodes is like ParentsUntilNodes, with the
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// option to filter the results based on a selector string. It returns a new
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// Selection object containing the matched elements.
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func (s *Selection) ParentsFilteredUntilNodes(filterSelector string, nodes ...*html.Node) *Selection {
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return filterAndPush(s, getParentsNodes(s.Nodes, nil, nodes), compileMatcher(filterSelector))
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}
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// ParentsMatcherUntilNodes is like ParentsUntilNodes, with the
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// option to filter the results based on a matcher. It returns a new
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// Selection object containing the matched elements.
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func (s *Selection) ParentsMatcherUntilNodes(filter Matcher, nodes ...*html.Node) *Selection {
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return filterAndPush(s, getParentsNodes(s.Nodes, nil, nodes), filter)
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}
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// Siblings gets the siblings of each element in the Selection. It returns
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// a new Selection object containing the matched elements.
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func (s *Selection) Siblings() *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingAll, nil, nil))
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}
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// SiblingsFiltered gets the siblings of each element in the Selection
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// filtered by a selector. It returns a new Selection object containing the
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// matched elements.
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func (s *Selection) SiblingsFiltered(selector string) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingAll, nil, nil), compileMatcher(selector))
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}
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// SiblingsMatcher gets the siblings of each element in the Selection
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// filtered by a matcher. It returns a new Selection object containing the
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// matched elements.
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func (s *Selection) SiblingsMatcher(m Matcher) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingAll, nil, nil), m)
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}
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// Next gets the immediately following sibling of each element in the
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// Selection. It returns a new Selection object containing the matched elements.
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func (s *Selection) Next() *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingNext, nil, nil))
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}
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// NextFiltered gets the immediately following sibling of each element in the
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// Selection filtered by a selector. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) NextFiltered(selector string) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNext, nil, nil), compileMatcher(selector))
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}
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// NextMatcher gets the immediately following sibling of each element in the
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// Selection filtered by a matcher. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) NextMatcher(m Matcher) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNext, nil, nil), m)
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}
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// NextAll gets all the following siblings of each element in the
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// Selection. It returns a new Selection object containing the matched elements.
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func (s *Selection) NextAll() *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingNextAll, nil, nil))
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}
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// NextAllFiltered gets all the following siblings of each element in the
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// Selection filtered by a selector. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) NextAllFiltered(selector string) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNextAll, nil, nil), compileMatcher(selector))
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}
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// NextAllMatcher gets all the following siblings of each element in the
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// Selection filtered by a matcher. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) NextAllMatcher(m Matcher) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNextAll, nil, nil), m)
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}
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// Prev gets the immediately preceding sibling of each element in the
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// Selection. It returns a new Selection object containing the matched elements.
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func (s *Selection) Prev() *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingPrev, nil, nil))
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}
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// PrevFiltered gets the immediately preceding sibling of each element in the
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// Selection filtered by a selector. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) PrevFiltered(selector string) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrev, nil, nil), compileMatcher(selector))
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}
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// PrevMatcher gets the immediately preceding sibling of each element in the
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// Selection filtered by a matcher. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) PrevMatcher(m Matcher) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrev, nil, nil), m)
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}
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// PrevAll gets all the preceding siblings of each element in the
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// Selection. It returns a new Selection object containing the matched elements.
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func (s *Selection) PrevAll() *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingPrevAll, nil, nil))
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}
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// PrevAllFiltered gets all the preceding siblings of each element in the
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// Selection filtered by a selector. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) PrevAllFiltered(selector string) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrevAll, nil, nil), compileMatcher(selector))
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}
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// PrevAllMatcher gets all the preceding siblings of each element in the
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// Selection filtered by a matcher. It returns a new Selection object
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// containing the matched elements.
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func (s *Selection) PrevAllMatcher(m Matcher) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrevAll, nil, nil), m)
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}
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// NextUntil gets all following siblings of each element up to but not
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// including the element matched by the selector. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) NextUntil(selector string) *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingNextUntil,
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compileMatcher(selector), nil))
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}
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// NextUntilMatcher gets all following siblings of each element up to but not
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// including the element matched by the matcher. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) NextUntilMatcher(m Matcher) *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingNextUntil,
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m, nil))
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}
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// NextUntilSelection gets all following siblings of each element up to but not
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// including the element matched by the Selection. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) NextUntilSelection(sel *Selection) *Selection {
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if sel == nil {
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return s.NextAll()
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}
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return s.NextUntilNodes(sel.Nodes...)
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}
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// NextUntilNodes gets all following siblings of each element up to but not
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// including the element matched by the nodes. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) NextUntilNodes(nodes ...*html.Node) *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingNextUntil,
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nil, nodes))
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}
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// PrevUntil gets all preceding siblings of each element up to but not
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// including the element matched by the selector. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) PrevUntil(selector string) *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
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compileMatcher(selector), nil))
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}
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// PrevUntilMatcher gets all preceding siblings of each element up to but not
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// including the element matched by the matcher. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) PrevUntilMatcher(m Matcher) *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
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m, nil))
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}
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// PrevUntilSelection gets all preceding siblings of each element up to but not
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// including the element matched by the Selection. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) PrevUntilSelection(sel *Selection) *Selection {
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if sel == nil {
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return s.PrevAll()
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}
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return s.PrevUntilNodes(sel.Nodes...)
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}
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// PrevUntilNodes gets all preceding siblings of each element up to but not
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// including the element matched by the nodes. It returns a new Selection
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// object containing the matched elements.
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func (s *Selection) PrevUntilNodes(nodes ...*html.Node) *Selection {
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return pushStack(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
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nil, nodes))
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}
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// NextFilteredUntil is like NextUntil, with the option to filter
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// the results based on a selector string.
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// It returns a new Selection object containing the matched elements.
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func (s *Selection) NextFilteredUntil(filterSelector, untilSelector string) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNextUntil,
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compileMatcher(untilSelector), nil), compileMatcher(filterSelector))
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}
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// NextFilteredUntilMatcher is like NextUntilMatcher, with the option to filter
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// the results based on a matcher.
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// It returns a new Selection object containing the matched elements.
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func (s *Selection) NextFilteredUntilMatcher(filter, until Matcher) *Selection {
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return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNextUntil,
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until, nil), filter)
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}
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// NextFilteredUntilSelection is like NextUntilSelection, with the
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// option to filter the results based on a selector string. It returns a new
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// Selection object containing the matched elements.
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func (s *Selection) NextFilteredUntilSelection(filterSelector string, sel *Selection) *Selection {
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return s.NextMatcherUntilSelection(compileMatcher(filterSelector), sel)
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}
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// NextMatcherUntilSelection is like NextUntilSelection, with the
|
|
// option to filter the results based on a matcher. It returns a new
|
|
// Selection object containing the matched elements.
|
|
func (s *Selection) NextMatcherUntilSelection(filter Matcher, sel *Selection) *Selection {
|
|
if sel == nil {
|
|
return s.NextMatcher(filter)
|
|
}
|
|
return s.NextMatcherUntilNodes(filter, sel.Nodes...)
|
|
}
|
|
|
|
// NextFilteredUntilNodes is like NextUntilNodes, with the
|
|
// option to filter the results based on a selector string. It returns a new
|
|
// Selection object containing the matched elements.
|
|
func (s *Selection) NextFilteredUntilNodes(filterSelector string, nodes ...*html.Node) *Selection {
|
|
return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNextUntil,
|
|
nil, nodes), compileMatcher(filterSelector))
|
|
}
|
|
|
|
// NextMatcherUntilNodes is like NextUntilNodes, with the
|
|
// option to filter the results based on a matcher. It returns a new
|
|
// Selection object containing the matched elements.
|
|
func (s *Selection) NextMatcherUntilNodes(filter Matcher, nodes ...*html.Node) *Selection {
|
|
return filterAndPush(s, getSiblingNodes(s.Nodes, siblingNextUntil,
|
|
nil, nodes), filter)
|
|
}
|
|
|
|
// PrevFilteredUntil is like PrevUntil, with the option to filter
|
|
// the results based on a selector string.
|
|
// It returns a new Selection object containing the matched elements.
|
|
func (s *Selection) PrevFilteredUntil(filterSelector, untilSelector string) *Selection {
|
|
return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
|
|
compileMatcher(untilSelector), nil), compileMatcher(filterSelector))
|
|
}
|
|
|
|
// PrevFilteredUntilMatcher is like PrevUntilMatcher, with the option to filter
|
|
// the results based on a matcher.
|
|
// It returns a new Selection object containing the matched elements.
|
|
func (s *Selection) PrevFilteredUntilMatcher(filter, until Matcher) *Selection {
|
|
return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
|
|
until, nil), filter)
|
|
}
|
|
|
|
// PrevFilteredUntilSelection is like PrevUntilSelection, with the
|
|
// option to filter the results based on a selector string. It returns a new
|
|
// Selection object containing the matched elements.
|
|
func (s *Selection) PrevFilteredUntilSelection(filterSelector string, sel *Selection) *Selection {
|
|
return s.PrevMatcherUntilSelection(compileMatcher(filterSelector), sel)
|
|
}
|
|
|
|
// PrevMatcherUntilSelection is like PrevUntilSelection, with the
|
|
// option to filter the results based on a matcher. It returns a new
|
|
// Selection object containing the matched elements.
|
|
func (s *Selection) PrevMatcherUntilSelection(filter Matcher, sel *Selection) *Selection {
|
|
if sel == nil {
|
|
return s.PrevMatcher(filter)
|
|
}
|
|
return s.PrevMatcherUntilNodes(filter, sel.Nodes...)
|
|
}
|
|
|
|
// PrevFilteredUntilNodes is like PrevUntilNodes, with the
|
|
// option to filter the results based on a selector string. It returns a new
|
|
// Selection object containing the matched elements.
|
|
func (s *Selection) PrevFilteredUntilNodes(filterSelector string, nodes ...*html.Node) *Selection {
|
|
return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
|
|
nil, nodes), compileMatcher(filterSelector))
|
|
}
|
|
|
|
// PrevMatcherUntilNodes is like PrevUntilNodes, with the
|
|
// option to filter the results based on a matcher. It returns a new
|
|
// Selection object containing the matched elements.
|
|
func (s *Selection) PrevMatcherUntilNodes(filter Matcher, nodes ...*html.Node) *Selection {
|
|
return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
|
|
nil, nodes), filter)
|
|
}
|
|
|
|
// Filter and push filters the nodes based on a matcher, and pushes the results
|
|
// on the stack, with the srcSel as previous selection.
|
|
func filterAndPush(srcSel *Selection, nodes []*html.Node, m Matcher) *Selection {
|
|
// Create a temporary Selection with the specified nodes to filter using winnow
|
|
sel := &Selection{nodes, srcSel.document, nil}
|
|
// Filter based on matcher and push on stack
|
|
return pushStack(srcSel, winnow(sel, m, true))
|
|
}
|
|
|
|
// Internal implementation of Find that return raw nodes.
|
|
func findWithMatcher(nodes []*html.Node, m Matcher) []*html.Node {
|
|
// Map nodes to find the matches within the children of each node
|
|
return mapNodes(nodes, func(i int, n *html.Node) (result []*html.Node) {
|
|
// Go down one level, becausejQuery's Find selects only within descendants
|
|
for c := n.FirstChild; c != nil; c = c.NextSibling {
|
|
if c.Type == html.ElementNode {
|
|
result = append(result, m.MatchAll(c)...)
|
|
}
|
|
}
|
|
return
|
|
})
|
|
}
|
|
|
|
// Internal implementation to get all parent nodes, stopping at the specified
|
|
// node (or nil if no stop).
|
|
func getParentsNodes(nodes []*html.Node, stopm Matcher, stopNodes []*html.Node) []*html.Node {
|
|
return mapNodes(nodes, func(i int, n *html.Node) (result []*html.Node) {
|
|
for p := n.Parent; p != nil; p = p.Parent {
|
|
sel := newSingleSelection(p, nil)
|
|
if stopm != nil {
|
|
if sel.IsMatcher(stopm) {
|
|
break
|
|
}
|
|
} else if len(stopNodes) > 0 {
|
|
if sel.IsNodes(stopNodes...) {
|
|
break
|
|
}
|
|
}
|
|
if p.Type == html.ElementNode {
|
|
result = append(result, p)
|
|
}
|
|
}
|
|
return
|
|
})
|
|
}
|
|
|
|
// Internal implementation of sibling nodes that return a raw slice of matches.
|
|
func getSiblingNodes(nodes []*html.Node, st siblingType, untilm Matcher, untilNodes []*html.Node) []*html.Node {
|
|
var f func(*html.Node) bool
|
|
|
|
// If the requested siblings are ...Until, create the test function to
|
|
// determine if the until condition is reached (returns true if it is)
|
|
if st == siblingNextUntil || st == siblingPrevUntil {
|
|
f = func(n *html.Node) bool {
|
|
if untilm != nil {
|
|
// Matcher-based condition
|
|
sel := newSingleSelection(n, nil)
|
|
return sel.IsMatcher(untilm)
|
|
} else if len(untilNodes) > 0 {
|
|
// Nodes-based condition
|
|
sel := newSingleSelection(n, nil)
|
|
return sel.IsNodes(untilNodes...)
|
|
}
|
|
return false
|
|
}
|
|
}
|
|
|
|
return mapNodes(nodes, func(i int, n *html.Node) []*html.Node {
|
|
return getChildrenWithSiblingType(n.Parent, st, n, f)
|
|
})
|
|
}
|
|
|
|
// Gets the children nodes of each node in the specified slice of nodes,
|
|
// based on the sibling type request.
|
|
func getChildrenNodes(nodes []*html.Node, st siblingType) []*html.Node {
|
|
return mapNodes(nodes, func(i int, n *html.Node) []*html.Node {
|
|
return getChildrenWithSiblingType(n, st, nil, nil)
|
|
})
|
|
}
|
|
|
|
// Gets the children of the specified parent, based on the requested sibling
|
|
// type, skipping a specified node if required.
|
|
func getChildrenWithSiblingType(parent *html.Node, st siblingType, skipNode *html.Node,
|
|
untilFunc func(*html.Node) bool) (result []*html.Node) {
|
|
|
|
// Create the iterator function
|
|
var iter = func(cur *html.Node) (ret *html.Node) {
|
|
// Based on the sibling type requested, iterate the right way
|
|
for {
|
|
switch st {
|
|
case siblingAll, siblingAllIncludingNonElements:
|
|
if cur == nil {
|
|
// First iteration, start with first child of parent
|
|
// Skip node if required
|
|
if ret = parent.FirstChild; ret == skipNode && skipNode != nil {
|
|
ret = skipNode.NextSibling
|
|
}
|
|
} else {
|
|
// Skip node if required
|
|
if ret = cur.NextSibling; ret == skipNode && skipNode != nil {
|
|
ret = skipNode.NextSibling
|
|
}
|
|
}
|
|
case siblingPrev, siblingPrevAll, siblingPrevUntil:
|
|
if cur == nil {
|
|
// Start with previous sibling of the skip node
|
|
ret = skipNode.PrevSibling
|
|
} else {
|
|
ret = cur.PrevSibling
|
|
}
|
|
case siblingNext, siblingNextAll, siblingNextUntil:
|
|
if cur == nil {
|
|
// Start with next sibling of the skip node
|
|
ret = skipNode.NextSibling
|
|
} else {
|
|
ret = cur.NextSibling
|
|
}
|
|
default:
|
|
panic("Invalid sibling type.")
|
|
}
|
|
if ret == nil || ret.Type == html.ElementNode || st == siblingAllIncludingNonElements {
|
|
return
|
|
}
|
|
// Not a valid node, try again from this one
|
|
cur = ret
|
|
}
|
|
}
|
|
|
|
for c := iter(nil); c != nil; c = iter(c) {
|
|
// If this is an ...Until case, test before append (returns true
|
|
// if the until condition is reached)
|
|
if st == siblingNextUntil || st == siblingPrevUntil {
|
|
if untilFunc(c) {
|
|
return
|
|
}
|
|
}
|
|
result = append(result, c)
|
|
if st == siblingNext || st == siblingPrev {
|
|
// Only one node was requested (immediate next or previous), so exit
|
|
return
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// Internal implementation of parent nodes that return a raw slice of Nodes.
|
|
func getParentNodes(nodes []*html.Node) []*html.Node {
|
|
return mapNodes(nodes, func(i int, n *html.Node) []*html.Node {
|
|
if n.Parent != nil && n.Parent.Type == html.ElementNode {
|
|
return []*html.Node{n.Parent}
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
// Internal map function used by many traversing methods. Takes the source nodes
|
|
// to iterate on and the mapping function that returns an array of nodes.
|
|
// Returns an array of nodes mapped by calling the callback function once for
|
|
// each node in the source nodes.
|
|
func mapNodes(nodes []*html.Node, f func(int, *html.Node) []*html.Node) (result []*html.Node) {
|
|
set := make(map[*html.Node]bool)
|
|
for i, n := range nodes {
|
|
if vals := f(i, n); len(vals) > 0 {
|
|
result = appendWithoutDuplicates(result, vals, set)
|
|
}
|
|
}
|
|
return result
|
|
}
|