// Is checks the current matched set of elements against a selector and
// returns true if at least one of these elements matches.
func (s *Selection) Is(selector string) bool {
if len(s.Nodes) > 0 {
return s.IsMatcher(cascadia.MustCompile(selector))
}
return false
}
// Filter reduces the set of matched elements to those that match the selector string.
// It returns a new Selection object for this subset of matching elements.
func (s *Selection) Filter(selector string) *Selection {
return s.FilterMatcher(cascadia.MustCompile(selector))
}
// Not removes elements from the Selection that match the selector string.
// It returns a new Selection object with the matching elements removed.
func (s *Selection) Not(selector string) *Selection {
return s.NotMatcher(cascadia.MustCompile(selector))
}
// ChildrenFiltered gets the child elements of each element in the Selection,
// filtered by the specified selector. It returns a new
// Selection object containing these elements.
func (s *Selection) ChildrenFiltered(selector string) *Selection {
return filterAndPush(s, getChildrenNodes(s.Nodes, siblingAll), cascadia.MustCompile(selector))
}
// 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(cascadia.MustCompile(filterSelector), sel)
}
// 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), cascadia.MustCompile(filterSelector))
}
// PrevUntil gets all preceding siblings of each element up to but not
// including the element matched by the selector. It returns a new Selection
// object containing the matched elements.
func (s *Selection) PrevUntil(selector string) *Selection {
return pushStack(s, getSiblingNodes(s.Nodes, siblingPrevUntil,
cascadia.MustCompile(selector), nil))
}
// 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,
cascadia.MustCompile(untilSelector), nil), cascadia.MustCompile(filterSelector))
}
// ParentsFilteredUntilNodes is like ParentsUntilNodes, 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) ParentsFilteredUntilNodes(filterSelector string, nodes ...*html.Node) *Selection {
return filterAndPush(s, getParentsNodes(s.Nodes, nil, nodes), cascadia.MustCompile(filterSelector))
}
// PrevAllFiltered gets all the preceding siblings of each element in the
// Selection filtered by a selector. It returns a new Selection object
// containing the matched elements.
func (s *Selection) PrevAllFiltered(selector string) *Selection {
return filterAndPush(s, getSiblingNodes(s.Nodes, siblingPrevAll, nil, nil), cascadia.MustCompile(selector))
}
// Find gets the descendants of each element in the current set of matched
// elements, filtered by a selector. It returns a new Selection object
// containing these matched elements.
func (s *Selection) Find(selector string) *Selection {
return pushStack(s, findWithMatcher(s.Nodes, cascadia.MustCompile(selector)))
}
// ParentsFilteredUntil is like ParentsUntil, 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) ParentsFilteredUntil(filterSelector, untilSelector string) *Selection {
return filterAndPush(s, getParentsNodes(s.Nodes, cascadia.MustCompile(untilSelector), nil), cascadia.MustCompile(filterSelector))
}
// ParentsUntil gets the ancestors of each element in the Selection, up to but
// not including the element matched by the selector. It returns a new Selection
// object containing the matched elements.
func (s *Selection) ParentsUntil(selector string) *Selection {
return pushStack(s, getParentsNodes(s.Nodes, cascadia.MustCompile(selector), nil))
}
// ParentsFiltered gets the ancestors of each element in the current
// Selection. It returns a new Selection object with the matched elements.
func (s *Selection) ParentsFiltered(selector string) *Selection {
return filterAndPush(s, getParentsNodes(s.Nodes, nil, nil), cascadia.MustCompile(selector))
}
// Closest gets the first element that matches the selector by testing the
// element itself and traversing up through its ancestors in the DOM tree.
func (s *Selection) Closest(selector string) *Selection {
cs := cascadia.MustCompile(selector)
return s.ClosestMatcher(cs)
}