1package goquery
2
3// Each iterates over a Selection object, executing a function for each
4// matched element. It returns the current Selection object. The function
5// f is called for each element in the selection with the index of the
6// element in that selection starting at 0, and a *Selection that contains
7// only that element.
8func (s *Selection) Each(f func(int, *Selection)) *Selection {
9	for i, n := range s.Nodes {
10		f(i, newSingleSelection(n, s.document))
11	}
12	return s
13}
14
15// EachWithBreak iterates over a Selection object, executing a function for each
16// matched element. It is identical to Each except that it is possible to break
17// out of the loop by returning false in the callback function. It returns the
18// current Selection object.
19func (s *Selection) EachWithBreak(f func(int, *Selection) bool) *Selection {
20	for i, n := range s.Nodes {
21		if !f(i, newSingleSelection(n, s.document)) {
22			return s
23		}
24	}
25	return s
26}
27
28// Map passes each element in the current matched set through a function,
29// producing a slice of string holding the returned values. The function
30// f is called for each element in the selection with the index of the
31// element in that selection starting at 0, and a *Selection that contains
32// only that element.
33func (s *Selection) Map(f func(int, *Selection) string) (result []string) {
34	for i, n := range s.Nodes {
35		result = append(result, f(i, newSingleSelection(n, s.document)))
36	}
37
38	return result
39}
40