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39 lines
1.4 KiB
39 lines
1.4 KiB
package goquery
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// Each iterates over a Selection object, executing a function for each
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// matched element. It returns the current Selection object. The function
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// f is called for each element in the selection with the index of the
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// element in that selection starting at 0, and a *Selection that contains
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// only that element.
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func (s *Selection) Each(f func(int, *Selection)) *Selection {
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for i, n := range s.Nodes {
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f(i, newSingleSelection(n, s.document))
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}
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return s
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}
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// EachWithBreak iterates over a Selection object, executing a function for each
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// matched element. It is identical to Each except that it is possible to break
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// out of the loop by returning false in the callback function. It returns the
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// current Selection object.
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func (s *Selection) EachWithBreak(f func(int, *Selection) bool) *Selection {
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for i, n := range s.Nodes {
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if !f(i, newSingleSelection(n, s.document)) {
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return s
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}
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}
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return s
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}
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// Map passes each element in the current matched set through a function,
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// producing a slice of string holding the returned values. The function
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// f is called for each element in the selection with the index of the
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// element in that selection starting at 0, and a *Selection that contains
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// only that element.
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func (s *Selection) Map(f func(int, *Selection) string) (result []string) {
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for i, n := range s.Nodes {
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result = append(result, f(i, newSingleSelection(n, s.document)))
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}
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return result
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}
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