/
events.go
39 lines (34 loc) · 928 Bytes
/
events.go
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package common
var events = make(map[string][]chan interface{})
const (
AFTER_FLAG_PARSE = "AFTER_FLAG_PARSE"
)
// AddSitter adds an event listener to the Dog struct instance
func AddListener(name string, ch chan interface{}) {
if _, ok := events[name]; ok {
events[name] = append(events[name], ch)
} else {
events[name] = []chan interface{}{ch}
}
}
// RemoveSitter removes an event listener from the Dog struct instance
func RemoveListener(name string, ch chan interface{}) {
if _, ok := events[name]; ok {
for i := range events[name] {
if events[name][i] == ch {
events[name] = append(events[name][:i], events[name][i+1:]...)
break
}
}
}
}
// Emit emits an event on the Dog struct instance
func EmitListener(name string, event string) {
if _, ok := events[name]; ok {
for _, handler := range events[name] {
go func(handler chan interface{}) {
handler <- event
}(handler)
}
}
}