//Child checks the route routemaker if the specific childroute exits
func (r *Route) Child(path string) *Route {
if strings.EqualFold(path, "/") || path == "" {
return r
}
vs := splitPatternAndRemovePrefix(path)
if len(vs) <= 0 {
return nil
}
fs := vs[0]
if len(vs) > 1 {
vs = vs[1:]
} else {
vs = vs[0:0]
}
id, _, _ := reggy.YankSpecial(fs)
r.lock.RLock()
d, ok := r.childRoutes[id]
r.lock.RUnlock()
if !ok {
return nil
}
return d.Child(strings.Join(vs, "/"))
}
//New adds a new route to the current routes routemaker as a subroute
//the path string can only be a single route not a multiple
//So '/io/sucker/{f:[/w]}' will be broken down and each piece will be created
//according to its tree
//Note: '/' returns the route itself
func (r *Route) New(path string) {
if strings.EqualFold(path, "/") || path == "" {
return
}
vs := splitPatternAndRemovePrefix(path)
if len(vs) <= 0 {
return
}
fs := vs[0]
if len(vs) > 1 {
vs = vs[1:]
} else {
vs = vs[0:0]
}
id, _, _ := reggy.YankSpecial(fs)
r.lock.RLock()
d, ok := r.childRoutes[id]
r.lock.RUnlock()
if !ok {
rs := FromRoute(r, fs)
r.lock.Lock()
r.childRoutes[rs.Path] = rs
r.lock.Unlock()
rs.New(strings.Join(vs, "/"))
return
}
d.New(strings.Join(vs, "/"))
}
