func directorySubPath(params httpserver.Values, ctx *restContext) (ret []string) {
ret = make([]string, 3)
length := 0
if params.Has("p0") {
ret[0] = params.OptionalString("p0")
length = 1
if params.Has("p1") {
ret[1] = params.OptionalString("p1")
length = 2
if params.Has("p2") {
ret[2] = params.OptionalString("p2")
length = 3
}
}
}
ret = ret[:length]
return
}
