// buildReverse builds reverse router.
func (router *Router) buildReverse() error {
router.reverse = make(map[string]*Route)
for _, route := range router.routeTable {
router.reverse[route.Name] = route
for i := 0; i < len(route.Path); i++ {
if c := route.Path[i]; c == denco.ParamCharacter || c == denco.WildcardCharacter {
next := denco.NextSeparator(route.Path, i+1)
route.paramNames = append(route.paramNames, route.Path[i:next])
i = next
}
}
}
return nil
}
func TestNextSeparator(t *testing.T) {
for _, testcase := range []struct {
path string
start int
expected interface{}
}{
{"/path/to/route", 0, 0},
{"/path/to/route", 1, 5},
{"/path/to/route", 9, 14},
{"/path.html", 1, 10},
{"/foo/bar.html", 1, 4},
{"/foo/bar.html/baz.png", 5, 13},
{"/foo/bar.html/baz.png", 14, 21},
{"path#", 0, 4},
} {
actual := denco.NextSeparator(testcase.path, testcase.start)
expected := testcase.expected
if !reflect.DeepEqual(actual, expected) {
t.Errorf("path = %q, start = %v expect %v, but %v", testcase.path, testcase.start, expected, actual)
}
}
}