// This validates the Routes and prepares the Trie data structure.
// It must be called once the Routes are defined and before trying to find Routes.
// The order matters, if multiple Routes match, the first defined will be used.
func (rt *router) start() error {
rt.trie = trie.New()
rt.index = map[*Route]int{}
for i, route := range rt.routes {
// work with the PathExp urlencoded.
pathExp, err := escapedPathExp(route.PathExp)
if err != nil {
return err
}
// insert in the Trie
err = rt.trie.AddRoute(
strings.ToUpper(route.HttpMethod), // work with the HttpMethod in uppercase
pathExp,
route,
)
if err != nil {
return err
}
// index
rt.index[route] = i
}
if rt.disableTrieCompression == false {
rt.trie.Compress()
}
return nil
}
// This validates the Routes and prepares the Trie data structure.
// It must be called once the Routes are defined and before trying to find Routes.
// The order matters, if multiple Routes match, the first defined will be used.
func (rt *router) start() error {
rt.trie = trie.New()
rt.index = map[*Route]int{}
for i, route := range rt.routes {
// PathExp validation
if route.PathExp == "" {
return errors.New("empty PathExp")
}
if route.PathExp[0] != '/' {
return errors.New("PathExp must start with /")
}
urlObj, err := url.Parse(route.PathExp)
if err != nil {
return err
}
// work with the PathExp urlencoded.
pathExp := escapedPath(urlObj)
// make an exception for '*' used by the *splat notation
// (at the trie insert only)
pathExp = strings.Replace(pathExp, "%2A", "*", -1)
// insert in the Trie
err = rt.trie.AddRoute(
strings.ToUpper(route.HttpMethod), // work with the HttpMethod in uppercase
pathExp,
route,
)
if err != nil {
return err
}
// index
rt.index[route] = i
}
if rt.disableTrieCompression == false {
rt.trie.Compress()
}
return nil
}