Function processTreePredicates

routing/datasource.go:462–490

processes path tree relevant predicates

(r *Route, predicateList []*eskip.Predicate)

// processes path tree relevant predicates
func processTreePredicates(r *Route, predicateList []*eskip.Predicate) error {
	// backwards compatibility
	if r.Path != "" {
		predicateList = append(predicateList, &eskip.Predicate{Name: predicates.PathName, Args: []interface{}{r.Path}})
	}

	if !validTreePredicates(predicateList) {
		return fmt.Errorf("multiple tree predicates (Path, PathSubtree) in the route: %s", r.Id)
	}

	for _, p := range predicateList {
		switch p.Name {
		case predicates.PathName:
			path, err := processPathOrSubTree(p)
			if err != nil {
				return err
			}
			r.path = path
		case predicates.PathSubtreeName:
			pst, err := processPathOrSubTree(p)
			if err != nil {
				return err
			}
			r.pathSubtree = pst
		}
	}

	return nil
}

// ValidateRoute processes a route definition through all configured preprocessors
// and validates that all resulting routes can be successfully processed.