Initial QSfera import

Server/vendor/go-micro.dev/v4/api/resolver/resolver.go

@@ -0,0 +1,46 @@
+// Package resolver resolves a http request to an endpoint
+package resolver
+
+import (
+	"errors"
+	"net/http"
+)
+
+var (
+	ErrNotFound    = errors.New("not found")
+	ErrInvalidPath = errors.New("invalid path")
+)
+
+// Resolver resolves requests to endpoints.
+type Resolver interface {
+	Resolve(r *http.Request) (*Endpoint, error)
+	String() string
+}
+
+// Endpoint is the endpoint for a http request.
+type Endpoint struct {
+	// e.g greeter
+	Name string
+	// HTTP Host e.g example.com
+	Host string
+	// HTTP Methods e.g GET, POST
+	Method string
+	// HTTP Path e.g /greeter.
+	Path string
+}
+
+// Options is a struct of available options.
+type Options struct {
+	Namespace func(*http.Request) string
+	Handler   string
+}
+
+// Option is a helper for a single option.
+type Option func(o *Options)
+
+// StaticNamespace returns the same namespace for each request.
+func StaticNamespace(ns string) func(*http.Request) string {
+	return func(*http.Request) string {
+		return ns
+	}
+}