init

at-api/vendor/github.com/julienschmidt/httprouter/params_go17.go

@@ -0,0 +1,38 @@
+// +build go1.7
+
+package httprouter
+
+import (
+	"context"
+	"net/http"
+)
+
+type paramsKey struct{}
+
+// ParamsKey is the request context key under which URL params are stored.
+//
+// This is only present from go 1.7.
+var ParamsKey = paramsKey{}
+
+// Handler is an adapter which allows the usage of an http.Handler as a
+// request handle. With go 1.7+, the Params will be available in the
+// request context under ParamsKey.
+func (r *Router) Handler(method, path string, handler http.Handler) {
+	r.Handle(method, path,
+		func(w http.ResponseWriter, req *http.Request, p Params) {
+			ctx := req.Context()
+			ctx = context.WithValue(ctx, ParamsKey, p)
+			req = req.WithContext(ctx)
+			handler.ServeHTTP(w, req)
+		},
+	)
+}
+
+// ParamsFromContext pulls the URL parameters from a request context,
+// or returns nil if none are present.
+//
+// This is only present from go 1.7.
+func ParamsFromContext(ctx context.Context) Params {
+	p, _ := ctx.Value(ParamsKey).(Params)
+	return p
+}