Added referer accessor to RequestHeader

header.go

@@ -244,6 +244,23 @@ func (h *RequestHeader) SetUserAgentBytes(userAgent []byte) {
 	h.userAgent = append(h.userAgent[:0], userAgent...)
 }
 
+// Referer returns Referer header value.
+func (h *RequestHeader) Referer() []byte {
+	return h.PeekBytes(strReferer)
+}
+
+// SetReferer sets Referer header value.
+func (h *RequestHeader) SetReferer(referer string) {
+	h.SetBytesK(strReferer, referer)
+}
+
+// SetRefererBytes sets Referer header value.
+//
+// It is safe modifying referer buffer after function return.
+func (h *RequestHeader) SetRefererBytes(referer []byte) {
+	h.SetCanonical(strReferer, referer)
+}
+
 // Method returns HTTP request method.
 func (h *RequestHeader) Method() []byte {
 	if len(h.method) == 0 {

server.go

@@ -308,7 +308,7 @@ func (ctx *RequestCtx) URI() *URI {
 //
 // The referer is valid until returning from RequestHandler.
 func (ctx *RequestCtx) Referer() []byte {
-	return ctx.Request.Header.PeekBytes(strReferer)
+	return ctx.Request.Header.Referer()
 }
 
 // Path returns requested path.