feat: router path now supports plus sign, useful for swagger consumin…

…g gateways that want to proxy, like AWS APIGW (#217)

operation.go

@@ -386,7 +386,7 @@ func (operation *Operation) ParseProduceComment(commentLine string) error {
 
 // ParseRouterComment parses comment for gived `router` comment string.
 func (operation *Operation) ParseRouterComment(commentLine string) error {
-	re := regexp.MustCompile(`([\w\.\/\-{}]+)[^\[]+\[([^\]]+)`)
+	re := regexp.MustCompile(`([\w\.\/\-{}\+]+)[^\[]+\[([^\]]+)`)
 	var matches []string
 
 	if matches = re.FindStringSubmatch(commentLine); len(matches) != 3 {

operation_test.go

@@ -105,6 +105,15 @@ func TestParseRouterComment(t *testing.T) {
 	assert.Equal(t, "GET", operation.HTTPMethod)
 }
 
+func TestParseRouterCommentWithPlusSign(t *testing.T) {
+	comment := `/@Router /customer/get-wishlist/{proxy+} [post]`
+	operation := NewOperation()
+	err := operation.ParseComment(comment, nil)
+	assert.NoError(t, err)
+	assert.Equal(t, "/customer/get-wishlist/{proxy+}", operation.Path)
+	assert.Equal(t, "POST", operation.HTTPMethod)
+}
+
 func TestParseRouterCommentOccursErr(t *testing.T) {
 	comment := `/@Router /customer/get-wishlist/{wishlist_id}`
 	operation := NewOperation()