Fix split function in generator

Author: astrada

src/gapi/gapiDriveV3Service.ml

@@ -838,7 +838,7 @@ struct
         file
         session =
     let base_path = ["files"] in
-    let media_path = ["resumable"; "upload"; "drive"; "v3"; "files"] in
+    let media_path = [""; "resumable"; "upload"; "drive"; "v3"; "files"] in
     let path_to_add = if GapiOption.is_some media_source then media_path
       else base_path in
     let full_url = GapiUtils.add_path_to_url path_to_add base_url in
@@ -976,7 +976,7 @@ struct
         file
         session =
     let base_path = ["files"; ((fun x -> x) fileId)] in
-    let media_path = ["resumable"; "upload"; "drive"; "v3"; "files";
+    let media_path = [""; "resumable"; "upload"; "drive"; "v3"; "files";
       ((fun x -> x) fileId)] in
     let path_to_add = if GapiOption.is_some media_source then media_path
       else base_path in

tools/serviceGenerator.ml

@@ -737,7 +737,7 @@ let generate_rest_method formatter inner_module_lens (id, rest_method) =
     >>= fun parameters_module_name ->
     (* Build complete url *)
     let build_path_to_add path =
-      let splitted_path = Str.split forward_slash_regxp path in
+      let splitted_path = Str.split_delim forward_slash_regxp path in
       List.map
         (fun p ->
           if GapiUtils.string_starts_with p "{" then