ydb/contrib/libs/flatbuffers/patches/yandex_maps.patch

commit f7ef3a38113d34baa5cea2f8ba448c41283db8b4
author: trivias
date: 2019-11-12T16:23:02+03:00
revision: 5908421

    Port mapsmobi iterator flatc extension to Arcadia flatc
    
    Расширение flatc, которое генерит заголовок, позволяющий читать flatbuffer произвольным классом с интерфейсом аналогичным void*.
    Ревью в mapsmobi:
    https://maps.crucible.yandex-team.ru/cru/CRMCORE-12050
    
    REVIEW: 1001396

--- a/include/flatbuffers/idl.h
+++ b/include/flatbuffers/idl.h
@@ -581,6 +581,7 @@ struct IDLOptions {
     kRust = 1 << 14,
     kKotlin = 1 << 15,
     kSwift = 1 << 16,
+    kCppYandexMapsIter = 1 << 19,
     kNim = 1 << 17,
     kProto = 1 << 18,
   };
@@ -1071,2 +1072,11 @@ extern std::string GenerateFBS(const Parser &parser,
+// Generate a C++ header for reading with templated file iterator from
+// the definitions in the Parser object.
+// See idl_gen_cpp_yandex_maps_iter.cpp.
+extern std::string GenerateCPPYandexMapsIter(const Parser &parser,
+                               const std::string &include_guard_ident);
+extern bool GenerateCPPYandexMapsIter(const Parser &parser,
+                        const std::string &path,
+                        const std::string &file_name);
+
 // Generate GRPC Cpp interfaces.
 // See idl_gen_grpc.cpp.
--- a/src/flatc_main.cpp
+++ b/src/flatc_main.cpp
@@ -166,1 +166,6 @@ int main(int argc, const char *argv[]) {
      flatbuffers::NewSwiftCodeGenerator());
+
+  flatc.RegisterCodeGenerator(
+      flatbuffers::FlatCOption{ "", "yandex-maps-iter", "",
+                                "Generate C++ template headers for tables/structs" },
+      flatbuffers::NewCppYandexMapsIterCodeGenerator());
--- a/src/flatc_main.cpp
+++ b/src/flatc_main.cpp
@@ -27,2 +27,3 @@
 #include "idl_gen_cpp.h"
+ #include "idl_gen_cpp_yandex_maps_iter.h"
 #include "idl_gen_csharp.h"