object-introspection/types/std_map_type.toml

[info]
type_name = "std::map"
stub_template_params = [2,3]
ctype = "STD_MAP_TYPE"
header = "map"

# Old:
typeName = "std::map<"
ns = ["namespace std"]
numTemplateParams = 2
replaceTemplateParamIndex = [2]
allocatorIndex = 3

[codegen]
decl = """
template<class K, class T, class C, class A>
void getSizeType(const %1%<K, T, C, A> &container, size_t& returnArg);
"""

func = """
template<class K, class T, class C, class A>
void getSizeType(const %1%<K, T, C, A> &container, size_t& returnArg)
{
    constexpr size_t nodeSize = sizeof(typename %1%<K, T, C, A>::node_type);
    size_t numElems = container.size();

    SAVE_SIZE(sizeof(%1%<K, T, C, A>) + (nodeSize * numElems));

    SAVE_DATA((uintptr_t)nodeSize);
    SAVE_DATA((uintptr_t)numElems);

    for (auto const& it : container)
    {
    getSizeType(it.first, returnArg);
    getSizeType(it.second, returnArg);
    }
}
"""

handler = """
template <typename DB, typename T0, typename T1, typename T2, typename T3>
struct TypeHandler<DB, %1%<T0, T1, T2, T3>> {
  using type = types::st::Pair<DB,
      types::st::VarInt<DB>,
      types::st::List<DB, types::st::Pair<DB,
        typename TypeHandler<DB, T0>::type,
        typename TypeHandler<DB, T1>::type
    >>>;

  static types::st::Unit<DB> getSizeType(
      const %1%<T0, T1, T2, T3>& container,
      typename TypeHandler<DB, %1%<T0, T1, T2, T3>>::type returnArg) {
    constexpr size_t nodeSize = sizeof(typename %1%<T0, T1, T2, T3>::node_type);

    auto tail = returnArg.write(nodeSize).write(container.size());

    // The double ampersand is needed otherwise this loop doesn't work with
    // vector<bool>
    for (const auto& it : container) {
      tail = tail.delegate([&it](auto ret) {
        return OIInternal::getSizeType<DB>(it.second, ret.delegate([&it](auto ret) {
            return OIInternal::getSizeType<DB>(it.first, ret);
        }));
      });
    }

    return tail.finish();
  }
};
"""