Factoring out smart_holder_type_caster_load.

This commit is contained in:
Ralf W. Grosse-Kunstleve 2021-01-11 21:15:07 -08:00
parent 4b35955a12
commit 3f7a1a1b30

View File

@ -44,8 +44,22 @@ namespace detail {
using namespace pybind11_tests::classh_wip; using namespace pybind11_tests::classh_wip;
template <typename T>
struct smart_holder_type_caster_load {
bool load(handle src, bool /*convert*/) {
if (!isinstance<T>(src)) return false;
auto inst = reinterpret_cast<instance *>(src.ptr());
auto v_h = inst->get_value_and_holder(get_type_info(typeid(T)));
smhldr_ptr = &v_h.holder<pybindit::memory::smart_holder>();
return true;
}
protected:
pybindit::memory::smart_holder* smhldr_ptr = nullptr;
};
template <> template <>
struct type_caster<mpty> { struct type_caster<mpty> : smart_holder_type_caster_load<mpty> {
static constexpr auto name = _<mpty>(); static constexpr auto name = _<mpty>();
// static handle cast(mpty, ...) // static handle cast(mpty, ...)
@ -100,17 +114,6 @@ struct type_caster<mpty> {
operator mpty&() { return smhldr_ptr->lvalue_ref<mpty>(); } operator mpty&() { return smhldr_ptr->lvalue_ref<mpty>(); }
operator mpty const*() { return smhldr_ptr->as_raw_ptr_unowned<mpty>(); } operator mpty const*() { return smhldr_ptr->as_raw_ptr_unowned<mpty>(); }
operator mpty*() { return smhldr_ptr->as_raw_ptr_unowned<mpty>(); } operator mpty*() { return smhldr_ptr->as_raw_ptr_unowned<mpty>(); }
bool load(handle src, bool /*convert*/) {
if (!isinstance<mpty>(src)) return false;
auto inst = reinterpret_cast<instance *>(src.ptr());
auto v_h = inst->get_value_and_holder(get_type_info(typeid(mpty)));
smhldr_ptr = &v_h.holder<pybindit::memory::smart_holder>();
return true;
}
private:
pybindit::memory::smart_holder* smhldr_ptr = nullptr;
}; };
template <> template <>