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pycontainers: Implement __contains__

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2018-12-14 13:11:02 +00:00
parent 493d6c3fb9
commit a8289b699f
1 changed files with 14 additions and 0 deletions
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14
common/pycontainers.h
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@ -345,6 +345,12 @@ template <typename T, typename value_conv> struct map_wrapper
std::terminate(); std::terminate();
} }
static bool contains(wrapped_map &x, std::string const &i)
{
K k = PythonConversion::string_converter<K>().from_str(x.ctx, i);
return x.base.count(k);
}
static void wrap(const char *map_name, const char *kv_name, const char *kv_iter_name, const char *iter_name) static void wrap(const char *map_name, const char *kv_name, const char *kv_iter_name, const char *iter_name)
{ {
map_pair_wrapper<typename KV::first_type, typename KV::second_type, value_conv>::wrap(kv_name, kv_iter_name); map_pair_wrapper<typename KV::first_type, typename KV::second_type, value_conv>::wrap(kv_name, kv_iter_name);
@ -353,6 +359,7 @@ template <typename T, typename value_conv> struct map_wrapper
class_<wrapped_map>(map_name, no_init) class_<wrapped_map>(map_name, no_init)
.def("__iter__", rw::iter) .def("__iter__", rw::iter)
.def("__len__", len) .def("__len__", len)
.def("__contains__", contains)
.def("__getitem__", get) .def("__getitem__", get)
.def("__setitem__", set, with_custodian_and_ward<1, 2>()); .def("__setitem__", set, with_custodian_and_ward<1, 2>());
} }
@ -465,6 +472,12 @@ template <typename T> struct map_wrapper_uptr
std::terminate(); std::terminate();
} }
static bool contains(wrapped_map &x, std::string const &i)
{
K k = PythonConversion::string_converter<K>().from_str(x.ctx, i);
return x.base.count(k);
}
static void wrap(const char *map_name, const char *kv_name, const char *kv_iter_name, const char *iter_name) static void wrap(const char *map_name, const char *kv_name, const char *kv_iter_name, const char *iter_name)
{ {
map_pair_wrapper_uptr<typename KV::first_type, typename KV::second_type>::wrap(kv_name, kv_iter_name); map_pair_wrapper_uptr<typename KV::first_type, typename KV::second_type>::wrap(kv_name, kv_iter_name);
@ -473,6 +486,7 @@ template <typename T> struct map_wrapper_uptr
class_<wrapped_map>(map_name, no_init) class_<wrapped_map>(map_name, no_init)
.def("__iter__", rw::iter) .def("__iter__", rw::iter)
.def("__len__", len) .def("__len__", len)
.def("__contains__", contains)
.def("__getitem__", get) .def("__getitem__", get)
.def("__setitem__", set, with_custodian_and_ward<1, 2>()); .def("__setitem__", set, with_custodian_and_ward<1, 2>());
} }