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#ifndef GOOGLE_PROTOBUF_RUST_CPP_KERNEL_MAP_H__
#define GOOGLE_PROTOBUF_RUST_CPP_KERNEL_MAP_H__
// Defines concrete thunks to access typed map methods from Rust.
#define __PB_RUST_EXPOSE_SCALAR_MAP_METHODS( \
key_ty, rust_key_ty, ffi_key_ty, to_cpp_key, to_ffi_key, value_ty, \
rust_value_ty, ffi_view_ty, ffi_value_ty, to_cpp_value, to_ffi_value) \
google::protobuf::Map<key_ty, value_ty>* \
proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_new() { \
return new google::protobuf::Map<key_ty, value_ty>(); \
} \
void proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_free( \
google::protobuf::Map<key_ty, value_ty>* m) { \
delete m; \
} \
void proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_clear( \
google::protobuf::Map<key_ty, value_ty>* m) { \
m->clear(); \
} \
size_t proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_size( \
const google::protobuf::Map<key_ty, value_ty>* m) { \
return m->size(); \
} \
bool proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_insert( \
google::protobuf::Map<key_ty, value_ty>* m, ffi_key_ty key, ffi_value_ty value) { \
auto iter_and_inserted = m->try_emplace(to_cpp_key, to_cpp_value); \
if (!iter_and_inserted.second) { \
iter_and_inserted.first->second = to_cpp_value; \
} \
return iter_and_inserted.second; \
} \
bool proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_get( \
const google::protobuf::Map<key_ty, value_ty>* m, ffi_key_ty key, \
ffi_view_ty* value) { \
auto cpp_key = to_cpp_key; \
auto it = m->find(cpp_key); \
if (it == m->end()) { \
return false; \
} \
auto& cpp_value = it->second; \
*value = to_ffi_value; \
return true; \
} \
google::protobuf::internal::UntypedMapIterator \
proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_iter( \
const google::protobuf::Map<key_ty, value_ty>* m) { \
return google::protobuf::internal::UntypedMapIterator::FromTyped(m->cbegin()); \
} \
void proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_iter_get( \
const google::protobuf::internal::UntypedMapIterator* iter, ffi_key_ty* key, \
ffi_view_ty* value) { \
auto typed_iter = \
iter->ToTyped<google::protobuf::Map<key_ty, value_ty>::const_iterator>(); \
const auto& cpp_key = typed_iter->first; \
const auto& cpp_value = typed_iter->second; \
*key = to_ffi_key; \
*value = to_ffi_value; \
} \
bool proto2_rust_thunk_Map_##rust_key_ty##_##rust_value_ty##_remove( \
google::protobuf::Map<key_ty, value_ty>* m, ffi_key_ty key, ffi_view_ty* value) { \
auto cpp_key = to_cpp_key; \
auto num_removed = m->erase(cpp_key); \
return num_removed > 0; \
}
// Defines the map thunks for all supported key types for a given value type.
#define __PB_RUST_EXPOSE_SCALAR_MAP_METHODS_FOR_VALUE_TYPE( \
value_ty, rust_value_ty, ffi_view_ty, ffi_value_ty, to_cpp_value, \
to_ffi_value) \
__PB_RUST_EXPOSE_SCALAR_MAP_METHODS( \
int32_t, i32, int32_t, key, cpp_key, value_ty, rust_value_ty, \
ffi_view_ty, ffi_value_ty, to_cpp_value, to_ffi_value); \
__PB_RUST_EXPOSE_SCALAR_MAP_METHODS( \
uint32_t, u32, uint32_t, key, cpp_key, value_ty, rust_value_ty, \
ffi_view_ty, ffi_value_ty, to_cpp_value, to_ffi_value); \
__PB_RUST_EXPOSE_SCALAR_MAP_METHODS( \
bool, bool, bool, key, cpp_key, value_ty, rust_value_ty, ffi_view_ty, \
ffi_value_ty, to_cpp_value, to_ffi_value); \
__PB_RUST_EXPOSE_SCALAR_MAP_METHODS( \
uint64_t, u64, uint64_t, key, cpp_key, value_ty, rust_value_ty, \
ffi_view_ty, ffi_value_ty, to_cpp_value, to_ffi_value); \
__PB_RUST_EXPOSE_SCALAR_MAP_METHODS( \
int64_t, i64, int64_t, key, cpp_key, value_ty, rust_value_ty, \
ffi_view_ty, ffi_value_ty, to_cpp_value, to_ffi_value); \
__PB_RUST_EXPOSE_SCALAR_MAP_METHODS( \
std::string, ProtoString, google::protobuf::rust::PtrAndLen, \
std::string(key.ptr, key.len), \
google::protobuf::rust::PtrAndLen(cpp_key.data(), cpp_key.size()), value_ty, \
rust_value_ty, ffi_view_ty, ffi_value_ty, to_cpp_value, to_ffi_value);
#endif // GOOGLE_PROTOBUF_RUST_CPP_KERNEL_MAP_H__