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#include <node_api.h>
void Copy(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc;
status = napi_get_cb_args_length(env, info, &argc);
if (status != napi_ok) return;
if (argc < 1) {
napi_throw_type_error(env, "Wrong number of arguments");
return;
}
napi_value args[1];
status = napi_get_cb_args(env, info, args, 1);
if (status != napi_ok) return;
napi_valuetype valuetype;
status = napi_typeof(env, args[0], &valuetype);
if (status != napi_ok) return;
if (valuetype != napi_string) {
napi_throw_type_error(env, "Wrong type of argments. Expects a string.");
return;
}
char buffer[128];
int buffer_size = 128;
status =
napi_get_value_string_utf8(env, args[0], buffer, buffer_size, NULL);
if (status != napi_ok) return;
napi_value output;
status = napi_create_string_utf8(env, buffer, -1, &output);
if (status != napi_ok) return;
status = napi_set_return_value(env, info, output);
if (status != napi_ok) return;
}
void Length(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc;
status = napi_get_cb_args_length(env, info, &argc);
if (status != napi_ok) return;
if (argc < 1) {
napi_throw_type_error(env, "Wrong number of arguments");
return;
}
napi_value args[1];
status = napi_get_cb_args(env, info, args, 1);
if (status != napi_ok) return;
napi_valuetype valuetype;
status = napi_typeof(env, args[0], &valuetype);
if (status != napi_ok) return;
if (valuetype != napi_string) {
napi_throw_type_error(env, "Wrong type of argments. Expects a string.");
return;
}
size_t length;
status = napi_get_value_string_length(env, args[0], &length);
if (status != napi_ok) return;
napi_value output;
status = napi_create_number(env, (double)length, &output);
if (status != napi_ok) return;
status = napi_set_return_value(env, info, output);
if (status != napi_ok) return;
}
void Utf8Length(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc;
status = napi_get_cb_args_length(env, info, &argc);
if (status != napi_ok) return;
if (argc < 1) {
napi_throw_type_error(env, "Wrong number of arguments");
return;
}
napi_value args[1];
status = napi_get_cb_args(env, info, args, 1);
if (status != napi_ok) return;
napi_valuetype valuetype;
status = napi_typeof(env, args[0], &valuetype);
if (status != napi_ok) return;
if (valuetype != napi_string) {
napi_throw_type_error(env, "Wrong type of argments. Expects a string.");
return;
}
size_t length;
status = napi_get_value_string_utf8(env, args[0], NULL, 0, &length);
if (status != napi_ok) return;
napi_value output;
status = napi_create_number(env, (double)length, &output);
if (status != napi_ok) return;
status = napi_set_return_value(env, info, output);
if (status != napi_ok) return;
}
#define DECLARE_NAPI_METHOD(name, func) \
{ name, func, 0, 0, 0, napi_default, 0 }
void Init(napi_env env, napi_value exports, napi_value module, void* priv) {
napi_status status;
napi_property_descriptor properties[] = {
DECLARE_NAPI_METHOD("Copy", Copy),
DECLARE_NAPI_METHOD("Length", Length),
DECLARE_NAPI_METHOD("Utf8Length", Utf8Length),
};
status = napi_define_properties(
env, exports, sizeof(properties) / sizeof(*properties), properties);
if (status != napi_ok) return;
}
NAPI_MODULE(addon, Init)
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