static napi_value Test(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_number,
"Wrong type of arguments. Expects a number as first argument.");
double input;
NAPI_CALL(env, napi_get_value_double(env, args[0], &input));
napi_value output;
NAPI_CALL(env, napi_create_double(env, input, &output));
return output;
}
napi_value NewWithLength(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_number,
"Wrong type of arguments. Expects an integer the first argument.");
int32_t array_length;
NAPI_CALL(env, napi_get_value_int32(env, args[0], &array_length));
napi_value ret;
NAPI_CALL(env, napi_create_array_with_length(env, array_length, &ret));
return ret;
}
napi_value Utf8Length(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
size_t length;
NAPI_CALL(env, napi_get_value_string_utf8(env, args[0], NULL, 0, &length));
napi_value output;
NAPI_CALL(env, napi_create_number(env, (double)length, &output));
return output;
}
static napi_value MakeCallback(napi_env env, napi_callback_info info) {
size_t argc = MAX_ARGUMENTS;
size_t n;
napi_value args[MAX_ARGUMENTS];
// NOLINTNEXTLINE (readability/null_usage)
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc > 0, "Wrong number of arguments");
napi_value recv = args[0];
napi_value func = args[1];
napi_value argv[MAX_ARGUMENTS - 2];
for (n = 2; n < argc; n += 1) {
argv[n - 2] = args[n];
}
napi_valuetype func_type;
NAPI_CALL(env, napi_typeof(env, func, &func_type));
napi_value resource_name;
NAPI_CALL(env, napi_create_string_utf8(
env, "test", NAPI_AUTO_LENGTH, &resource_name));
napi_async_context context;
NAPI_CALL(env, napi_async_init(env, func, resource_name, &context));
napi_value result;
if (func_type == napi_function) {
NAPI_CALL(env, napi_make_callback(
env, context, recv, func, argc - 2, argv, &result));
} else {
NAPI_ASSERT(env, false, "Unexpected argument type");
}
NAPI_CALL(env, napi_async_destroy(env, context));
return result;
}
static napi_value testNapiTypeof(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
napi_valuetype argument_type;
NAPI_CALL(env, napi_typeof(env, args[0], &argument_type));
napi_value result = NULL;
if (argument_type == napi_number) {
NAPI_CALL(env, napi_create_string_utf8(
env, "number", NAPI_AUTO_LENGTH, &result));
} else if (argument_type == napi_string) {
NAPI_CALL(env, napi_create_string_utf8(
env, "string", NAPI_AUTO_LENGTH, &result));
} else if (argument_type == napi_function) {
NAPI_CALL(env, napi_create_string_utf8(
env, "function", NAPI_AUTO_LENGTH, &result));
} else if (argument_type == napi_object) {
NAPI_CALL(env, napi_create_string_utf8(
env, "object", NAPI_AUTO_LENGTH, &result));
} else if (argument_type == napi_boolean) {
NAPI_CALL(env, napi_create_string_utf8(
env, "boolean", NAPI_AUTO_LENGTH, &result));
} else if (argument_type == napi_undefined) {
NAPI_CALL(env, napi_create_string_utf8(
env, "undefined", NAPI_AUTO_LENGTH, &result));
} else if (argument_type == napi_symbol) {
NAPI_CALL(env, napi_create_string_utf8(
env, "symbol", NAPI_AUTO_LENGTH, &result));
} else if (argument_type == napi_null) {
NAPI_CALL(env, napi_create_string_utf8(
env, "null", NAPI_AUTO_LENGTH, &result));
}
return result;
}
napi_value Multiply(napi_env env, napi_callback_info info) {
size_t argc = 2;
napi_value args[2];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc == 2, "Wrong number of arguments");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_object,
"Wrong type of argments. Expects a typed array as first argument.");
napi_value input_array = args[0];
bool is_typedarray;
NAPI_CALL(env, napi_is_typedarray(env, input_array, &is_typedarray));
NAPI_ASSERT(env, is_typedarray,
"Wrong type of argments. Expects a typed array as first argument.");
napi_valuetype valuetype1;
NAPI_CALL(env, napi_typeof(env, args[1], &valuetype1));
NAPI_ASSERT(env, valuetype1 == napi_number,
"Wrong type of argments. Expects a number as second argument.");
double multiplier;
NAPI_CALL(env, napi_get_value_double(env, args[1], &multiplier));
napi_typedarray_type type;
napi_value input_buffer;
size_t byte_offset;
size_t i, length;
NAPI_CALL(env, napi_get_typedarray_info(
env, input_array, &type, &length, NULL, &input_buffer, &byte_offset));
void* data;
size_t byte_length;
NAPI_CALL(env, napi_get_arraybuffer_info(
env, input_buffer, &data, &byte_length));
napi_value output_buffer;
void* output_ptr = NULL;
NAPI_CALL(env, napi_create_arraybuffer(
env, byte_length, &output_ptr, &output_buffer));
napi_value output_array;
NAPI_CALL(env, napi_create_typedarray(
env, type, length, output_buffer, byte_offset, &output_array));
if (type == napi_uint8_array) {
uint8_t* input_bytes = (uint8_t*)(data) + byte_offset;
uint8_t* output_bytes = (uint8_t*)(output_ptr);
for (i = 0; i < length; i++) {
output_bytes[i] = (uint8_t)(input_bytes[i] * multiplier);
}
} else if (type == napi_float64_array) {
double* input_doubles = (double*)((uint8_t*)(data) + byte_offset);
double* output_doubles = (double*)(output_ptr);
for (i = 0; i < length; i++) {
output_doubles[i] = input_doubles[i] * multiplier;
}
} else {
napi_throw_error(env, NULL,
"Typed array was of a type not expected by test.");
return NULL;
}
return output_array;
}
static napi_value CreateTypedArray(napi_env env, napi_callback_info info) {
size_t argc = 4;
napi_value args[4];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc == 2 || argc == 4, "Wrong number of arguments");
napi_value input_array = args[0];
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, input_array, &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_object,
"Wrong type of arguments. Expects a typed array as first argument.");
bool is_typedarray;
NAPI_CALL(env, napi_is_typedarray(env, input_array, &is_typedarray));
NAPI_ASSERT(env, is_typedarray,
"Wrong type of arguments. Expects a typed array as first argument.");
napi_valuetype valuetype1;
napi_value input_buffer = args[1];
NAPI_CALL(env, napi_typeof(env, input_buffer, &valuetype1));
NAPI_ASSERT(env, valuetype1 == napi_object,
"Wrong type of arguments. Expects an array buffer as second argument.");
bool is_arraybuffer;
NAPI_CALL(env, napi_is_arraybuffer(env, input_buffer, &is_arraybuffer));
NAPI_ASSERT(env, is_arraybuffer,
"Wrong type of arguments. Expects an array buffer as second argument.");
napi_typedarray_type type;
napi_value in_array_buffer;
size_t byte_offset;
size_t length;
NAPI_CALL(env, napi_get_typedarray_info(
env, input_array, &type, &length, NULL, &in_array_buffer, &byte_offset));
if (argc == 4) {
napi_valuetype valuetype2;
NAPI_CALL(env, napi_typeof(env, args[2], &valuetype2));
NAPI_ASSERT(env, valuetype2 == napi_number,
"Wrong type of arguments. Expects a number as third argument.");
uint32_t uint32_length;
NAPI_CALL(env, napi_get_value_uint32(env, args[2], &uint32_length));
length = uint32_length;
napi_valuetype valuetype3;
NAPI_CALL(env, napi_typeof(env, args[3], &valuetype3));
NAPI_ASSERT(env, valuetype3 == napi_number,
"Wrong type of arguments. Expects a number as third argument.");
uint32_t uint32_byte_offset;
NAPI_CALL(env, napi_get_value_uint32(env, args[3], &uint32_byte_offset));
byte_offset = uint32_byte_offset;
}
napi_value output_array;
NAPI_CALL(env, napi_create_typedarray(
env, type, length, input_buffer, byte_offset, &output_array));
return output_array;
}
void Test(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 < 2) {
napi_throw_type_error(env, "Wrong number of arguments");
return;
}
napi_value args[2];
status = napi_get_cb_args(env, info, args, 2);
if (status != napi_ok) return;
napi_valuetype valuetype0;
status = napi_typeof(env, args[0], &valuetype0);
if (status != napi_ok) return;
if (valuetype0 != napi_object) {
napi_throw_type_error(
env, "Wrong type of argments. Expects an array as first argument.");
return;
}
napi_valuetype valuetype1;
status = napi_typeof(env, args[1], &valuetype1);
if (status != napi_ok) return;
if (valuetype1 != napi_number) {
napi_throw_type_error(
env, "Wrong type of argments. Expects an integer as second argument.");
return;
}
napi_value array = args[0];
int index;
status = napi_get_value_int32(env, args[1], &index);
if (status != napi_ok) return;
bool isarray;
status = napi_is_array(env, array, &isarray);
if (status != napi_ok) return;
if (isarray) {
uint32_t size;
status = napi_get_array_length(env, array, &size);
if (status != napi_ok) return;
if (index >= (int)(size)) {
napi_value str;
status = napi_create_string_utf8(env, "Index out of bound!", -1, &str);
if (status != napi_ok) return;
status = napi_set_return_value(env, info, str);
if (status != napi_ok) return;
} else if (index < 0) {
napi_throw_type_error(env, "Invalid index. Expects a positive integer.");
} else {
napi_value ret;
status = napi_get_element(env, array, index, &ret);
if (status != napi_ok) return;
status = napi_set_return_value(env, info, ret);
if (status != napi_ok) return;
}
}
}
