static napi_value CreateDataView(napi_env env, napi_callback_info info) {
size_t argc = 3;
napi_value args [3];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc == 3, "Wrong number of arguments");
napi_valuetype valuetype0;
napi_value arraybuffer = args[0];
NAPI_CALL(env, napi_typeof(env, arraybuffer, &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_object,
"Wrong type of arguments. Expects a ArrayBuffer as the first "
"argument.");
bool is_arraybuffer;
NAPI_CALL(env, napi_is_arraybuffer(env, arraybuffer, &is_arraybuffer));
NAPI_ASSERT(env, is_arraybuffer,
"Wrong type of arguments. Expects a ArrayBuffer as the first "
"argument.");
napi_valuetype valuetype1;
NAPI_CALL(env, napi_typeof(env, args[1], &valuetype1));
NAPI_ASSERT(env, valuetype1 == napi_number,
"Wrong type of arguments. Expects a number as second argument.");
size_t byte_offset = 0;
NAPI_CALL(env, napi_get_value_uint32(env, args[1], (uint32_t*)(&byte_offset)));
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.");
size_t length = 0;
NAPI_CALL(env, napi_get_value_uint32(env, args[2], (uint32_t*)(&length)));
napi_value output_dataview;
NAPI_CALL(env,
napi_create_dataview(env, length, arraybuffer,
byte_offset, &output_dataview));
return output_dataview;
}
napi_value CreateTypedArray(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_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 argments. 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 argments. 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 argments. 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 argments. 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));
napi_value output_array;
NAPI_CALL(env, napi_create_typedarray(
env, type, length, input_buffer, byte_offset, &output_array));
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;
}
