Пример #1
0
napi_value New(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_object,
    "Wrong type of arguments. Expects an array as first argument.");

  napi_value ret;
  NAPI_CALL(env, napi_create_array(env, &ret));

  uint32_t i, length;
  NAPI_CALL(env, napi_get_array_length(env, args[0], &length));

  for (i = 0; i < length; i++) {
    napi_value e;
    NAPI_CALL(env, napi_get_element(env, args[0], i, &e));
    NAPI_CALL(env, napi_set_element(env, ret, i, e));
  }

  return ret;
}
Пример #2
0
napi_value Inflate(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_object,
    "Wrong type of arguments. Expects an object as first argument.");

  napi_value obj = args[0];
  napi_value propertynames;
  NAPI_CALL(env, napi_get_property_names(env, obj, &propertynames));

  uint32_t i, length;
  NAPI_CALL(env, napi_get_array_length(env, propertynames, &length));

  for (i = 0; i < length; i++) {
    napi_value property_str;
    NAPI_CALL(env, napi_get_element(env, propertynames, i, &property_str));

    napi_value value;
    NAPI_CALL(env, napi_get_property(env, obj, property_str, &value));

    double double_val;
    NAPI_CALL(env, napi_get_value_double(env, value, &double_val));
    NAPI_CALL(env, napi_create_double(env, double_val + 1, &value));
    NAPI_CALL(env, napi_set_property(env, obj, property_str, value));
  }

  return obj;
}
Пример #3
0
napi_value Test(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 arguments. Expects an 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 arguments. Expects an integer as second argument.");

  napi_value array = args[0];
  int32_t index;
  NAPI_CALL(env, napi_get_value_int32(env, args[1], &index));

  NAPI_ASSERT(env, index >= 0, "Invalid index. Expects a positive integer.");

  bool isarray;
  NAPI_CALL(env, napi_is_array(env, array, &isarray));

  if (!isarray) {
    return NULL;
  }

  uint32_t length;
  NAPI_CALL(env, napi_get_array_length(env, array, &length));

  if ((uint32_t)index >= length) {
    napi_value str;
    const char* str_val = "Index out of bound!";
    size_t str_len = strlen(str_val);
    NAPI_CALL(env, napi_create_string_utf8(env, str_val, str_len, &str));

    return str;
  }

  napi_value ret;
  NAPI_CALL(env, napi_get_element(env, array, index, &ret));

  return ret;
}
Пример #4
0
void New(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_object) {
    napi_throw_type_error(
        env, "Wrong type of argments. Expects an array as first argument.");
    return;
  }

  napi_value ret;
  status = napi_create_array(env, &ret);
  if (status != napi_ok) return;

  uint32_t i, length;
  status = napi_get_array_length(env, args[0], &length);
  if (status != napi_ok) return;

  for (i = 0; i < length; i++) {
    napi_value e;
    status = napi_get_element(env, args[0], i, &e);
    if (status != napi_ok) return;

    status = napi_set_element(env, ret, i, e);
    if (status != napi_ok) return;
  }

  status = napi_set_return_value(env, info, ret);
  if (status != napi_ok) return;
}
Пример #5
0
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;
    }
  }
}