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Add range constraints for applicable array parameters #2828

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119 changes: 84 additions & 35 deletions rclcpp/src/rclcpp/node_interfaces/node_parameters.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -192,6 +192,65 @@ format_range_reason(const std::string & name, const char * range_type)
return ss.str();
}

RCLCPP_LOCAL
rcl_interfaces::msg::SetParametersResult
__check_integer_range(
const rcl_interfaces::msg::ParameterDescriptor & descriptor,
const int64_t value)
{
rcl_interfaces::msg::SetParametersResult result;
result.successful = true;
auto integer_range = descriptor.integer_range.at(0);
if (value == integer_range.from_value || value == integer_range.to_value) {
return result;
}
if ((value < integer_range.from_value) || (value > integer_range.to_value)) {
result.successful = false;
result.reason = format_range_reason(descriptor.name, "integer");
return result;
}
if (integer_range.step == 0) {
return result;
}
if (((value - integer_range.from_value) % integer_range.step) == 0) {
return result;
}
result.successful = false;
result.reason = format_range_reason(descriptor.name, "integer");
return result;
}

RCLCPP_LOCAL
rcl_interfaces::msg::SetParametersResult
__check_double_range(
const rcl_interfaces::msg::ParameterDescriptor & descriptor,
const double value)
{
rcl_interfaces::msg::SetParametersResult result;
result.successful = true;
auto fp_range = descriptor.floating_point_range.at(0);
if (__are_doubles_equal(value, fp_range.from_value) || __are_doubles_equal(value,
fp_range.to_value))
{
return result;
}
if ((value < fp_range.from_value) || (value > fp_range.to_value)) {
result.successful = false;
result.reason = format_range_reason(descriptor.name, "floating point");
return result;
}
if (fp_range.step == 0.0) {
return result;
}
double rounded_div = std::round((value - fp_range.from_value) / fp_range.step);
if (__are_doubles_equal(value, fp_range.from_value + rounded_div * fp_range.step)) {
return result;
}
result.successful = false;
result.reason = format_range_reason(descriptor.name, "floating point");
return result;
}

RCLCPP_LOCAL
rcl_interfaces::msg::SetParametersResult
__check_parameter_value_in_range(
Expand All @@ -201,49 +260,39 @@ __check_parameter_value_in_range(
rcl_interfaces::msg::SetParametersResult result;
result.successful = true;
if (!descriptor.integer_range.empty() && value.get_type() == rclcpp::PARAMETER_INTEGER) {
int64_t v = value.get<int64_t>();
auto integer_range = descriptor.integer_range.at(0);
if (v == integer_range.from_value || v == integer_range.to_value) {
return result;
}
if ((v < integer_range.from_value) || (v > integer_range.to_value)) {
result.successful = false;
result.reason = format_range_reason(descriptor.name, "integer");
return result;
}
if (integer_range.step == 0) {
return result;
}
if (((v - integer_range.from_value) % integer_range.step) == 0) {
return result;
result = __check_integer_range(descriptor, value.get<int64_t>());
return result;
}

if (!descriptor.integer_range.empty() && value.get_type() == rclcpp::PARAMETER_INTEGER_ARRAY) {
std::vector<int64_t> val_array = value.get<std::vector<int64_t>>();
for (const int64_t & val : val_array) {
result = __check_integer_range(descriptor, val);
if (!result.successful) {
return result;
}
}
result.successful = false;
result.reason = format_range_reason(descriptor.name, "integer");
return result;
}

if (!descriptor.floating_point_range.empty() && value.get_type() == rclcpp::PARAMETER_DOUBLE) {
double v = value.get<double>();
auto fp_range = descriptor.floating_point_range.at(0);
if (__are_doubles_equal(v, fp_range.from_value) || __are_doubles_equal(v, fp_range.to_value)) {
return result;
}
if ((v < fp_range.from_value) || (v > fp_range.to_value)) {
result.successful = false;
result.reason = format_range_reason(descriptor.name, "floating point");
return result;
}
if (fp_range.step == 0.0) {
return result;
}
double rounded_div = std::round((v - fp_range.from_value) / fp_range.step);
if (__are_doubles_equal(v, fp_range.from_value + rounded_div * fp_range.step)) {
return result;
result = __check_double_range(descriptor, value.get<double>());
return result;
}

if (!descriptor.floating_point_range.empty() &&
value.get_type() == rclcpp::PARAMETER_DOUBLE_ARRAY)
{
std::vector<double> val_array = value.get<std::vector<double>>();
for (const double & val : val_array) {
result = __check_double_range(descriptor, val);
if (!result.successful) {
return result;
}
}
result.successful = false;
result.reason = format_range_reason(descriptor.name, "floating point");
return result;
}

return result;
}

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