| 731 | } |
| 732 | |
| 733 | fl::shared_ptr<json_value> optimize_array(fl::shared_ptr<json_value> array_val) { |
| 734 | auto arr = array_val->data.ptr<json_array>(); |
| 735 | if (!arr) return array_val; |
| 736 | |
| 737 | ArrayType type = classify_array(*arr); |
| 738 | |
| 739 | switch (type) { |
| 740 | case ALL_UINT8: { |
| 741 | fl::vector<u8> vec; |
| 742 | vec.reserve(arr->size()); |
| 743 | for (const auto& elem : *arr) { |
| 744 | auto val = elem->as_int(); |
| 745 | if (val) vec.push_back(static_cast<u8>(*val)); |
| 746 | } |
| 747 | return fl::make_shared<json_value>(fl::move(vec)); |
| 748 | } |
| 749 | |
| 750 | case ALL_INT16: { |
| 751 | fl::vector<i16> vec; |
| 752 | vec.reserve(arr->size()); |
| 753 | for (const auto& elem : *arr) { |
| 754 | auto val = elem->as_int(); |
| 755 | if (val) vec.push_back(static_cast<i16>(*val)); |
| 756 | } |
| 757 | return fl::make_shared<json_value>(fl::move(vec)); |
| 758 | } |
| 759 | |
| 760 | case ALL_FLOATS: { |
| 761 | fl::vector<float> vec; |
| 762 | vec.reserve(arr->size()); |
| 763 | for (const auto& elem : *arr) { |
| 764 | if (elem->is_float()) { |
| 765 | auto val = elem->as_float(); |
| 766 | if (val) vec.push_back(*val); |
| 767 | } else if (elem->is_int()) { |
| 768 | auto val = elem->as_int(); |
| 769 | if (val) { |
| 770 | // Route i64 -> float via i32 to avoid the direct cast |
| 771 | // pulling libgcc-nofp's `_floatdisf.o` (~5 KB of soft-FP |
| 772 | // double cascade) on no-FPU targets. ALL_FLOATS |
| 773 | // classification only fires when every int is within |
| 774 | // +/-2^24 anyway (classify_array line 717), so the int32 |
| 775 | // narrowing is lossless. See FastLED #3076. |
| 776 | vec.push_back(static_cast<float>(static_cast<fl::i32>(*val))); |
| 777 | } |
| 778 | } |
| 779 | } |
| 780 | return fl::make_shared<json_value>(fl::move(vec)); |
| 781 | } |
| 782 | |
| 783 | default: |
| 784 | return array_val; // Keep as generic array |
| 785 | } |
| 786 | } |
| 787 | |
| 788 | // Builder - handles nested objects/arrays with stack management (Milestone 6) |
| 789 | class JsonBuilder : public JsonVisitor { |