Attempts to coalesce one map key to another. Returns true if it was possible, false otherwise.
| 588 | // Attempts to coalesce one map key to another. Returns true if it was possible, |
| 589 | // false otherwise. |
| 590 | bool CoalesceMapKey(const google::protobuf::MapKey& src, |
| 591 | FieldDescriptor::CppType dest_type, |
| 592 | google::protobuf::MapKey* absl_nonnull dest) { |
| 593 | switch (src.type()) { |
| 594 | case FieldDescriptor::CPPTYPE_BOOL: |
| 595 | if (dest_type != FieldDescriptor::CPPTYPE_BOOL) { |
| 596 | return false; |
| 597 | } |
| 598 | dest->SetBoolValue(src.GetBoolValue()); |
| 599 | return true; |
| 600 | case FieldDescriptor::CPPTYPE_INT32: { |
| 601 | const auto src_value = src.GetInt32Value(); |
| 602 | switch (dest_type) { |
| 603 | case FieldDescriptor::CPPTYPE_INT32: |
| 604 | dest->SetInt32Value(src_value); |
| 605 | return true; |
| 606 | case FieldDescriptor::CPPTYPE_INT64: |
| 607 | dest->SetInt64Value(src_value); |
| 608 | return true; |
| 609 | case FieldDescriptor::CPPTYPE_UINT32: |
| 610 | if (src_value < 0) { |
| 611 | return false; |
| 612 | } |
| 613 | dest->SetUInt32Value(static_cast<uint32_t>(src_value)); |
| 614 | return true; |
| 615 | case FieldDescriptor::CPPTYPE_UINT64: |
| 616 | if (src_value < 0) { |
| 617 | return false; |
| 618 | } |
| 619 | dest->SetUInt64Value(static_cast<uint64_t>(src_value)); |
| 620 | return true; |
| 621 | default: |
| 622 | return false; |
| 623 | } |
| 624 | } |
| 625 | case FieldDescriptor::CPPTYPE_INT64: { |
| 626 | const auto src_value = src.GetInt64Value(); |
| 627 | switch (dest_type) { |
| 628 | case FieldDescriptor::CPPTYPE_INT32: |
| 629 | if (src_value < std::numeric_limits<int32_t>::min() || |
| 630 | src_value > std::numeric_limits<int32_t>::max()) { |
| 631 | return false; |
| 632 | } |
| 633 | dest->SetInt32Value(static_cast<int32_t>(src_value)); |
| 634 | return true; |
| 635 | case FieldDescriptor::CPPTYPE_INT64: |
| 636 | dest->SetInt64Value(src_value); |
| 637 | return true; |
| 638 | case FieldDescriptor::CPPTYPE_UINT32: |
| 639 | if (src_value < 0 || |
| 640 | src_value > std::numeric_limits<uint32_t>::max()) { |
| 641 | return false; |
| 642 | } |
| 643 | dest->SetUInt32Value(static_cast<uint32_t>(src_value)); |
| 644 | return true; |
| 645 | case FieldDescriptor::CPPTYPE_UINT64: |
| 646 | if (src_value < 0) { |
| 647 | return false; |
no test coverage detected