| 867 | } |
| 868 | |
| 869 | void ByteString::Swap(ByteString& other) { |
| 870 | ABSL_DCHECK_NE(&other, this); |
| 871 | using std::swap; |
| 872 | |
| 873 | switch (other.GetKind()) { |
| 874 | case ByteStringKind::kSmall: |
| 875 | switch (GetKind()) { |
| 876 | case ByteStringKind::kSmall: |
| 877 | // small <=> small |
| 878 | swap(rep_.small, other.rep_.small); |
| 879 | break; |
| 880 | case ByteStringKind::kMedium: |
| 881 | // medium <=> small |
| 882 | swap(rep_, other.rep_); |
| 883 | break; |
| 884 | case ByteStringKind::kLarge: { |
| 885 | absl::Cord cord = std::move(GetLarge()); |
| 886 | DestroyLarge(); |
| 887 | rep_ = other.rep_; |
| 888 | other.SetLarge(std::move(cord)); |
| 889 | } break; |
| 890 | } |
| 891 | break; |
| 892 | case ByteStringKind::kMedium: |
| 893 | switch (GetKind()) { |
| 894 | case ByteStringKind::kSmall: |
| 895 | swap(rep_, other.rep_); |
| 896 | break; |
| 897 | case ByteStringKind::kMedium: |
| 898 | swap(rep_.medium, other.rep_.medium); |
| 899 | break; |
| 900 | case ByteStringKind::kLarge: { |
| 901 | absl::Cord cord = std::move(GetLarge()); |
| 902 | DestroyLarge(); |
| 903 | rep_ = other.rep_; |
| 904 | other.SetLarge(std::move(cord)); |
| 905 | } break; |
| 906 | } |
| 907 | break; |
| 908 | case ByteStringKind::kLarge: |
| 909 | switch (GetKind()) { |
| 910 | case ByteStringKind::kSmall: { |
| 911 | absl::Cord cord = std::move(other.GetLarge()); |
| 912 | other.DestroyLarge(); |
| 913 | other.rep_.small = rep_.small; |
| 914 | SetLarge(std::move(cord)); |
| 915 | } break; |
| 916 | case ByteStringKind::kMedium: { |
| 917 | absl::Cord cord = std::move(other.GetLarge()); |
| 918 | other.DestroyLarge(); |
| 919 | other.rep_.medium = rep_.medium; |
| 920 | SetLarge(std::move(cord)); |
| 921 | } break; |
| 922 | case ByteStringKind::kLarge: |
| 923 | swap(GetLarge(), other.GetLarge()); |
| 924 | break; |
| 925 | } |
| 926 | break; |