| 1 | #ifndef ML_STRING_WRAPPER_H |
| 2 | #define ML_STRING_WRAPPER_H |
| 3 | |
| 4 | #include "libnetdata/libnetdata.h" |
| 5 | |
| 6 | #include <algorithm> |
| 7 | |
| 8 | class StringWrapper { |
| 9 | public: |
| 10 | StringWrapper() noexcept : Inner(nullptr) |
| 11 | { |
| 12 | } |
| 13 | |
| 14 | explicit StringWrapper(const char *S) noexcept : Inner(string_strdupz(S)) |
| 15 | { |
| 16 | } |
| 17 | |
| 18 | explicit StringWrapper(STRING *S) noexcept : Inner(string_dup(S)) |
| 19 | { |
| 20 | } |
| 21 | |
| 22 | StringWrapper(const StringWrapper &Other) noexcept : Inner(string_dup(Other.Inner)) |
| 23 | { |
| 24 | } |
| 25 | |
| 26 | StringWrapper &operator=(const StringWrapper &Other) noexcept |
| 27 | { |
| 28 | if (this != &Other) { |
| 29 | STRING *Tmp = string_dup(Other.Inner); |
| 30 | string_freez(Inner); |
| 31 | Inner = Tmp; |
| 32 | } |
| 33 | return *this; |
| 34 | } |
| 35 | |
| 36 | StringWrapper(StringWrapper &&Other) noexcept : Inner(Other.Inner) |
| 37 | { |
| 38 | Other.Inner = nullptr; |
| 39 | } |
| 40 | |
| 41 | StringWrapper &operator=(StringWrapper &&Other) noexcept |
| 42 | { |
| 43 | if (this != &Other) { |
| 44 | string_freez(Inner); |
| 45 | Inner = Other.Inner; |
| 46 | Other.Inner = nullptr; |
| 47 | } |
| 48 | return *this; |
| 49 | } |
| 50 | |
| 51 | ~StringWrapper() |
| 52 | { |
| 53 | string_freez(Inner); |
| 54 | } |
| 55 | |
| 56 | STRING *inner() const noexcept |
| 57 | { |
| 58 | return Inner; |
| 59 | } |
| 60 | |
| 61 | operator const char *() const noexcept |
| 62 | { |
| 63 | return string2str(Inner); |
| 64 | } |
| 65 | |
| 66 | void swap(StringWrapper &Other) noexcept |
| 67 | { |
| 68 | std::swap(Inner, Other.Inner); |
| 69 | } |
| 70 | |
| 71 | private: |
| 72 | STRING *Inner; |
| 73 | }; |
| 74 | |
| 75 | // Free swap function |
| 76 | inline void swap(StringWrapper &LHS, StringWrapper &RHS) noexcept |
| 77 | { |
| 78 | LHS.swap(RHS); |
| 79 | } |
| 80 | |
| 81 | #endif /* ML_STRING_WRAPPER_H */ |