| 39 | } |
| 40 | |
| 41 | class TDescriptor : NNonCopyable::TNonCopyable { |
| 42 | private: |
| 43 | void* Descriptor_; |
| 44 | const char* From_; |
| 45 | const char* To_; |
| 46 | |
| 47 | public: |
| 48 | template <class TFrom, class TTo> |
| 49 | inline TDescriptor(TFrom from, TTo to) |
| 50 | : TDescriptor(CharsetName(from), CharsetName(to)) |
| 51 | { |
| 52 | } |
| 53 | |
| 54 | TDescriptor(const char* from, const char* to); |
| 55 | |
| 56 | ~TDescriptor(); |
| 57 | |
| 58 | inline void* Get() const { |
| 59 | return Descriptor_; |
| 60 | } |
| 61 | |
| 62 | inline bool Invalid() const { |
| 63 | return Descriptor_ == (void*)(-1); |
| 64 | } |
| 65 | |
| 66 | inline const char* From() const noexcept { |
| 67 | return From_; |
| 68 | } |
| 69 | |
| 70 | inline const char* To() const noexcept { |
| 71 | return To_; |
| 72 | } |
| 73 | }; |
| 74 | |
| 75 | template <class TFrom, class TTo> |
| 76 | inline bool CanConvert(TFrom from, TTo to) { |