| #ifndef MARISA_SCOPED_ARRAY_H_ |
| #define MARISA_SCOPED_ARRAY_H_ |
| |
| #include "marisa/base.h" |
| |
| namespace marisa { |
| |
| template <typename T> |
| class scoped_array { |
| public: |
| scoped_array() : array_(NULL) {} |
| explicit scoped_array(T *array) : array_(array) {} |
| |
| ~scoped_array() { |
| delete [] array_; |
| } |
| |
| void reset(T *array = NULL) { |
| MARISA_THROW_IF((array != NULL) && (array == array_), MARISA_RESET_ERROR); |
| scoped_array(array).swap(*this); |
| } |
| |
| T &operator[](std::size_t i) const { |
| MARISA_DEBUG_IF(array_ == NULL, MARISA_STATE_ERROR); |
| return array_[i]; |
| } |
| T *get() const { |
| return array_; |
| } |
| |
| void clear() { |
| scoped_array().swap(*this); |
| } |
| void swap(scoped_array &rhs) { |
| marisa::swap(array_, rhs.array_); |
| } |
| |
| private: |
| T *array_; |
| |
| // Disallows copy and assignment. |
| scoped_array(const scoped_array &); |
| scoped_array &operator=(const scoped_array &); |
| }; |
| |
| } // namespace marisa |
| |
| #endif // MARISA_SCOPED_ARRAY_H_ |