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#pragma once
#ifndef MARISA_SCOPED_ARRAY_H_
#define MARISA_SCOPED_ARRAY_H_
#include "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_
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