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#ifndef MOZC_CONVERTER_CONNECTOR_H_
#define MOZC_CONVERTER_CONNECTOR_H_
#include <memory>
#include <vector>
#include "base/port.h"
#include "base/status.h"
#include "base/statusor.h"
namespace mozc {
class DataManagerInterface;
class Connector final {
public:
static constexpr int16 kInvalidCost = 30000;
static mozc::StatusOr<std::unique_ptr<Connector>> CreateFromDataManager(
const DataManagerInterface &data_manager);
static mozc::StatusOr<std::unique_ptr<Connector>> Create(
const char *connection_data, size_t connection_size, int cache_size);
Connector();
~Connector();
Connector(const Connector &) = delete;
Connector &operator=(const Connector &) = delete;
int GetTransitionCost(uint16 rid, uint16 lid) const;
int GetResolution() const;
void ClearCache();
private:
class Row;
mozc::Status Init(const char *connection_data, size_t connection_size,
int cache_size);
int LookupCost(uint16 rid, uint16 lid) const;
std::vector<std::unique_ptr<Row>> rows_;
const uint16 *default_cost_ = nullptr;
int resolution_ = 0;
int cache_size_ = 0;
uint32 cache_hash_mask_ = 0;
mutable std::unique_ptr<uint32[]> cache_key_;
mutable std::unique_ptr<int[]> cache_value_;
};
} // namespace mozc
#endif // MOZC_CONVERTER_CONNECTOR_H_