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#ifndef MOZC_DICTIONARY_DICTIONARY_TOKEN_H_
#define MOZC_DICTIONARY_DICTIONARY_TOKEN_H_

#include <string>

#include "base/port.h"

namespace mozc {
namespace dictionary {

struct Token {
  typedef uint8 AttributesBitfield;

  enum Attribute {
    NONE = 0,
    SPELLING_CORRECTION = 1,
    LABEL_SIZE = 2,
    // * CAUTION *
    // If you are going to add new attributes, make sure that they have larger
    // values than LABEL_SIZE!! The attributes having less values than it are
    // tightly integrated with the system dictionary codec.

    // The following attribute is not stored in the system dictionary but is
    // added by dictionary modules when looking up from user dictionary.
    USER_DICTIONARY = 1 << 7,
  };

  Token() : cost(0), lid(0), rid(0), attributes(NONE) {}

  string key;
  string value;
  int    cost;
  int    lid;
  int    rid;
  AttributesBitfield attributes;
};

}  // namespace dictionary
}  // namespace mozc

#endif  // MOZC_DICTIONARY_DICTIONARY_TOKEN_H_