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// Providing the string representation of POS id.

#ifndef MOZC_CONVERTER_POS_ID_PRINTER_H_
#define MOZC_CONVERTER_POS_ID_PRINTER_H_

#include <istream>
#include <map>
#include <string>

#include "base/port.h"

namespace mozc {
namespace internal {

// Example:
//  PosIdPrinter pos_id_printer(InputFileStream("id.def"));
//  EXPECT_EQ("名詞,サ変接続,*,*,*,*,*",
//            pos_id_printer.IdToString(1934));
//  EXPECT_EQ("",
//            pos_id_printer.IdToString(-1));  // invalid id
class PosIdPrinter {
 public:
  explicit PosIdPrinter(std::istream *id_def);

  ~PosIdPrinter();

  // Returns POS string for the given id.
  // For an invalid id, returns empty string.
  std::string IdToString(int id) const;

 private:
  std::map<int, std::string> id_to_pos_map_;

  DISALLOW_COPY_AND_ASSIGN(PosIdPrinter);
};

}  // namespace internal
}  // namespace mozc

#endif  // MOZC_CONVERTER_POS_ID_PRINTER_H_