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#ifndef MOZC_REWRITER_EMBEDDED_DICTIONARY_H_
#define MOZC_REWRITER_EMBEDDED_DICTIONARY_H_

#include <string>
#include "base/port.h"

namespace mozc {

// EmbeddedDictionary is used for
// - SingleKanji dictionary
// - Symbol dictionary
class EmbeddedDictionary {
 public:
  // This should be same as CompilerToken excepting the key.
  struct Value {
    const char *value;
    const char *description;
    // Currently, additional description is used only for symbol dictionary.
    const char *additional_description;
    uint16 lid;
    uint16 rid;
    int16  cost;
  };

  struct Token {
    const  char *key;
    const  Value *value;
    size_t value_size;
  };

  // Initialize dictionary with a constant token table
  // generated with Compile method
  EmbeddedDictionary(const Token *token, size_t size);
  virtual ~EmbeddedDictionary();

  // Lookup key. Return NULL if no key is found.
  // Usage:
  // token = dic.Lookup(key);
  // if (value != token) {
  //   for (size_t i = 0; i < token->value_size; ++i) {
  //     cout << token->value[i].value;
  //   }
  // }
  const Token *Lookup(const string &key) const;

  // return All tokens this dictionary holds.
  const Token *AllToken() const;

  // Given mozc-dictionary tsv file (e.g, data/dictionary/dic.txt)
  // output *.h file that contains array of token.
  //
  // static const EmbeddedDictionary::Token k$(NAME)_token_data[] and
  // static const size_t k$(NAME)_token_size;
  static void Compile(const string &name,
                      const string &input,
                      const string &output);

 private:
  const Token *token_;
  const size_t size_;
};

}  // namespace mozc

#endif  // MOZC_REWRITER_EMBEDDED_DICTIONARY_H_