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#include "converter/connection_data_injected_environment.h"

#include "base/mmap.h"
#include "base/port.h"
#include "base/singleton.h"
#include "converter/connector_interface.h"

DEFINE_string(mozc_connection_data_file, "",
              "The path to connection data file.");

namespace mozc {
namespace {
class ConnectionDataInjector {
 private:
  ConnectionDataInjector() {
    // TODO(hidehiko): We should get rid of SetConnectionData to inject
    //   mmapped files. We need redesign about the architecture of Connector
    //   (or other global like data structures), but to keep the current test
    //   pass.
    CHECK(mmapped_file_.Open(FLAGS_mozc_connection_data_file.c_str()));
    ConnectorFactory::SetConnectionData(
        mmapped_file_.begin(), mmapped_file_.GetFileSize());
  }

  friend class Singleton<ConnectionDataInjector>;

  Mmap<char> mmapped_file_;
  DISALLOW_COPY_AND_ASSIGN(ConnectionDataInjector);
};
}  // namespace

void ConnectionDataInjectedEnvironment::SetUp() {
  // Initialize only once.
  Singleton<ConnectionDataInjector>::get();
}
}  // namespace mozc