Logging.h

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/*
 * RBDL - Rigid Body Dynamics Library
 * Copyright (c) 2011-2018 Martin Felis <martin@fysx.org>
 *
 * Licensed under the zlib license. See LICENSE for more details.
 */
 
#ifndef RBDL_LOGGING_H
#define RBDL_LOGGING_H
 
#include <sstream>
#include <rbdl/rbdl_config.h>
 
class LoggingGuard;
 
#ifndef RBDL_ENABLE_LOGGING
#define LOG if (false) LogOutput 
#define SUPPRESS_LOGGING ;
#else
#define LOG LogOutput
#define SUPPRESS_LOGGING LoggingGuard _nolog
#endif
 
extern RBDL_DLLAPI std::ostringstream LogOutput;
RBDL_DLLAPI void ClearLogOutput ();
 
class RBDL_DLLAPI LoggingGuard {
  public:
    LoggingGuard() {
      log_backup.str("");
      log_backup << LogOutput.str();
    }
    ~LoggingGuard() {
      LogOutput.str("");
      LogOutput << log_backup.str();
    }
 
  private:
    std::ostringstream log_backup;
};
 
/* RBDL_LOGGING_H */
#endif