Exception.h

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//===-- serialbox/core/Exception.h --------------------------------------------------*- C++ -*-===//
//
//                                    S E R I A L B O X
//
// This file is distributed under terms of BSD license.
// See LICENSE.txt for more information
//
//===------------------------------------------------------------------------------------------===//
//
//===------------------------------------------------------------------------------------------===//

#ifndef SERIALBOX_CORE_EXCEPTION_H
#define SERIALBOX_CORE_EXCEPTION_H

#include <boost/format.hpp>
#include <stdexcept>

namespace serialbox {


class Exception : public std::runtime_error {
public:
  template <typename... Args>
  Exception(const char* fmt, Args&&... args)
      : std::runtime_error(formatVargs(fmt, std::forward<Args>(args)...)) {}

private:
  template <typename... Args>
  std::string formatVargs(const std::string& fmt, Args&&... args) {
    boost::format f(fmt);
    int unroll[]{0, (f % std::forward<Args>(args), 0)...};
    static_cast<void>(unroll);
    return boost::str(f);
  }
};


} // namespace serialbox

#endif