XBase.h

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/*
 * Deskflow -- mouse and keyboard sharing utility
 * SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
 * SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
 * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
 */
 
#pragma once
 
#include <stdexcept>
#include <string>


class XBase : public std::runtime_error
{
public:
  XBase();
  explicit XBase(const std::string &msg);
  ~XBase() throw() override = default;

  const char *what() const throw() override;
 
protected:
  virtual std::string getWhat() const noexcept
  {
    return "";
  }


  virtual std::string format(const char *id, const char *defaultFormat, ...) const noexcept;
 
private:
  mutable std::string m_what;
};