mitkException.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/

#ifndef MITKEXCEPTION_H_INCLUDED
#define MITKEXCEPTION_H_INCLUDED

#include <MitkCoreExports.h>
#include <itkMacro.h>
#include <vector>

namespace mitk
{
  class MITKCORE_EXPORT Exception : public itk::ExceptionObject
  {
  public:
    Exception(const char *file, unsigned int lineNumber = 0, const char *desc = "None", const char *loc = "Unknown")
      : itk::ExceptionObject(file, lineNumber, desc, loc)
    {
    }

    ~Exception() throw() override {}
    itkTypeMacro(ClassName, SuperClassName);

    void AddRethrowData(const char *file, unsigned int lineNumber, const char *message);

    int GetNumberOfRethrows();

    void GetRethrowData(int rethrowNumber, std::string &file, int &line, std::string &message);

    template <class T>
    inline Exception &operator<<(const T &data)
    {
      std::stringstream ss;
      ss << this->GetDescription() << data;
      this->SetDescription(ss.str());
      return *this;
    }

    template <class T>
    inline Exception &operator<<(T &data)
    {
      std::stringstream ss;
      ss << this->GetDescription() << data;
      this->SetDescription(ss.str());
      return *this;
    }

    inline Exception &operator<<(std::ostream &(*func)(std::ostream &))
    {
      std::stringstream ss;
      ss << this->GetDescription() << func;
      this->SetDescription(ss.str());
      return *this;
    }

  protected:
    struct ReThrowData
    {
      std::string RethrowClassname;
      unsigned int RethrowLine;
      std::string RethrowMessage;
    };

    std::vector<ReThrowData> m_RethrowData;
  };

  MITKCORE_EXPORT std::ostream &operator<<(std::ostream &os, const mitk::Exception &e);
} // namespace mitk

#endif