ostream_redirect.hh

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#ifndef DUNE_COPASI_COMMON_OSTREAM_REDIRECT_HH
#define DUNE_COPASI_COMMON_OSTREAM_REDIRECT_HH
 
#include <dune-copasi-config.hh>
 
#include <function2/function2.hpp>
 
#include <memory>
#include <ostream>
#include <sstream>
 
namespace Dune::Copasi {
 
class OStreamRedirect final : public std::stringbuf
{
 
  using Base = std::stringbuf;
 
  OStreamRedirect(std::ostream& ostream,
                  fu2::unique_function<void(std::string_view)> redirection,
                  bool line_buffered);
 
public:
  ~OStreamRedirect() override;
 
  [[nodiscard]] static std::unique_ptr<OStreamRedirect> make(
    std::ostream& ostream,
    fu2::unique_function<void(std::string_view)> redirection,
    bool line_buffered = true);
 
  OStreamRedirect(const OStreamRedirect& other) = delete;
  OStreamRedirect& operator=(const OStreamRedirect& other) = delete;
 
  OStreamRedirect(OStreamRedirect&& other) noexcept = delete;
  OStreamRedirect& operator=(OStreamRedirect&& other) noexcept = delete;
 
private:
  int sync() override;
  std::ostream* _ostream;
  std::streambuf* _ostream_buffer;
  fu2::unique_function<void(std::string_view)> _redirection;
  bool _line_buffered;
};
 
} // namespace Dune::Copasi
 
#endif // DUNE_COPASI_COMMON_OSTREAM_REDIRECT_HH