errorhandler.hxx

/* Definition of the pqxx::errorhandler class.
 *
 * pqxx::errorhandler handlers errors and warnings in a database session.
 *
 * DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/errorhandler instead.
 *
 * Copyright (c) 2000-2022, Jeroen T. Vermeulen.
 *
 * See COPYING for copyright license.  If you did not receive a file called
 * COPYING with this source code, please notify the distributor of this
 * mistake, or contact the author.
 */
#ifndef PQXX_H_ERRORHANDLER
#define PQXX_H_ERRORHANDLER

#if !defined(PQXX_HEADER_PRE)
#  error "Include libpqxx headers as <pqxx/header>, not <pqxx/header.hxx>."
#endif

#include "pqxx/types.hxx"


namespace pqxx::internal::gate
{
class errorhandler_connection;
}


namespace pqxx
{


class PQXX_LIBEXPORT errorhandler
{
public:
  explicit errorhandler(connection &);
  virtual ~errorhandler();


  virtual bool operator()(char const msg[]) noexcept = 0;

  errorhandler() = delete;
  errorhandler(errorhandler const &) = delete;
  errorhandler &operator=(errorhandler const &) = delete;

private:
  connection *m_home;

  friend class internal::gate::errorhandler_connection;
  void unregister() noexcept;
};


class quiet_errorhandler : public errorhandler
{
public:
  quiet_errorhandler(connection &conn) : errorhandler{conn} {}

  virtual bool operator()(char const[]) noexcept override { return false; }
};

} // namespace pqxx
#endif