ErrorRedirector.h

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// -*- mode: c++; c-file-style: "linux"; c-basic-offset: 2; indent-tabs-mode: nil -*-
//
//  Copyright (C) 2014-2018 Gunter Königsmann <wxMaxima@physikbuch.de>
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//  SPDX-License-Identifier: GPL-2.0+
 
#ifndef ERRORREDIRECTOR_H
#define ERRORREDIRECTOR_H
 
#include "precomp.h"
#include <wx/log.h>
#include <memory>
 
class ErrorRedirector : public wxLog
{
public:
  static int m_messages_logPaneOnly;
  explicit ErrorRedirector(std::unique_ptr<wxLog> &&newLog);
 
  virtual ~ErrorRedirector() override;
 
  void Flush() override;
 
  void DoLogRecord(wxLogLevel level,
                   const wxString& msg,
                   const wxLogRecordInfo& info) override;
 
  void DetachOldLog();
 
  void SetBatchMode(){m_batchMode = true;}
  wxLog* GetOldLog() const;
 
  void SetLog(std::unique_ptr<wxLog> &&logger);
  void SetLogThis();
 
  static void LogToStdErr(){m_logToStdErr = true;}
 
  static bool LoggingToStdErr(){return m_logToStdErr;}
 
protected:
  wxLog *m_logNew = {};
  wxLog *const m_logOld = {};
  std::unique_ptr<wxLog> m_logOwned;
 
  bool m_batchMode = false;
 
private:
  static  bool m_logToStdErr;
};
 
class SuppressErrorDialogs
{
public:
  SuppressErrorDialogs(){ErrorRedirector::m_messages_logPaneOnly++;}
  virtual ~SuppressErrorDialogs(){ErrorRedirector::m_messages_logPaneOnly--;}
};
 
#endif // ERRORREDIRECTOR_H