opm-common/opm/common/OpmLog/LogBackend.hpp
2016-10-19 15:08:46 +02:00

87 lines
3.0 KiB
C++

/*
Copyright 2015, 2016 Statoil ASA.
Copyright 2016 SINTEF ICT, Applied Mathematics.
This file is part of the Open Porous Media project (OPM).
OPM 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 3 of the License, or
(at your option) any later version.
OPM 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 OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_LOGBACKEND_HPP
#define OPM_LOGBACKEND_HPP
#include <opm/common/OpmLog/MessageFormatter.hpp>
#include <opm/common/OpmLog/MessageLimiter.hpp>
#include <cstdint>
#include <string>
#include <memory>
namespace Opm
{
/// Abstract interface class for log backends.
class LogBackend
{
public:
/// Construct with given message mask.
explicit LogBackend(int64_t mask);
/// Virtual destructor to enable inheritance.
virtual ~LogBackend();
/// Configure how formatMessage() will modify message strings.
void setMessageFormatter(std::shared_ptr<MessageFormatterInterface> formatter);
/// Configure how message tags will be used to limit messages.
void setMessageLimiter(std::shared_ptr<MessageLimiter> limiter);
/// Add a message to the backend if accepted by the message limiter.
void addMessage(int64_t messageFlag, const std::string& message);
/// Add a tagged message to the backend if accepted by the message limiter.
void addTaggedMessage(int64_t messageFlag,
const std::string& messageTag,
const std::string& message);
/// The message mask types are specified in the
/// Opm::Log::MessageType namespace, in file LogUtils.hpp.
int64_t getMask() const;
protected:
/// This is the method subclasses should override.
///
/// Typically a subclass may filter, change, and output
/// messages based on configuration and the messageFlag.
virtual void addMessageUnconditionally(int64_t messageFlag,
const std::string& message) = 0;
/// Return decorated version of message depending on configureDecoration() arguments.
std::string formatMessage(int64_t messageFlag, const std::string& message);
private:
/// Return true if all bits of messageFlag are also set in our mask,
/// and the message limiter returns a PrintMessage response.
bool includeMessage(int64_t messageFlag, const std::string& messageTag);
int64_t m_mask;
std::shared_ptr<MessageFormatterInterface> m_formatter;
std::shared_ptr<MessageLimiter> m_limiter;
};
} // namespace LogBackend
#endif