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//===-- LogMessageOsLog.h ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LogMessageOsLog_h
#define LogMessageOsLog_h
#include "DarwinLogInterfaces.h"
#include "ActivityStreamSPI.h"
#include "LogMessage.h"
using ActivityStreamEntry = struct os_activity_stream_entry_s;
// -----------------------------------------------------------------------------
/// Provides a unified wrapper around os_log()-style log messages.
///
/// The lifetime of this class is intended to be very short. The caller
/// must ensure that the passed in ActivityStore and ActivityStreamEntry
/// outlive this LogMessageOsLog entry.
// -----------------------------------------------------------------------------
class LogMessageOsLog : public LogMessage {
public:
static void SetFormatterFunction(os_log_copy_formatted_message_t format_func);
LogMessageOsLog(const ActivityStore &activity_store,
ActivityStreamEntry &entry);
// API methods
bool HasActivity() const override;
const char *GetActivity() const override;
std::string GetActivityChain() const override;
bool HasCategory() const override;
const char *GetCategory() const override;
bool HasSubsystem() const override;
const char *GetSubsystem() const override;
const char *GetMessage() const override;
private:
const ActivityStore &m_activity_store;
ActivityStreamEntry &m_entry;
mutable std::string m_message;
};
#endif /* LogMessageOsLog_h */
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