mirror of
https://github.com/romkatv/powerlevel10k.git
synced 2024-11-14 00:50:08 +00:00
124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
// Copyright 2019 Roman Perepelitsa.
|
|
//
|
|
// This file is part of GitStatus.
|
|
//
|
|
// GitStatus 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.
|
|
//
|
|
// GitStatus 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 GitStatus. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
#ifndef ROMKATV_GITSTATUS_LOGGING_H_
|
|
#define ROMKATV_GITSTATUS_LOGGING_H_
|
|
|
|
#include <cstdlib>
|
|
#include <memory>
|
|
#include <ostream>
|
|
#include <sstream>
|
|
|
|
#define LOG(severity) LOG_I(severity)
|
|
|
|
#define LOG_I(severity) \
|
|
(::gitstatus::severity < ::gitstatus::g_min_log_level) \
|
|
? static_cast<void>(0) \
|
|
: ::gitstatus::internal_logging::Assignable() = \
|
|
::gitstatus::internal_logging::LogStream<::gitstatus::severity>(__FILE__, __LINE__, \
|
|
::gitstatus::severity) \
|
|
.ref()
|
|
|
|
namespace gitstatus {
|
|
|
|
enum LogLevel {
|
|
DEBUG,
|
|
INFO,
|
|
WARN,
|
|
ERROR,
|
|
FATAL,
|
|
};
|
|
|
|
const char* LogLevelStr(LogLevel lvl);
|
|
bool ParseLogLevel(const char* s, LogLevel& lvl);
|
|
|
|
extern LogLevel g_min_log_level;
|
|
|
|
namespace internal_logging {
|
|
|
|
struct Assignable {
|
|
template <class T>
|
|
void operator=(const T&) const {}
|
|
};
|
|
|
|
class LogStreamBase {
|
|
public:
|
|
LogStreamBase(const char* file, int line, LogLevel lvl);
|
|
|
|
LogStreamBase& ref() { return *this; }
|
|
std::ostream& strm() { return *strm_; }
|
|
int stashed_errno() const { return errno_; }
|
|
|
|
protected:
|
|
void Flush();
|
|
|
|
private:
|
|
int errno_;
|
|
const char* file_;
|
|
int line_;
|
|
const char* lvl_;
|
|
std::unique_ptr<std::ostringstream> strm_;
|
|
};
|
|
|
|
template <LogLevel>
|
|
class LogStream : public LogStreamBase {
|
|
public:
|
|
using LogStreamBase::LogStreamBase;
|
|
~LogStream() { this->Flush(); }
|
|
};
|
|
|
|
template <>
|
|
class LogStream<FATAL> : public LogStreamBase {
|
|
public:
|
|
using LogStreamBase::LogStreamBase;
|
|
~LogStream() __attribute__((noreturn)) {
|
|
this->Flush();
|
|
std::abort();
|
|
}
|
|
};
|
|
|
|
template <class T>
|
|
LogStreamBase& operator<<(LogStreamBase& strm, const T& val) {
|
|
strm.strm() << val;
|
|
return strm;
|
|
}
|
|
|
|
inline LogStreamBase& operator<<(LogStreamBase& strm, std::ostream& (*manip)(std::ostream&)) {
|
|
strm.strm() << manip;
|
|
return strm;
|
|
}
|
|
|
|
struct Errno {
|
|
int err;
|
|
};
|
|
|
|
std::ostream& operator<<(std::ostream& strm, Errno e);
|
|
|
|
struct StashedErrno {};
|
|
|
|
inline LogStreamBase& operator<<(LogStreamBase& strm, StashedErrno) {
|
|
return strm << Errno{strm.stashed_errno()};
|
|
}
|
|
|
|
} // namespace internal_logging
|
|
|
|
inline internal_logging::Errno Errno(int err) { return {err}; }
|
|
inline internal_logging::StashedErrno Errno() { return {}; }
|
|
|
|
} // namespace gitstatus
|
|
|
|
#endif // ROMKATV_GITSTATUS_LOGGING_H_
|