tvl-depot/absl/base/log_severity.h
Abseil Team 0fa86cac40 Changes imported from Abseil "staging" branch:
- 14488f5397315b265d57b50e6796890107e0efb2 Clarify comment on absl::NormalizeLogSeverity. by Abseil Team <absl-team@google.com>
  - 401dcf3fdb121e8356e8f54c9f2838faad9ffdf7 Internal change. by Alex Strelnikov <strel@google.com>
  - 1401400b77f8cb5d11fac414c89ffc3b55713f41 Remove unnecessary extern specifier on function declarati... by Alex Strelnikov <strel@google.com>
  - 97d1079d0e8930b1d77bda7bac5e4d15e0e74278 Add missing explicit casts between signed and unsigned in... by Alex Strelnikov <strel@google.com>
  - 47c4138142900de510e4c5426b4bf606252d7dac Internal change. by Alex Strelnikov <strel@google.com>
  - 40eb2555499a000adb78a6581215c701fa818568 Documentation fixes for `absl::optional`, for the `value_... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 14488f5397315b265d57b50e6796890107e0efb2
Change-Id: I3c11216c0c6ef5633aa5cc3b7f5977fa4a3ea1f5
2018-02-02 16:26:25 -05:00

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// Copyright 2017 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef ABSL_BASE_INTERNAL_LOG_SEVERITY_H_
#define ABSL_BASE_INTERNAL_LOG_SEVERITY_H_
#include <array>
#include "absl/base/attributes.h"
namespace absl {
enum class LogSeverity : int {
kInfo = 0,
kWarning = 1,
kError = 2,
kFatal = 3,
};
// Returns an iterable of all standard `absl::LogSeverity` values, ordered from
// least to most severe.
constexpr std::array<absl::LogSeverity, 4> LogSeverities() {
return {{absl::LogSeverity::kInfo, absl::LogSeverity::kWarning,
absl::LogSeverity::kError, absl::LogSeverity::kFatal}};
}
constexpr const char* LogSeverityName(absl::LogSeverity s) {
return s == absl::LogSeverity::kInfo
? "INFO"
: s == absl::LogSeverity::kWarning
? "WARNING"
: s == absl::LogSeverity::kError
? "ERROR"
: s == absl::LogSeverity::kFatal ? "FATAL" : "UNKNOWN";
}
// Note that out-of-range severities normalize to kInfo or kError, never kFatal.
constexpr absl::LogSeverity NormalizeLogSeverity(absl::LogSeverity s) {
return s < absl::LogSeverity::kInfo
? absl::LogSeverity::kInfo
: s > absl::LogSeverity::kFatal ? absl::LogSeverity::kError : s;
}
constexpr absl::LogSeverity NormalizeLogSeverity(int s) {
return NormalizeLogSeverity(static_cast<absl::LogSeverity>(s));
}
} // namespace absl
#endif // ABSL_BASE_INTERNAL_LOG_SEVERITY_H_