tvl-depot/absl/base/log_severity.h
Abseil Team 0e5c3e8f16 - 7f2f6ad0cc3488cb57dfc5d1050c38862a2e42ef Only check for a specific message in the bad_cast tests... by Matt Calabrese <calabrese@google.com>
- 6a8e56df0d6820c48ee8f39146c7e1fba8a394e7 This prevents a uint32_t value from potentially being log... by Matt Calabrese <calabrese@google.com>
  - 00a77f5569086654837c03d06206349642364395 Add doc-comments to `absl::LogSeverity` and its helpers. by Abseil Team <absl-team@google.com>
  - bf877655e420ebff42bede238523d360b53a80fa Enforce the Abseil-wide assumption that CHAR_BIT == 8. by Mark Barolak <mbar@google.com>

GitOrigin-RevId: 7f2f6ad0cc3488cb57dfc5d1050c38862a2e42ef
Change-Id: Id210255c9301442b0379dca147a806c85452f772
2018-04-03 14:35:40 -04:00

67 lines
2.4 KiB
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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 {
// Four severity levels are defined. Logging APIs should terminate the program
// when a message is logged at severity `kFatal`; the other levels have no
// special semantics.
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}};
}
// Returns the all-caps std::string representation (e.g. "INFO") of the specified
// severity level if it is one of the normal levels and "UNKNOWN" otherwise.
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";
}
// Values less than `kInfo` normalize to `kInfo`; values greater than `kFatal`
// normalize to `kError` (**NOT** `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_