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68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
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// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef ABSL_BASE_INTERNAL_LOG_SEVERITY_H_
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#define ABSL_BASE_INTERNAL_LOG_SEVERITY_H_
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#include <array>
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#include "absl/base/attributes.h"
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namespace absl {
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// Four severity levels are defined. Logging APIs should terminate the program
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// when a message is logged at severity `kFatal`; the other levels have no
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// special semantics.
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enum class LogSeverity : int {
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kInfo = 0,
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kWarning = 1,
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kError = 2,
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kFatal = 3,
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};
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// Returns an iterable of all standard `absl::LogSeverity` values, ordered from
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// least to most severe.
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constexpr std::array<absl::LogSeverity, 4> LogSeverities() {
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return {{absl::LogSeverity::kInfo, absl::LogSeverity::kWarning,
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absl::LogSeverity::kError, absl::LogSeverity::kFatal}};
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}
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// Returns the all-caps string representation (e.g. "INFO") of the specified
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// severity level if it is one of the normal levels and "UNKNOWN" otherwise.
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constexpr const char* LogSeverityName(absl::LogSeverity s) {
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return s == absl::LogSeverity::kInfo
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? "INFO"
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: s == absl::LogSeverity::kWarning
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? "WARNING"
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: s == absl::LogSeverity::kError
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? "ERROR"
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: s == absl::LogSeverity::kFatal ? "FATAL" : "UNKNOWN";
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}
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// Values less than `kInfo` normalize to `kInfo`; values greater than `kFatal`
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// normalize to `kError` (**NOT** `kFatal`).
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constexpr absl::LogSeverity NormalizeLogSeverity(absl::LogSeverity s) {
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return s < absl::LogSeverity::kInfo
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? absl::LogSeverity::kInfo
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: s > absl::LogSeverity::kFatal ? absl::LogSeverity::kError : s;
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}
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constexpr absl::LogSeverity NormalizeLogSeverity(int s) {
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return NormalizeLogSeverity(static_cast<absl::LogSeverity>(s));
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}
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} // namespace absl
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#endif // ABSL_BASE_INTERNAL_LOG_SEVERITY_H_
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