Abseil Common Libraries (C++) (grcp 依赖)
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67 lines
2.3 KiB
67 lines
2.3 KiB
// 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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// https://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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