diff options
Diffstat (limited to 'abseil-cpp/absl/base/log_severity.h')
-rw-r--r-- | abseil-cpp/absl/base/log_severity.h | 59 |
1 files changed, 55 insertions, 4 deletions
diff --git a/abseil-cpp/absl/base/log_severity.h b/abseil-cpp/absl/base/log_severity.h index 65a3b16..8bdca38 100644 --- a/abseil-cpp/absl/base/log_severity.h +++ b/abseil-cpp/absl/base/log_severity.h @@ -12,8 +12,8 @@ // 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_ +#ifndef ABSL_BASE_LOG_SEVERITY_H_ +#define ABSL_BASE_LOG_SEVERITY_H_ #include <array> #include <ostream> @@ -36,7 +36,7 @@ ABSL_NAMESPACE_BEGIN // such values to a defined severity level, however in some cases values other // than the defined levels are useful for comparison. // -// Exmaple: +// Example: // // // Effectively disables all logging: // SetMinLogLevel(static_cast<absl::LogSeverity>(100)); @@ -115,7 +115,58 @@ constexpr absl::LogSeverity NormalizeLogSeverity(int s) { // unspecified; do not rely on it. std::ostream& operator<<(std::ostream& os, absl::LogSeverity s); +// Enums representing a lower bound for LogSeverity. APIs that only operate on +// messages of at least a certain level (for example, `SetMinLogLevel()`) use +// this type to specify that level. absl::LogSeverityAtLeast::kInfinity is +// a level above all threshold levels and therefore no log message will +// ever meet this threshold. +enum class LogSeverityAtLeast : int { + kInfo = static_cast<int>(absl::LogSeverity::kInfo), + kWarning = static_cast<int>(absl::LogSeverity::kWarning), + kError = static_cast<int>(absl::LogSeverity::kError), + kFatal = static_cast<int>(absl::LogSeverity::kFatal), + kInfinity = 1000, +}; + +std::ostream& operator<<(std::ostream& os, absl::LogSeverityAtLeast s); + +// Enums representing an upper bound for LogSeverity. APIs that only operate on +// messages of at most a certain level (for example, buffer all messages at or +// below a certain level) use this type to specify that level. +// absl::LogSeverityAtMost::kNegativeInfinity is a level below all threshold +// levels and therefore will exclude all log messages. +enum class LogSeverityAtMost : int { + kNegativeInfinity = -1000, + kInfo = static_cast<int>(absl::LogSeverity::kInfo), + kWarning = static_cast<int>(absl::LogSeverity::kWarning), + kError = static_cast<int>(absl::LogSeverity::kError), + kFatal = static_cast<int>(absl::LogSeverity::kFatal), +}; + +std::ostream& operator<<(std::ostream& os, absl::LogSeverityAtMost s); + +#define COMPOP(op1, op2, T) \ + constexpr bool operator op1(absl::T lhs, absl::LogSeverity rhs) { \ + return static_cast<absl::LogSeverity>(lhs) op1 rhs; \ + } \ + constexpr bool operator op2(absl::LogSeverity lhs, absl::T rhs) { \ + return lhs op2 static_cast<absl::LogSeverity>(rhs); \ + } + +// Comparisons between `LogSeverity` and `LogSeverityAtLeast`/ +// `LogSeverityAtMost` are only supported in one direction. +// Valid checks are: +// LogSeverity >= LogSeverityAtLeast +// LogSeverity < LogSeverityAtLeast +// LogSeverity <= LogSeverityAtMost +// LogSeverity > LogSeverityAtMost +COMPOP(>, <, LogSeverityAtLeast) +COMPOP(<=, >=, LogSeverityAtLeast) +COMPOP(<, >, LogSeverityAtMost) +COMPOP(>=, <=, LogSeverityAtMost) +#undef COMPOP + ABSL_NAMESPACE_END } // namespace absl -#endif // ABSL_BASE_INTERNAL_LOG_SEVERITY_H_ +#endif // ABSL_BASE_LOG_SEVERITY_H_ |