github.com/cockroachdb/cockroachdb-parser@v0.23.3-0.20240213214944-911057d40c9a/pkg/util/log/logpb/severity.go (about)

     1  // Copyright 2019 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package logpb
    12  
    13  import (
    14  	"strconv"
    15  	"strings"
    16  )
    17  
    18  // Set is part of the pflag.Value interface.
    19  func (s *Severity) Set(value string) error {
    20  	var threshold Severity
    21  	// Is it a known name?
    22  	if v, ok := SeverityByName(value); ok {
    23  		threshold = v
    24  	} else {
    25  		v, err := strconv.Atoi(value)
    26  		if err != nil {
    27  			return err
    28  		}
    29  		threshold = Severity(v)
    30  	}
    31  	*s = threshold
    32  	return nil
    33  }
    34  
    35  // IsSet returns true iff the severity was set to a non-unknown value.
    36  func (s Severity) IsSet() bool { return s != Severity_UNKNOWN }
    37  
    38  // Type implements the pflag.Value interface.
    39  func (s Severity) Type() string { return "<severity>" }
    40  
    41  // Name returns the string representation of the severity (i.e. ERROR, INFO).
    42  func (s *Severity) Name() string {
    43  	return s.String()
    44  }
    45  
    46  // SeverityByName attempts to parse the passed in string into a severity. (i.e.
    47  // ERROR, INFO). If it succeeds, the returned bool is set to true.
    48  func SeverityByName(s string) (Severity, bool) {
    49  	s = strings.ToUpper(s)
    50  	if i, ok := Severity_value[s]; ok {
    51  		return Severity(i), true
    52  	}
    53  	switch s {
    54  	case "TRUE":
    55  		return Severity_INFO, true
    56  	case "FALSE":
    57  		return Severity_NONE, true
    58  	}
    59  	return 0, false
    60  }
    61  
    62  // UnmarshalYAML implements the yaml.Unmarshaler interface.
    63  func (s *Severity) UnmarshalYAML(fn func(interface{}) error) error {
    64  	var sv string
    65  	if err := fn(&sv); err != nil {
    66  		return err
    67  	}
    68  	return s.Set(sv)
    69  }
    70  
    71  // MarshalYAML implements the yaml.Marshaler interface.
    72  func (s Severity) MarshalYAML() (interface{}, error) {
    73  	return s.String(), nil
    74  }