internal

Documentation

Index

• func IsEmpty(val string) bool
• type Printer
• type SyncPrinter
  • func NewPrinter(currentLevel VerbosityLevel, logOutput io.Writer) *SyncPrinter
  • func (p *SyncPrinter) Close()
  • func (p *SyncPrinter) Level() VerbosityLevel
  • func (p *SyncPrinter) Log(level VerbosityLevel, msg string)
  • func (p *SyncPrinter) Logf(level VerbosityLevel, format string, a ...interface{})
  • func (p *SyncPrinter) Start(messageOutputs map[string]io.Writer)
  • func (p *SyncPrinter) WriteMessage(topic string, bytes []byte)
• type VerbosityLevel
  • func ToVerbosityLevel(counter int) VerbosityLevel

Functions

func IsEmpty

func IsEmpty(val string) bool

IsEmpty returns true of the trimmed input is empty.

Types

type Printer

type Printer interface {
	Logf(level VerbosityLevel, format string, args ...interface{})
	Log(level VerbosityLevel, msg string)
	WriteMessage(topic string, bytes []byte)
	Level() VerbosityLevel
	Close()
}

Printer represents a printer type.

type SyncPrinter

type SyncPrinter struct {
	// contains filtered or unexported fields
}

SyncPrinter is an implementation of Printer interface to synchronously write to specified io.Writer instances.

func NewPrinter

func NewPrinter(currentLevel VerbosityLevel, logOutput io.Writer) *SyncPrinter

NewPrinter creates a new synchronised writer.

func (*SyncPrinter) Close

func (p *SyncPrinter) Close()

Close closes the internal synchronisation channels.

Writing into a closed printer will panic.

func (*SyncPrinter) Level

func (p *SyncPrinter) Level() VerbosityLevel

Level returns the current verbosity level.

func (*SyncPrinter) Log

func (p *SyncPrinter) Log(level VerbosityLevel, msg string)

Log writes a new line to the Logging io.Writer synchronously if the verbosity level is greater than or equal to the current level.

func (*SyncPrinter) Logf

func (p *SyncPrinter) Logf(level VerbosityLevel, format string, a ...interface{})

Logf formats according to a format specifier and writes a new line to the Logging io.Writer synchronously, if the verbosity level is greater than or equal to the current level.

func (*SyncPrinter) Start

func (p *SyncPrinter) Start(messageOutputs map[string]io.Writer)

Start starts the underlying message processors.

func (*SyncPrinter) WriteMessage

func (p *SyncPrinter) WriteMessage(topic string, bytes []byte)

WriteMessage writes the message to the relevant message io.Writer.

type VerbosityLevel

type VerbosityLevel int8

VerbosityLevel logging verbosity level.

const (
	// Forced the lowest logging level. Everything will be printed under this level.
	Forced VerbosityLevel = iota
	// Verbose verbose mode (-v)
	Verbose
	// VeryVerbose very verbose mode (-vv)
	VeryVerbose
	// SuperVerbose super verbose mode (-vvv)
	SuperVerbose
)

func ToVerbosityLevel

func ToVerbosityLevel(counter int) VerbosityLevel

ToVerbosityLevel converts an integer to verbosity level.