`class Logger < ::Logger`

Inherits from: ::Logger

A compatible interface for ::Logger which can be used with module Console.

Nested Classes and Modules

class LogDevice: A compatible log device which can be used with module Console. Suitable for use with code which (incorrectly) assumes that the log device a public interface and has certain methods/behaviours.

Definitions

`def initialize(subject, output = Console)`

Create a new (compatible) logger.

Signature

parameter　subject　String: The subject of the log messages.
parameter　output　Console::Interface: The output interface.

Implementation

def initialize(subject, output = Console)
	super(nil)
	
	@progname = subject
	@logdev = LogDevice.new(subject, output)
end

`def add(severity, message = nil, progname = nil, **options)`

Log a message with the given severity.

Signature

parameter　severity　Integer: The severity of the message.
parameter　message　String: The message to log.
parameter　progname　String: The program name.
returns　Boolean: True if the message was logged.

Implementation

def add(severity, message = nil, progname = nil, **options)
	severity ||= UNKNOWN
	
	if @logdev.nil? or severity < level
		return true
	end
	
	if progname.nil?
		progname = @progname
	end
	
	if message.nil?
		if block_given?
			message = yield
		else
			message = progname
			progname = @progname
		end
	end
	
	@logdev.call(
		progname, message,
		**options,
		severity: format_severity(severity)
	)
	
	return true
end

`def format_severity(value)`

Format the severity.

Signature

parameter　value　Integer: The severity value.
returns　Symbol: The formatted severity.

Implementation

def format_severity(value)
	super.downcase.to_sym
end