Class: Console::Filter

Inherits:
Object
  • Object
show all
Defined in:
lib/console/filter.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(output, verbose: true, level: 0, **options) ⇒ Filter

Returns a new instance of Filter.



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# File 'lib/console/filter.rb', line 58

def initialize(output, verbose: true, level: 0, **options)
	@level = level
	@verbose = verbose
	
	@subjects = {}
	
	@output = output
	@options = options
end

Instance Attribute Details

#level ⇒ Object

Returns the value of attribute level.



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# File 'lib/console/filter.rb', line 74

def level
  @level
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/console/filter.rb', line 80

def options
  @options
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/console/filter.rb', line 79

def output
  @output
end

#subjects ⇒ Object (readonly)

Returns the value of attribute subjects.



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# File 'lib/console/filter.rb', line 77

def subjects
  @subjects
end

#verbose ⇒ Object (readonly)

Returns the value of attribute verbose.



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# File 'lib/console/filter.rb', line 75

def verbose
  @verbose
end

Class Method Details

.[](**levels) ⇒ Object 



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# File 'lib/console/filter.rb', line 27

def self.[] **levels
	klass = Class.new(self)
	
	klass.instance_exec do
		const_set(:LEVELS, levels)
		const_set(:MAXIMUM_LEVEL, levels.values.max)
	
		levels.each do |name, level|
			const_set(name.to_s.upcase, level)
			
			define_method(name) do |subject = nil, *arguments, **options, &block|
				enabled = @subjects[subject.class]
				
				if enabled == true or (enabled != false and level >= @level)
					self.call(subject, *arguments, severity: name, **options, **@options, &block)
				end
			end
			
			define_method("#{name}!") do
				@level = level
			end
			
			define_method("#{name}?") do
				@level >= level
			end
		end
	end
	
	return klass
end

Instance Method Details

#all! ⇒ Object 



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# File 'lib/console/filter.rb', line 99

def all!
	@level = self.class::MAXIMUM_LEVEL
end

#call(*arguments, &block) ⇒ Object 



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# File 'lib/console/filter.rb', line 115

def call(*arguments, &block)
	@output.call(*arguments, &block)
end

#disable(subject) ⇒ Object 



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# File 'lib/console/filter.rb', line 111

def disable(subject)
	@subjects[subject.class] = false
end

#dup(**options) ⇒ Object 



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# File 'lib/console/filter.rb', line 68

def dup(**options)
	super().tap do |logger|
		logger.options = @options.merge(options)
	end
end

#enable(subject) ⇒ Object 



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# File 'lib/console/filter.rb', line 107

def enable(subject)
	@subjects[subject.class] = true
end

#enabled?(subject) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console/filter.rb', line 103

def enabled?(subject)
	@subjects[subject.class] == true
end

#off! ⇒ Object 



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# File 'lib/console/filter.rb', line 95

def off!
	@level = -1
end

#verbose!(value = true) ⇒ Object 



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# File 'lib/console/filter.rb', line 90

def verbose!(value = true)
	@verbose = value
	@output.verbose!(value)
end