61 lines
952 B
Ruby
61 lines
952 B
Ruby
module Mutant
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# Class to colorize strings
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class Color
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include Immutable
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# Initialize color object
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#
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# @param [Fixnum] code
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#
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# @return [undefined]
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#
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# @api private
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#
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def initialize(code)
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@code = code
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end
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# Format text with color
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#
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# @param [String] text
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#
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# @return [String]
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#
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# @api private
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#
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def format(text)
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"\e[#{@code}m#{text}\e[0m"
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end
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NONE = Class.new(self) do
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# Format null color
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#
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# @param [String] text
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#
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# @return [String]
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# returns the argument string
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#
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# @api private
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#
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def format(text)
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text
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end
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private
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# Initialize null color
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#
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# @return [undefined]
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#
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# @api private
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#
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def initialize(*)
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end
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end.new.freeze
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RED = Color.new(31)
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GREEN = Color.new(32)
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BLUE = Color.new(34)
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end
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end
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