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Class: Test::Unit::Color

Relationships & Source Files
Namespace Children
Exceptions:
Inherits: Object
Defined in: lib/test/unit/color.rb

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(name, options = {}) ⇒ Color

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# File 'lib/test/unit/color.rb', line 28

def initialize(name, options={})
  @name = name
  if options.has_key?(:foreground)
    if options[:foreground].nil?
      @background = false
    else
      @background = !options[:foreground]
    end
  else
    @background = options[:background]
  end
  @intensity = options[:intensity]
  @bold = options[:bold]
  @italic = options[:italic]
  @underline = options[:underline]
end

Class Method Details

.parse_256_color(string)

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# File 'lib/test/unit/color.rb', line 11

def parse_256_color(string)
  case string
  when /\A([0-5])([0-5])([0-5])\z/
    red, green, blue = $1, $2, $3
    red.to_i * 36 + green.to_i * 6 + blue.to_i + 16
  else
    message = "must be 'RGB' format and R, G and B " +
      "are in 0-5: #{string.inspect}"
    raise ParseError, message
  end
end

Instance Attribute Details

#background?Boolean (readonly)

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# File 'lib/test/unit/color.rb', line 49

def background?
  @background
end

#bold?Boolean (readonly)

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# File 'lib/test/unit/color.rb', line 57

def bold?
  @bold
end

#foreground?Boolean (readonly)

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# File 'lib/test/unit/color.rb', line 45

def foreground?
  not background?
end

#intensity?Boolean (readonly)

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# File 'lib/test/unit/color.rb', line 53

def intensity?
  @intensity
end

#italic?Boolean (readonly)

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# File 'lib/test/unit/color.rb', line 61

def italic?
  @italic
end

#name (readonly)

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# File 'lib/test/unit/color.rb', line 27

attr_reader :name

#underline?Boolean (readonly)

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# File 'lib/test/unit/color.rb', line 65

def underline?
  @underline
end

Instance Method Details

#+(other)

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# File 'lib/test/unit/color.rb', line 104

def +(other)
  MixColor.new([self, other])
end

#==(other)

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# File 'lib/test/unit/color.rb', line 69

def ==(other)
  self.class === other and
    [name, background?, intensity?,
     bold?, italic?, underline?] ==
    [other.name, other.background?, other.intensity?,
     other.bold?, other.italic?, other.underline?]
end

#escape_sequence

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# File 'lib/test/unit/color.rb', line 100

def escape_sequence
  "\e[#{sequence.join(';')}m"
end

#sequence

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# File 'lib/test/unit/color.rb', line 77

def sequence
  sequence = []
  if @name == "none"
  elsif @name == "reset"
    sequence << "0"
  else
    if NAMES.include?(@name)
      color_parameter = foreground? ? 3 : 4
      color_parameter += 6 if intensity?
      color = NAMES.index(@name)
      sequence << "#{color_parameter}#{color}"
    else
      sequence << (foreground? ? "38" : "48")
      sequence << "5"
      sequence << self.class.parse_256_color(@name).to_s
    end
  end
  sequence << "1" if bold?
  sequence << "3" if italic?
  sequence << "4" if underline?
  sequence
end