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# frozen_string_literal: true
require_relative 'string_utils'
require_relative 'x11_color_names'
require_relative 'color'
module Rainbow
class Presenter < ::String
TERM_EFFECTS = {
reset: 0,
bright: 1,
faint: 2,
italic: 3,
underline: 4,
blink: 5,
inverse: 7,
hide: 8,
cross_out: 9
}.freeze
# Sets color of this text.
def color(*values)
wrap_with_sgr(Color.build(:foreground, values).codes)
end
alias foreground color
alias fg color
# Sets background color of this text.
def background(*values)
wrap_with_sgr(Color.build(:background, values).codes)
end
alias bg background
# Resets terminal to default colors/backgrounds.
#
# It shouldn't be needed to use this method because all methods
# append terminal reset code to end of string.
def reset
wrap_with_sgr(TERM_EFFECTS[:reset])
end
# Turns on bright/bold for this text.
def bright
wrap_with_sgr(TERM_EFFECTS[:bright])
end
alias bold bright
# Turns on faint/dark for this text (not well supported by terminal
# emulators).
def faint
wrap_with_sgr(TERM_EFFECTS[:faint])
end
alias dark faint
# Turns on italic style for this text (not well supported by terminal
# emulators).
def italic
wrap_with_sgr(TERM_EFFECTS[:italic])
end
# Turns on underline decoration for this text.
def underline
wrap_with_sgr(TERM_EFFECTS[:underline])
end
# Turns on blinking attribute for this text (not well supported by terminal
# emulators).
def blink
wrap_with_sgr(TERM_EFFECTS[:blink])
end
# Inverses current foreground/background colors.
def inverse
wrap_with_sgr(TERM_EFFECTS[:inverse])
end
# Hides this text (set its color to the same as background).
def hide
wrap_with_sgr(TERM_EFFECTS[:hide])
end
def cross_out
wrap_with_sgr(TERM_EFFECTS[:cross_out])
end
alias strike cross_out
def black
color(:black)
end
def red
color(:red)
end
def green
color(:green)
end
def yellow
color(:yellow)
end
def blue
color(:blue)
end
def magenta
color(:magenta)
end
def cyan
color(:cyan)
end
def white
color(:white)
end
# We take care of X11 color method call here.
# Such as #aqua, #ghostwhite.
def method_missing(method_name, *args)
if Color::X11Named.color_names.include?(method_name) && args.empty?
color(method_name)
else
super
end
end
def respond_to_missing?(method_name, *args)
Color::X11Named.color_names.include?(method_name) && args.empty? || super
end
private
def wrap_with_sgr(codes) #:nodoc:
self.class.new(StringUtils.wrap_with_sgr(self, [*codes]))
end
end
end
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