ruby/tool/colorize.rb

42 строки
997 B
Ruby

# frozen-string-literal: true
class Colorize
def initialize(color = nil)
@colors = @reset = nil
if color or (color == nil && STDOUT.tty?)
if (/\A\e\[.*m\z/ =~ IO.popen("tput smso", "r", err: IO::NULL, &:read) rescue nil)
@beg = "\e["
@colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w+)=([^:\n]*)/)] : {}
@reset = "#{@beg}m"
end
end
self
end
DEFAULTS = {
"pass"=>"32;1", "fail"=>"31;1", "skip"=>"33;1",
"black"=>"30", "red"=>"31", "green"=>"32", "yellow"=>"33",
"blue"=>"34", "magenta"=>"35", "cyan"=>"36", "white"=>"37",
}
def decorate(str, name)
if @colors and color = (@colors[name] || DEFAULTS[name])
"#{@beg}#{color}m#{str}#{@reset}"
else
str
end
end
DEFAULTS.each_key do |name|
define_method(name) {|str|
decorate(str, name)
}
end
end
if $0 == __FILE__
colorize = Colorize.new
col = ARGV.shift
ARGV.each {|str| puts colorize.decorate(str, col)}
end