ruby/tool/lib/colorize.rb

56 строки
1.6 KiB
Ruby

# frozen-string-literal: true
class Colorize
# call-seq:
# Colorize.new(colorize = nil)
# Colorize.new(color: color, colors_file: colors_file)
def initialize(color = nil, opts = ((_, color = color, nil)[0] if Hash === color))
@colors = @reset = nil
@color = (opts[:color] if opts)
if color or (color == nil && STDOUT.tty? && (ENV["NO_COLOR"] || "").empty?)
if (%w[smso so].any? {|attr| /\A\e\[.*m\z/ =~ IO.popen("tput #{attr}", "r", :err => IO::NULL, &:read)} rescue nil)
@beg = "\e["
colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w+)=([^:\n]*)/)] : {}
if opts and colors_file = opts[:colors_file]
begin
File.read(colors_file).scan(/(\w+)=([^:\n]*)/) do |n, c|
colors[n] ||= c
end
rescue Errno::ENOENT
end
end
@colors = colors
@reset = "#{@beg}m"
end
end
self
end
DEFAULTS = {
"pass"=>"32", "fail"=>"31;1", "skip"=>"33;1",
"black"=>"30", "red"=>"31", "green"=>"32", "yellow"=>"33",
"blue"=>"34", "magenta"=>"35", "cyan"=>"36", "white"=>"37",
"bold"=>"1", "underline"=>"4", "reverse"=>"7",
}
# colorize.decorate(str, name = color_name)
def decorate(str, name = @color)
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(ARGV.shift)
ARGV.each {|str| puts colorize.decorate(str)}
end