/usr/lib/ruby/vendor_ruby/thor/shell/color.rb is in ruby-thor 0.19.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | require "thor/shell/basic"
class Thor
module Shell
# Inherit from Thor::Shell::Basic and add set_color behavior. Check
# Thor::Shell::Basic to see all available methods.
#
class Color < Basic
# Embed in a String to clear all previous ANSI sequences.
CLEAR = "\e[0m"
# The start of an ANSI bold sequence.
BOLD = "\e[1m"
# Set the terminal's foreground ANSI color to black.
BLACK = "\e[30m"
# Set the terminal's foreground ANSI color to red.
RED = "\e[31m"
# Set the terminal's foreground ANSI color to green.
GREEN = "\e[32m"
# Set the terminal's foreground ANSI color to yellow.
YELLOW = "\e[33m"
# Set the terminal's foreground ANSI color to blue.
BLUE = "\e[34m"
# Set the terminal's foreground ANSI color to magenta.
MAGENTA = "\e[35m"
# Set the terminal's foreground ANSI color to cyan.
CYAN = "\e[36m"
# Set the terminal's foreground ANSI color to white.
WHITE = "\e[37m"
# Set the terminal's background ANSI color to black.
ON_BLACK = "\e[40m"
# Set the terminal's background ANSI color to red.
ON_RED = "\e[41m"
# Set the terminal's background ANSI color to green.
ON_GREEN = "\e[42m"
# Set the terminal's background ANSI color to yellow.
ON_YELLOW = "\e[43m"
# Set the terminal's background ANSI color to blue.
ON_BLUE = "\e[44m"
# Set the terminal's background ANSI color to magenta.
ON_MAGENTA = "\e[45m"
# Set the terminal's background ANSI color to cyan.
ON_CYAN = "\e[46m"
# Set the terminal's background ANSI color to white.
ON_WHITE = "\e[47m"
# Set color by using a string or one of the defined constants. If a third
# option is set to true, it also adds bold to the string. This is based
# on Highline implementation and it automatically appends CLEAR to the end
# of the returned String.
#
# Pass foreground, background and bold options to this method as
# symbols.
#
# Example:
#
# set_color "Hi!", :red, :on_white, :bold
#
# The available colors are:
#
# :bold
# :black
# :red
# :green
# :yellow
# :blue
# :magenta
# :cyan
# :white
# :on_black
# :on_red
# :on_green
# :on_yellow
# :on_blue
# :on_magenta
# :on_cyan
# :on_white
def set_color(string, *colors)
if colors.compact.empty? || !can_display_colors?
string
elsif colors.all? { |color| color.is_a?(Symbol) || color.is_a?(String) }
ansi_colors = colors.map { |color| lookup_color(color) }
"#{ansi_colors.join}#{string}#{CLEAR}"
else
# The old API was `set_color(color, bold=boolean)`. We
# continue to support the old API because you should never
# break old APIs unnecessarily :P
foreground, bold = colors
foreground = self.class.const_get(foreground.to_s.upcase) if foreground.is_a?(Symbol)
bold = bold ? BOLD : ""
"#{bold}#{foreground}#{string}#{CLEAR}"
end
end
protected
def can_display_colors?
stdout.tty?
end
# Overwrite show_diff to show diff with colors if Diff::LCS is
# available.
#
def show_diff(destination, content) #:nodoc:
if diff_lcs_loaded? && ENV["THOR_DIFF"].nil? && ENV["RAILS_DIFF"].nil?
actual = File.binread(destination).to_s.split("\n")
content = content.to_s.split("\n")
Diff::LCS.sdiff(actual, content).each do |diff|
output_diff_line(diff)
end
else
super
end
end
def output_diff_line(diff) #:nodoc:
case diff.action
when "-"
say "- #{diff.old_element.chomp}", :red, true
when "+"
say "+ #{diff.new_element.chomp}", :green, true
when "!"
say "- #{diff.old_element.chomp}", :red, true
say "+ #{diff.new_element.chomp}", :green, true
else
say " #{diff.old_element.chomp}", nil, true
end
end
# Check if Diff::LCS is loaded. If it is, use it to create pretty output
# for diff.
#
def diff_lcs_loaded? #:nodoc:
return true if defined?(Diff::LCS)
return @diff_lcs_loaded unless @diff_lcs_loaded.nil?
@diff_lcs_loaded = begin
require "diff/lcs"
true
rescue LoadError
false
end
end
end
end
end
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