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
|
$:.unshift File.dirname(__FILE__)
module Colorator
module_function
VERSION = "1.1.0"
# --------------------------------------------------------------------------
ANSI_MATCHR = /\x1b.*?[jkmsuABGKH]/
ANSI_COLORS = {
:black => 30,
:red => 31,
:green => 32,
:yellow => 33,
:blue => 34,
:magenta => 35,
:cyan => 36,
:white => 37,
:bold => 1
}
# --------------------------------------------------------------------------
# Allows you to check if a string currently has ansi.
# --------------------------------------------------------------------------
def has_ansi?(str)
str.match(ANSI_MATCHR).is_a?(
MatchData
)
end
# --------------------------------------------------------------------------
# Jump the cursor, moving it up and then back down to it's spot, allowing
# you to do fancy things like multiple output (downloads) the way that Docker
# does them in an async way without breaking term.
# --------------------------------------------------------------------------
def ansi_jump(str, num)
"\x1b[#{num}A#{clear_line(str)}\x1b[#{
num
}B"
end
# --------------------------------------------------------------------------
def reset_ansi(str = "")
"\x1b[0m#{
str
}"
end
# --------------------------------------------------------------------------
def clear_line(str = "")
"\x1b[2K\r#{
str
}"
end
# --------------------------------------------------------------------------
# Strip ANSI from the current string, making it just a normal string.
# --------------------------------------------------------------------------
def strip_ansi(str)
str.gsub(
ANSI_MATCHR, ""
)
end
# --------------------------------------------------------------------------
# Clear the screen's current view, so the user gets a clean output.
# --------------------------------------------------------------------------
def clear_screen(str = "")
"\x1b[H\x1b[2J#{
str
}"
end
# --------------------------------------------------------------------------
def colorize(str = "", color)
"\x1b[#{color}m#{str}\x1b[0m"
end
# --------------------------------------------------------------------------
Colorator::ANSI_COLORS.each do |color, code|
define_singleton_method color do |str|
colorize(
str, code
)
end
end
# --------------------------------------------------------------------------
class << self
alias reset_color reset_ansi
alias strip_color strip_ansi
alias has_color? has_ansi?
end
# --------------------------------------------------------------------------
CORE_METHODS = (
public_methods - Object.methods
)
end
require "colorator/core_ext"
|
