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Contents
# Converts ansi formatting codes to html
module Cardio
module Utils
# convert ANSI to html
module Ansi2Html
def ansi2html data
data.gsub(/\033\[(?<code>[\d\;]{2,})m(?<content>.*?)\033\[0m/) do
to_span_tag Regexp.last_match(:code), Regexp.last_match(:content)
end
end
private
ANSI_COLOR_CODE = {
0 => "black",
1 => "red",
2 => "green",
3 => "gold",
4 => "blue",
5 => "magenta",
6 => "darkcyan",
7 => "white"
}.freeze
ANSI_BRIGHT_COLOR_CODE = {
0 => "gray",
1 => "lightcoral",
2 => "lightgreen",
3 => "lightyellow",
4 => "lightblue",
5 => "mediumpurple",
6 => "lightcyan",
7 => "lightgray"
}.freeze
STYLE_MAPPINGS = {
1 => "font-weight:bold",
2 => "opacity:0.5",
3 => "font-style:italic",
4 => "text-decoration:underline",
5 => "text-decoration:blink",
6 => "text-decoration:blink",
9 => "text-decoration:line-through"
}.freeze
def to_span_tag codes, content
style = codes.split(";")
.map(&method(:translate_style_code))
.join
"<span style='#{style}'>#{content}</span>"
end
def translate_style_code code
return STYLE_MAPPINGS[code.to_i] if code.size == 1
color_code = code[-1].to_i
property, mapping =
case code[0..-2]
when "3"
["color", ANSI_COLOR_CODE]
when "4"
["background-color", ANSI_COLOR_CODE]
when "9"
["color", ANSI_BRIGHT_COLOR_CODE]
when "10"
["background-color", ANSI_BRIGHT_COLOR_CODE]
end
"#{property}: #{mapping[color_code]}; "
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems