Module: AnsiHelper

Included in:
DeploysController
Defined in:
app/helpers/ansi_helper.rb

Constant Summary collapse

ANSI_COLOR = 
{
 "1" => "ansi-bold",
 "4" => "ansi-underline",
"30" => "ansi-black",
"31" => "ansi-red",
"32" => "ansi-green",
"33" => "ansi-yellow",
"34" => "ansi-blue",
"35" => "ansi-magenta",
"36" => "ansi-cyan",
"37" => "ansi-white",
"90" => "ansi-bright-black",
"91" => "ansi-bright-red",
"92" => "ansi-bright-green",
"93" => "ansi-bright-yellow",
"94" => "ansi-bright-blue",
"95" => "ansi-bright-magenta",
"96" => "ansi-bright-cyan",
"97" => "ansi-bright-white" }.freeze

Instance Method Summary collapse

Instance Method Details

#ansi_to_html(ansi) ⇒ Object 



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# File 'app/helpers/ansi_helper.rb', line 23

def ansi_to_html(ansi)
  return "" if ansi.nil?

  html = "<div class=\"ansi\">"
  string = StringScanner.new(ansi.gsub("<", "&lt;"))
  spans = 0
  until string.eos?
    if string.scan(/\e\[(3[0-7]|90|1)m/)
      html << "<span class=\"#{ANSI_COLOR[string[1]]}\">"
      spans += 1
    elsif string.scan(/\e\[0m/)
      while spans > 0
        html << "</span>"
        spans -= 1
      end
    else
      html << string.scan(/./m)
    end
  end
  html << "</div>"
  html.html_safe
end