Method: String#tokenize_color

Defined in:
lib/nub/core.rb

#tokenize_color ⇒ Object

Tokenize the given colorized string



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# File 'lib/nub/core.rb', line 182

def tokenize_color
  tokens = []
  matches = self.to_enum(:scan, /\e\[0;[39]\d;49m(.*?[\s]*)\e\[0m/).map{Regexp.last_match}

  i, istart, iend = 0, 0, 0
  match = matches[i]
  while istart < self.size
    color = "39"
    iend = self.size
    token = self[istart..iend]

    # Current token is not a match
    if match && match.begin(0) != istart
      iend = match.begin(0)-1
      token = self[istart..iend]
      istart = iend + 1

    # Current token is a match
    elsif match && match.begin(0) == istart
      iend = match.end(0)
      token = match.captures.first
      color = match.to_s[/\e\[0;(\d+);49m.*/, 1]
      i += 1; match = matches[i]
      istart = iend

    # Ending
    else
      istart = iend
    end

    # Create token and advance
    tokens << ColorPair.new(token, color.to_i, ColorMap[color.to_i])
  end

  return tokens
end