Class: Jekyll::Stepper::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll-stepper/converter.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/jekyll-stepper/converter.rb', line 6

def initialize(config)
  @config = config
end

Instance Method Details

#convert(content) ⇒ Object 



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# File 'lib/jekyll-stepper/converter.rb', line 10

def convert(content)
  lines = content.lines
  result = []
  i = 0

  while i < lines.length
    line = lines[i]
    match = line.match(/^(`{3,})(\S*)\s*$/)

    if match
      backtick_count = match[1].length
      info_string = match[2]

      if info_string == "stepper"
        block_lines = []
        i += 1
        closer = /^`{#{backtick_count}}\s*$/

        while i < lines.length
          break if lines[i].match(closer)
          block_lines << lines[i]
          i += 1
        end

        i += 1 if i < lines.length

        steps = parse_steps(block_lines.join)
        if steps.empty?
          result << "#{match[1]}stepper\n"
          result.concat(block_lines)
          result << "`" * backtick_count + "\n"
        else
          result << render_stepper(steps)
        end
      else
        result << line
        i += 1
        closer = /^`{#{backtick_count}}\s*$/

        while i < lines.length
          result << lines[i]
          break if lines[i].match(closer)
          i += 1
        end

        i += 1
      end
    else
      result << line
      i += 1
    end
  end

  result.join
end