Method: Cosensee::LineParser#parse_bracket

Defined in:

lib/cosensee/line_parser.rb

#parse_bracket(line) ⇒ Object

# File 'lib/cosensee/line_parser.rb', line 192

def parse_bracket(line)
  return line if line.parsed?

  parsed = []
  stack = nil
  target_char = '[' # or "]"

  line.content.each do |elem|
    case elem
    when Cosensee::Node::Code, Cosensee::Node::DoubleBracket
      if target_char == '['
        parsed << elem
      else
        stack << elem
      end
    else # elem is String
      loop do
        n = elem.index(target_char)
        if n
          if target_char == '['
            parsed << elem[0, n]
            target_char = ']'
            stack = []
          else
            stack << elem[0, n]
            target_char = '['
            parsed << @bracket_parser.parse(stack)
            stack = nil
          end
          elem = elem[(n + 1)..]
        else
          if target_char == '['
            parsed << elem
          else
            stack << elem
          end
          break
        end
      end
    end
  end

  if stack
    # parsed += ['['] + stack
    parsed << '['
    parsed.concat(stack)
  end

  line.update(content: clean_elements(parsed))
end