Parse Email Crude

email-parser.rb

class Email
  attr :headers
  attr :body
  
  def initialize
    @headers = Multimap.new
    @body = ""
  end
  
  def parse(io)
    parse_lines(io.readlines)
  end
  
  def parse_lines(lines)
    index = 0
    while index < lines.size
      line = lines[index].strip
      if line == ""
        @body = lines[index..-1].strip.join("\n")
        break
      else
        name, value = line.split(":")
        @headers[name.strip] = value.strip
        index += 1
      end
    end
  end
  
  def [](name)
    @headers[name]
  end
  
  def self.read(io)
    e = Email.new
    e.parse(io)
    e
  end
end