_header_for_hash

# File lib/cgi/core.rb, line 199
  def _header_for_hash(options)  #:nodoc:
    buf = ''
    ## add charset to option['type']
    options['type'] ||= 'text/html'
    charset = options.delete('charset')
    options['type'] += "; charset=#{charset}" if charset
    ## NPH
    options.delete('nph') if defined?(MOD_RUBY)
    if options.delete('nph') || nph?()
      protocol = $CGI_ENV['SERVER_PROTOCOL'] || 'HTTP/1.0'
      status = options.delete('status')
      status = HTTP_STATUS[status] || status || '200 OK'
      buf << "#{protocol} #{status}#{EOL}"
      buf << "Date: #{CGI.rfc1123_date(Time.now)}#{EOL}"
      options['server'] ||= $CGI_ENV['SERVER_SOFTWARE'] || ''
      options['connection'] ||= 'close'
    end
    ## common headers
    status = options.delete('status')
    buf << "Status: #{HTTP_STATUS[status] || status}#{EOL}" if status
    server = options.delete('server')
    buf << "Server: #{server}#{EOL}" if server
    connection = options.delete('connection')
    buf << "Connection: #{connection}#{EOL}" if connection
    type = options.delete('type')
    buf << "Content-Type: #{type}#{EOL}" #if type
    length = options.delete('length')
    buf << "Content-Length: #{length}#{EOL}" if length
    language = options.delete('language')
    buf << "Content-Language: #{language}#{EOL}" if language
    expires = options.delete('expires')
    buf << "Expires: #{CGI.rfc1123_date(expires)}#{EOL}" if expires
    ## cookie
    if cookie = options.delete('cookie')
      case cookie
      when String, Cookie
        buf << "Set-Cookie: #{cookie}#{EOL}"
      when Array
        arr = cookie
        arr.each {|c| buf << "Set-Cookie: #{c}#{EOL}" }
      when Hash
        hash = cookie
        hash.each_value {|c| buf << "Set-Cookie: #{c}#{EOL}" }
      end
    end
    if @output_cookies
      @output_cookies.each {|c| buf << "Set-Cookie: #{c}#{EOL}" }
    end
    ## other headers
    options.each do |key, value|
      buf << "#{key}: #{value}#{EOL}"
    end
    return buf
  end