Class: Rack::Multipart::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/multipart/parser.rb

Constant Summary collapse

BUFSIZE = 
16384

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/rack/multipart/parser.rb', line 10

def initialize(env)
  @env = env
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/rack/multipart/parser.rb', line 14

def parse
  return nil unless setup_parse

  fast_forward_to_first_boundary

  opened_files = 0
  loop do

    head, filename, content_type, name, body =
      get_current_head_and_filename_and_content_type_and_name_and_body

    if Utils.multipart_part_limit > 0
      opened_files += 1 if filename
      raise MultipartLimitError, 'Maximum file multiparts in content reached' if opened_files >= Utils.multipart_part_limit
    end

    # Save the rest.
    if i = @buf.index(rx)
      body << @buf.slice!(0, i)
      @buf.slice!(0, @boundary_size+2)

      @content_length = -1  if $1 == "--"
    end

    filename, data = get_data(filename, body, content_type, name, head)

    Utils.normalize_params(@params, name, data) unless data.nil?

    # break if we're at the end of a buffer, but not if it is the end of a field
    break if (@buf.empty? && $1 != EOL) || @content_length == -1
  end

  @io.rewind

  @params.to_params_hash
end