Class: WEBrick::HTTPUtils::FormData

Inherits:
String
  • Object
show all
Defined in:
lib/webrick/httputils.rb

Overview

Stores multipart form data. FormData objects are created when WEBrick::HTTPUtils.parse_form_data is called.

Constant Summary collapse

EmptyRawHeader =

:nodoc:

[].freeze
EmptyHeader =

:nodoc:

{}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ FormData

Creates a new FormData object.

args is an Array of form data entries. One FormData will be created for each entry.

This is called by WEBrick::HTTPUtils.parse_form_data for you



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# File 'lib/webrick/httputils.rb', line 298

def initialize(*args)
  @name = @filename = @next_data = nil
  if args.empty?
    @raw_header = []
    @header = nil
    super("")
  else
    @raw_header = EmptyRawHeader
    @header = EmptyHeader
    super(args.shift)
    unless args.empty?
      @next_data = self.class.new(*args)
    end
  end
end

Instance Attribute Details

#filename ⇒ Object

The filename of the form data part



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# File 'lib/webrick/httputils.rb', line 285

def filename
  @filename
end

#name ⇒ Object

The name of the form data part



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# File 'lib/webrick/httputils.rb', line 280

def name
  @name
end

#next_data=(value) ⇒ Object

:nodoc:



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# File 'lib/webrick/httputils.rb', line 287

def next_data=(value)
  @next_data = value
end

Instance Method Details

#<<(str) ⇒ Object

Adds str to this FormData which may be the body, a header or a header entry.

This is called by WEBrick::HTTPUtils.parse_form_data for you



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# File 'lib/webrick/httputils.rb', line 331

def <<(str)
  if @header
    super
  elsif str == CRLF
    @header = HTTPUtils::parse_header(@raw_header.join)
    if cd = self['content-disposition']
      if /[ \t]+name="(.*?)"/ =~ cd then @name = $1 end
      if /[ \t]+filename="(.*?)"/ =~ cd then @filename = $1 end
    end
  else
    @raw_header << str
  end
  self
end

#[](*key) ⇒ Object

Retrieves the header at the first entry in key



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# File 'lib/webrick/httputils.rb', line 317

def [](*key)
  begin
    @header[key[0].downcase].join(", ")
  rescue StandardError, NameError
    super
  end
end

#append_data(data) ⇒ Object

Adds data at the end of the chain of entries

This is called by WEBrick::HTTPUtils.parse_form_data for you.



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# File 'lib/webrick/httputils.rb', line 351

def append_data(data)
  tmp = self
  while tmp
    unless tmp.next_data
      tmp.next_data = data
      break
    end
    tmp = tmp.next_data
  end
  self
end

#each_data ⇒ Object

Yields each entry in this FormData



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# File 'lib/webrick/httputils.rb', line 366

def each_data
  tmp = self
  while tmp
    next_data = tmp.next_data
    yield(tmp)
    tmp = next_data
  end
end

#list ⇒ Object Also known as: to_ary

Returns all the FormData as an Array



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# File 'lib/webrick/httputils.rb', line 378

def list
  ret = []
  each_data{|data|
    ret << data.to_s
  }
  ret
end

#to_s ⇒ Object

This FormData’s body



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# File 'lib/webrick/httputils.rb', line 394

def to_s
  String.new(self)
end