In Files

  • open-uri.rb

OpenURI::Meta

Mixin for holding meta-information.

Attributes

base_uri[RW]

returns a URI which is base of relative URIs in the data. It may differ from the URI supplied by a user because redirection.

meta[R]

returns a Hash which represents header fields. The Hash keys are downcased for canonicalization.

status[RW]

returns an Array which consists status code and message.

Public Instance Methods

charset() click to toggle source

returns a charset parameter in Content-Type field. It is downcased for canonicalization.

If charset parameter is not given but a block is given, the block is called and its result is returned. It can be used to guess charset.

If charset parameter and block is not given, nil is returned except text type in HTTP. In that case, “iso-8859-1” is returned as defined by RFC2616 3.7.1.

 
               # File open-uri.rb, line 497
def charset
  type, *parameters = content_type_parse
  if pair = parameters.assoc('charset')
    pair.last.downcase
  elsif block_given?
    yield
  elsif type && %r{\Atext/} =~ type &&
        @base_uri && /\Ahttp\z/i =~ @base_uri.scheme
    "iso-8859-1" # RFC2616 3.7.1
  else
    nil
  end
end
            
content_encoding() click to toggle source

returns a list of encodings in Content-Encoding field as an Array of String. The encodings are downcased for canonicalization.

 
               # File open-uri.rb, line 514
def content_encoding
  v = @meta['content-encoding']
  if v && %r{\A#{RE_LWS}?#{RE_TOKEN}#{RE_LWS}?(?:,#{RE_LWS}?#{RE_TOKEN}#{RE_LWS}?)*}o =~ v
    v.scan(RE_TOKEN).map {|content_coding| content_coding.downcase}
  else
    []
  end
end
            
content_type() click to toggle source

returns “type/subtype” which is MIME Content-Type. It is downcased for canonicalization. Content-Type parameters are stripped.

 
               # File open-uri.rb, line 482
def content_type
  type, *parameters = content_type_parse
  type || 'application/octet-stream'
end
            
last_modified() click to toggle source

returns a Time which represents Last-Modified field.

 
               # File open-uri.rb, line 447
def last_modified
  if v = @meta['last-modified']
    Time.httpdate(v)
  else
    nil
  end
end