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Mixin for holding meta-information.

Methods
C
L

Attributes

[RW] base_uri

returns a URI that is the base of relative URIs in the data. It may differ from the URI supplied by a user due to redirection.
[R] meta

returns a Hash that represents header fields. The Hash keys are downcased for canonicalization. The Hash values are a field body. If there are multiple field with same field name, the field values are concatenated with a comma.
[R] metas

returns a Hash that represents header fields. The Hash keys are downcased for canonicalization. The Hash value are an array of field values.
[RW] status

returns an Array that consists of status code and message.

Instance Public methods

charset()

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 that case, “utf-8” is returned as defined by RFC6838 4.2.1

Source: show | on GitHub 

# File ruby/lib/open-uri.rb, line 549
def charset
  type, *parameters = content_type_parse
  if pair = parameters.assoc('charset')
    pair.last.downcase
  elsif block_given?
    yield
  elsif type && %r{\Atext/} =~ type
    "utf-8" # RFC6838 4.2.1
  else
    nil
  end
end

content_encoding()

Returns a list of encodings in Content-Encoding field as an array of strings.

The encodings are downcased for canonicalization.

Source: show | on GitHub 

# File ruby/lib/open-uri.rb, line 566
def content_encoding
  vs = @metas['content-encoding']
  if vs && %r{\A#{RE_LWS}?#{RE_TOKEN}#{RE_LWS}?(?:,#{RE_LWS}?#{RE_TOKEN}#{RE_LWS}?)*}o =~ (v = vs.join(', '))
    v.scan(RE_TOKEN).map {|content_coding| content_coding.downcase}
  else
    []
  end
end

content_type()

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

Source: show | on GitHub 

# File ruby/lib/open-uri.rb, line 534
def content_type
  type, *_ = content_type_parse
  type || 'application/octet-stream'
end

last_modified()

returns a Time that represents the Last-Modified field.

Source: show | on GitHub 

# File ruby/lib/open-uri.rb, line 503
def last_modified
  if vs = @metas['last-modified']
    v = vs.join(', ')
    Time.httpdate(v)
  else
    nil
  end
end