Sha256: 41983214d22c1b7952dffeb7d4c8c42879fd48979135f4af0431cc5782d892fb
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Versions: 6
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Contents
##
# This class encapsulates a meta element with a refresh http-equiv. Mechanize
# treats meta refresh elements just like 'a' tags. MetaRefresh objects will
# contain links, but most likely will have no text.
class Mechanize::Page::MetaRefresh < Mechanize::Page::Link
##
# Time to wait before next refresh
attr_reader :delay
##
# This MetaRefresh links did not contain a url= in the content attribute and
# links to itself.
attr_reader :link_self
##
# Matches the content attribute of a meta refresh element. After the match:
#
# $1:: delay
# $3:: url
CONTENT_REGEXP = /^\s*(\d+\.?\d*)(;|;\s*url=\s*['"]?(\S*?)['"]?)?\s*$/i
##
# Parses the delay and url from the content attribute of a meta refresh
# element. Parse requires the uri of the current page to infer a url when
# no url is specified.
#
# Returns an array of [delay, url]. (both in string)
#
# Returns nil if the delay and url cannot be parsed.
def self.parse content, base_uri
return unless content =~ CONTENT_REGEXP
link_self = $3.nil? || $3.empty?
delay, refresh_uri = $1, $3
dest = base_uri
dest += refresh_uri if refresh_uri
return delay, dest, link_self
end
def self.from_node node, page, uri
http_equiv = node['http-equiv']
return unless http_equiv and http_equiv.downcase == 'refresh'
delay, uri, link_self = parse node['content'], uri
return unless delay
new node, page, delay, uri.to_s, link_self
end
def initialize node, page, delay, href, link_self = false
super node, page.mech, page
@delay = delay =~ /\./ ? delay.to_f : delay.to_i
@href = href
@link_self = link_self
end
end
Version data entries
6 entries across 6 versions & 3 rubygems