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Versions: 26
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Contents
module WWW
class Mechanize
##
# This class manages history for your mechanize object.
class History < Array
attr_accessor :max_size
def initialize(max_size = nil)
@max_size = max_size
@history_index = {}
end
def initialize_copy(orig)
super
@history_index = orig.instance_variable_get(:@history_index).dup
end
def push(page, uri = nil)
super(page)
@history_index[(uri ? uri : page.uri).to_s] = page
if @max_size && self.length > @max_size
while self.length > @max_size
self.shift
end
end
self
end
alias :<< :push
def visited?(url)
! visited_page(url).nil?
end
def visited_page(url)
@history_index[(url.respond_to?(:uri) ? url.uri : url).to_s]
end
def clear
@history_index.clear
super
end
def shift
return nil if length == 0
page = self[0]
self[0] = nil
super
remove_from_index(page)
page
end
def pop
return nil if length == 0
page = super
remove_from_index(page)
page
end
private
def remove_from_index(page)
@history_index.each do |k,v|
@history_index.delete(k) if v == page
end
end
end
end
end
Version data entries
26 entries across 26 versions & 5 rubygems