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File name : history.rb

Content :## # This class manages history for your mechanize object. class Mechanize::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 inspect # :nodoc: uris = map(&:uri).join ', ' "[#{uris}]" end def push(page, uri = nil) super page index = uri ? uri : page.uri @history_index[index.to_s] = page shift while length > @max_size if @max_size self end alias :<< :push def visited? uri page = @history_index[uri.to_s] return page if page # HACK uri = uri.dup uri.path = '/' if uri.path.empty? @history_index[uri.to_s] end alias visited_page visited? 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

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