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element_wrapper.rb
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element_wrapper.rb
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module Pacer::Wrappers
class ElementWrapper
include Pacer::Element
extend Forwardable
include Comparable
class << self
def wrap(element, exts)
wrapper_for(exts).new(element.element)
end
def extensions
@extensions ||= []
end
def clear_cache
Pacer.send :remove_const, :Wrap if Pacer.const_defined? :Wrap
VertexWrapper.clear_cache
EdgeWrapper.clear_cache
end
def route_conditions
return @route_conditions if defined? @route_conditions
@route_conditions = extensions.inject({}) do |h, ext|
if ext.respond_to? :route_conditions
h.merge! ext.route_conditions
else
h
end
end
@route_conditions
end
protected
def build_extension_wrapper(exts, mod_names, superclass)
sc_name = superclass.to_s.split(/::/).last
exts = exts.uniq unless exts.is_a? Set
classname = "#{sc_name}#{exts.map { |m| m.to_s }.join('')}".gsub(/::/, '_').gsub(/\W/, '')
eval "module ::Pacer; module Wrap; class #{classname.to_s} < #{sc_name}; end; end; end"
wrapper = Pacer::Wrap.const_get classname
exts.each do |obj|
if obj.is_a? Module or obj.is_a? Class
mod_names.each do |mod_name|
if obj.const_defined? mod_name
wrapper.send :include, obj.const_get(mod_name)
wrapper.extensions << obj unless wrapper.extensions.include? obj
end
end
end
end
wrapper
end
end
def initialize(element)
@element = element
after_initialize
end
def element_id
@element.get_id
end
def hash
@element.hash
end
def eql?(other)
@element.eql?(other)
end
protected
def after_initialize
end
end
end