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Contents
module RefCheck
##
# This module defines some methods for walking the reference tree
# of various objects.
#
def references(refs)
##
# Build up a set of references.
#
raise "Circular reference" if @_visited
@_visited = true
if( self.respond_to?(:get_references ) ) then
self.get_references.each do |ref|
refs[ref.to_s] = 1
end
end
self.ref_children.each do |elem|
elem.references(refs) if elem.respond_to?(:references)
end
@_visited = nil
return refs
end
def ref_children
return []
end
end
class Array
include RefCheck
def ref_children
return self
end
end
class Hash
include RefCheck
def ref_children
return self.values
end
end
Version data entries
52 entries across 52 versions & 1 rubygems