48 lines
1.4 KiB
Ruby
48 lines
1.4 KiB
Ruby
class Object #:nodoc:
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def remove_subclasses_of(*superclasses)
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Class.remove_class(*subclasses_of(*superclasses))
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end
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def subclasses_of(*superclasses)
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subclasses = []
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ObjectSpace.each_object(Class) do |k|
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next if # Exclude this class if
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(k.ancestors & superclasses).empty? || # It's not a subclass of our supers
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superclasses.include?(k) || # It *is* one of the supers
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eval("! defined?(::#{k})") || # It's not defined.
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eval("::#{k}").object_id != k.object_id
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subclasses << k
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end
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subclasses
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end
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def extended_by
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ancestors = class << self; ancestors end
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ancestors.select { |mod| mod.class == Module } - [ Object, Kernel ]
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end
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def copy_instance_variables_from(object, exclude = [])
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exclude += object.protected_instance_variables if object.respond_to? :protected_instance_variables
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instance_variables = object.instance_variables - exclude.map { |name| name.to_s }
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instance_variables.each { |name| instance_variable_set(name, object.instance_variable_get(name)) }
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end
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def extend_with_included_modules_from(object)
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object.extended_by.each { |mod| extend mod }
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end
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def instance_values
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instance_variables.inject({}) do |values, name|
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values[name[1..-1]] = instance_variable_get(name)
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values
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end
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end
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unless defined? instance_exec # 1.9
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def instance_exec(*arguments, &block)
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block.bind(self)[*arguments]
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end
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end
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end
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