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class Object #:nodoc:
def remove_subclasses_of(*superclasses)
subclasses_of(*superclasses).each do |subclass|
Object.send(:remove_const, subclass.to_s) rescue nil
end
end
def subclasses_of(*superclasses)
subclasses = []
ObjectSpace.each_object(Class) do |k|
next if (k.ancestors & superclasses).empty? || superclasses.include?(k) || k.to_s.include?("::") || subclasses.include?(k)
subclasses << k
end
subclasses
end
def extended_by
ancestors = class << self; ancestors end
ancestors.select { |mod| mod.class == Module } - [ Object, Kernel ]
end
def copy_instance_variables_from(object, exclude = [])
exclude += object.protected_instance_variables if
object.respond_to? :protected_instance_variables
instance_variables = object.instance_variables - exclude.map { |name| name.to_s }
instance_variables.each do |name|
instance_variable_set name, object.instance_variable_get(name)
end
end
def extend_with_included_modules_from(object)
object.extended_by.each { |mod| extend mod }
end
# "", " ", nil, [], and {} are blank
def blank?
if respond_to?(:empty?) && respond_to?(:strip)
empty? or strip.empty?
elsif respond_to?(:empty?)
empty?
else
!self
end
end
def suppress(*exception_classes)
begin yield
rescue Exception => e
raise unless exception_classes.any? {|cls| e.kind_of? cls}
end
end
end
class Class #:nodoc:
def remove_subclasses
Object.remove_subclasses_of(self)
end
def subclasses
Object.subclasses_of(self).map { |o| o.to_s }
end
end
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