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# File 'lib/rss/dublincore.rb', line 8
def append_features(klass)
super
return if klass.instance_of?(Module)
DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
plural = plural_name || "#{name}s"
full_name = "#{DC_PREFIX}_#{name}"
full_plural_name = "#{DC_PREFIX}_#{plural}"
klass_name = "DublinCore#{Utils.to_class_name(name)}"
klass.install_must_call_validator(DC_PREFIX, DC_URI)
klass.install_have_children_element(name, DC_URI, "*",
full_name, full_plural_name)
klass.module_eval(<<-EOC, *get_file_and_line_from_caller(0))
remove_method :#{full_name}
remove_method :#{full_name}=
remove_method :set_#{full_name}
def #{full_name}
@#{full_name}.first and @#{full_name}.first.value
end
def #{full_name}=(new_value)
@#{full_name}[0] = Utils.new_with_value_if_need(#{klass_name}, new_value)
end
alias set_#{full_name} #{full_name}=
EOC
end
klass.module_eval(<<-EOC, *get_file_and_line_from_caller(0))
if method_defined?(:date)
alias date_without_#{DC_PREFIX}_date= date=
def date=(value)
self.date_without_#{DC_PREFIX}_date = value
self.#{DC_PREFIX}_date = value
end
else
alias date #{DC_PREFIX}_date
alias date= #{DC_PREFIX}_date=
end
# For backward compatibility
alias #{DC_PREFIX}_rightses #{DC_PREFIX}_rights_list
EOC
end
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