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# File 'lib/zena/use/conditional.rb', line 9
def rubyless_class_scope(class_name)
return parser_error("Cannot scope class in list (use each before filtering).") if node.list_context?
if klass = VirtualClass[class_name]
if klass.kpath =~ %r{^#{node.klass.kpath}} || @context[:saved_template]
cond = "#{node}.kpath_match?('#{klass.kpath}')"
new_node = node.move_to(node.name, klass)
else
cond = 'false'
new_node = node.move_to(node.name, klass)
end
elsif role = Node.get_role(class_name)
if node.klass.kpath =~ %r{^#{role.kpath}} || @context[:saved_template]
cond = "#{node}.has_role?(#{role.id})"
new_node = node.move_to(node.name, node.klass)
else
cond = 'false'
new_node = node.move_to(node.name, node.klass)
end
else
return parser_error("Invalid role or class '#{class_name}'")
end
if parent.method == 'case'
with_context(:node => new_node) do
r_elsif(cond)
end
else
out expand_if(cond, new_node)
end
end
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