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module RGen
module Serializer
# simple identifier calculation based on qualified names.
# as a prerequisit, elements must have a local name stored in single attribute +attribute_name+.
# there may be classes without the name attribute though and there may be elements without a
# local name. in both cases the element will have the same qualified name as its container.
#
class QualifiedNameProvider
def initialize(options={})
@qualified_name_cache = {}
@attribute_name = options[:attribute_name] || "name"
@separator = options[:separator] || "/"
@leading_separator = options.has_key?(:leading_separator) ? options[:leading_separator] : true
end
def identifier(element)
if element.is_a?(RGen::MetamodelBuilder::MMProxy)
element.targetIdentifier
else
qualified_name(element)
end
end
def qualified_name(element)
return @qualified_name_cache[element] if @qualified_name_cache[element]
local_ident = ((element.respond_to?(@attribute_name) && element.getGeneric(@attribute_name)) || "").strip
parent = element.eContainer
if parent
if local_ident.size > 0
result = qualified_name(parent) + @separator + local_ident
else
result = qualified_name(parent)
end
else
result = (@leading_separator ? @separator : "") + local_ident
end
@qualified_name_cache[element] = result
end
end
end
end
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