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# File 'lib/braai/helpers.rb', line 3
def resolve_variable_chain_value(str)
value = nil
chain = str.split('.')
if template.attributes.has_key?(chain.first)
value = template.attributes[chain.shift] || ''
else
return nil unless value
end
chain.each do |a|
if value.respond_to?(a.to_sym)
value = value.send(a) || ''
elsif value.is_a?(Hash)
if value.has_key?(a.to_sym) || value.has_key?(a.to_s)
value = value[a.to_sym] || value[a.to_s] || ''
else
return nil
end
else
return nil
end
end
value
end
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