58 lines
1.4 KiB
Ruby
58 lines
1.4 KiB
Ruby
module RablFastJson
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class CompiledTemplate
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attr_accessor :source, :data, :root_name, :context
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delegate :[], :[]=, :merge!, :to => :source
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def initialize
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@source = {}
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end
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def get_object_from_assigns
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@object = @context.instance_variable_get(@data)
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end
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def render
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get_object_from_assigns
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@object.respond_to?(:each) ? render_collection : render_resource
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end
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def render_resource(data = nil, source = nil)
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output = {}
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data ||= @object
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source ||= @source
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source.each_pair { |key, value|
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out = case value
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when Symbol
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data.send(value) # attributes
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when Proc
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value.call(data) # node
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when Hash
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data_symbol = value.delete(:_data)
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object = data_symbol.to_s.start_with?('@') ? @context.instance_variable_get(data_symbol) : @object.send(data_symbol)
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if key.to_s.start_with?('_') # glue
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value.each_pair { |k, v|
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output[k] = object.send(v)
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}
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next
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else # child
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object.respond_to?(:each) ? render_collection(object, value) : render_resource(object, value)
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end
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end
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output[key] = out
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}
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output
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end
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def render_collection(collection = nil, source = nil)
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output = []
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collection ||= @object
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collection.each { |o| output << render_resource(o, source) }
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output
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end
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end
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end |