51 lines
2.1 KiB
Ruby
51 lines
2.1 KiB
Ruby
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# LiquidView is a action view extension class. You can register it with rails
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# and use liquid as an template system for .liquid files
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#
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# Example
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#
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# ActionView::Base::register_template_handler :liquid, LiquidView
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class LiquidView
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PROTECTED_ASSIGNS = %w( template_root response _session template_class action_name request_origin session template
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_response url _request _cookies variables_added _flash params _headers request cookies
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ignore_missing_templates flash _params logger before_filter_chain_aborted headers )
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PROTECTED_INSTANCE_VARIABLES = %w( @_request @controller @_first_render @_memoized__pick_template @view_paths
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@helpers @assigns_added @template @_render_stack @template_format @assigns )
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def self.call(template)
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"LiquidView.new(self).render(template, local_assigns)"
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end
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def initialize(view)
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@view = view
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end
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def render(template, local_assigns = nil)
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@view.controller.headers["Content-Type"] ||= 'text/html; charset=utf-8'
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# Rails 2.2 Template has source, but not locals
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if template.respond_to?(:source) && !template.respond_to?(:locals)
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assigns = (@view.instance_variables - PROTECTED_INSTANCE_VARIABLES).inject({}) do |hash, ivar|
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hash[ivar[1..-1]] = @view.instance_variable_get(ivar)
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hash
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end
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else
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assigns = @view.assigns.reject{ |k,v| PROTECTED_ASSIGNS.include?(k) }
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end
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source = template.respond_to?(:source) ? template.source : template
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local_assigns = (template.respond_to?(:locals) ? template.locals : local_assigns) || {}
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if content_for_layout = @view.instance_variable_get("@content_for_layout")
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assigns['content_for_layout'] = content_for_layout
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end
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assigns.merge!(local_assigns.stringify_keys)
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liquid = Liquid::Template.parse(source)
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liquid.render(assigns, :filters => [@view.controller.master_helper_module], :registers => {:action_view => @view, :controller => @view.controller})
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end
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def compilable?
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false
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end
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end
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