2008-02-05 23:26:40 -05:00
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module ActionView #:nodoc:
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class Template #:nodoc:
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extend TemplateHandlers
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attr_accessor :locals
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attr_reader :handler, :path, :extension, :filename, :method
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2008-04-19 11:16:32 -04:00
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def initialize(view, path, use_full_path, locals = {})
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@view = view
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@paths = view.view_paths
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@original_path = path
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@path = TemplateFile.from_path(path, !use_full_path)
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@view.first_render ||= @path.to_s
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@source = nil # Don't read the source until we know that it is required
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set_extension_and_file_name(use_full_path)
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@locals = locals || {}
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@handler = self.class.handler_class_for_extension(@extension).new(@view)
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end
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def render_template
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render
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rescue Exception => e
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raise e unless filename
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if TemplateError === e
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e.sub_template_of(filename)
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raise e
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else
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raise TemplateError.new(self, @view.assigns, e)
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end
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end
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def render
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prepare!
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@handler.render(self)
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end
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def path_without_extension
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@path.path_without_extension
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end
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def source
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@source ||= File.read(self.filename)
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end
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def method_key
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@filename
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end
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def base_path_for_exception
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(@paths.find_load_path_for_path(@path) || @paths.first).to_s
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end
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def prepare!
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@view.send :evaluate_assigns
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@view.current_render_extension = @extension
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if @handler.compilable?
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@handler.compile_template(self) # compile the given template, if necessary
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@method = @view.method_names[method_key] # Set the method name for this template and run it
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end
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end
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private
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def set_extension_and_file_name(use_full_path)
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@extension = @path.extension
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if use_full_path
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unless @extension
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@path = @view.send(:template_file_from_name, @path)
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raise_missing_template_exception unless @path
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@extension = @path.extension
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end
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if @path = @paths.find_template_file_for_path(path)
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@filename = @path.full_path
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@extension = @path.extension
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end
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else
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@filename = @path.full_path
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end
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raise_missing_template_exception if @filename.blank?
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end
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def raise_missing_template_exception
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full_template_path = @original_path.include?('.') ? @original_path : "#{@original_path}.#{@view.template_format}.erb"
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display_paths = @paths.join(':')
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template_type = (@original_path =~ /layouts/i) ? 'layout' : 'template'
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raise(MissingTemplate, "Missing #{template_type} #{full_template_path} in view path #{display_paths}")
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end
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end
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end
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