Provides functionality for filtering parts of an item or a layout.
Filters the content in the given block and outputs it. This function does not return anything; instead, the filtered contents is directly appended to the output buffer (`_erbout`).
This function has been tested with ERB and Haml. Other filters may not work correctly.
@example Running a filter on a part of an item or layout
<p>Lorem ipsum dolor sit amet...</p> <% filter :rubypants do %> <p>Consectetur adipisicing elit...</p> <% end %>
@param [Symbol] filter_name The name of the filter to run on the contents of the block
@param [Hash] argument Arguments to pass to the filter
@return [void]
# File lib/nanoc3/helpers/filtering.rb, line 30 def filter(filter_name, arguments={}, &block) # Capture block data = capture(&block) # Find filter klass = Nanoc3::Filter.named(filter_name) raise Nanoc3::Errors::UnknownFilter.new(filter_name) if klass.nil? filter = klass.new(@item_rep.assigns) # Filter captured data filtered_data = filter.run(data, arguments) # Append filtered data to buffer buffer = eval('_erbout', block.binding) buffer << filtered_data end
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