Module: Nanoc::Helpers::Filtering

Includes:
Capturing
Defined in:
lib/nanoc/helpers/filtering.rb

Overview

See Also:

Instance Method Summary collapse

Methods included from Capturing

#capture, #content_for

Instance Method Details

#filter(filter_name, arguments = {}, &block) ⇒ void

This method returns an undefined value.

Parameters:

  • filter_name (Symbol)
  • arguments (Hash) (defaults to: {}) 


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# File 'lib/nanoc/helpers/filtering.rb', line 13

def filter(filter_name, arguments = {}, &block)
  # Capture block
  data = capture(&block)

  # Find filter
  klass = Nanoc::Filter.named!(filter_name)

  # Create filter
  assigns = {
    item: @item,
    rep: @rep,
    item_rep: @item_rep,
    items: @items,
    layouts: @layouts,
    config: @config,
    content: @content,
  }
  filter = klass.new(assigns)

  # Filter captured data
  Nanoc::Core::NotificationCenter.post(:filtering_started, @item_rep._unwrap, filter_name)
  filtered_data = filter.setup_and_run(data, arguments)
  Nanoc::Core::NotificationCenter.post(:filtering_ended, @item_rep._unwrap, filter_name)

  # Append filtered data to buffer
  buffer = eval('_erbout', block.binding)
  buffer << filtered_data
end