Class: CompositeProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/notroff/composite_processor.rb

Direct Known Subclasses

Formatter

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ CompositeProcessor

Returns a new instance of CompositeProcessor.



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# File 'lib/notroff/composite_processor.rb', line 2

def initialize(*args)
  @processors = args
end

Instance Method Details

#add_processor(p) ⇒ Object 



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# File 'lib/notroff/composite_processor.rb', line 6

def add_processor(p)
  @processors << p
end

#dump(data) ⇒ Object 



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# File 'lib/notroff/composite_processor.rb', line 27

def dump(data)
  Logger.log "======="
  if data.nil?
    Logger.log "data: nil"
  elsif data.kind_of?(Array)
    Logger.log "data with #{data.size} items:"
    data.each_with_index {|item, i| Logger.log "[#{i}] - #{item.inspect}" }
  else
    Logger.log data
  end
  Logger.log "======="
end

#prepend_processor(p) ⇒ Object 



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# File 'lib/notroff/composite_processor.rb', line 10

def prepend_processor(p)
  @processors = [p] + @processors
end

#process(paras = []) ⇒ Object 



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# File 'lib/notroff/composite_processor.rb', line 14

def process(paras=[])
  @processors.each do |processor|
    Logger.log "Applying processor #{processor.class} to #{paras.size} paragraphs"
    dump(paras)
    Logger.log
    paras = processor.process( paras )
    Logger.log "After processor #{processor.class}"
    dump(paras)
    Logger.log
  end
  paras
end