Class: Stencil::Wrap

Inherits:
Block show all
Defined in:
lib/stencil/directives/text.rb

Instance Method Summary collapse

Methods inherited from Block

#add, #ended, #initialize, #inspect, #parsed

Methods inherited from Directive

#checked_render, create, #initialize, #inspect, #inspect_args, #interpret, #parsed, #postrender, #pre_end, #prerender, register, #render_end

Constructor Details

This class inherits a constructor from Stencil::Block

Instance Method Details

#render(state) ⇒ Object 



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# File 'lib/stencil/directives/text.rb', line 16

def render(state)
  env = EvaluationHost.new(state.data)
  width = env.run(@width_text)
  res = super.compact.join("")
  scanner = StringScanner.new(res)
  scanner.skip(/\s*/m)

  result = []
  line = scanner.scan(/\S+/m) || ""

  until scanner.eos? 
    white = scanner.scan(/\s*/m)
    white.gsub(/\n/) do |nl|
      result << line + "\n"
      line = ""
    end
    word = scanner.scan(/\S+/m)
    next if word.nil?
    if word.length > (width - line.length)
      result << line + "\n"
      line = word
    else
      line << (" " + word)
    end
  end

  result << line

  return result
end

#setup_parameters(width) ⇒ Object 



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# File 'lib/stencil/directives/text.rb', line 12

def setup_parameters(width)
  @width_text = width
end