Class: Hamloft::Engine

Inherits:
Haml::Engine
  • Object
show all
Defined in:
lib/hamloft/engine.rb

Instance Method Summary collapse

Instance Method Details

#render(scope = Object.new, locals = {}, &block) ⇒ Object 



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# File 'lib/hamloft/engine.rb', line 4

def render(scope = Object.new, locals = {}, &block)
  parent = scope.instance_variable_defined?('@haml_buffer') ? scope.instance_variable_get('@haml_buffer') : nil
  buffer = Haml::Buffer.new(parent, @options.for_buffer)

  if scope.is_a?(Binding) || scope.is_a?(Proc)
    scope_object = eval("self", scope)
    scope = scope_object.instance_eval{binding} if block_given?
  else
    scope_object = scope
    scope = scope_object.instance_eval{binding}
  end

  set_locals(locals.merge(:_hamlout => buffer, :_erbout => buffer.buffer), scope, scope_object)

  scope_object.instance_eval do
    extend Haml::Helpers
    extend Hamloft::Helpers
    
    # Inject widget helpers
    Hamloft.widgets.each do |widget|
      if defined?(widget::Helpers)
        extend widget::Helpers
      end
    end
    
    @haml_buffer = buffer
  end
  begin
    eval(@compiler.precompiled_with_return_value, scope, @options[:filename], @options[:line])
  rescue ::SyntaxError => e
    raise SyntaxError, e.message
  end
ensure
  # Get rid of the current buffer
  scope_object.instance_eval do
    @haml_buffer = buffer.upper if buffer
  end
end