Class: Tilt::HerbTemplate

Inherits:
Template show all
Defined in:
lib/tilt/herb.rb

Instance Attribute Summary

Attributes inherited from Template

#compiled_path, #data, #file, #line, #options

Instance Method Summary collapse

Methods inherited from Template

#basename, #compiled_method, default_mime_type, default_mime_type=, #eval_file, #fixed_locals?, #initialize, metadata, #metadata, #name, #render

Constructor Details

This class inherits a constructor from Tilt::Template

Instance Method Details

#freeze_string_literals? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tilt/herb.rb', line 106

def freeze_string_literals?
  @freeze_string_literals
end

#precompiled_template(locals) ⇒ Object 



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# File 'lib/tilt/herb.rb', line 102

def precompiled_template(locals)
  @src
end

#prepare ⇒ Object 



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# File 'lib/tilt/herb.rb', line 66

def prepare
  @options[:preamble] = false
  @options[:postamble] = false
  @options[:ensure] = true

  # Unlike Erubi, Herb uses the filename when reporting errors, so pass
  # the file Tilt loaded the template from if the caller did not set one.
  @options[:filename] ||= file

  engine_class = @options[:engine_class] || Herb::Engine

  # If :freeze option is given, the intent is to setup frozen string
  # literals in the template.  So enable frozen string literals in the
  # code Tilt generates if the :freeze option is given.
  if @freeze_string_literals = !!@options[:freeze]
    # Passing the :freeze option to Herb sets the
    # frozen-string-literal magic comment, which doesn't have an effect
    # with Tilt as Tilt wraps the resulting code.  Worse, the magic
    # comment appearing not at the top of the file can cause a warning.
    # So remove the :freeze option before passing to Herb.
    @options.delete(:freeze)

    # Herb by default appends .freeze to template literals, but that is
    # not necessary and slows down code when Tilt is using frozen string
    # literals, so pass the :freeze_template_literals option to not
    # append .freeze.
    @options[:freeze_template_literals] = false
  end

  @engine = engine_class.new(@data, @options)
  @outvar = @engine.bufvar
  @src = @engine.src

  @engine
end