Class: Tilt::ErubiTemplate

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

Overview

Erubi (a simplified version of Erubis) template implementation. See github.com/jeremyevans/erubi

ErubiTemplate supports the following additional options, in addition to the options supported by the Erubi engine:

:engine_class

allows you to specify a custom engine class to use instead of the default (which is ::Erubi::Engine).

Instance Attribute Summary

Attributes inherited from Template

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

Instance Method Summary collapse

Methods inherited from Template

#basename, default_mime_type, default_mime_type=, #eval_file, #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/erubi.rb', line 50

def freeze_string_literals?
  @freeze_string_literals
end

#precompiled_template(locals) ⇒ Object 



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# File 'lib/tilt/erubi.rb', line 46

def precompiled_template(locals)
  @src
end

#prepare ⇒ Object 



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# File 'lib/tilt/erubi.rb', line 14

def prepare
  @options.merge!(:preamble => false, :postamble => false, :ensure=>true)

  engine_class = @options[:engine_class] || Erubi::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 Erubi 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 Erubi.
    @options.delete(:freeze)

    # Erubi by default appends .freeze to template literals on Ruby 2.1+,
    # 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

  # Remove dup after tilt supports frozen source.
  @src = @engine.src.dup

  @engine
end