Class: ActionView::Template::Handlers::ERB

Inherits:
ActionView::Template::Handler show all
Includes:
Compilable
Defined in:
lib/action_view/template/handlers/erb.rb

Constant Summary collapse

ENCODING_TAG = 
Regexp.new("\\A(<%#{ENCODING_FLAG}-?%>)[ \\t]*")

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Compilable

included

Methods inherited from ActionView::Template::Handler

call, #render

Class Method Details

.handles_encoding? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/template/handlers/erb.rb', line 87

def self.handles_encoding?
  true
end

Instance Method Details

#compile(template) ⇒ Object 



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# File 'lib/action_view/template/handlers/erb.rb', line 91

def compile(template)
  if template.source.encoding_aware?
    # First, convert to BINARY, so in case the encoding is
    # wrong, we can still find an encoding tag
    # (<%# encoding %>) inside the String using a regular
    # expression
    template_source = template.source.dup.force_encoding("BINARY")

    erb = template_source.gsub(ENCODING_TAG, '')
    encoding = $2

    erb.force_encoding valid_encoding(template.source.dup, encoding)

    # Always make sure we return a String in the default_internal
    erb.encode!
  else
    erb = template.source.dup
  end

  self.class.erb_implementation.new(
    erb,
    :trim => (self.class.erb_trim_mode == "-")
  ).src
end

#erb_trim_mode ⇒ Object

:singleton-method: Specify trim mode for the ERB compiler. Defaults to ‘-’. See ERb documentation for suitable values.



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# File 'lib/action_view/template/handlers/erb.rb', line 77

cattr_accessor :erb_trim_mode