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

Inherits:
Object
  • Object
show all
Defined in:
lib/action_view/template/handlers/erb.rb,
lib/action_view/template/handlers/erb/erubi.rb

Defined Under Namespace

Classes: Erubi

Constant Summary collapse

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.call(template) ⇒ Object 



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# File 'lib/action_view/template/handlers/erb.rb', line 21

def self.call(template)
  new.call(template)
end

Instance Method Details

#call(template) ⇒ Object 



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# File 'lib/action_view/template/handlers/erb.rb', line 33

def call(template)
  # 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(Encoding::ASCII_8BIT)

  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!

  self.class.erb_implementation.new(
    erb,
    escape: (self.class.escape_whitelist.include? template.type),
    trim: (self.class.erb_trim_mode == "-")
  ).src
end

#handles_encoding? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/template/handlers/erb.rb', line 29

def handles_encoding?
  true
end

#supports_streaming? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_view/template/handlers/erb.rb', line 25

def supports_streaming?
  true
end