# File actionview/lib/action_view/template.rb, line 120
def initialize(source, identifier, handler, locals:, format: nil, variant: nil, virtual_path: nil)
  @source            = source
  @identifier        = identifier
  @handler           = handler
  @compiled          = false
  @locals            = locals
  @virtual_path      = virtual_path

  @variable = if @virtual_path
    base = @virtual_path.end_with?("/") ? "" : ::File.basename(@virtual_path)
    base =~ /\A_?(.*?)(?:\.\w+)*\z/
    $1.to_sym
  end

  @format            = format
  @variant           = variant
  @compile_mutex     = Mutex.new
end

# File actionview/lib/action_view/template.rb, line 186
def encode!
  source = self.source

  return source unless source.encoding == Encoding::BINARY

  # Look for # encoding: *. If we find one, we'll encode the
  # String in that encoding, otherwise, we'll use the
  # default external encoding.
  if source.sub!(/\A#{ENCODING_FLAG}/, "")
    encoding = magic_encoding = $1
  else
    encoding = Encoding.default_external
  end

  # Tag the source with the default external encoding
  # or the encoding specified in the file
  source.force_encoding(encoding)

  # If the user didn't specify an encoding, and the handler
  # handles encodings, we simply pass the String as is to
  # the handler (with the default_external tag)
  if !magic_encoding && @handler.respond_to?(:handles_encoding?) && @handler.handles_encoding?
    source
  # Otherwise, if the String is valid in the encoding,
  # encode immediately to default_internal. This means
  # that if a handler doesn't handle encodings, it will
  # always get Strings in the default_internal
  elsif source.valid_encoding?
    source.encode!
  # Otherwise, since the String is invalid in the encoding
  # specified, raise an exception
  else
    raise WrongEncodingError.new(source, encoding)
  end
end

# File actionview/lib/action_view/template.rb, line 168
def inspect
  "#<#{self.class.name} #{short_identifier} locals=#{@locals.inspect}>"
end

# File actionview/lib/action_view/template.rb, line 103
eager_autoload do
  autoload :Error
  autoload :RawFile
  autoload :Renderable
  autoload :Handlers
  autoload :HTML
  autoload :Inline
  autoload :Sources
  autoload :Text
  autoload :Types
end

# File actionview/lib/action_view/template.rb, line 151
def render(view, locals, buffer = ActionView::OutputBuffer.new, add_to_stack: true, &block)
  instrument_render_template do
    compile!(view)
    view._run(method_name, self, locals, buffer, add_to_stack: add_to_stack, &block)
  end
rescue => e
  handle_render_error(view, e)
end

# File actionview/lib/action_view/template.rb, line 164
def short_identifier
  @short_identifier ||= defined?(Rails.root) ? identifier.delete_prefix("#{Rails.root}/") : identifier
end

# File actionview/lib/action_view/template.rb, line 172
def source
  @source.to_s
end

# File actionview/lib/action_view/template.rb, line 141
def supports_streaming?
  handler.respond_to?(:supports_streaming?) && handler.supports_streaming?
end

# File actionview/lib/action_view/template.rb, line 160
def type
  @type ||= Types[format]
end

# File actionview/lib/action_view/template.rb, line 340
def instrument(action, &block) # :doc:
  ActiveSupport::Notifications.instrument("#{action}.action_view", instrument_payload, &block)
end