Class: ActionView::Template

Inherits:

Object

• Object
• ActionView::Template

show all

Extended by:

Handlers, ActiveSupport::Autoload

Defined in:

actionpack/lib/action_view/template.rb,
actionpack/lib/action_view/template/text.rb,
actionpack/lib/action_view/template/error.rb,
actionpack/lib/action_view/template/handler.rb,
actionpack/lib/action_view/template/handlers.rb,
actionpack/lib/action_view/template/handlers/erb.rb

Overview

Defined Under Namespace

Modules: Handlers Classes: Error, Handler, Text

Constant Summary

Finalizer =

proc do |method_name, mod|
  proc do
    mod.module_eval do
      remove_possible_method method_name
    end
  end
end

Instance Attribute Summary (collapse)

• - (Object) formats readonly

  Returns the value of attribute formats.

• - (Object) handler readonly

  Returns the value of attribute handler.

• - (Object) identifier readonly

  Returns the value of attribute identifier.

• - (Object) original_encoding readonly

  Returns the value of attribute original_encoding.

• - (Object) source readonly

  Returns the value of attribute source.

• - (Object) virtual_path readonly

  Returns the value of attribute virtual_path.

Instance Method Summary (collapse)

• - (Object) counter_name
• - (Template) initialize(source, identifier, handler, details) constructor

  A new instance of Template.

• - (Object) inspect
• - (Object) mime_type
• - (Object) render(view, locals, &block)
• - (Object) variable_name

Methods included from Handlers

extended, extensions, handler_class_for_extension, register_default_template_handler, register_template_handler, registered_template_handler, template_handler_extensions

Methods included from ActiveSupport::Autoload

autoload, autoload_at, autoload_under, autoloads, eager_autoload, eager_autoload!

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# File 'actionpack/lib/action_view/template.rb', line 112

def initialize(source, identifier, handler, details)
  @source             = source
  @identifier         = identifier
  @handler            = handler
  @original_encoding  = nil
  @method_names       = {}

  format   = details[:format] || :html
  @formats = Array.wrap(format).map(&:to_sym)
  @virtual_path = details[:virtual_path].try(:sub, ".#{format}", "")
end

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# File 'actionpack/lib/action_view/template.rb', line 101

def formats
  @formats
end

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# File 'actionpack/lib/action_view/template.rb', line 101

def handler
  @handler
end

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# File 'actionpack/lib/action_view/template.rb', line 101

def identifier
  @identifier
end

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# File 'actionpack/lib/action_view/template.rb', line 101

def original_encoding
  @original_encoding
end

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# File 'actionpack/lib/action_view/template.rb', line 101

def source
  @source
end

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# File 'actionpack/lib/action_view/template.rb', line 101

def virtual_path
  @virtual_path
end

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# File 'actionpack/lib/action_view/template.rb', line 154

def counter_name
  @counter_name ||= "#{variable_name}_counter".to_sym
end

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# File 'actionpack/lib/action_view/template.rb', line 158

def inspect
  @inspect ||=
    if defined?(Rails.root)
      identifier.sub("#{Rails.root}/", '')
    else
      identifier
    end
end

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# File 'actionpack/lib/action_view/template.rb', line 146

def mime_type
  @mime_type ||= Mime::Type.lookup_by_extension(@formats.first.to_s) if @formats.first
end

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# File 'actionpack/lib/action_view/template.rb', line 124

def render(view, locals, &block)
  # Notice that we use a bang in this instrumentation because you don't want to
  # consume this in production. This is only slow if it's being listened to.
  ActiveSupport::Notifications.instrument("!render_template.action_view", :virtual_path => @virtual_path) do
    if view.is_a?(ActionView::CompiledTemplates)
      mod = ActionView::CompiledTemplates
    else
      mod = view.singleton_class
    end

    method_name = compile(locals, view, mod)
    view.send(method_name, locals, &block)
  end
rescue Exception => e
  if e.is_a?(Template::Error)
    e.sub_template_of(self)
    raise e
  else
    raise Template::Error.new(self, view.respond_to?(:assigns) ? view.assigns : {}, e)
  end
end

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# File 'actionpack/lib/action_view/template.rb', line 150

def variable_name
  @variable_name ||= @virtual_path[%r'_?(\w+)(\.\w+)*$', 1].to_sym
end