class ActionView::Digestor

Attributes

finder[R]
format[R]
name[R]
options[R]

Public Class Methods

digest(name, format, finder, options = {}) click to toggle source
# File lib/action_view/digestor.rb, line 9
def self.digest(name, format, finder, options = {})
  cache_key = [name, format] + Array.wrap(options[:dependencies])
  @@cache[cache_key.join('.')] ||= begin
    klass = options[:partial] || name.include?("/_") ? PartialDigestor : Digestor
    klass.new(name, format, finder, options).digest
  end
end
new(name, format, finder, options={}) click to toggle source
# File lib/action_view/digestor.rb, line 19
def initialize(name, format, finder, options={})
  @name, @format, @finder, @options = name, format, finder, options
end

Public Instance Methods

dependencies() click to toggle source
# File lib/action_view/digestor.rb, line 32
def dependencies
  DependencyTracker.find_dependencies(name, template)
rescue ActionView::MissingTemplate
  [] # File doesn't exist, so no dependencies
end
digest() click to toggle source
# File lib/action_view/digestor.rb, line 23
def digest
  Digest::MD5.hexdigest("#{source}-#{dependency_digest}").tap do |digest|
    logger.try :info, "Cache digest for #{name}.#{format}: #{digest}"
  end
rescue ActionView::MissingTemplate
  logger.try :error, "Couldn't find template for digesting: #{name}.#{format}"
  ''
end
nested_dependencies() click to toggle source
# File lib/action_view/digestor.rb, line 38
def nested_dependencies
  dependencies.collect do |dependency|
    dependencies = PartialDigestor.new(dependency, format, finder).nested_dependencies
    dependencies.any? ? { dependency => dependencies } : dependency
  end
end

Private Instance Methods

dependency_digest() click to toggle source
# File lib/action_view/digestor.rb, line 67
def dependency_digest
  template_digests = dependencies.collect do |template_name|
    Digestor.digest(template_name, format, finder, partial: true)
  end

  (template_digests + injected_dependencies).join("-")
end
injected_dependencies() click to toggle source
# File lib/action_view/digestor.rb, line 75
def injected_dependencies
  Array.wrap(options[:dependencies])
end
logger() click to toggle source
# File lib/action_view/digestor.rb, line 47
def logger
  ActionView::Base.logger
end
logical_name() click to toggle source
# File lib/action_view/digestor.rb, line 51
def logical_name
  name.gsub(%r/_|, "/")
end
partial?() click to toggle source
# File lib/action_view/digestor.rb, line 55
def partial?
  false
end
source() click to toggle source
# File lib/action_view/digestor.rb, line 63
def source
  template.source
end
template() click to toggle source
# File lib/action_view/digestor.rb, line 59
def template
  @template ||= finder.find(logical_name, [], partial?, formats: [ format ])
end