diff options
Diffstat (limited to 'actionview/lib/action_view/digestor.rb')
| -rw-r--r-- | actionview/lib/action_view/digestor.rb | 64 |
1 files changed, 51 insertions, 13 deletions
diff --git a/actionview/lib/action_view/digestor.rb b/actionview/lib/action_view/digestor.rb index 5570e2a8dc..da43fef2e3 100644 --- a/actionview/lib/action_view/digestor.rb +++ b/actionview/lib/action_view/digestor.rb @@ -9,23 +9,56 @@ module ActionView @@digest_monitor = Monitor.new class << self - def digest(name, format, finder, options = {}) + # Supported options: + # + # * <tt>name</tt> - Template name + # * <tt>format</tt> - Template format + # * <tt>variant</tt> - Variant of +format+ (optional) + # * <tt>finder</tt> - An instance of ActionView::LookupContext + # * <tt>dependencies</tt> - An array of dependent views + # * <tt>partial</tt> - Specifies whether the template is a partial + def digest(*args) + options = _setup_options(*args) + + name = options[:name] + format = options[:format] + variant = options[:variant] + finder = options[:finder] + details_key = finder.details_key.hash dependencies = Array.wrap(options[:dependencies]) - cache_key = ([name, details_key, format] + dependencies).join('.') + cache_key = ([name, details_key, format, variant].compact + dependencies).join('.') # this is a correctly done double-checked locking idiom # (ThreadSafe::Cache's lookups have volatile semantics) @@cache[cache_key] || @@digest_monitor.synchronize do @@cache.fetch(cache_key) do # re-check under lock - compute_and_store_digest(cache_key, name, format, finder, options) + compute_and_store_digest(cache_key, options) end end end + def _setup_options(*args) + unless args.first.is_a?(Hash) + ActiveSupport::Deprecation.warn("Arguments to ActionView::Digestor should be provided as a hash. The support for regular arguments will be removed in Rails 5.0 or later") + + { + name: args.first, + format: args.second, + finder: args.third, + }.merge(args.fourth || {}) + else + options = args.first + options.assert_valid_keys(:name, :format, :variant, :finder, :dependencies, :partial) + + options + end + end + private - def compute_and_store_digest(cache_key, name, format, finder, options) # called under @@digest_monitor lock - klass = if options[:partial] || name.include?("/_") + + def compute_and_store_digest(cache_key, options) # called under @@digest_monitor lock + klass = if options[:partial] || options[:name].include?("/_") # Prevent re-entry or else recursive templates will blow the stack. # There is no need to worry about other threads seeing the +false+ value, # as they will then have to wait for this thread to let go of the @@digest_monitor lock. @@ -35,20 +68,25 @@ module ActionView Digestor end - digest = klass.new(name, format, finder, options).digest + digest = klass.new(options).digest # Store the actual digest if config.cache_template_loading is true @@cache[cache_key] = stored_digest = digest if ActionView::Resolver.caching? digest ensure # something went wrong or ActionView::Resolver.caching? is false, make sure not to corrupt the @@cache - @@cache.delete_pair(cache_key, false) if pre_stored && !stored_digest + @@cache.delete_pair(cache_key, false) if pre_stored && !stored_digest end end - attr_reader :name, :format, :finder, :options + attr_reader :name, :format, :variant, :finder, :options + + def initialize(*args) + @options = self.class._setup_options(*args) - def initialize(name, format, finder, options={}) - @name, @format, @finder, @options = name, format, finder, options + @name = @options.delete(:name) + @format = @options.delete(:format) + @variant = @options.delete(:variant) + @finder = @options.delete(:finder) end def digest @@ -68,7 +106,7 @@ module ActionView def nested_dependencies dependencies.collect do |dependency| - dependencies = PartialDigestor.new(dependency, format, finder).nested_dependencies + dependencies = PartialDigestor.new(name: dependency, format: format, finder: finder).nested_dependencies dependencies.any? ? { dependency => dependencies } : dependency end end @@ -88,7 +126,7 @@ module ActionView end def template - @template ||= finder.find(logical_name, [], partial?, formats: [ format ]) + @template ||= finder.find(logical_name, [], partial?, formats: [ format ], variants: [ variant ]) end def source @@ -97,7 +135,7 @@ module ActionView def dependency_digest template_digests = dependencies.collect do |template_name| - Digestor.digest(template_name, format, finder, partial: true) + Digestor.digest(name: template_name, format: format, finder: finder, partial: true) end (template_digests + injected_dependencies).join("-") |