diff options
Diffstat (limited to 'activesupport/lib/active_support')
17 files changed, 315 insertions, 192 deletions
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb index 6bfac15289..6c220ae625 100644 --- a/activesupport/lib/active_support/cache.rb +++ b/activesupport/lib/active_support/cache.rb @@ -56,16 +56,7 @@ module ActiveSupport case store when Symbol - store_class_name = store.to_s.camelize - store_class = - begin - require "active_support/cache/#{store}" - rescue LoadError => e - raise "Could not find cache store adapter for #{store} (#{e})" - else - ActiveSupport::Cache.const_get(store_class_name) - end - store_class.new(*parameters) + retrieve_store_class(store).new(*parameters) when nil ActiveSupport::Cache::MemoryStore.new else @@ -73,6 +64,18 @@ module ActiveSupport end end + # Expands out the +key+ argument into a key that can be used for the + # cache store. Optionally accepts a namespace, and all keys will be + # scoped within that namespace. + # + # If the +key+ argument provided is an array, or responds to +to_a+, then + # each of elements in the array will be turned into parameters/keys and + # concatenated into a single key. For example: + # + # expand_cache_key([:foo, :bar]) # => "foo/bar" + # expand_cache_key([:foo, :bar], "namespace") # => "namespace/foo/bar" + # + # The +key+ argument can also respond to +cache_key+ or +to_param+. def expand_cache_key(key, namespace = nil) expanded_cache_key = namespace ? "#{namespace}/" : "" @@ -94,6 +97,16 @@ module ActiveSupport else key.to_param end.to_s end + + # Obtains the specified cache store class, given the name of the +store+. + # Raises an error when the store class cannot be found. + def retrieve_store_class(store) + require "active_support/cache/#{store}" + rescue LoadError => e + raise "Could not find cache store adapter for #{store} (#{e})" + else + ActiveSupport::Cache.const_get(store.to_s.camelize) + end end # An abstract cache store class. There are multiple cache store @@ -522,7 +535,7 @@ module ActiveSupport def handle_expired_entry(entry, key, options) if entry && entry.expired? race_ttl = options[:race_condition_ttl].to_i - if race_ttl && (Time.now - entry.expires_at <= race_ttl) + if race_ttl && (Time.now.to_f - entry.expires_at <= race_ttl) # When an entry has :race_condition_ttl defined, put the stale entry back into the cache # for a brief period while the entry is begin recalculated. entry.expires_at = Time.now + race_ttl @@ -562,38 +575,38 @@ module ActiveSupport # +:compress+, +:compress_threshold+, and +:expires_in+. def initialize(value, options = {}) if should_compress?(value, options) - @v = compress(value) - @c = true + @value = compress(value) + @compressed = true else - @v = value - end - if expires_in = options[:expires_in] - @x = (Time.now + expires_in).to_i + @value = value end + @created_at = Time.now.to_f + @expires_in = options[:expires_in] + @expires_in = @expires_in.to_f if @expires_in end def value - convert_version_3_entry! if defined?(@value) - compressed? ? uncompress(@v) : @v + convert_version_4beta1_entry! if defined?(@v) + compressed? ? uncompress(@value) : @value end # Check if the entry is expired. The +expires_in+ parameter can override # the value set when the entry was created. def expired? - convert_version_3_entry! if defined?(@value) - if defined?(@x) - @x && @x < Time.now.to_i - else - false - end + convert_version_4beta1_entry! if defined?(@value) + @expires_in && @created_at + @expires_in <= Time.now.to_f end def expires_at - Time.at(@x) if defined?(@x) + @expires_in ? @created_at + @expires_in : nil end def expires_at=(value) - @x = value.to_i + if value + @expires_in = value.to_f - @created_at + else + @expires_in = nil + end end # Returns the size of the cached value. This could be less than @@ -606,9 +619,9 @@ module ActiveSupport when NilClass 0 when String - @v.bytesize + @value.bytesize else - @s = Marshal.dump(@v).bytesize + @s = Marshal.dump(@value).bytesize end end end @@ -616,12 +629,12 @@ module ActiveSupport # Duplicate the value in a class. This is used by cache implementations that don't natively # serialize entries to protect against accidental cache modifications. def dup_value! - convert_version_3_entry! if defined?(@value) - if @v && !compressed? && !(@v.is_a?(Numeric) || @v == true || @v == false) - if @v.is_a?(String) - @v = @v.dup + convert_version_4beta1_entry! if defined?(@v) + if @value && !compressed? && !(@value.is_a?(Numeric) || @value == true || @value == false) + if @value.is_a?(String) + @value = @value.dup else - @v = Marshal.load(Marshal.dump(@v)) + @value = Marshal.load(Marshal.dump(@value)) end end end @@ -637,7 +650,7 @@ module ActiveSupport end def compressed? - defined?(@c) ? @c : false + defined?(@compressed) ? @compressed : false end def compress(value) @@ -650,19 +663,19 @@ module ActiveSupport # The internals of this method changed between Rails 3.x and 4.0. This method provides the glue # to ensure that cache entries created under the old version still work with the new class definition. - def convert_version_3_entry! - if defined?(@value) - @v = @value - remove_instance_variable(:@value) + def convert_version_4beta1_entry! + if defined?(@v) + @value = @v + remove_instance_variable(:@v) end - if defined?(@compressed) - @c = @compressed - remove_instance_variable(:@compressed) + if defined?(@c) + @compressed = @c + remove_instance_variable(:@c) end - if defined?(@expires_in) && defined?(@created_at) && @expires_in && @created_at - @x = (@created_at + @expires_in).to_i - remove_instance_variable(:@created_at) - remove_instance_variable(:@expires_in) + if defined?(@x) && @x + @created_at ||= Time.now.to_f + @expires_in = @x - @created_at + remove_instance_variable(:@x) end end end diff --git a/activesupport/lib/active_support/cache/strategy/local_cache.rb b/activesupport/lib/active_support/cache/strategy/local_cache.rb index db5f228a70..fb42c4a41e 100644 --- a/activesupport/lib/active_support/cache/strategy/local_cache.rb +++ b/activesupport/lib/active_support/cache/strategy/local_cache.rb @@ -8,6 +8,23 @@ module ActiveSupport # duration of a block. Repeated calls to the cache for the same key will hit the # in-memory cache for faster access. module LocalCache + # Class for storing and registering the local caches. + class LocalCacheRegistry # :nodoc: + extend ActiveSupport::PerThreadRegistry + + def initialize + @registry = {} + end + + def cache_for(local_cache_key) + @registry[local_cache_key] + end + + def set_cache_for(local_cache_key, value) + @registry[local_cache_key] = value + end + end + # Simple memory backed cache. This cache is not thread safe and is intended only # for serving as a temporary memory cache for a single thread. class LocalStore < Store @@ -41,24 +58,18 @@ module ActiveSupport # Use a local cache for the duration of block. def with_local_cache - save_val = Thread.current[thread_local_key] - begin - Thread.current[thread_local_key] = LocalStore.new - yield - ensure - Thread.current[thread_local_key] = save_val - end + use_temporary_local_cache(LocalStore.new) { yield } end #-- # This class wraps up local storage for middlewares. Only the middleware method should # construct them. class Middleware # :nodoc: - attr_reader :name, :thread_local_key + attr_reader :name, :local_cache_key - def initialize(name, thread_local_key) + def initialize(name, local_cache_key) @name = name - @thread_local_key = thread_local_key + @local_cache_key = local_cache_key @app = nil end @@ -68,10 +79,10 @@ module ActiveSupport end def call(env) - Thread.current[thread_local_key] = LocalStore.new + LocalCacheRegistry.set_cache_for(local_cache_key, LocalStore.new) @app.call(env) ensure - Thread.current[thread_local_key] = nil + LocalCacheRegistry.set_cache_for(local_cache_key, nil) end end @@ -80,7 +91,7 @@ module ActiveSupport def middleware @middleware ||= Middleware.new( "ActiveSupport::Cache::Strategy::LocalCache", - thread_local_key) + local_cache_key) end def clear(options = nil) # :nodoc: @@ -95,29 +106,13 @@ module ActiveSupport def increment(name, amount = 1, options = nil) # :nodoc: value = bypass_local_cache{super} - if local_cache - local_cache.mute do - if value - local_cache.write(name, value, options) - else - local_cache.delete(name, options) - end - end - end + increment_or_decrement(value, name, amount, options) value end def decrement(name, amount = 1, options = nil) # :nodoc: value = bypass_local_cache{super} - if local_cache - local_cache.mute do - if value - local_cache.write(name, value, options) - else - local_cache.delete(name, options) - end - end - end + increment_or_decrement(value, name, amount, options) value end @@ -146,21 +141,37 @@ module ActiveSupport end private - def thread_local_key - @thread_local_key ||= "#{self.class.name.underscore}_local_cache_#{object_id}".gsub(/[\/-]/, '_').to_sym + def increment_or_decrement(value, name, amount, options) + if local_cache + local_cache.mute do + if value + local_cache.write(name, value, options) + else + local_cache.delete(name, options) + end + end + end + end + + def local_cache_key + @local_cache_key ||= "#{self.class.name.underscore}_local_cache_#{object_id}".gsub(/[\/-]/, '_').to_sym end def local_cache - Thread.current[thread_local_key] + LocalCacheRegistry.cache_for(local_cache_key) end def bypass_local_cache - save_cache = Thread.current[thread_local_key] + use_temporary_local_cache(nil) { yield } + end + + def use_temporary_local_cache(temporary_cache) + save_cache = LocalCacheRegistry.cache_for(local_cache_key) begin - Thread.current[thread_local_key] = nil + LocalCacheRegistry.set_cache_for(local_cache_key, temporary_cache) yield ensure - Thread.current[thread_local_key] = save_cache + LocalCacheRegistry.set_cache_for(local_cache_key, save_cache) end end end diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb index 6c0cae71ed..893c2500d7 100644 --- a/activesupport/lib/active_support/callbacks.rb +++ b/activesupport/lib/active_support/callbacks.rb @@ -61,6 +61,8 @@ module ActiveSupport extend ActiveSupport::DescendantsTracker end + CALLBACK_FILTER_TYPES = [:before, :after, :around] + # Runs the callbacks for the given event. # # Calls the before and around callbacks in the order they were set, yields @@ -131,7 +133,13 @@ module ActiveSupport end def matches?(_kind, _filter) - @kind == _kind && @filter == _filter + if @_is_object_filter + _filter_matches = @filter.to_s.start_with?(_method_name_for_object_filter(_kind, _filter, false)) + else + _filter_matches = (@filter == _filter) + end + + @kind == _kind && _filter_matches end def duplicates?(other) @@ -234,6 +242,16 @@ module ActiveSupport @compiled_options = conditions.flatten.join(" && ") end + def _method_name_for_object_filter(kind, filter, append_next_id = true) + class_name = filter.kind_of?(Class) ? filter.to_s : filter.class.to_s + class_name.gsub!(/<|>|#/, '') + class_name.gsub!(/\/|:/, "_") + + method_name = "_callback_#{kind}_#{class_name}" + method_name << "_#{next_id}" if append_next_id + method_name + end + # Filters support: # # Arrays:: Used in conditions. This is used to specify @@ -255,6 +273,8 @@ module ActiveSupport # a method is created that calls the before_foo method # on the object. def _compile_filter(filter) + @_is_object_filter = false + case filter when Array filter.map {|f| _compile_filter(f)} @@ -269,7 +289,8 @@ module ActiveSupport method_name << (filter.arity == 1 ? "(self)" : " self, Proc.new ") else - method_name = "_callback_#{@kind}_#{next_id}" + method_name = _method_name_for_object_filter(kind, filter) + @_is_object_filter = true @klass.send(:define_method, "#{method_name}_object") { filter } _normalize_legacy_filter(kind, filter) @@ -319,10 +340,7 @@ module ActiveSupport end def compile - method = [] - method << "value = nil" - method << "halted = false" - + method = ["value = nil", "halted = false"] callbacks = "value = !halted && (!block_given? || yield)" reverse_each do |callback| callbacks = callback.apply(callbacks) @@ -396,7 +414,7 @@ module ActiveSupport # This is used internally to append, prepend and skip callbacks to the # CallbackChain. def __update_callbacks(name, filters = [], block = nil) #:nodoc: - type = [:before, :after, :around].include?(filters.first) ? filters.shift : :before + type = CALLBACK_FILTER_TYPES.include?(filters.first) ? filters.shift : :before options = filters.last.is_a?(Hash) ? filters.pop : {} filters.unshift(block) if block diff --git a/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb b/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb index fa1dbfdf06..34859617c9 100644 --- a/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb +++ b/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb @@ -32,7 +32,7 @@ class Class def cattr_reader(*syms) options = syms.extract_options! syms.each do |sym| - raise NameError.new('invalid attribute name') unless sym =~ /^[_A-Za-z]\w*$/ + raise NameError.new("invalid class attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/ class_eval(<<-EOS, __FILE__, __LINE__ + 1) unless defined? @@#{sym} @@#{sym} = nil @@ -93,7 +93,7 @@ class Class def cattr_writer(*syms) options = syms.extract_options! syms.each do |sym| - raise NameError.new('invalid attribute name') unless sym =~ /^[_A-Za-z]\w*$/ + raise NameError.new("invalid class attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/ class_eval(<<-EOS, __FILE__, __LINE__ + 1) unless defined? @@#{sym} @@#{sym} = nil diff --git a/activesupport/lib/active_support/core_ext/date/conversions.rb b/activesupport/lib/active_support/core_ext/date/conversions.rb index cdf606f28c..0637fe4929 100644 --- a/activesupport/lib/active_support/core_ext/date/conversions.rb +++ b/activesupport/lib/active_support/core_ext/date/conversions.rb @@ -1,7 +1,6 @@ require 'date' require 'active_support/inflector/methods' require 'active_support/core_ext/date/zones' -require 'active_support/core_ext/module/remove_method' class Date DATE_FORMATS = { diff --git a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb index 5b89ace66b..0d14cba7cc 100644 --- a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb @@ -109,11 +109,11 @@ module DateAndTime alias :at_beginning_of_year :beginning_of_year # Returns a new date/time representing the given day in the next week. - # Week is assumed to start on +start_day+, default is - # +Date.beginning_of_week+ or +config.beginning_of_week+ when set. - # DateTime objects have their time set to 0:00. - def next_week(start_day = Date.beginning_of_week) - first_hour{ weeks_since(1).beginning_of_week.days_since(days_span(start_day)) } + # The +given_day_in_next_week+ defaults to the beginning of the week + # which is determined by +Date.beginning_of_week+ or +config.beginning_of_week+ + # when set. +DateTime+ objects have their time set to 0:00. + def next_week(given_day_in_next_week = Date.beginning_of_week) + first_hour{ weeks_since(1).beginning_of_week.days_since(days_span(given_day_in_next_week)) } end # Short-hand for months_since(1). diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index e608eeaf42..6d42667e97 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -1,8 +1,10 @@ class Module - # Provides a delegate class method to easily expose contained objects' public methods - # as your own. Pass one or more methods (specified as symbols or strings) - # and the name of the target object via the <tt>:to</tt> option (also a symbol - # or string). At least one method and the <tt>:to</tt> option are required. + # Provides a +delegate+ class method to easily expose contained objects' + # public methods as your own. + # + # The macro receives one or more method names (specified as symbols or + # strings) and the name of the target object via the <tt>:to</tt> option + # (also a symbol or string). # # Delegation is particularly useful with Active Record associations: # @@ -89,29 +91,44 @@ class Module # invoice.customer_name # => 'John Doe' # invoice.customer_address # => 'Vimmersvej 13' # - # If the delegate object is +nil+ an exception is raised, and that happens - # no matter whether +nil+ responds to the delegated method. You can get a - # +nil+ instead with the +:allow_nil+ option. + # If the target is +nil+ and does not respond to the delegated method a + # +NoMethodError+ is raised, as with any other value. Sometimes, however, it + # makes sense to be robust to that situation and that is the purpose of the + # <tt>:allow_nil</tt> option: If the target is not +nil+, or it is and + # responds to the method, everything works as usual. But if it is +nil+ and + # does not respond to the delegated method, +nil+ is returned. # - # class Foo - # attr_accessor :bar - # def initialize(bar = nil) - # @bar = bar - # end - # delegate :zoo, to: :bar + # class User < ActiveRecord::Base + # has_one :profile + # delegate :age, to: :profile # end # - # Foo.new.zoo # raises NoMethodError exception (you called nil.zoo) + # User.new.age # raises NoMethodError: undefined method `age' + # + # But if not having a profile yet is fine and should not be an error + # condition: + # + # class User < ActiveRecord::Base + # has_one :profile + # delegate :age, to: :profile, allow_nil: true + # end + # + # User.new.age # nil + # + # Note that if the target is not +nil+ then the call is attempted regardless of the + # <tt>:allow_nil</tt> option, and thus an exception is still raised if said object + # does not respond to the method: # # class Foo - # attr_accessor :bar - # def initialize(bar = nil) + # def initialize(bar) # @bar = bar # end - # delegate :zoo, to: :bar, allow_nil: true + # + # delegate :name, to: :@bar, allow_nil: true # end # - # Foo.new.zoo # returns nil + # Foo.new("Bar").name # raises NoMethodError: undefined method `name' + # def delegate(*methods) options = methods.pop unless options.is_a?(Hash) && to = options[:to] @@ -142,22 +159,31 @@ class Module # methods still accept two arguments. definition = (method =~ /[^\]]=$/) ? 'arg' : '*args, &block' + # The following generated methods call the target exactly once, storing + # the returned value in a dummy variable. + # + # Reason is twofold: On one hand doing less calls is in general better. + # On the other hand it could be that the target has side-effects, + # whereas conceptualy, from the user point of view, the delegator should + # be doing one call. if allow_nil - module_eval(<<-EOS, file, line - 2) + module_eval(<<-EOS, file, line - 3) def #{method_prefix}#{method}(#{definition}) # def customer_name(*args, &block) - if #{to} || #{to}.respond_to?(:#{method}) # if client || client.respond_to?(:name) - #{to}.#{method}(#{definition}) # client.name(*args, &block) + _ = #{to} # _ = client + if !_.nil? || nil.respond_to?(:#{method}) # if !_.nil? || nil.respond_to?(:name) + _.#{method}(#{definition}) # _.name(*args, &block) end # end end # end EOS else exception = %(raise "#{self}##{method_prefix}#{method} delegated to #{to}.#{method}, but #{to} is nil: \#{self.inspect}") - module_eval(<<-EOS, file, line - 1) + module_eval(<<-EOS, file, line - 2) def #{method_prefix}#{method}(#{definition}) # def customer_name(*args, &block) - #{to}.#{method}(#{definition}) # client.name(*args, &block) + _ = #{to} # _ = client + _.#{method}(#{definition}) # _.name(*args, &block) rescue NoMethodError # rescue NoMethodError - if #{to}.nil? # if client.nil? + if _.nil? # if _.nil? #{exception} # # add helpful message to the exception else # else raise # raise diff --git a/activesupport/lib/active_support/core_ext/module/deprecation.rb b/activesupport/lib/active_support/core_ext/module/deprecation.rb index cc45cee5b8..d873de197f 100644 --- a/activesupport/lib/active_support/core_ext/module/deprecation.rb +++ b/activesupport/lib/active_support/core_ext/module/deprecation.rb @@ -14,8 +14,8 @@ class Module # method where you can implement your custom warning behavior. # # class MyLib::Deprecator - # def deprecation_warning(deprecated_method_name, message, caller_backtrace) - # message = "#{method_name} is deprecated and will be removed from MyLibrary | #{message}" + # def deprecation_warning(deprecated_method_name, message, caller_backtrace = nil) + # message = "#{deprecated_method_name} is deprecated and will be removed from MyLibrary | #{message}" # Kernel.warn message # end # end diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb index 428fa1f826..d2a2db32bb 100644 --- a/activesupport/lib/active_support/core_ext/string/conversions.rb +++ b/activesupport/lib/active_support/core_ext/string/conversions.rb @@ -20,19 +20,17 @@ class String return if parts.empty? now = Time.now - offset = parts[:offset] - utc_offset = form == :utc ? 0 : now.utc_offset - adjustment = offset ? offset - utc_offset : 0 - - Time.send( - form, + time = Time.new( parts.fetch(:year, now.year), parts.fetch(:mon, now.month), parts.fetch(:mday, now.day), parts.fetch(:hour, 0), parts.fetch(:min, 0), - parts.fetch(:sec, 0) + parts.fetch(:sec_fraction, 0) - ) - adjustment + parts.fetch(:sec, 0) + parts.fetch(:sec_fraction, 0), + parts.fetch(:offset, form == :utc ? 0 : nil) + ) + + form == :utc ? time.utc : time.getlocal end # Converts a string to a Date value. diff --git a/activesupport/lib/active_support/core_ext/string/filters.rb b/activesupport/lib/active_support/core_ext/string/filters.rb index a1b3f79748..c62bb41416 100644 --- a/activesupport/lib/active_support/core_ext/string/filters.rb +++ b/activesupport/lib/active_support/core_ext/string/filters.rb @@ -50,6 +50,6 @@ class String length_with_room_for_omission end - self[0...stop] + options[:omission] + "#{self[0...stop]}#{options[:omission]}" end end diff --git a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb index 485dc91063..a03a66b96b 100644 --- a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb +++ b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb @@ -25,7 +25,7 @@ module ActiveSupport end end - # This DeprecatedObjectProxy transforms object to depracated object. + # This DeprecatedObjectProxy transforms object to deprecated object. # # @old_object = DeprecatedObjectProxy.new(Object.new, "Don't use this object anymore!") # @old_object = DeprecatedObjectProxy.new(Object.new, "Don't use this object anymore!", deprecator_instance) @@ -52,7 +52,7 @@ module ActiveSupport end # This DeprecatedInstanceVariableProxy transforms instance variable to - # depracated instance variable. + # deprecated instance variable. # # class Example # def initialize(deprecator) @@ -93,7 +93,7 @@ module ActiveSupport end end - # This DeprecatedConstantProxy transforms constant to depracated constant. + # This DeprecatedConstantProxy transforms constant to deprecated constant. # # OLD_CONST = ActiveSupport::Deprecation::DeprecatedConstantProxy.new('OLD_CONST', 'NEW_CONST') # OLD_CONST = ActiveSupport::Deprecation::DeprecatedConstantProxy.new('OLD_CONST', 'NEW_CONST', deprecator_instance) diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb index 837db05dcc..1b20592e4c 100644 --- a/activesupport/lib/active_support/hash_with_indifferent_access.rb +++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb @@ -223,7 +223,7 @@ module ActiveSupport def deep_stringify_keys; dup end undef :symbolize_keys! undef :deep_symbolize_keys! - def symbolize_keys; to_hash.symbolize_keys end + def symbolize_keys; to_hash.symbolize_keys! end def deep_symbolize_keys; to_hash.deep_symbolize_keys end def to_options!; self end diff --git a/activesupport/lib/active_support/log_subscriber.rb b/activesupport/lib/active_support/log_subscriber.rb index c4b64bd1a6..e95dc5a866 100644 --- a/activesupport/lib/active_support/log_subscriber.rb +++ b/activesupport/lib/active_support/log_subscriber.rb @@ -1,5 +1,6 @@ require 'active_support/core_ext/module/attribute_accessors' require 'active_support/core_ext/class/attribute' +require 'active_support/subscriber' module ActiveSupport # ActiveSupport::LogSubscriber is an object set to consume @@ -33,7 +34,7 @@ module ActiveSupport # Log subscriber also has some helpers to deal with logging and automatically # flushes all logs when the request finishes (via action_dispatch.callback # notification) in a Rails environment. - class LogSubscriber + class LogSubscriber < Subscriber # Embed in a String to clear all previous ANSI sequences. CLEAR = "\e[0m" BOLD = "\e[1m" @@ -60,18 +61,8 @@ module ActiveSupport attr_writer :logger - def attach_to(namespace, log_subscriber=new, notifier=ActiveSupport::Notifications) - log_subscribers << log_subscriber - - log_subscriber.public_methods(false).each do |event| - next if %w{ start finish }.include?(event.to_s) - - notifier.subscribe("#{event}.#{namespace}", log_subscriber) - end - end - def log_subscribers - @@log_subscribers ||= [] + subscribers end # Flush all log_subscribers' logger. @@ -80,39 +71,18 @@ module ActiveSupport end end - def initialize - @queue_key = [self.class.name, object_id].join "-" - super - end - def logger LogSubscriber.logger end def start(name, id, payload) - return unless logger - - e = ActiveSupport::Notifications::Event.new(name, Time.now, nil, id, payload) - parent = event_stack.last - parent << e if parent - - event_stack.push e + super if logger end def finish(name, id, payload) - return unless logger - - finished = Time.now - event = event_stack.pop - event.end = finished - event.payload.merge!(payload) - - method = name.split('.').first - begin - send(method, event) - rescue Exception => e - logger.error "Could not log #{name.inspect} event. #{e.class}: #{e.message} #{e.backtrace}" - end + super if logger + rescue Exception => e + logger.error "Could not log #{name.inspect} event. #{e.class}: #{e.message} #{e.backtrace}" end protected @@ -135,11 +105,5 @@ module ActiveSupport bold = bold ? BOLD : "" "#{bold}#{color}#{text}#{CLEAR}" end - - private - - def event_stack - Thread.current[@queue_key] ||= [] - end end end diff --git a/activesupport/lib/active_support/message_encryptor.rb b/activesupport/lib/active_support/message_encryptor.rb index ce40a7d689..bffdfc6201 100644 --- a/activesupport/lib/active_support/message_encryptor.rb +++ b/activesupport/lib/active_support/message_encryptor.rb @@ -12,10 +12,11 @@ module ActiveSupport # This can be used in situations similar to the <tt>MessageVerifier</tt>, but # where you don't want users to be able to determine the value of the payload. # - # key = OpenSSL::Digest::SHA256.new('password').digest # => "\x89\xE0\x156\xAC..." - # crypt = ActiveSupport::MessageEncryptor.new(key) # => #<ActiveSupport::MessageEncryptor ...> - # encrypted_data = crypt.encrypt_and_sign('my secret data') # => "NlFBTTMwOUV5UlA1QlNEN2xkY2d6eThYWWh..." - # crypt.decrypt_and_verify(encrypted_data) # => "my secret data" + # salt = SecureRandom.random_bytes(64) + # key = ActiveSupport::KeyGenerator.new('password').generate_key(salt) # => "\x89\xE0\x156\xAC..." + # crypt = ActiveSupport::MessageEncryptor.new(key) # => #<ActiveSupport::MessageEncryptor ...> + # encrypted_data = crypt.encrypt_and_sign('my secret data') # => "NlFBTTMwOUV5UlA1QlNEN2xkY2d6eThYWWh..." + # crypt.decrypt_and_verify(encrypted_data) # => "my secret data" class MessageEncryptor module NullSerializer #:nodoc: def self.load(value) @@ -28,7 +29,7 @@ module ActiveSupport end class InvalidMessage < StandardError; end - OpenSSLCipherError = OpenSSL::Cipher.const_defined?(:CipherError) ? OpenSSL::Cipher::CipherError : OpenSSL::CipherError + OpenSSLCipherError = OpenSSL::Cipher::CipherError # Initialize a new MessageEncryptor. +secret+ must be at least as long as # the cipher key size. For the default 'aes-256-cbc' cipher, this is 256 @@ -66,12 +67,11 @@ module ActiveSupport def _encrypt(value) cipher = new_cipher - # Rely on OpenSSL for the initialization vector - iv = cipher.random_iv - cipher.encrypt cipher.key = @secret - cipher.iv = iv + + # Rely on OpenSSL for the initialization vector + iv = cipher.random_iv encrypted_data = cipher.update(@serializer.dump(value)) encrypted_data << cipher.final diff --git a/activesupport/lib/active_support/number_helper.rb b/activesupport/lib/active_support/number_helper.rb index cc935e6cb9..414960d2b1 100644 --- a/activesupport/lib/active_support/number_helper.rb +++ b/activesupport/lib/active_support/number_helper.rb @@ -295,7 +295,7 @@ module ActiveSupport options = format_options(options[:locale]).merge!(options) - parts = number.to_s.to_str.split('.') + parts = number.to_s.split('.') parts[0].gsub!(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{options[:delimiter]}") parts.join(options[:separator]) end @@ -356,7 +356,8 @@ module ActiveSupport digits, rounded_number = 1, 0 else digits = (Math.log10(number.abs) + 1).floor - rounded_number = (BigDecimal.new(number.to_s) / BigDecimal.new((10 ** (digits - precision)).to_f.to_s)).round.to_f * 10 ** (digits - precision) + multiplier = 10 ** (digits - precision) + rounded_number = (BigDecimal.new(number.to_s) / BigDecimal.new(multiplier.to_f.to_s)).round.to_f * multiplier digits = (Math.log10(rounded_number.abs) + 1).floor # After rounding, the number of digits may have changed end precision -= digits diff --git a/activesupport/lib/active_support/subscriber.rb b/activesupport/lib/active_support/subscriber.rb new file mode 100644 index 0000000000..34c6f900c1 --- /dev/null +++ b/activesupport/lib/active_support/subscriber.rb @@ -0,0 +1,93 @@ +require 'active_support/per_thread_registry' + +module ActiveSupport + # ActiveSupport::Subscriber is an object set to consume + # ActiveSupport::Notifications. The subscriber dispatches notifications to + # a registered object based on its given namespace. + # + # An example would be Active Record subscriber responsible for collecting + # statistics about queries: + # + # module ActiveRecord + # class StatsSubscriber < ActiveSupport::Subscriber + # def sql(event) + # Statsd.timing("sql.#{event.payload[:name]}", event.duration) + # end + # end + # end + # + # And it's finally registered as: + # + # ActiveRecord::StatsSubscriber.attach_to :active_record + # + # Since we need to know all instance methods before attaching the log + # subscriber, the line above should be called after your subscriber definition. + # + # After configured, whenever a "sql.active_record" notification is published, + # it will properly dispatch the event (ActiveSupport::Notifications::Event) to + # the +sql+ method. + class Subscriber + class << self + + # Attach the subscriber to a namespace. + def attach_to(namespace, subscriber=new, notifier=ActiveSupport::Notifications) + subscribers << subscriber + + subscriber.public_methods(false).each do |event| + next if %w{ start finish }.include?(event.to_s) + + notifier.subscribe("#{event}.#{namespace}", subscriber) + end + end + + def subscribers + @@subscribers ||= [] + end + end + + def initialize + @queue_key = [self.class.name, object_id].join "-" + super + end + + def start(name, id, payload) + e = ActiveSupport::Notifications::Event.new(name, Time.now, nil, id, payload) + parent = event_stack.last + parent << e if parent + + event_stack.push e + end + + def finish(name, id, payload) + finished = Time.now + event = event_stack.pop + event.end = finished + event.payload.merge!(payload) + + method = name.split('.').first + send(method, event) + end + + private + + def event_stack + SubscriberQueueRegistry.get_queue(@queue_key) + end + end + + # This is a registry for all the event stacks kept for subscribers. + # + # See the documentation of <tt>ActiveSupport::PerThreadRegistry</tt> + # for further details. + class SubscriberQueueRegistry # :nodoc: + extend PerThreadRegistry + + def initialize + @registry = {} + end + + def get_queue(queue_key) + @registry[queue_key] ||= [] + end + end +end diff --git a/activesupport/lib/active_support/version.rb b/activesupport/lib/active_support/version.rb index ca23057189..8762330a6e 100644 --- a/activesupport/lib/active_support/version.rb +++ b/activesupport/lib/active_support/version.rb @@ -1,7 +1,7 @@ module ActiveSupport # Returns the version of the currently loaded ActiveSupport as a Gem::Version def self.version - Gem::Version.new "4.0.0.beta1" + Gem::Version.new "4.1.0.beta" end module VERSION #:nodoc: |