diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext')
78 files changed, 913 insertions, 657 deletions
diff --git a/activesupport/lib/active_support/core_ext/array.rb b/activesupport/lib/active_support/core_ext/array.rb index 7d0c1e4c8d..7551551bd7 100644 --- a/activesupport/lib/active_support/core_ext/array.rb +++ b/activesupport/lib/active_support/core_ext/array.rb @@ -4,3 +4,4 @@ require 'active_support/core_ext/array/conversions' require 'active_support/core_ext/array/extract_options' require 'active_support/core_ext/array/grouping' require 'active_support/core_ext/array/prepend_and_append' +require 'active_support/core_ext/array/inquiry' diff --git a/activesupport/lib/active_support/core_ext/array/access.rb b/activesupport/lib/active_support/core_ext/array/access.rb index caa499dfa2..3177d8498e 100644 --- a/activesupport/lib/active_support/core_ext/array/access.rb +++ b/activesupport/lib/active_support/core_ext/array/access.rb @@ -20,7 +20,23 @@ class Array # %w( a b c d ).to(-2) # => ["a", "b", "c"] # %w( a b c ).to(-10) # => [] def to(position) - self[0..position] + if position >= 0 + take position + 1 + else + self[0..position] + end + end + + # Returns a copy of the Array without the specified elements. + # + # people = ["David", "Rafael", "Aaron", "Todd"] + # people.without "Aaron", "Todd" + # => ["David", "Rafael"] + # + # Note: This is an optimization of `Enumerable#without` that uses `Array#-` + # instead of `Array#reject` for performance reasons. + def without(*elements) + self - elements end # Equal to <tt>self[1]</tt>. diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb index 76ffd23ed1..8718b7e1e5 100644 --- a/activesupport/lib/active_support/core_ext/array/conversions.rb +++ b/activesupport/lib/active_support/core_ext/array/conversions.rb @@ -32,7 +32,7 @@ class Array # ['one', 'two', 'three'].to_sentence # => "one, two, and three" # # ['one', 'two'].to_sentence(passing: 'invalid option') - # # => ArgumentError: Unknown key :passing + # # => ArgumentError: Unknown key: :passing. Valid keys are: :words_connector, :two_words_connector, :last_word_connector, :locale # # ['one', 'two'].to_sentence(two_words_connector: '-') # # => "one-two" @@ -74,7 +74,7 @@ class Array when 0 '' when 1 - self[0].to_s.dup + "#{self[0]}" when 2 "#{self[0]}#{options[:two_words_connector]}#{self[1]}" else @@ -85,14 +85,16 @@ class Array # Extends <tt>Array#to_s</tt> to convert a collection of elements into a # comma separated id list if <tt>:db</tt> argument is given as the format. # - # Blog.all.to_formatted_s(:db) # => "1,2,3" + # Blog.all.to_formatted_s(:db) # => "1,2,3" + # Blog.none.to_formatted_s(:db) # => "null" + # [1,2].to_formatted_s # => "[1, 2]" def to_formatted_s(format = :default) case format when :db if empty? 'null' else - collect { |element| element.id }.join(',') + collect(&:id).join(',') end else to_default_s diff --git a/activesupport/lib/active_support/core_ext/array/grouping.rb b/activesupport/lib/active_support/core_ext/array/grouping.rb index 3529d57174..87ae052eb0 100644 --- a/activesupport/lib/active_support/core_ext/array/grouping.rb +++ b/activesupport/lib/active_support/core_ext/array/grouping.rb @@ -18,6 +18,11 @@ class Array # ["3", "4"] # ["5"] def in_groups_of(number, fill_with = nil) + if number.to_i <= 0 + raise ArgumentError, + "Group size must be a positive integer, was #{number.inspect}" + end + if fill_with == false collection = self else diff --git a/activesupport/lib/active_support/core_ext/array/inquiry.rb b/activesupport/lib/active_support/core_ext/array/inquiry.rb new file mode 100644 index 0000000000..e8f44cc378 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/array/inquiry.rb @@ -0,0 +1,17 @@ +require 'active_support/array_inquirer' + +class Array + # Wraps the array in an +ArrayInquirer+ object, which gives a friendlier way + # to check its string-like contents. + # + # pets = [:cat, :dog].inquiry + # + # pets.cat? # => true + # pets.ferret? # => false + # + # pets.any?(:cat, :ferret) # => true + # pets.any?(:ferret, :alligator) # => false + def inquiry + ActiveSupport::ArrayInquirer.new(self) + end +end diff --git a/activesupport/lib/active_support/core_ext/array/wrap.rb b/activesupport/lib/active_support/core_ext/array/wrap.rb index 152eb02218..b611d34c27 100644 --- a/activesupport/lib/active_support/core_ext/array/wrap.rb +++ b/activesupport/lib/active_support/core_ext/array/wrap.rb @@ -3,7 +3,7 @@ class Array # # Specifically: # - # * If the argument is +nil+ an empty list is returned. + # * If the argument is +nil+ an empty array is returned. # * Otherwise, if the argument responds to +to_ary+ it is invoked, and its result returned. # * Otherwise, returns an array with the argument as its single element. # @@ -15,12 +15,13 @@ class Array # # * If the argument responds to +to_ary+ the method is invoked. <tt>Kernel#Array</tt> # moves on to try +to_a+ if the returned value is +nil+, but <tt>Array.wrap</tt> returns - # +nil+ right away. + # an array with the argument as its single element right away. # * If the returned value from +to_ary+ is neither +nil+ nor an +Array+ object, <tt>Kernel#Array</tt> # raises an exception, while <tt>Array.wrap</tt> does not, it just returns the value. - # * It does not call +to_a+ on the argument, but returns an empty array if argument is +nil+. + # * It does not call +to_a+ on the argument, if the argument does not respond to +to_ary+ + # it returns an array with the argument as its single element. # - # The second point is easily explained with some enumerables: + # The last point is easily explained with some enumerables: # # Array(foo: :bar) # => [[:foo, :bar]] # Array.wrap(foo: :bar) # => [{:foo=>:bar}] diff --git a/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb b/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb index 843c592669..22fc7ecf92 100644 --- a/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb +++ b/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb @@ -1,16 +1,14 @@ require 'bigdecimal' require 'bigdecimal/util' -class BigDecimal - DEFAULT_STRING_FORMAT = 'F' - def to_formatted_s(*args) - if args[0].is_a?(Symbol) - super - else - format = args[0] || DEFAULT_STRING_FORMAT - _original_to_s(format) +module ActiveSupport + module BigDecimalWithDefaultFormat #:nodoc: + DEFAULT_STRING_FORMAT = 'F' + + def to_s(format = nil) + super(format || DEFAULT_STRING_FORMAT) end end - alias_method :_original_to_s, :to_s - alias_method :to_s, :to_formatted_s end + +BigDecimal.prepend(ActiveSupport::BigDecimalWithDefaultFormat) diff --git a/activesupport/lib/active_support/core_ext/big_decimal/yaml_conversions.rb b/activesupport/lib/active_support/core_ext/big_decimal/yaml_conversions.rb deleted file mode 100644 index 46ba93ead4..0000000000 --- a/activesupport/lib/active_support/core_ext/big_decimal/yaml_conversions.rb +++ /dev/null @@ -1,14 +0,0 @@ -ActiveSupport::Deprecation.warn 'core_ext/big_decimal/yaml_conversions is deprecated and will be removed in the future.' - -require 'bigdecimal' -require 'yaml' -require 'active_support/core_ext/big_decimal/conversions' - -class BigDecimal - YAML_MAPPING = { 'Infinity' => '.Inf', '-Infinity' => '-.Inf', 'NaN' => '.NaN' } - - def encode_with(coder) - string = to_s - coder.represent_scalar(nil, YAML_MAPPING[string] || string) - end -end diff --git a/activesupport/lib/active_support/core_ext/class.rb b/activesupport/lib/active_support/core_ext/class.rb index c750a10bb2..ef903d59b5 100644 --- a/activesupport/lib/active_support/core_ext/class.rb +++ b/activesupport/lib/active_support/core_ext/class.rb @@ -1,3 +1,2 @@ require 'active_support/core_ext/class/attribute' -require 'active_support/core_ext/class/delegating_attributes' require 'active_support/core_ext/class/subclasses' diff --git a/activesupport/lib/active_support/core_ext/class/attribute.rb b/activesupport/lib/active_support/core_ext/class/attribute.rb index f2a221c396..802d988af2 100644 --- a/activesupport/lib/active_support/core_ext/class/attribute.rb +++ b/activesupport/lib/active_support/core_ext/class/attribute.rb @@ -75,11 +75,15 @@ class Class instance_predicate = options.fetch(:instance_predicate, true) attrs.each do |name| + remove_possible_singleton_method(name) define_singleton_method(name) { nil } + + remove_possible_singleton_method("#{name}?") define_singleton_method("#{name}?") { !!public_send(name) } if instance_predicate ivar = "@#{name}" + remove_possible_singleton_method("#{name}=") define_singleton_method("#{name}=") do |val| singleton_class.class_eval do remove_possible_method(name) @@ -110,18 +114,15 @@ class Class self.class.public_send name end end + + remove_possible_method "#{name}?" define_method("#{name}?") { !!public_send(name) } if instance_predicate end - attr_writer name if instance_writer - end - end - - private - - unless respond_to?(:singleton_class?) - def singleton_class? - ancestors.first != self + if instance_writer + remove_possible_method "#{name}=" + attr_writer name end end + end end diff --git a/activesupport/lib/active_support/core_ext/class/delegating_attributes.rb b/activesupport/lib/active_support/core_ext/class/delegating_attributes.rb deleted file mode 100644 index 1c305c5970..0000000000 --- a/activesupport/lib/active_support/core_ext/class/delegating_attributes.rb +++ /dev/null @@ -1,45 +0,0 @@ -require 'active_support/core_ext/kernel/singleton_class' -require 'active_support/core_ext/module/remove_method' -require 'active_support/core_ext/module/deprecation' - - -class Class - def superclass_delegating_accessor(name, options = {}) - # Create private _name and _name= methods that can still be used if the public - # methods are overridden. - _superclass_delegating_accessor("_#{name}", options) - - # Generate the public methods name, name=, and name?. - # These methods dispatch to the private _name, and _name= methods, making them - # overridable. - singleton_class.send(:define_method, name) { send("_#{name}") } - singleton_class.send(:define_method, "#{name}?") { !!send("_#{name}") } - singleton_class.send(:define_method, "#{name}=") { |value| send("_#{name}=", value) } - - # If an instance_reader is needed, generate public instance methods name and name?. - if options[:instance_reader] != false - define_method(name) { send("_#{name}") } - define_method("#{name}?") { !!send("#{name}") } - end - end - - deprecate superclass_delegating_accessor: :class_attribute - - private - # Take the object being set and store it in a method. This gives us automatic - # inheritance behavior, without having to store the object in an instance - # variable and look up the superclass chain manually. - def _stash_object_in_method(object, method, instance_reader = true) - singleton_class.remove_possible_method(method) - singleton_class.send(:define_method, method) { object } - remove_possible_method(method) - define_method(method) { object } if instance_reader - end - - def _superclass_delegating_accessor(name, options = {}) - singleton_class.send(:define_method, "#{name}=") do |value| - _stash_object_in_method(value, name, options[:instance_reader] != false) - end - send("#{name}=", nil) - end -end diff --git a/activesupport/lib/active_support/core_ext/date.rb b/activesupport/lib/active_support/core_ext/date.rb index 465fedda80..7f0f4639a2 100644 --- a/activesupport/lib/active_support/core_ext/date.rb +++ b/activesupport/lib/active_support/core_ext/date.rb @@ -1,5 +1,5 @@ require 'active_support/core_ext/date/acts_like' +require 'active_support/core_ext/date/blank' require 'active_support/core_ext/date/calculations' require 'active_support/core_ext/date/conversions' require 'active_support/core_ext/date/zones' - diff --git a/activesupport/lib/active_support/core_ext/date/blank.rb b/activesupport/lib/active_support/core_ext/date/blank.rb new file mode 100644 index 0000000000..71627b6a6f --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date/blank.rb @@ -0,0 +1,12 @@ +require 'date' + +class Date #:nodoc: + # No Date is blank: + # + # Date.today.blank? # => false + # + # @return [false] + def blank? + false + end +end diff --git a/activesupport/lib/active_support/core_ext/date/calculations.rb b/activesupport/lib/active_support/core_ext/date/calculations.rb index c60e833441..d589b67bf7 100644 --- a/activesupport/lib/active_support/core_ext/date/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date/calculations.rb @@ -26,7 +26,7 @@ class Date Thread.current[:beginning_of_week] = find_beginning_of_week!(week_start) end - # Returns week start day symbol (e.g. :monday), or raises an ArgumentError for invalid day symbol. + # Returns week start day symbol (e.g. :monday), or raises an +ArgumentError+ for invalid day symbol. def find_beginning_of_week!(week_start) raise ArgumentError, "Invalid beginning of week: #{week_start}" unless ::Date::DAYS_INTO_WEEK.key?(week_start) week_start diff --git a/activesupport/lib/active_support/core_ext/date/conversions.rb b/activesupport/lib/active_support/core_ext/date/conversions.rb index df419a6e63..ed8bca77ac 100644 --- a/activesupport/lib/active_support/core_ext/date/conversions.rb +++ b/activesupport/lib/active_support/core_ext/date/conversions.rb @@ -35,6 +35,7 @@ class Date # date.to_s(:db) # => "2007-11-10" # # date.to_formatted_s(:short) # => "10 Nov" + # date.to_formatted_s(:number) # => "20071110" # date.to_formatted_s(:long) # => "November 10, 2007" # date.to_formatted_s(:long_ordinal) # => "November 10th, 2007" # date.to_formatted_s(:rfc822) # => "10 Nov 2007" @@ -74,14 +75,19 @@ class Date # # date = Date.new(2007, 11, 10) # => Sat, 10 Nov 2007 # - # date.to_time # => Sat Nov 10 00:00:00 0800 2007 - # date.to_time(:local) # => Sat Nov 10 00:00:00 0800 2007 + # date.to_time # => 2007-11-10 00:00:00 0800 + # date.to_time(:local) # => 2007-11-10 00:00:00 0800 # - # date.to_time(:utc) # => Sat Nov 10 00:00:00 UTC 2007 + # date.to_time(:utc) # => 2007-11-10 00:00:00 UTC def to_time(form = :local) ::Time.send(form, year, month, day) end + # Returns a string which represents the time in used time zone as DateTime + # defined by XML Schema: + # + # date = Date.new(2015, 05, 23) # => Sat, 23 May 2015 + # date.xmlschema # => "2015-05-23T00:00:00+04:00" def xmlschema in_time_zone.xmlschema end 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 b85e49aca5..e079af594d 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 @@ -9,15 +9,26 @@ module DateAndTime :saturday => 5, :sunday => 6 } + WEEKEND_DAYS = [ 6, 0 ] # Returns a new date/time representing yesterday. def yesterday - advance(:days => -1) + advance(days: -1) + end + + # Returns a new date/time representing the previous day. + def prev_day + advance(days: -1) end # Returns a new date/time representing tomorrow. def tomorrow - advance(:days => 1) + advance(days: 1) + end + + # Returns a new date/time representing the next day. + def next_day + advance(days: 1) end # Returns true if the date/time is today. @@ -35,6 +46,11 @@ module DateAndTime self > self.class.current end + # Returns true if the date/time falls on a Saturday or Sunday. + def on_weekend? + WEEKEND_DAYS.include?(wday) + end + # Returns a new date/time the specified number of days ago. def days_ago(days) advance(:days => -days) @@ -76,15 +92,28 @@ module DateAndTime end # Returns a new date/time at the start of the month. - # DateTime objects will have a time set to 0:00. + # + # today = Date.today # => Thu, 18 Jun 2015 + # today.beginning_of_month # => Mon, 01 Jun 2015 + # + # +DateTime+ objects will have a time set to 0:00. + # + # now = DateTime.current # => Thu, 18 Jun 2015 15:23:13 +0000 + # now.beginning_of_month # => Mon, 01 Jun 2015 00:00:00 +0000 def beginning_of_month first_hour(change(:day => 1)) end alias :at_beginning_of_month :beginning_of_month # Returns a new date/time at the start of the quarter. - # Example: 1st January, 1st July, 1st October. - # DateTime objects will have a time set to 0:00. + # + # today = Date.today # => Fri, 10 Jul 2015 + # today.beginning_of_quarter # => Wed, 01 Jul 2015 + # + # +DateTime+ objects will have a time set to 0:00. + # + # now = DateTime.current # => Fri, 10 Jul 2015 18:41:29 +0000 + # now.beginning_of_quarter # => Wed, 01 Jul 2015 00:00:00 +0000 def beginning_of_quarter first_quarter_month = [10, 7, 4, 1].detect { |m| m <= month } beginning_of_month.change(:month => first_quarter_month) @@ -92,28 +121,62 @@ module DateAndTime alias :at_beginning_of_quarter :beginning_of_quarter # Returns a new date/time at the end of the quarter. - # Example: 31st March, 30th June, 30th September. - # DateTime objects will have a time set to 23:59:59. + # + # today = Date.today # => Fri, 10 Jul 2015 + # today.end_of_quarter # => Wed, 30 Sep 2015 + # + # +DateTime+ objects will have a time set to 23:59:59. + # + # now = DateTime.current # => Fri, 10 Jul 2015 18:41:29 +0000 + # now.end_of_quarter # => Wed, 30 Sep 2015 23:59:59 +0000 def end_of_quarter last_quarter_month = [3, 6, 9, 12].detect { |m| m >= month } beginning_of_month.change(:month => last_quarter_month).end_of_month end alias :at_end_of_quarter :end_of_quarter - # Return a new date/time at the beginning of the year. - # Example: 1st January. - # DateTime objects will have a time set to 0:00. + # Returns a new date/time at the beginning of the year. + # + # today = Date.today # => Fri, 10 Jul 2015 + # today.beginning_of_year # => Thu, 01 Jan 2015 + # + # +DateTime+ objects will have a time set to 0:00. + # + # now = DateTime.current # => Fri, 10 Jul 2015 18:41:29 +0000 + # now.beginning_of_year # => Thu, 01 Jan 2015 00:00:00 +0000 def beginning_of_year change(:month => 1).beginning_of_month end alias :at_beginning_of_year :beginning_of_year # Returns a new date/time representing the given day in the next week. + # + # today = Date.today # => Thu, 07 May 2015 + # today.next_week # => Mon, 11 May 2015 + # # 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))) + # when set. + # + # today = Date.today # => Thu, 07 May 2015 + # today.next_week(:friday) # => Fri, 15 May 2015 + # + # +DateTime+ objects have their time set to 0:00 unless +same_time+ is true. + # + # now = DateTime.current # => Thu, 07 May 2015 13:31:16 +0000 + # now.next_week # => Mon, 11 May 2015 00:00:00 +0000 + def next_week(given_day_in_next_week = Date.beginning_of_week, same_time: false) + result = first_hour(weeks_since(1).beginning_of_week.days_since(days_span(given_day_in_next_week))) + same_time ? copy_time_to(result) : result + end + + # Returns a new date/time representing the next weekday. + def next_weekday + if next_day.on_weekend? + next_week(:monday, same_time: true) + else + next_day + end end # Short-hand for months_since(1). @@ -134,12 +197,23 @@ module DateAndTime # Returns a new date/time representing the given day in the previous 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 prev_week(start_day = Date.beginning_of_week) - first_hour(weeks_ago(1).beginning_of_week.days_since(days_span(start_day))) + # DateTime objects have their time set to 0:00 unless +same_time+ is true. + def prev_week(start_day = Date.beginning_of_week, same_time: false) + result = first_hour(weeks_ago(1).beginning_of_week.days_since(days_span(start_day))) + same_time ? copy_time_to(result) : result end alias_method :last_week, :prev_week + # Returns a new date/time representing the previous weekday. + def prev_weekday + if prev_day.on_weekend? + copy_time_to(beginning_of_week(:friday)) + else + prev_day + end + end + alias_method :last_weekday, :prev_weekday + # Short-hand for months_ago(1). def prev_month months_ago(1) @@ -235,17 +309,20 @@ module DateAndTime end private + def first_hour(date_or_time) + date_or_time.acts_like?(:time) ? date_or_time.beginning_of_day : date_or_time + end - def first_hour(date_or_time) - date_or_time.acts_like?(:time) ? date_or_time.beginning_of_day : date_or_time - end + def last_hour(date_or_time) + date_or_time.acts_like?(:time) ? date_or_time.end_of_day : date_or_time + end - def last_hour(date_or_time) - date_or_time.acts_like?(:time) ? date_or_time.end_of_day : date_or_time - end + def days_span(day) + (DAYS_INTO_WEEK[day] - DAYS_INTO_WEEK[Date.beginning_of_week]) % 7 + end - def days_span(day) - (DAYS_INTO_WEEK[day] - DAYS_INTO_WEEK[Date.beginning_of_week]) % 7 - end + def copy_time_to(other) + other.change(hour: hour, min: min, sec: sec, usec: try(:usec)) + end end end diff --git a/activesupport/lib/active_support/core_ext/date_and_time/zones.rb b/activesupport/lib/active_support/core_ext/date_and_time/zones.rb index 96c6df9407..d29a8db5cf 100644 --- a/activesupport/lib/active_support/core_ext/date_and_time/zones.rb +++ b/activesupport/lib/active_support/core_ext/date_and_time/zones.rb @@ -4,7 +4,7 @@ module DateAndTime # if Time.zone_default is set. Otherwise, it returns the current time. # # Time.zone = 'Hawaii' # => 'Hawaii' - # DateTime.utc(2000).in_time_zone # => Fri, 31 Dec 1999 14:00:00 HST -10:00 + # Time.utc(2000).in_time_zone # => Fri, 31 Dec 1999 14:00:00 HST -10:00 # Date.new(2000).in_time_zone # => Sat, 01 Jan 2000 00:00:00 HST -10:00 # # This method is similar to Time#localtime, except that it uses <tt>Time.zone</tt> as the local zone @@ -14,7 +14,6 @@ module DateAndTime # and the conversion will be based on that zone instead of <tt>Time.zone</tt>. # # Time.utc(2000).in_time_zone('Alaska') # => Fri, 31 Dec 1999 15:00:00 AKST -09:00 - # DateTime.utc(2000).in_time_zone('Alaska') # => Fri, 31 Dec 1999 15:00:00 AKST -09:00 # Date.new(2000).in_time_zone('Alaska') # => Sat, 01 Jan 2000 00:00:00 AKST -09:00 def in_time_zone(zone = ::Time.zone) time_zone = ::Time.find_zone! zone diff --git a/activesupport/lib/active_support/core_ext/date_time.rb b/activesupport/lib/active_support/core_ext/date_time.rb index e8a27b9f38..bcb228b09a 100644 --- a/activesupport/lib/active_support/core_ext/date_time.rb +++ b/activesupport/lib/active_support/core_ext/date_time.rb @@ -1,4 +1,5 @@ require 'active_support/core_ext/date_time/acts_like' +require 'active_support/core_ext/date_time/blank' require 'active_support/core_ext/date_time/calculations' require 'active_support/core_ext/date_time/conversions' require 'active_support/core_ext/date_time/zones' diff --git a/activesupport/lib/active_support/core_ext/date_time/blank.rb b/activesupport/lib/active_support/core_ext/date_time/blank.rb new file mode 100644 index 0000000000..56981b75fb --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date_time/blank.rb @@ -0,0 +1,12 @@ +require 'date' + +class DateTime #:nodoc: + # No DateTime is ever blank: + # + # DateTime.now.blank? # => false + # + # @return [false] + def blank? + false + end +end diff --git a/activesupport/lib/active_support/core_ext/date_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_time/calculations.rb index 289ca12b5e..95617fb8c2 100644 --- a/activesupport/lib/active_support/core_ext/date_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_time/calculations.rb @@ -10,7 +10,11 @@ class DateTime end end - # Seconds since midnight: DateTime.now.seconds_since_midnight. + # Returns the number of seconds since 00:00:00. + # + # DateTime.new(2012, 8, 29, 0, 0, 0).seconds_since_midnight # => 0 + # DateTime.new(2012, 8, 29, 12, 34, 56).seconds_since_midnight # => 45296 + # DateTime.new(2012, 8, 29, 23, 59, 59).seconds_since_midnight # => 86399 def seconds_since_midnight sec + (min * 60) + (hour * 3600) end @@ -161,8 +165,10 @@ class DateTime # Layers additional behavior on DateTime#<=> so that Time and # ActiveSupport::TimeWithZone instances can be compared with a DateTime. def <=>(other) - if other.respond_to? :to_datetime - super other.to_datetime + if other.kind_of?(Infinity) + super + elsif other.respond_to? :to_datetime + super other.to_datetime rescue nil else nil end diff --git a/activesupport/lib/active_support/core_ext/date_time/conversions.rb b/activesupport/lib/active_support/core_ext/date_time/conversions.rb index 2a9c09fc29..f59d05b214 100644 --- a/activesupport/lib/active_support/core_ext/date_time/conversions.rb +++ b/activesupport/lib/active_support/core_ext/date_time/conversions.rb @@ -40,6 +40,8 @@ class DateTime alias_method :to_default_s, :to_s if instance_methods(false).include?(:to_s) alias_method :to_s, :to_formatted_s + # Returns a formatted string of the offset from UTC, or an alternative + # string if the time zone is already UTC. # # datetime = DateTime.civil(2000, 1, 1, 0, 0, 0, Rational(-6, 24)) # datetime.formatted_offset # => "-06:00" diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb index 1343beb87a..fc7531d088 100644 --- a/activesupport/lib/active_support/core_ext/enumerable.rb +++ b/activesupport/lib/active_support/core_ext/enumerable.rb @@ -60,6 +60,32 @@ module Enumerable def exclude?(object) !include?(object) end + + # Returns a copy of the enumerable without the specified elements. + # + # ["David", "Rafael", "Aaron", "Todd"].without "Aaron", "Todd" + # => ["David", "Rafael"] + # + # {foo: 1, bar: 2, baz: 3}.without :bar + # => {foo: 1, baz: 3} + def without(*elements) + reject { |element| elements.include?(element) } + end + + # Convert an enumerable to an array based on the given key. + # + # [{ name: "David" }, { name: "Rafael" }, { name: "Aaron" }].pluck(:name) + # => ["David", "Rafael", "Aaron"] + # + # [{ id: 1, name: "David" }, { id: 2, name: "Rafael" }].pluck(:id, :name) + # => [[1, "David"], [2, "Rafael"]] + def pluck(*keys) + if keys.many? + map { |element| keys.map { |key| element[key] } } + else + map { |element| element[keys.first] } + end + end end class Range #:nodoc: diff --git a/activesupport/lib/active_support/core_ext/file/atomic.rb b/activesupport/lib/active_support/core_ext/file/atomic.rb index 0e7e3ba378..463fd78412 100644 --- a/activesupport/lib/active_support/core_ext/file/atomic.rb +++ b/activesupport/lib/active_support/core_ext/file/atomic.rb @@ -8,40 +8,45 @@ class File # file.write('hello') # end # - # If your temp directory is not on the same filesystem as the file you're - # trying to write, you can provide a different temporary directory. + # This method needs to create a temporary file. By default it will create it + # in the same directory as the destination file. If you don't like this + # behavior you can provide a different directory but it must be on the + # same physical filesystem as the file you're trying to write. # # File.atomic_write('/data/something.important', '/data/tmp') do |file| # file.write('hello') # end - def self.atomic_write(file_name, temp_dir = Dir.tmpdir) + def self.atomic_write(file_name, temp_dir = dirname(file_name)) require 'tempfile' unless defined?(Tempfile) - require 'fileutils' unless defined?(FileUtils) - temp_file = Tempfile.new(basename(file_name), temp_dir) - temp_file.binmode - yield temp_file - temp_file.close + Tempfile.open(".#{basename(file_name)}", temp_dir) do |temp_file| + temp_file.binmode + return_val = yield temp_file + temp_file.close - if File.exist?(file_name) - # Get original file permissions - old_stat = stat(file_name) - else - # If not possible, probe which are the default permissions in the - # destination directory. - old_stat = probe_stat_in(dirname(file_name)) - end + old_stat = if exist?(file_name) + # Get original file permissions + stat(file_name) + elsif temp_dir != dirname(file_name) + # If not possible, probe which are the default permissions in the + # destination directory. + probe_stat_in(dirname(file_name)) + end - # Overwrite original file with temp file - FileUtils.mv(temp_file.path, file_name) + if old_stat + # Set correct permissions on new file + begin + chown(old_stat.uid, old_stat.gid, temp_file.path) + # This operation will affect filesystem ACL's + chmod(old_stat.mode, temp_file.path) + rescue Errno::EPERM, Errno::EACCES + # Changing file ownership failed, moving on. + end + end - # Set correct permissions on new file - begin - chown(old_stat.uid, old_stat.gid, file_name) - # This operation will affect filesystem ACL's - chmod(old_stat.mode, file_name) - rescue Errno::EPERM - # Changing file ownership failed, moving on. + # Overwrite original file with temp file + rename(temp_file.path, file_name) + return_val end end diff --git a/activesupport/lib/active_support/core_ext/hash/compact.rb b/activesupport/lib/active_support/core_ext/hash/compact.rb index 6566215a4d..5dc9a05ec7 100644 --- a/activesupport/lib/active_support/core_ext/hash/compact.rb +++ b/activesupport/lib/active_support/core_ext/hash/compact.rb @@ -1,6 +1,6 @@ class Hash # Returns a hash with non +nil+ values. - # + # # hash = { a: true, b: false, c: nil} # hash.compact # => { a: true, b: false} # hash # => { a: true, b: false, c: nil} @@ -8,9 +8,9 @@ class Hash def compact self.select { |_, value| !value.nil? } end - + # Replaces current hash with non +nil+ values. - # + # # hash = { a: true, b: false, c: nil} # hash.compact! # => { a: true, b: false} # hash # => { a: true, b: false} diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb index 2149d4439d..8594d9bf2e 100644 --- a/activesupport/lib/active_support/core_ext/hash/conversions.rb +++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb @@ -106,7 +106,25 @@ class Hash # # => {"hash"=>{"foo"=>1, "bar"=>2}} # # +DisallowedType+ is raised if the XML contains attributes with <tt>type="yaml"</tt> or - # <tt>type="symbol"</tt>. Use <tt>Hash.from_trusted_xml</tt> to parse this XML. + # <tt>type="symbol"</tt>. Use <tt>Hash.from_trusted_xml</tt> to + # parse this XML. + # + # Custom +disallowed_types+ can also be passed in the form of an + # array. + # + # xml = <<-XML + # <?xml version="1.0" encoding="UTF-8"?> + # <hash> + # <foo type="integer">1</foo> + # <bar type="string">"David"</bar> + # </hash> + # XML + # + # hash = Hash.from_xml(xml, ['integer']) + # # => ActiveSupport::XMLConverter::DisallowedType: Disallowed type attribute: "integer" + # + # Note that passing custom disallowed types will override the default types, + # which are Symbol and YAML. def from_xml(xml, disallowed_types = nil) ActiveSupport::XMLConverter.new(xml, disallowed_types).to_h end diff --git a/activesupport/lib/active_support/core_ext/hash/deep_merge.rb b/activesupport/lib/active_support/core_ext/hash/deep_merge.rb index 763d563231..9c9faf67ea 100644 --- a/activesupport/lib/active_support/core_ext/hash/deep_merge.rb +++ b/activesupport/lib/active_support/core_ext/hash/deep_merge.rb @@ -4,7 +4,7 @@ class Hash # h1 = { a: true, b: { c: [1, 2, 3] } } # h2 = { a: false, b: { x: [3, 4, 5] } } # - # h1.deep_merge(h2) #=> { a: false, b: { c: [1, 2, 3], x: [3, 4, 5] } } + # h1.deep_merge(h2) # => { a: false, b: { c: [1, 2, 3], x: [3, 4, 5] } } # # Like with Hash#merge in the standard library, a block can be provided # to merge values: diff --git a/activesupport/lib/active_support/core_ext/hash/except.rb b/activesupport/lib/active_support/core_ext/hash/except.rb index 682d089881..2f6d38c1f6 100644 --- a/activesupport/lib/active_support/core_ext/hash/except.rb +++ b/activesupport/lib/active_support/core_ext/hash/except.rb @@ -1,13 +1,20 @@ class Hash - # Returns a hash that includes everything but the given keys. This is useful for - # limiting a set of parameters to everything but a few known toggles: + # Returns a hash that includes everything except given keys. + # hash = { a: true, b: false, c: nil } + # hash.except(:c) # => { a: true, b: false } + # hash.except(:a, :b) # => { c: nil } + # hash # => { a: true, b: false, c: nil } # + # This is useful for limiting a set of parameters to everything but a few known toggles: # @person.update(params[:person].except(:admin)) def except(*keys) dup.except!(*keys) end - # Replaces the hash without the given keys. + # Removes the given keys from hash and returns it. + # hash = { a: true, b: false, c: nil } + # hash.except!(:c) # => { a: true, b: false } + # hash # => { a: true, b: false } def except!(*keys) keys.each { |key| delete(key) } self diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb index f4105f66b0..07a282e8b6 100644 --- a/activesupport/lib/active_support/core_ext/hash/keys.rb +++ b/activesupport/lib/active_support/core_ext/hash/keys.rb @@ -1,10 +1,14 @@ class Hash - # Returns a new hash with all keys converted using the block operation. + # Returns a new hash with all keys converted using the +block+ operation. # # hash = { name: 'Rob', age: '28' } # - # hash.transform_keys{ |key| key.to_s.upcase } - # # => {"NAME"=>"Rob", "AGE"=>"28"} + # hash.transform_keys { |key| key.to_s.upcase } # => {"NAME"=>"Rob", "AGE"=>"28"} + # + # If you do not provide a +block+, it will return an Enumerator + # for chaining with other methods: + # + # hash.transform_keys.with_index { |k, i| [k, i].join } # => {"name0"=>"Rob", "age1"=>"28"} def transform_keys return enum_for(:transform_keys) unless block_given? result = self.class.new @@ -14,8 +18,8 @@ class Hash result end - # Destructively convert all keys using the block operations. - # Same as transform_keys but modifies +self+. + # Destructively converts all keys using the +block+ operations. + # Same as +transform_keys+ but modifies +self+. def transform_keys! return enum_for(:transform_keys!) unless block_given? keys.each do |key| @@ -31,13 +35,13 @@ class Hash # hash.stringify_keys # # => {"name"=>"Rob", "age"=>"28"} def stringify_keys - transform_keys{ |key| key.to_s } + transform_keys(&:to_s) end - # Destructively convert all keys to strings. Same as + # Destructively converts all keys to strings. Same as # +stringify_keys+, but modifies +self+. def stringify_keys! - transform_keys!{ |key| key.to_s } + transform_keys!(&:to_s) end # Returns a new hash with all keys converted to symbols, as long as @@ -52,15 +56,15 @@ class Hash end alias_method :to_options, :symbolize_keys - # Destructively convert all keys to symbols, as long as they respond + # Destructively converts all keys to symbols, as long as they respond # to +to_sym+. Same as +symbolize_keys+, but modifies +self+. def symbolize_keys! transform_keys!{ |key| key.to_sym rescue key } end alias_method :to_options!, :symbolize_keys! - # Validate all keys in a hash match <tt>*valid_keys</tt>, raising - # ArgumentError on a mismatch. + # Validates all keys in a hash match <tt>*valid_keys</tt>, raising + # +ArgumentError+ on a mismatch. # # Note that keys are treated differently than HashWithIndifferentAccess, # meaning that string and symbol keys will not match. @@ -89,7 +93,7 @@ class Hash _deep_transform_keys_in_object(self, &block) end - # Destructively convert all keys by using the block operation. + # Destructively converts all keys by using the block operation. # This includes the keys from the root hash and from all # nested hashes and arrays. def deep_transform_keys!(&block) @@ -105,14 +109,14 @@ class Hash # hash.deep_stringify_keys # # => {"person"=>{"name"=>"Rob", "age"=>"28"}} def deep_stringify_keys - deep_transform_keys{ |key| key.to_s } + deep_transform_keys(&:to_s) end - # Destructively convert all keys to strings. + # Destructively converts all keys to strings. # This includes the keys from the root hash and from all # nested hashes and arrays. def deep_stringify_keys! - deep_transform_keys!{ |key| key.to_s } + deep_transform_keys!(&:to_s) end # Returns a new hash with all keys converted to symbols, as long as @@ -127,7 +131,7 @@ class Hash deep_transform_keys{ |key| key.to_sym rescue key } end - # Destructively convert all keys to symbols, as long as they respond + # Destructively converts all keys to symbols, as long as they respond # to +to_sym+. This includes the keys from the root hash and from all # nested hashes and arrays. def deep_symbolize_keys! diff --git a/activesupport/lib/active_support/core_ext/hash/slice.rb b/activesupport/lib/active_support/core_ext/hash/slice.rb index 8ad600b171..1d5f38231a 100644 --- a/activesupport/lib/active_support/core_ext/hash/slice.rb +++ b/activesupport/lib/active_support/core_ext/hash/slice.rb @@ -1,6 +1,12 @@ class Hash - # Slice a hash to include only the given keys. This is useful for - # limiting an options hash to valid keys before passing to a method: + # Slices a hash to include only the given keys. Returns a hash containing + # the given keys. + # + # { a: 1, b: 2, c: 3, d: 4 }.slice(:a, :b) + # # => {:a=>1, :b=>2} + # + # This is useful for limiting an options hash to valid keys before + # passing to a method: # # def search(criteria = {}) # criteria.assert_valid_keys(:mass, :velocity, :time) diff --git a/activesupport/lib/active_support/core_ext/hash/transform_values.rb b/activesupport/lib/active_support/core_ext/hash/transform_values.rb index e9bcce761f..9ddb838774 100644 --- a/activesupport/lib/active_support/core_ext/hash/transform_values.rb +++ b/activesupport/lib/active_support/core_ext/hash/transform_values.rb @@ -2,10 +2,15 @@ class Hash # Returns a new hash with the results of running +block+ once for every value. # The keys are unchanged. # - # { a: 1, b: 2, c: 3 }.transform_values { |x| x * 2 } - # # => { a: 2, b: 4, c: 6 } + # { a: 1, b: 2, c: 3 }.transform_values { |x| x * 2 } # => { a: 2, b: 4, c: 6 } + # + # If you do not provide a +block+, it will return an Enumerator + # for chaining with other methods: + # + # { a: 1, b: 2 }.transform_values.with_index { |v, i| [v, i].join.to_i } # => { a: 10, b: 21 } def transform_values return enum_for(:transform_values) unless block_given? + return {} if empty? result = self.class.new each do |key, value| result[key] = yield(value) @@ -13,7 +18,8 @@ class Hash result end - # Destructive +transform_values+ + # Destructively converts all values using the +block+ operations. + # Same as +transform_values+ but modifies +self+. def transform_values! return enum_for(:transform_values!) unless block_given? each do |key, value| diff --git a/activesupport/lib/active_support/core_ext/integer/time.rb b/activesupport/lib/active_support/core_ext/integer/time.rb index 82080ffe51..87185b024f 100644 --- a/activesupport/lib/active_support/core_ext/integer/time.rb +++ b/activesupport/lib/active_support/core_ext/integer/time.rb @@ -17,28 +17,13 @@ class Integer # # # equivalent to Time.now.advance(months: 4, years: 5) # (4.months + 5.years).from_now - # - # While these methods provide precise calculation when used as in the examples - # above, care should be taken to note that this is not true if the result of - # +months+, +years+, etc is converted before use: - # - # # equivalent to 30.days.to_i.from_now - # 1.month.to_i.from_now - # - # # equivalent to 365.25.days.to_f.from_now - # 1.year.to_f.from_now - # - # In such cases, Ruby's core - # Date[http://ruby-doc.org/stdlib/libdoc/date/rdoc/Date.html] and - # Time[http://ruby-doc.org/stdlib/libdoc/time/rdoc/Time.html] should be used for precision - # date and time arithmetic. def months ActiveSupport::Duration.new(self * 30.days, [[:months, self]]) end alias :month :months def years - ActiveSupport::Duration.new(self * 365.25.days, [[:years, self]]) + ActiveSupport::Duration.new(self * 365.25.days.to_i, [[:years, self]]) end alias :year :years end diff --git a/activesupport/lib/active_support/core_ext/kernel.rb b/activesupport/lib/active_support/core_ext/kernel.rb index 293a3b2619..364ed9d65f 100644 --- a/activesupport/lib/active_support/core_ext/kernel.rb +++ b/activesupport/lib/active_support/core_ext/kernel.rb @@ -1,5 +1,4 @@ require 'active_support/core_ext/kernel/agnostics' require 'active_support/core_ext/kernel/concern' -require 'active_support/core_ext/kernel/debugger' if RUBY_VERSION < '2.0.0' require 'active_support/core_ext/kernel/reporting' require 'active_support/core_ext/kernel/singleton_class' diff --git a/activesupport/lib/active_support/core_ext/kernel/debugger.rb b/activesupport/lib/active_support/core_ext/kernel/debugger.rb index 2073cac98d..1fde3db070 100644 --- a/activesupport/lib/active_support/core_ext/kernel/debugger.rb +++ b/activesupport/lib/active_support/core_ext/kernel/debugger.rb @@ -1,10 +1,3 @@ -module Kernel - unless respond_to?(:debugger) - # Starts a debugging session if the +debugger+ gem has been loaded (call rails server --debugger to do load it). - def debugger - message = "\n***** Debugger requested, but was not available (ensure the debugger gem is listed in Gemfile/installed as gem): Start server with --debugger to enable *****\n" - defined?(Rails) ? Rails.logger.info(message) : $stderr.puts(message) - end - alias breakpoint debugger unless respond_to?(:breakpoint) - end -end +require 'active_support/deprecation' + +ActiveSupport::Deprecation.warn("This file is deprecated and will be removed in Rails 5.1 with no replacement.") diff --git a/activesupport/lib/active_support/core_ext/kernel/reporting.rb b/activesupport/lib/active_support/core_ext/kernel/reporting.rb index 80c531b694..8afc258df8 100644 --- a/activesupport/lib/active_support/core_ext/kernel/reporting.rb +++ b/activesupport/lib/active_support/core_ext/kernel/reporting.rb @@ -1,6 +1,3 @@ -require 'rbconfig' -require 'tempfile' - module Kernel # Sets $VERBOSE to nil for the duration of the block and back to its original # value afterwards. @@ -29,34 +26,6 @@ module Kernel $VERBOSE = old_verbose end - # For compatibility - def silence_stderr #:nodoc: - ActiveSupport::Deprecation.warn( - "#silence_stderr is deprecated and will be removed in the next release" - ) #not thread-safe - silence_stream(STDERR) { yield } - end - - # Deprecated : this method is not thread safe - # Silences any stream for the duration of the block. - # - # silence_stream(STDOUT) do - # puts 'This will never be seen' - # end - # - # puts 'But this will' - # - # This method is not thread-safe. - def silence_stream(stream) - old_stream = stream.dup - stream.reopen(RbConfig::CONFIG['host_os'] =~ /mswin|mingw/ ? 'NUL:' : '/dev/null') - stream.sync = true - yield - ensure - stream.reopen(old_stream) - old_stream.close - end - # Blocks and ignores any exception passed as argument if raised within the block. # # suppress(ZeroDivisionError) do @@ -69,56 +38,4 @@ module Kernel yield rescue *exception_classes end - - # Captures the given stream and returns it: - # - # stream = capture(:stdout) { puts 'notice' } - # stream # => "notice\n" - # - # stream = capture(:stderr) { warn 'error' } - # stream # => "error\n" - # - # even for subprocesses: - # - # stream = capture(:stdout) { system('echo notice') } - # stream # => "notice\n" - # - # stream = capture(:stderr) { system('echo error 1>&2') } - # stream # => "error\n" - def capture(stream) - ActiveSupport::Deprecation.warn( - "#capture(stream) is deprecated and will be removed in the next release" - ) #not thread-safe - stream = stream.to_s - captured_stream = Tempfile.new(stream) - stream_io = eval("$#{stream}") - origin_stream = stream_io.dup - stream_io.reopen(captured_stream) - - yield - - stream_io.rewind - return captured_stream.read - ensure - captured_stream.close - captured_stream.unlink - stream_io.reopen(origin_stream) - end - alias :silence :capture - - # Silences both STDOUT and STDERR, even for subprocesses. - # - # quietly { system 'bundle install' } - # - # This method is not thread-safe. - def quietly - ActiveSupport::Deprecation.warn( - "#quietly is deprecated and will be removed in the next release" - ) #not thread-safe - silence_stream(STDOUT) do - silence_stream(STDERR) do - yield - end - end - end end diff --git a/activesupport/lib/active_support/core_ext/load_error.rb b/activesupport/lib/active_support/core_ext/load_error.rb index 768b980f21..60732eb41a 100644 --- a/activesupport/lib/active_support/core_ext/load_error.rb +++ b/activesupport/lib/active_support/core_ext/load_error.rb @@ -1,3 +1,5 @@ +require 'active_support/deprecation/proxy_wrappers' + class LoadError REGEXPS = [ /^no such file to load -- (.+)$/i, @@ -21,8 +23,8 @@ class LoadError # Returns true if the given path name (except perhaps for the ".rb" # extension) is the missing file which caused the exception to be raised. def is_missing?(location) - location.sub(/\.rb$/, '') == path.sub(/\.rb$/, '') + location.sub(/\.rb$/, ''.freeze) == path.sub(/\.rb$/, ''.freeze) end end -MissingSourceFile = LoadError +MissingSourceFile = ActiveSupport::Deprecation::DeprecatedConstantProxy.new('MissingSourceFile', 'LoadError') diff --git a/activesupport/lib/active_support/core_ext/marshal.rb b/activesupport/lib/active_support/core_ext/marshal.rb index 56c79c04bd..e333b26133 100644 --- a/activesupport/lib/active_support/core_ext/marshal.rb +++ b/activesupport/lib/active_support/core_ext/marshal.rb @@ -1,21 +1,19 @@ -require 'active_support/core_ext/module/aliasing' - -module Marshal - class << self - def load_with_autoloading(source) - load_without_autoloading(source) +module ActiveSupport + module MarshalWithAutoloading # :nodoc: + def load(source) + super(source) rescue ArgumentError, NameError => exc if exc.message.match(%r|undefined class/module (.+)|) # try loading the class/module $1.constantize - # if it is a IO we need to go back to read the object + # if it is an IO we need to go back to read the object source.rewind if source.respond_to?(:rewind) retry else raise exc end end - - alias_method_chain :load, :autoloading end end + +Marshal.singleton_class.prepend(ActiveSupport::MarshalWithAutoloading) diff --git a/activesupport/lib/active_support/core_ext/module/aliasing.rb b/activesupport/lib/active_support/core_ext/module/aliasing.rb index 580cb80413..b6934b9c54 100644 --- a/activesupport/lib/active_support/core_ext/module/aliasing.rb +++ b/activesupport/lib/active_support/core_ext/module/aliasing.rb @@ -1,4 +1,7 @@ class Module + # NOTE: This method is deprecated. Please use <tt>Module#prepend</tt> that + # comes with Ruby 2.0 or newer instead. + # # Encapsulates the common pattern of: # # alias_method :foo_without_feature, :foo @@ -19,9 +22,11 @@ class Module # alias_method :foo_without_feature?, :foo? # alias_method :foo?, :foo_with_feature? # - # so you can safely chain foo, foo?, and foo! with the same feature. + # so you can safely chain foo, foo?, foo! and/or foo= with the same feature. def alias_method_chain(target, feature) - # Strip out punctuation on predicates or bang methods since + ActiveSupport::Deprecation.warn("alias_method_chain is deprecated. Please, use Module#prepend instead. From module, you can access the original method using super.") + + # Strip out punctuation on predicates, bang or writer methods since # e.g. target?_without_feature is not a valid method name. aliased_target, punctuation = target.to_s.sub(/([?!=])$/, ''), $1 yield(aliased_target, punctuation) if block_given? @@ -43,7 +48,7 @@ class Module end # Allows you to make aliases for attributes, which includes - # getter, setter, and query methods. + # getter, setter, and a predicate. # # class Content < ActiveRecord::Base # # has a title attribute diff --git a/activesupport/lib/active_support/core_ext/module/anonymous.rb b/activesupport/lib/active_support/core_ext/module/anonymous.rb index b0c7b021db..510c9a5430 100644 --- a/activesupport/lib/active_support/core_ext/module/anonymous.rb +++ b/activesupport/lib/active_support/core_ext/module/anonymous.rb @@ -7,12 +7,21 @@ class Module # m = Module.new # m.name # => nil # + # +anonymous?+ method returns true if module does not have a name, false otherwise: + # + # Module.new.anonymous? # => true + # + # module M; end + # M.anonymous? # => false + # # A module gets a name when it is first assigned to a constant. Either # via the +module+ or +class+ keyword or by an explicit assignment: # # m = Module.new # creates an anonymous module - # M = m # => m gets a name here as a side-effect + # m.anonymous? # => true + # M = m # m gets a name here as a side-effect # m.name # => "M" + # m.anonymous? # => false def anonymous? name.nil? end diff --git a/activesupport/lib/active_support/core_ext/module/attr_internal.rb b/activesupport/lib/active_support/core_ext/module/attr_internal.rb index 67f0e0335d..93fb598650 100644 --- a/activesupport/lib/active_support/core_ext/module/attr_internal.rb +++ b/activesupport/lib/active_support/core_ext/module/attr_internal.rb @@ -27,11 +27,8 @@ class Module def attr_internal_define(attr_name, type) internal_name = attr_internal_ivar_name(attr_name).sub(/\A@/, '') - # class_eval is necessary on 1.9 or else the methods are made private - class_eval do - # use native attr_* methods as they are faster on some Ruby implementations - send("attr_#{type}", internal_name) - end + # use native attr_* methods as they are faster on some Ruby implementations + send("attr_#{type}", internal_name) attr_name, internal_name = "#{attr_name}=", "#{internal_name}=" if type == :writer alias_method attr_name, internal_name remove_method internal_name diff --git a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb index d317df5079..bf175a8a70 100644 --- a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb +++ b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb @@ -19,9 +19,9 @@ class Module # The attribute name must be a valid method name in Ruby. # # module Foo - # mattr_reader :"1_Badname " + # mattr_reader :"1_Badname" # end - # # => NameError: invalid attribute name + # # => NameError: invalid attribute name: 1_Badname # # If you want to opt out the creation on the instance reader method, pass # <tt>instance_reader: false</tt> or <tt>instance_accessor: false</tt>. @@ -53,7 +53,7 @@ class Module def mattr_reader(*syms) options = syms.extract_options! syms.each do |sym| - raise NameError.new("invalid attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/ + raise NameError.new("invalid attribute name: #{sym}") unless sym =~ /\A[_A-Za-z]\w*\z/ class_eval(<<-EOS, __FILE__, __LINE__ + 1) @@#{sym} = nil unless defined? @@#{sym} @@ -119,7 +119,7 @@ class Module def mattr_writer(*syms) options = syms.extract_options! syms.each do |sym| - raise NameError.new("invalid attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/ + raise NameError.new("invalid attribute name: #{sym}") unless sym =~ /\A[_A-Za-z]\w*\z/ class_eval(<<-EOS, __FILE__, __LINE__ + 1) @@#{sym} = nil unless defined? @@#{sym} @@ -203,10 +203,10 @@ class Module # include HairColors # end # - # Person.class_variable_get("@@hair_colors") #=> [:brown, :black, :blonde, :red] + # Person.class_variable_get("@@hair_colors") # => [:brown, :black, :blonde, :red] def mattr_accessor(*syms, &blk) mattr_reader(*syms, &blk) - mattr_writer(*syms, &blk) + mattr_writer(*syms) end alias :cattr_accessor :mattr_accessor end diff --git a/activesupport/lib/active_support/core_ext/module/concerning.rb b/activesupport/lib/active_support/core_ext/module/concerning.rb index 07a392404e..65b88b9bbd 100644 --- a/activesupport/lib/active_support/core_ext/module/concerning.rb +++ b/activesupport/lib/active_support/core_ext/module/concerning.rb @@ -63,10 +63,10 @@ class Module # # == Mix-in noise exiled to its own file: # - # Once our chunk of behavior starts pushing the scroll-to-understand it's + # Once our chunk of behavior starts pushing the scroll-to-understand-it # boundary, we give in and move it to a separate file. At this size, the - # overhead feels in good proportion to the size of our extraction, despite - # diluting our at-a-glance sense of how things really work. + # increased overhead can be a reasonable tradeoff even if it reduces our + # at-a-glance perception of how things work. # # class Todo # # Other todo implementation @@ -99,7 +99,7 @@ class Module # end # # Todo.ancestors - # # => Todo, Todo::EventTracking, Object + # # => [Todo, Todo::EventTracking, Object] # # This small step has some wonderful ripple effects. We can # * grok the behavior of our class in one glance, diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index e926392952..0d46248582 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -1,15 +1,24 @@ +require 'set' + class Module # Error generated by +delegate+ when a method is called on +nil+ and +allow_nil+ # option is not used. class DelegationError < NoMethodError; end + DELEGATION_RESERVED_METHOD_NAMES = Set.new( + %w(_ arg args alias and BEGIN begin block break case class def defined? do + else elsif END end ensure false for if in module next nil not or redo + rescue retry return self super then true undef unless until when while + yield) + ).freeze + # Provides a +delegate+ class method to easily expose contained objects' # public methods as your own. # # ==== Options # * <tt>:to</tt> - Specifies the target object # * <tt>:prefix</tt> - Prefixes the new method with the target name or a custom prefix - # * <tt>:allow_nil</tt> - if set to true, prevents a +NoMethodError+ to be raised + # * <tt>:allow_nil</tt> - if set to true, prevents a +NoMethodError+ from being raised # # 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 @@ -159,11 +168,11 @@ class Module '' end - file, line = caller.first.split(':', 2) + file, line = caller(1, 1).first.split(':'.freeze, 2) line = line.to_i to = to.to_s - to = 'self.class' if to == 'class' + to = "self.#{to}" if DELEGATION_RESERVED_METHOD_NAMES.include?(to) methods.each do |method| # Attribute writer methods only accept one argument. Makes sure []= @@ -177,19 +186,31 @@ class Module # On the other hand it could be that the target has side-effects, # whereas conceptually, from the user point of view, the delegator should # be doing one call. - - exception = %(raise DelegationError, "#{self}##{method_prefix}#{method} delegated to #{to}.#{method}, but #{to} is nil: \#{self.inspect}") - - method_def = [ - "def #{method_prefix}#{method}(#{definition})", - " _ = #{to}", - " if !_.nil? || nil.respond_to?(:#{method})", - " _.#{method}(#{definition})", - " else", - " #{exception unless allow_nil}", - " end", + if allow_nil + method_def = [ + "def #{method_prefix}#{method}(#{definition})", + "_ = #{to}", + "if !_.nil? || nil.respond_to?(:#{method})", + " _.#{method}(#{definition})", + "end", "end" - ].join ';' + ].join ';' + else + exception = %(raise DelegationError, "#{self}##{method_prefix}#{method} delegated to #{to}.#{method}, but #{to} is nil: \#{self.inspect}") + + method_def = [ + "def #{method_prefix}#{method}(#{definition})", + " _ = #{to}", + " _.#{method}(#{definition})", + "rescue NoMethodError => e", + " if _.nil? && e.name == :#{method}", + " #{exception}", + " else", + " raise", + " end", + "end" + ].join ';' + end module_eval(method_def, file, line) end diff --git a/activesupport/lib/active_support/core_ext/module/method_transplanting.rb b/activesupport/lib/active_support/core_ext/module/method_transplanting.rb index b1097cc83b..1fde3db070 100644 --- a/activesupport/lib/active_support/core_ext/module/method_transplanting.rb +++ b/activesupport/lib/active_support/core_ext/module/method_transplanting.rb @@ -1,11 +1,3 @@ -class Module - ### - # TODO: remove this after 1.9 support is dropped - def methods_transplantable? # :nodoc: - x = Module.new { def foo; end } - Module.new { define_method :bar, x.instance_method(:foo) } - true - rescue TypeError - false - end -end +require 'active_support/deprecation' + +ActiveSupport::Deprecation.warn("This file is deprecated and will be removed in Rails 5.1 with no replacement.") diff --git a/activesupport/lib/active_support/core_ext/module/remove_method.rb b/activesupport/lib/active_support/core_ext/module/remove_method.rb index 719071d1c2..d5ec16d68a 100644 --- a/activesupport/lib/active_support/core_ext/module/remove_method.rb +++ b/activesupport/lib/active_support/core_ext/module/remove_method.rb @@ -1,12 +1,35 @@ class Module + # Removes the named method, if it exists. def remove_possible_method(method) if method_defined?(method) || private_method_defined?(method) undef_method(method) end end + # Removes the named singleton method, if it exists. + def remove_possible_singleton_method(method) + singleton_class.instance_eval do + remove_possible_method(method) + end + end + + # Replaces the existing method definition, if there is one, with the passed + # block as its body. def redefine_method(method, &block) + visibility = method_visibility(method) remove_possible_method(method) define_method(method, &block) + send(visibility, method) + end + + def method_visibility(method) # :nodoc: + case + when private_method_defined?(method) + :private + when protected_method_defined?(method) + :protected + else + :public + end end end diff --git a/activesupport/lib/active_support/core_ext/name_error.rb b/activesupport/lib/active_support/core_ext/name_error.rb index e1ebd4f91c..6b447d772b 100644 --- a/activesupport/lib/active_support/core_ext/name_error.rb +++ b/activesupport/lib/active_support/core_ext/name_error.rb @@ -1,5 +1,12 @@ class NameError # Extract the name of the missing constant from the exception message. + # + # begin + # HelloWorld + # rescue NameError => e + # e.missing_name + # end + # # => "HelloWorld" def missing_name if /undefined local variable or method/ !~ message $1 if /((::)?([A-Z]\w*)(::[A-Z]\w*)*)$/ =~ message @@ -7,10 +14,16 @@ class NameError end # Was this exception raised because the given name was missing? + # + # begin + # HelloWorld + # rescue NameError => e + # e.missing_name?("HelloWorld") + # end + # # => true def missing_name?(name) if name.is_a? Symbol - last_name = (missing_name || '').split('::').last - last_name == name.to_s + self.name == name else missing_name == name.to_s end diff --git a/activesupport/lib/active_support/core_ext/numeric.rb b/activesupport/lib/active_support/core_ext/numeric.rb index a6bc0624be..bcdc3eace2 100644 --- a/activesupport/lib/active_support/core_ext/numeric.rb +++ b/activesupport/lib/active_support/core_ext/numeric.rb @@ -1,3 +1,4 @@ require 'active_support/core_ext/numeric/bytes' require 'active_support/core_ext/numeric/time' +require 'active_support/core_ext/numeric/inquiry' require 'active_support/core_ext/numeric/conversions' diff --git a/activesupport/lib/active_support/core_ext/numeric/bytes.rb b/activesupport/lib/active_support/core_ext/numeric/bytes.rb index deea8e9358..dfbca32474 100644 --- a/activesupport/lib/active_support/core_ext/numeric/bytes.rb +++ b/activesupport/lib/active_support/core_ext/numeric/bytes.rb @@ -7,36 +7,56 @@ class Numeric EXABYTE = PETABYTE * 1024 # Enables the use of byte calculations and declarations, like 45.bytes + 2.6.megabytes + # + # 2.bytes # => 2 def bytes self end alias :byte :bytes + # Returns the number of bytes equivalent to the kilobytes provided. + # + # 2.kilobytes # => 2048 def kilobytes self * KILOBYTE end alias :kilobyte :kilobytes + # Returns the number of bytes equivalent to the megabytes provided. + # + # 2.megabytes # => 2_097_152 def megabytes self * MEGABYTE end alias :megabyte :megabytes + # Returns the number of bytes equivalent to the gigabytes provided. + # + # 2.gigabytes # => 2_147_483_648 def gigabytes self * GIGABYTE end alias :gigabyte :gigabytes + # Returns the number of bytes equivalent to the terabytes provided. + # + # 2.terabytes # => 2_199_023_255_552 def terabytes self * TERABYTE end alias :terabyte :terabytes + # Returns the number of bytes equivalent to the petabytes provided. + # + # 2.petabytes # => 2_251_799_813_685_248 def petabytes self * PETABYTE end alias :petabyte :petabytes + # Returns the number of bytes equivalent to the exabytes provided. + # + # 2.exabytes # => 2_305_843_009_213_693_952 def exabytes self * EXABYTE end diff --git a/activesupport/lib/active_support/core_ext/numeric/conversions.rb b/activesupport/lib/active_support/core_ext/numeric/conversions.rb index 6d3635c69a..9a3651f29a 100644 --- a/activesupport/lib/active_support/core_ext/numeric/conversions.rb +++ b/activesupport/lib/active_support/core_ext/numeric/conversions.rb @@ -1,7 +1,7 @@ require 'active_support/core_ext/big_decimal/conversions' require 'active_support/number_helper' -class Numeric +module ActiveSupport::NumericWithFormat # Provides options for converting numbers into formatted strings. # Options are provided for phone numbers, currency, percentage, @@ -41,7 +41,7 @@ class Numeric # 1000.to_s(:percentage, delimiter: '.', separator: ',') # => 1.000,000% # 302.24398923423.to_s(:percentage, precision: 5) # => 302.24399% # 1000.to_s(:percentage, locale: :fr) # => 1 000,000% - # 100.to_s(:percentage, format: '%n %') # => 100 % + # 100.to_s(:percentage, format: '%n %') # => 100.000 % # # Delimited: # 12345678.to_s(:delimited) # => 12,345,678 @@ -78,7 +78,7 @@ class Numeric # 1234567.to_s(:human_size, precision: 2) # => 1.2 MB # 483989.to_s(:human_size, precision: 2) # => 470 KB # 1234567.to_s(:human_size, precision: 2, separator: ',') # => 1,2 MB - # 1234567890123.to_s(:human_size, precision: 5) # => "1.1229 TB" + # 1234567890123.to_s(:human_size, precision: 5) # => "1.1228 TB" # 524288000.to_s(:human_size, precision: 5) # => "500 MB" # # Human-friendly format: @@ -97,7 +97,10 @@ class Numeric # 1234567.to_s(:human, precision: 1, # separator: ',', # significant: false) # => "1,2 Million" - def to_formatted_s(format = :default, options = {}) + def to_s(*args) + format, options = args + options ||= {} + case format when :phone return ActiveSupport::NumberHelper.number_to_phone(self, options) @@ -114,22 +117,16 @@ class Numeric when :human_size return ActiveSupport::NumberHelper.number_to_human_size(self, options) else - self.to_default_s + super end end - [Float, Fixnum, Bignum, BigDecimal].each do |klass| - klass.send(:alias_method, :to_default_s, :to_s) - - klass.send(:define_method, :to_s) do |*args| - if args[0].is_a?(Symbol) - format = args[0] - options = args[1] || {} - - self.to_formatted_s(format, options) - else - to_default_s(*args) - end - end + def to_formatted_s(*args) + to_s(*args) end + deprecate to_formatted_s: :to_s +end + +[Fixnum, Bignum, Float, BigDecimal].each do |klass| + klass.prepend(ActiveSupport::NumericWithFormat) end diff --git a/activesupport/lib/active_support/core_ext/numeric/inquiry.rb b/activesupport/lib/active_support/core_ext/numeric/inquiry.rb new file mode 100644 index 0000000000..7e7ac1b0b2 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/numeric/inquiry.rb @@ -0,0 +1,26 @@ +unless 1.respond_to?(:positive?) # TODO: Remove this file when we drop support to ruby < 2.3 +class Numeric + # Returns true if the number is positive. + # + # 1.positive? # => true + # 0.positive? # => false + # -1.positive? # => false + def positive? + self > 0 + end + + # Returns true if the number is negative. + # + # -1.negative? # => true + # 0.negative? # => false + # 1.negative? # => false + def negative? + self < 0 + end +end + +class Complex + undef :positive? + undef :negative? +end +end diff --git a/activesupport/lib/active_support/core_ext/numeric/time.rb b/activesupport/lib/active_support/core_ext/numeric/time.rb index 689fae4830..6c4a975495 100644 --- a/activesupport/lib/active_support/core_ext/numeric/time.rb +++ b/activesupport/lib/active_support/core_ext/numeric/time.rb @@ -1,6 +1,8 @@ require 'active_support/duration' require 'active_support/core_ext/time/calculations' require 'active_support/core_ext/time/acts_like' +require 'active_support/core_ext/date/calculations' +require 'active_support/core_ext/date/acts_like' class Numeric # Enables the use of time calculations and declarations, like 45.minutes + 2.hours + 4.years. @@ -16,53 +18,56 @@ class Numeric # # # equivalent to Time.current.advance(months: 4, years: 5) # (4.months + 5.years).from_now - # - # While these methods provide precise calculation when used as in the examples above, care - # should be taken to note that this is not true if the result of `months', `years', etc is - # converted before use: - # - # # equivalent to 30.days.to_i.from_now - # 1.month.to_i.from_now - # - # # equivalent to 365.25.days.to_f.from_now - # 1.year.to_f.from_now - # - # In such cases, Ruby's core - # Date[http://ruby-doc.org/stdlib/libdoc/date/rdoc/Date.html] and - # Time[http://ruby-doc.org/stdlib/libdoc/time/rdoc/Time.html] should be used for precision - # date and time arithmetic. def seconds ActiveSupport::Duration.new(self, [[:seconds, self]]) end alias :second :seconds + # Returns a Duration instance matching the number of minutes provided. + # + # 2.minutes # => 120 seconds def minutes ActiveSupport::Duration.new(self * 60, [[:seconds, self * 60]]) end alias :minute :minutes + # Returns a Duration instance matching the number of hours provided. + # + # 2.hours # => 7_200 seconds def hours ActiveSupport::Duration.new(self * 3600, [[:seconds, self * 3600]]) end alias :hour :hours + # Returns a Duration instance matching the number of days provided. + # + # 2.days # => 2 days def days ActiveSupport::Duration.new(self * 24.hours, [[:days, self]]) end alias :day :days + # Returns a Duration instance matching the number of weeks provided. + # + # 2.weeks # => 14 days def weeks ActiveSupport::Duration.new(self * 7.days, [[:days, self * 7]]) end alias :week :weeks + # Returns a Duration instance matching the number of fortnights provided. + # + # 2.fortnights # => 28 days def fortnights ActiveSupport::Duration.new(self * 2.weeks, [[:days, self * 14]]) end alias :fortnight :fortnights + # Returns the number of milliseconds equivalent to the seconds provided. # Used with the standard time durations, like 1.hour.in_milliseconds -- # so we can feed them to JavaScript functions like getTime(). + # + # 2.in_milliseconds # => 2_000 def in_milliseconds self * 1000 end diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb index 38e43478df..039c50a4a2 100644 --- a/activesupport/lib/active_support/core_ext/object/blank.rb +++ b/activesupport/lib/active_support/core_ext/object/blank.rb @@ -1,12 +1,10 @@ -# encoding: utf-8 - class Object # An object is blank if it's false, empty, or a whitespace string. - # For example, '', ' ', +nil+, [], and {} are all blank. + # For example, +false+, '', ' ', +nil+, [], and {} are all blank. # # This simplifies # - # address.nil? || address.empty? + # !address || address.empty? # # to # @@ -129,3 +127,14 @@ class Numeric #:nodoc: false end end + +class Time #:nodoc: + # No Time is blank: + # + # Time.now.blank? # => false + # + # @return [false] + def blank? + false + end +end diff --git a/activesupport/lib/active_support/core_ext/object/deep_dup.rb b/activesupport/lib/active_support/core_ext/object/deep_dup.rb index 2e99f4a1b8..8dfeed0066 100644 --- a/activesupport/lib/active_support/core_ext/object/deep_dup.rb +++ b/activesupport/lib/active_support/core_ext/object/deep_dup.rb @@ -25,7 +25,7 @@ class Array # array[1][2] # => nil # dup[1][2] # => 4 def deep_dup - map { |it| it.deep_dup } + map(&:deep_dup) end end @@ -39,8 +39,15 @@ class Hash # hash[:a][:c] # => nil # dup[:a][:c] # => "c" def deep_dup - each_with_object(dup) do |(key, value), hash| - hash[key.deep_dup] = value.deep_dup + hash = dup + each_pair do |key, value| + if key.frozen? && ::String === key + hash[key] = value.deep_dup + else + hash.delete(key) + hash[key.deep_dup] = value.deep_dup + end end + hash end end diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb index c5d59128e5..befa5aee21 100644 --- a/activesupport/lib/active_support/core_ext/object/duplicable.rb +++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb @@ -19,7 +19,7 @@ class Object # Can you safely dup this object? # - # False for +nil+, +false+, +true+, symbol, number and BigDecimal(in 1.9.x) objects; + # False for +nil+, +false+, +true+, symbol, number, method objects; # true otherwise. def duplicable? true @@ -78,16 +78,21 @@ end require 'bigdecimal' class BigDecimal - # Needed to support Ruby 1.9.x, as it doesn't allow dup on BigDecimal, instead - # raises TypeError exception. Checking here on the runtime whether BigDecimal - # will allow dup or not. - begin - BigDecimal.new('4.56').dup + # BigDecimals are duplicable: + # + # BigDecimal.new("1.2").duplicable? # => true + # BigDecimal.new("1.2").dup # => #<BigDecimal:...,'0.12E1',18(18)> + def duplicable? + true + end +end - def duplicable? - true - end - rescue TypeError - # can't dup, so use superclass implementation +class Method + # Methods are not duplicable: + # + # method(:puts).duplicable? # => false + # method(:puts).dup # => TypeError: allocator undefined for Method + def duplicable? + false end end diff --git a/activesupport/lib/active_support/core_ext/object/inclusion.rb b/activesupport/lib/active_support/core_ext/object/inclusion.rb index 55f281b213..d4c17dfb07 100644 --- a/activesupport/lib/active_support/core_ext/object/inclusion.rb +++ b/activesupport/lib/active_support/core_ext/object/inclusion.rb @@ -5,7 +5,7 @@ class Object # characters = ["Konata", "Kagami", "Tsukasa"] # "Konata".in?(characters) # => true # - # This will throw an ArgumentError if the argument doesn't respond + # This will throw an +ArgumentError+ if the argument doesn't respond # to +#include?+. def in?(another_object) another_object.include?(self) @@ -18,7 +18,7 @@ class Object # # params[:bucket_type].presence_in %w( project calendar ) # - # This will throw an ArgumentError if the argument doesn't respond to +#include?+. + # This will throw an +ArgumentError+ if the argument doesn't respond to +#include?+. # # @return [Object] def presence_in(another_object) diff --git a/activesupport/lib/active_support/core_ext/object/instance_variables.rb b/activesupport/lib/active_support/core_ext/object/instance_variables.rb index 755e1c6b16..593a7a4940 100644 --- a/activesupport/lib/active_support/core_ext/object/instance_variables.rb +++ b/activesupport/lib/active_support/core_ext/object/instance_variables.rb @@ -23,6 +23,6 @@ class Object # # C.new(0, 1).instance_variable_names # => ["@y", "@x"] def instance_variable_names - instance_variables.map { |var| var.to_s } + instance_variables.map(&:to_s) end end diff --git a/activesupport/lib/active_support/core_ext/object/json.rb b/activesupport/lib/active_support/core_ext/object/json.rb index 698b2d1920..0db787010c 100644 --- a/activesupport/lib/active_support/core_ext/object/json.rb +++ b/activesupport/lib/active_support/core_ext/object/json.rb @@ -9,7 +9,6 @@ require 'time' require 'active_support/core_ext/time/conversions' require 'active_support/core_ext/date_time/conversions' require 'active_support/core_ext/date/conversions' -require 'active_support/core_ext/module/aliasing' # The JSON gem adds a few modules to Ruby core classes containing :to_json definition, overwriting # their default behavior. That said, we need to define the basic to_json method in all of them, @@ -26,22 +25,25 @@ require 'active_support/core_ext/module/aliasing' # bypassed completely. This means that as_json won't be invoked and the JSON gem will simply # ignore any options it does not natively understand. This also means that ::JSON.{generate,dump} # should give exactly the same results with or without active support. -[Object, Array, FalseClass, Float, Hash, Integer, NilClass, String, TrueClass, Enumerable].each do |klass| - klass.class_eval do - def to_json_with_active_support_encoder(options = nil) + +module ActiveSupport + module ToJsonWithActiveSupportEncoder # :nodoc: + def to_json(options = nil) if options.is_a?(::JSON::State) # Called from JSON.{generate,dump}, forward it to JSON gem's to_json - self.to_json_without_active_support_encoder(options) + super(options) else # to_json is being invoked directly, use ActiveSupport's encoder ActiveSupport::JSON.encode(self, options) end end - - alias_method_chain :to_json, :active_support_encoder end end +[Object, Array, FalseClass, Float, Hash, Integer, NilClass, String, TrueClass, Enumerable].reverse_each do |klass| + klass.prepend(ActiveSupport::ToJsonWithActiveSupportEncoder) +end + class Object def as_json(options = nil) #:nodoc: if respond_to?(:to_hash) diff --git a/activesupport/lib/active_support/core_ext/object/to_query.rb b/activesupport/lib/active_support/core_ext/object/to_query.rb index ccd568bbf5..ec5ace4e16 100644 --- a/activesupport/lib/active_support/core_ext/object/to_query.rb +++ b/activesupport/lib/active_support/core_ext/object/to_query.rb @@ -38,7 +38,7 @@ class Array # Calls <tt>to_param</tt> on all its elements and joins the result with # slashes. This is used by <tt>url_for</tt> in Action Pack. def to_param - collect { |e| e.to_param }.join '/' + collect(&:to_param).join '/' end # Converts an array into a string suitable for use as a URL query string, diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb index 48190e1e66..8c16d95b62 100644 --- a/activesupport/lib/active_support/core_ext/object/try.rb +++ b/activesupport/lib/active_support/core_ext/object/try.rb @@ -1,4 +1,34 @@ +require 'delegate' + +module ActiveSupport + module Tryable #:nodoc: + def try(*a, &b) + try!(*a, &b) if a.empty? || respond_to?(a.first) + end + + def try!(*a, &b) + if a.empty? && block_given? + if b.arity == 0 + instance_eval(&b) + else + yield self + end + else + public_send(*a, &b) + end + end + end +end + class Object + include ActiveSupport::Tryable + + ## + # :method: try + # + # :call-seq: + # try(*a, &b) + # # Invokes the public method whose name goes as first argument just like # +public_send+ does, except that if the receiver does not respond to it the # call returns +nil+ rather than raising an exception. @@ -9,7 +39,23 @@ class Object # # instead of # - # @person ? @person.name : nil + # @person.name if @person + # + # +try+ calls can be chained: + # + # @person.try(:spouse).try(:name) + # + # instead of + # + # @person.spouse.name if @person && @person.spouse + # + # +try+ will also return +nil+ if the receiver does not respond to the method: + # + # @person.try(:non_existing_method) # => nil + # + # instead of + # + # @person.non_existing_method if @person.respond_to?(:non_existing_method) # => nil # # +try+ returns +nil+ when called on +nil+ regardless of whether it responds # to the method: @@ -24,7 +70,7 @@ class Object # # The number of arguments in the signature must match. If the object responds # to the method the call is attempted and +ArgumentError+ is still raised - # otherwise. + # in case of argument mismatch. # # If +try+ is called without arguments it yields the receiver to a given # block unless it is +nil+: @@ -33,38 +79,57 @@ class Object # ... # end # - # Please also note that +try+ is defined on +Object+, therefore it won't work + # You can also call try with a block without accepting an argument, and the block + # will be instance_eval'ed instead: + # + # @person.try { upcase.truncate(50) } + # + # Please also note that +try+ is defined on +Object+. Therefore, it won't work # with instances of classes that do not have +Object+ among their ancestors, - # like direct subclasses of +BasicObject+. For example, using +try+ with - # +SimpleDelegator+ will delegate +try+ to the target instead of calling it on - # delegator itself. - def try(*a, &b) - if a.empty? && block_given? - yield self - else - public_send(*a, &b) if respond_to?(a.first) - end - end + # like direct subclasses of +BasicObject+. - # Same as #try, but will raise a NoMethodError exception if the receiving is not nil and - # does not implement the tried method. - def try!(*a, &b) - if a.empty? && block_given? - yield self - else - public_send(*a, &b) - end - end + ## + # :method: try! + # + # :call-seq: + # try!(*a, &b) + # + # Same as #try, but raises a +NoMethodError+ exception if the receiver is + # not +nil+ and does not implement the tried method. + # + # "a".try!(:upcase) # => "A" + # nil.try!(:upcase) # => nil + # 123.try!(:upcase) # => NoMethodError: undefined method `upcase' for 123:Fixnum +end + +class Delegator + include ActiveSupport::Tryable + + ## + # :method: try + # + # :call-seq: + # try(a*, &b) + # + # See Object#try + + ## + # :method: try! + # + # :call-seq: + # try!(a*, &b) + # + # See Object#try! end class NilClass # Calling +try+ on +nil+ always returns +nil+. - # It becomes specially helpful when navigating through associations that may return +nil+. + # It becomes especially helpful when navigating through associations that may return +nil+. # # nil.try(:name) # => nil # # Without +try+ - # @person && !@person.children.blank? && @person.children.first.name + # @person && @person.children.any? && @person.children.first.name # # With +try+ # @person.try(:children).try(:first).try(:name) @@ -72,6 +137,9 @@ class NilClass nil end + # Calling +try!+ on +nil+ always returns +nil+. + # + # nil.try!(:name) # => nil def try!(*args) nil end diff --git a/activesupport/lib/active_support/core_ext/object/with_options.rb b/activesupport/lib/active_support/core_ext/object/with_options.rb index 42e87c4424..513c8b1d55 100644 --- a/activesupport/lib/active_support/core_ext/object/with_options.rb +++ b/activesupport/lib/active_support/core_ext/object/with_options.rb @@ -7,7 +7,7 @@ class Object # provided. Each method called on the block variable must take an options # hash as its final argument. # - # Without <tt>with_options></tt>, this code contains duplication: + # Without <tt>with_options</tt>, this code contains duplication: # # class Account < ActiveRecord::Base # has_many :customers, dependent: :destroy @@ -47,7 +47,21 @@ class Object # end # # <tt>with_options</tt> can also be nested since the call is forwarded to its receiver. - # Each nesting level will merge inherited defaults in addition to their own. + # + # NOTE: Each nesting level will merge inherited defaults in addition to their own. + # + # class Post < ActiveRecord::Base + # with_options if: :persisted?, length: { minimum: 50 } do + # validates :content, if: -> { content.present? } + # end + # end + # + # The code is equivalent to: + # + # validates :content, length: { minimum: 50 }, if: -> { content.present? } + # + # Hence the inherited default for `if` key is ignored. + # def with_options(options, &block) option_merger = ActiveSupport::OptionMerger.new(self, options) block.arity.zero? ? option_merger.instance_eval(&block) : block.call(option_merger) diff --git a/activesupport/lib/active_support/core_ext/range/conversions.rb b/activesupport/lib/active_support/core_ext/range/conversions.rb index b1a12781f3..83eced50bf 100644 --- a/activesupport/lib/active_support/core_ext/range/conversions.rb +++ b/activesupport/lib/active_support/core_ext/range/conversions.rb @@ -3,9 +3,24 @@ class Range :db => Proc.new { |start, stop| "BETWEEN '#{start.to_s(:db)}' AND '#{stop.to_s(:db)}'" } } - # Gives a human readable format of the range. + # Convert range to a formatted string. See RANGE_FORMATS for predefined formats. # - # (1..100).to_formatted_s # => "1..100" + # This method is aliased to <tt>to_s</tt>. + # + # range = (1..100) # => 1..100 + # + # range.to_formatted_s # => "1..100" + # range.to_s # => "1..100" + # + # range.to_formatted_s(:db) # => "BETWEEN '1' AND '100'" + # range.to_s(:db) # => "BETWEEN '1' AND '100'" + # + # == Adding your own range formats to to_formatted_s + # You can add your own formats to the Range::RANGE_FORMATS hash. + # Use the format name as the hash key and a Proc instance. + # + # # config/initializers/range_formats.rb + # Range::RANGE_FORMATS[:short] = ->(start, stop) { "Between #{start.to_s(:db)} and #{stop.to_s(:db)}" } def to_formatted_s(format = :default) if formatter = RANGE_FORMATS[format] formatter.call(first, last) diff --git a/activesupport/lib/active_support/core_ext/range/each.rb b/activesupport/lib/active_support/core_ext/range/each.rb index ecef78f55f..dc6dad5ced 100644 --- a/activesupport/lib/active_support/core_ext/range/each.rb +++ b/activesupport/lib/active_support/core_ext/range/each.rb @@ -1,23 +1,21 @@ -require 'active_support/core_ext/module/aliasing' +module ActiveSupport + module EachTimeWithZone #:nodoc: + def each(&block) + ensure_iteration_allowed + super + end -class Range #:nodoc: + def step(n = 1, &block) + ensure_iteration_allowed + super + end - def each_with_time_with_zone(&block) - ensure_iteration_allowed - each_without_time_with_zone(&block) - end - alias_method_chain :each, :time_with_zone + private - def step_with_time_with_zone(n = 1, &block) - ensure_iteration_allowed - step_without_time_with_zone(n, &block) - end - alias_method_chain :step, :time_with_zone - - private - def ensure_iteration_allowed - if first.is_a?(Time) - raise TypeError, "can't iterate from #{first.class}" - end + def ensure_iteration_allowed + raise TypeError, "can't iterate from #{first.class}" if first.is_a?(Time) + end end end + +Range.prepend(ActiveSupport::EachTimeWithZone) diff --git a/activesupport/lib/active_support/core_ext/range/include_range.rb b/activesupport/lib/active_support/core_ext/range/include_range.rb index 3a07401c8a..c69e1e3fb9 100644 --- a/activesupport/lib/active_support/core_ext/range/include_range.rb +++ b/activesupport/lib/active_support/core_ext/range/include_range.rb @@ -1,23 +1,23 @@ -require 'active_support/core_ext/module/aliasing' - -class Range - # Extends the default Range#include? to support range comparisons. - # (1..5).include?(1..5) # => true - # (1..5).include?(2..3) # => true - # (1..5).include?(2..6) # => false - # - # The native Range#include? behavior is untouched. - # ('a'..'f').include?('c') # => true - # (5..9).include?(11) # => false - def include_with_range?(value) - if value.is_a?(::Range) - # 1...10 includes 1..9 but it does not include 1..10. - operator = exclude_end? && !value.exclude_end? ? :< : :<= - include_without_range?(value.first) && value.last.send(operator, last) - else - include_without_range?(value) +module ActiveSupport + module IncludeWithRange #:nodoc: + # Extends the default Range#include? to support range comparisons. + # (1..5).include?(1..5) # => true + # (1..5).include?(2..3) # => true + # (1..5).include?(2..6) # => false + # + # The native Range#include? behavior is untouched. + # ('a'..'f').include?('c') # => true + # (5..9).include?(11) # => false + def include?(value) + if value.is_a?(::Range) + # 1...10 includes 1..9 but it does not include 1..10. + operator = exclude_end? && !value.exclude_end? ? :< : :<= + super(value.first) && value.last.send(operator, last) + else + super + end end end - - alias_method_chain :include?, :range end + +Range.prepend(ActiveSupport::IncludeWithRange) diff --git a/activesupport/lib/active_support/core_ext/securerandom.rb b/activesupport/lib/active_support/core_ext/securerandom.rb new file mode 100644 index 0000000000..98cf7430f7 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/securerandom.rb @@ -0,0 +1,23 @@ +require 'securerandom' + +module SecureRandom + BASE58_ALPHABET = ('0'..'9').to_a + ('A'..'Z').to_a + ('a'..'z').to_a - ['0', 'O', 'I', 'l'] + # SecureRandom.base58 generates a random base58 string. + # + # The argument _n_ specifies the length, of the random string to be generated. + # + # If _n_ is not specified or is nil, 16 is assumed. It may be larger in the future. + # + # The result may contain alphanumeric characters except 0, O, I and l + # + # p SecureRandom.base58 # => "4kUgL2pdQMSCQtjE" + # p SecureRandom.base58(24) # => "77TMHrHJFvFDwodq8w7Ev2m7" + # + def self.base58(n = 16) + SecureRandom.random_bytes(n).unpack("C*").map do |byte| + idx = byte % 64 + idx = SecureRandom.random_number(58) if idx >= 58 + BASE58_ALPHABET[idx] + end.join + end +end diff --git a/activesupport/lib/active_support/core_ext/string/behavior.rb b/activesupport/lib/active_support/core_ext/string/behavior.rb index 4aa960039b..710f1f4670 100644 --- a/activesupport/lib/active_support/core_ext/string/behavior.rb +++ b/activesupport/lib/active_support/core_ext/string/behavior.rb @@ -1,5 +1,5 @@ class String - # Enable more predictable duck-typing on String-like classes. See <tt>Object#acts_like?</tt>. + # Enables more predictable duck-typing on String-like classes. See <tt>Object#acts_like?</tt>. def acts_like_string? true end diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb index 3e0cb8a7ac..fd79a40e31 100644 --- a/activesupport/lib/active_support/core_ext/string/conversions.rb +++ b/activesupport/lib/active_support/core_ext/string/conversions.rb @@ -14,7 +14,7 @@ class String # "06:12".to_time # => 2012-12-13 06:12:00 +0100 # "2012-12-13 06:12".to_time # => 2012-12-13 06:12:00 +0100 # "2012-12-13T06:12".to_time # => 2012-12-13 06:12:00 +0100 - # "2012-12-13T06:12".to_time(:utc) # => 2012-12-13 05:12:00 UTC + # "2012-12-13T06:12".to_time(:utc) # => 2012-12-13 06:12:00 UTC # "12/13/2012".to_time # => ArgumentError: argument out of range def to_time(form = :local) parts = Date._parse(self, false) diff --git a/activesupport/lib/active_support/core_ext/string/filters.rb b/activesupport/lib/active_support/core_ext/string/filters.rb index 1dfaf76673..375ec1aef8 100644 --- a/activesupport/lib/active_support/core_ext/string/filters.rb +++ b/activesupport/lib/active_support/core_ext/string/filters.rb @@ -3,7 +3,7 @@ class String # the string, and then changing remaining consecutive whitespace # groups into one space each. # - # Note that it handles both ASCII and Unicode whitespace like mongolian vowel separator (U+180E). + # Note that it handles both ASCII and Unicode whitespace. # # %{ Multi-line # string }.squish # => "Multi-line string" @@ -13,21 +13,34 @@ class String end # Performs a destructive squish. See String#squish. + # str = " foo bar \n \t boo" + # str.squish! # => "foo bar boo" + # str # => "foo bar boo" def squish! - gsub!(/\A[[:space:]]+/, '') - gsub!(/[[:space:]]+\z/, '') gsub!(/[[:space:]]+/, ' ') + strip! self end - # Returns a new string with all occurrences of the pattern removed. Short-hand for String#gsub(pattern, ''). - def remove(pattern) - gsub pattern, '' + # Returns a new string with all occurrences of the patterns removed. + # str = "foo bar test" + # str.remove(" test") # => "foo bar" + # str.remove(" test", /bar/) # => "foo " + # str # => "foo bar test" + def remove(*patterns) + dup.remove!(*patterns) end - # Alters the string by removing all occurrences of the pattern. Short-hand for String#gsub!(pattern, ''). - def remove!(pattern) - gsub! pattern, '' + # Alters the string by removing all occurrences of the patterns. + # str = "foo bar test" + # str.remove!(" test", /bar/) # => "foo " + # str # => "foo " + def remove!(*patterns) + patterns.each do |pattern| + gsub! pattern, "" + end + + self end # Truncates a given +text+ after a given <tt>length</tt> if +text+ is longer than <tt>length</tt>: @@ -80,7 +93,7 @@ class String def truncate_words(words_count, options = {}) sep = options[:separator] || /\s+/ sep = Regexp.escape(sep.to_s) unless Regexp === sep - if self =~ /\A((?:.+?#{sep}){#{words_count - 1}}.+?)#{sep}.*/m + if self =~ /\A((?>.+?#{sep}){#{words_count - 1}}.+?)#{sep}.*/m $1 + (options[:omission] || '...') else dup diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb index a943752f17..b2e713077c 100644 --- a/activesupport/lib/active_support/core_ext/string/inflections.rb +++ b/activesupport/lib/active_support/core_ext/string/inflections.rb @@ -164,7 +164,7 @@ class String # # <%= link_to(@person.name, person_path) %> # # => <a href="/person/1-donald-e-knuth">Donald E. Knuth</a> - def parameterize(sep = '-') + def parameterize(sep = '-'.freeze) ActiveSupport::Inflector.parameterize(self, sep) end @@ -172,17 +172,17 @@ class String # uses the +pluralize+ method on the last word in the string. # # 'RawScaledScorer'.tableize # => "raw_scaled_scorers" - # 'egg_and_ham'.tableize # => "egg_and_hams" + # 'ham_and_egg'.tableize # => "ham_and_eggs" # 'fancyCategory'.tableize # => "fancy_categories" def tableize ActiveSupport::Inflector.tableize(self) end - # Create a class name from a plural table name like Rails does for table names to models. + # Creates a class name from a plural table name like Rails does for table names to models. # Note that this returns a string and not a class. (To convert to an actual class # follow +classify+ with +constantize+.) # - # 'egg_and_hams'.classify # => "EggAndHam" + # 'ham_and_eggs'.classify # => "HamAndEgg" # 'posts'.classify # => "Post" def classify ActiveSupport::Inflector.classify(self) @@ -199,6 +199,7 @@ class String # 'employee_salary'.humanize # => "Employee salary" # 'author_id'.humanize # => "Author" # 'author_id'.humanize(capitalize: false) # => "author" + # '_id'.humanize # => "Id" def humanize(options = {}) ActiveSupport::Inflector.humanize(self, options) end diff --git a/activesupport/lib/active_support/core_ext/string/multibyte.rb b/activesupport/lib/active_support/core_ext/string/multibyte.rb index a124202936..cc6f2158e7 100644 --- a/activesupport/lib/active_support/core_ext/string/multibyte.rb +++ b/activesupport/lib/active_support/core_ext/string/multibyte.rb @@ -1,4 +1,3 @@ -# encoding: utf-8 require 'active_support/multibyte' class String @@ -10,12 +9,10 @@ class String # encapsulates the original string. A Unicode safe version of all the String methods are defined on this proxy # class. If the proxy class doesn't respond to a certain method, it's forwarded to the encapsulated string. # - # name = 'Claus Müller' - # name.reverse # => "rell??M sualC" - # name.length # => 13 - # - # name.mb_chars.reverse.to_s # => "rellüM sualC" - # name.mb_chars.length # => 12 + # >> "lj".upcase + # => "lj" + # >> "lj".mb_chars.upcase.to_s + # => "LJ" # # == Method chaining # @@ -36,6 +33,13 @@ class String ActiveSupport::Multibyte.proxy_class.new(self) end + # Returns +true+ if string has utf_8 encoding. + # + # utf_8_str = "some string".encode "UTF-8" + # iso_str = "some string".encode "ISO-8859-1" + # + # utf_8_str.is_utf8? # => true + # iso_str.is_utf8? # => false def is_utf8? case encoding when Encoding::UTF_8 diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb index c761325108..510fa48189 100644 --- a/activesupport/lib/active_support/core_ext/string/output_safety.rb +++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb @@ -1,6 +1,5 @@ require 'erb' require 'active_support/core_ext/kernel/singleton_class' -require 'active_support/deprecation' class ERB module Util @@ -14,7 +13,7 @@ class ERB # This method is also aliased as <tt>h</tt>. # # In your ERB templates, use this method to escape any unsafe content. For example: - # <%=h @person.name %> + # <%= h @person.name %> # # puts html_escape('is a > 0 & a < 10?') # # => is a > 0 & a < 10? @@ -38,7 +37,7 @@ class ERB if s.html_safe? s else - s.gsub(HTML_ESCAPE_REGEXP, HTML_ESCAPE) + ActiveSupport::Multibyte::Unicode.tidy_bytes(s).gsub(HTML_ESCAPE_REGEXP, HTML_ESCAPE) end end module_function :unwrapped_html_escape @@ -51,7 +50,7 @@ class ERB # html_escape_once('<< Accept & Checkout') # # => "<< Accept & Checkout" def html_escape_once(s) - result = s.to_s.gsub(HTML_ESCAPE_ONCE_REGEXP, HTML_ESCAPE) + result = ActiveSupport::Multibyte::Unicode.tidy_bytes(s.to_s).gsub(HTML_ESCAPE_ONCE_REGEXP, HTML_ESCAPE) s.html_safe? ? result.html_safe : result end @@ -86,6 +85,11 @@ class ERB # automatically flag the result as HTML safe, since the raw value is unsafe to # use inside HTML attributes. # + # If your JSON is being used downstream for insertion into the DOM, be aware of + # whether or not it is being inserted via +html()+. Most jQuery plugins do this. + # If that is the case, be sure to +html_escape+ or +sanitize+ any user-generated + # content returned by your JSON. + # # If you need to output JSON elsewhere in your HTML, you can just do something # like this, as any unsafe characters (including quotation marks) will be # automatically escaped for you: @@ -150,7 +154,11 @@ module ActiveSupport #:nodoc: else if html_safe? new_safe_buffer = super - new_safe_buffer.instance_eval { @html_safe = true } + + if new_safe_buffer + new_safe_buffer.instance_variable_set :@html_safe, true + end + new_safe_buffer else to_str[*args] @@ -186,11 +194,6 @@ module ActiveSupport #:nodoc: super(html_escape_interpolated_argument(value)) end - def prepend!(value) - ActiveSupport::Deprecation.deprecation_warning "ActiveSupport::SafeBuffer#prepend!", :prepend - prepend value - end - def +(other) dup.concat(other) end @@ -219,7 +222,7 @@ module ActiveSupport #:nodoc: end def encode_with(coder) - coder.represent_scalar nil, to_str + coder.represent_object nil, to_str end UNSAFE_STRING_METHODS.each do |unsafe_method| @@ -247,6 +250,11 @@ module ActiveSupport #:nodoc: end class String + # Marks a string as trusted safe. It will be inserted into HTML with no + # additional escaping performed. It is your responsibilty to ensure that the + # string contains no malicious content. This method is equivalent to the + # `raw` helper in views. It is recommended that you use `sanitize` instead of + # this method. It should never be called on user input. def html_safe ActiveSupport::SafeBuffer.new(self) end diff --git a/activesupport/lib/active_support/core_ext/string/strip.rb b/activesupport/lib/active_support/core_ext/string/strip.rb index 086c610976..55b9b87352 100644 --- a/activesupport/lib/active_support/core_ext/string/strip.rb +++ b/activesupport/lib/active_support/core_ext/string/strip.rb @@ -1,5 +1,3 @@ -require 'active_support/core_ext/object/try' - class String # Strips indentation in heredocs. # @@ -17,10 +15,9 @@ class String # # the user would see the usage message aligned against the left margin. # - # Technically, it looks for the least indented line in the whole string, and removes - # that amount of leading whitespace. + # Technically, it looks for the least indented non-empty line + # in the whole string, and removes that amount of leading whitespace. def strip_heredoc - indent = scan(/^[ \t]*(?=\S)/).min.try(:size) || 0 - gsub(/^[ \t]{#{indent}}/, '') + gsub(/^#{scan(/^[ \t]*(?=\S)/).min}/, ''.freeze) end end diff --git a/activesupport/lib/active_support/core_ext/struct.rb b/activesupport/lib/active_support/core_ext/struct.rb index c2c30044f2..1fde3db070 100644 --- a/activesupport/lib/active_support/core_ext/struct.rb +++ b/activesupport/lib/active_support/core_ext/struct.rb @@ -1,6 +1,3 @@ -# Backport of Struct#to_h from Ruby 2.0 -class Struct # :nodoc: - def to_h - Hash[members.zip(values)] - end -end unless Struct.instance_methods.include?(:to_h) +require 'active_support/deprecation' + +ActiveSupport::Deprecation.warn("This file is deprecated and will be removed in Rails 5.1 with no replacement.") diff --git a/activesupport/lib/active_support/core_ext/thread.rb b/activesupport/lib/active_support/core_ext/thread.rb deleted file mode 100644 index 4cd6634558..0000000000 --- a/activesupport/lib/active_support/core_ext/thread.rb +++ /dev/null @@ -1,86 +0,0 @@ -class Thread - LOCK = Mutex.new # :nodoc: - - # Returns the value of a thread local variable that has been set. Note that - # these are different than fiber local values. - # - # Thread local values are carried along with threads, and do not respect - # fibers. For example: - # - # Thread.new { - # Thread.current.thread_variable_set("foo", "bar") # set a thread local - # Thread.current["foo"] = "bar" # set a fiber local - # - # Fiber.new { - # Fiber.yield [ - # Thread.current.thread_variable_get("foo"), # get the thread local - # Thread.current["foo"], # get the fiber local - # ] - # }.resume - # }.join.value # => ['bar', nil] - # - # The value <tt>"bar"</tt> is returned for the thread local, where +nil+ is returned - # for the fiber local. The fiber is executed in the same thread, so the - # thread local values are available. - def thread_variable_get(key) - _locals[key.to_sym] - end - - # Sets a thread local with +key+ to +value+. Note that these are local to - # threads, and not to fibers. Please see Thread#thread_variable_get for - # more information. - def thread_variable_set(key, value) - _locals[key.to_sym] = value - end - - # Returns an array of the names of the thread-local variables (as Symbols). - # - # thr = Thread.new do - # Thread.current.thread_variable_set(:cat, 'meow') - # Thread.current.thread_variable_set("dog", 'woof') - # end - # thr.join # => #<Thread:0x401b3f10 dead> - # thr.thread_variables # => [:dog, :cat] - # - # Note that these are not fiber local variables. Please see Thread#thread_variable_get - # for more details. - def thread_variables - _locals.keys - end - - # Returns <tt>true</tt> if the given string (or symbol) exists as a - # thread-local variable. - # - # me = Thread.current - # me.thread_variable_set(:oliver, "a") - # me.thread_variable?(:oliver) # => true - # me.thread_variable?(:stanley) # => false - # - # Note that these are not fiber local variables. Please see Thread#thread_variable_get - # for more details. - def thread_variable?(key) - _locals.has_key?(key.to_sym) - end - - # Freezes the thread so that thread local variables cannot be set via - # Thread#thread_variable_set, nor can fiber local variables be set. - # - # me = Thread.current - # me.freeze - # me.thread_variable_set(:oliver, "a") #=> RuntimeError: can't modify frozen thread locals - # me[:oliver] = "a" #=> RuntimeError: can't modify frozen thread locals - def freeze - _locals.freeze - super - end - - private - - def _locals - if defined?(@_locals) - @_locals - else - LOCK.synchronize { @_locals ||= {} } - end - end -end unless Thread.instance_methods.include?(:thread_variable_set) diff --git a/activesupport/lib/active_support/core_ext/time.rb b/activesupport/lib/active_support/core_ext/time.rb index 32cffe237d..72c3234630 100644 --- a/activesupport/lib/active_support/core_ext/time.rb +++ b/activesupport/lib/active_support/core_ext/time.rb @@ -1,5 +1,4 @@ require 'active_support/core_ext/time/acts_like' require 'active_support/core_ext/time/calculations' require 'active_support/core_ext/time/conversions' -require 'active_support/core_ext/time/marshal' require 'active_support/core_ext/time/zones' diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index 89cd7516cd..82e003fc3b 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -3,6 +3,7 @@ require 'active_support/core_ext/time/conversions' require 'active_support/time_with_zone' require 'active_support/core_ext/time/zones' require 'active_support/core_ext/date_and_time/calculations' +require 'active_support/core_ext/date/calculations' class Time include DateAndTime::Calculations @@ -15,9 +16,9 @@ class Time super || (self == Time && other.is_a?(ActiveSupport::TimeWithZone)) end - # Return the number of days in the given month. + # Returns the number of days in the given month. # If no year is specified, it will use the current year. - def days_in_month(month, year = now.year) + def days_in_month(month, year = current.year) if month == 2 && ::Date.gregorian_leap?(year) 29 else @@ -48,7 +49,11 @@ class Time alias_method :at, :at_with_coercion end - # Seconds since midnight: Time.now.seconds_since_midnight + # Returns the number of seconds since 00:00:00. + # + # Time.new(2012, 8, 29, 0, 0, 0).seconds_since_midnight # => 0.0 + # Time.new(2012, 8, 29, 12, 34, 56).seconds_since_midnight # => 45296.0 + # Time.new(2012, 8, 29, 23, 59, 59).seconds_since_midnight # => 86399.0 def seconds_since_midnight to_i - change(:hour => 0).to_i + (usec / 1.0e+6) end @@ -64,11 +69,12 @@ class Time # Returns a new Time where one or more of the elements have been changed according # to the +options+ parameter. The time options (<tt>:hour</tt>, <tt>:min</tt>, - # <tt>:sec</tt>, <tt>:usec</tt>) reset cascadingly, so if only the hour is passed, - # then minute, sec, and usec is set to 0. If the hour and minute is passed, then - # sec and usec is set to 0. The +options+ parameter takes a hash with any of these - # keys: <tt>:year</tt>, <tt>:month</tt>, <tt>:day</tt>, <tt>:hour</tt>, <tt>:min</tt>, - # <tt>:sec</tt>, <tt>:usec</tt>. + # <tt>:sec</tt>, <tt>:usec</tt>, <tt>:nsec</tt>) reset cascadingly, so if only + # the hour is passed, then minute, sec, usec and nsec is set to 0. If the hour + # and minute is passed, then sec, usec and nsec is set to 0. The +options+ + # parameter takes a hash with any of these keys: <tt>:year</tt>, <tt>:month</tt>, + # <tt>:day</tt>, <tt>:hour</tt>, <tt>:min</tt>, <tt>:sec</tt>, <tt>:usec</tt> + # <tt>:nsec</tt>. Pass either <tt>:usec</tt> or <tt>:nsec</tt>, not both. # # Time.new(2012, 8, 29, 22, 35, 0).change(day: 1) # => Time.new(2012, 8, 1, 22, 35, 0) # Time.new(2012, 8, 29, 22, 35, 0).change(year: 1981, day: 1) # => Time.new(1981, 8, 1, 22, 35, 0) @@ -80,13 +86,20 @@ class Time new_hour = options.fetch(:hour, hour) new_min = options.fetch(:min, options[:hour] ? 0 : min) new_sec = options.fetch(:sec, (options[:hour] || options[:min]) ? 0 : sec) - new_usec = options.fetch(:usec, (options[:hour] || options[:min] || options[:sec]) ? 0 : Rational(nsec, 1000)) + + if new_nsec = options[:nsec] + raise ArgumentError, "Can't change both :nsec and :usec at the same time: #{options.inspect}" if options[:usec] + new_usec = Rational(new_nsec, 1000) + else + new_usec = options.fetch(:usec, (options[:hour] || options[:min] || options[:sec]) ? 0 : Rational(nsec, 1000)) + end if utc? ::Time.utc(new_year, new_month, new_day, new_hour, new_min, new_sec, new_usec) elsif zone ::Time.local(new_year, new_month, new_day, new_hour, new_min, new_sec, new_usec) else + raise ArgumentError, 'argument out of range' if new_usec >= 1000000 ::Time.new(new_year, new_month, new_day, new_hour, new_min, new_sec + (new_usec.to_r / 1000000), utc_offset) end end @@ -96,6 +109,12 @@ class Time # takes a hash with any of these keys: <tt>:years</tt>, <tt>:months</tt>, # <tt>:weeks</tt>, <tt>:days</tt>, <tt>:hours</tt>, <tt>:minutes</tt>, # <tt>:seconds</tt>. + # + # Time.new(2015, 8, 1, 14, 35, 0).advance(seconds: 1) # => 2015-08-01 14:35:01 -0700 + # Time.new(2015, 8, 1, 14, 35, 0).advance(minutes: 1) # => 2015-08-01 14:36:00 -0700 + # Time.new(2015, 8, 1, 14, 35, 0).advance(hours: 1) # => 2015-08-01 15:35:00 -0700 + # Time.new(2015, 8, 1, 14, 35, 0).advance(days: 1) # => 2015-08-02 14:35:00 -0700 + # Time.new(2015, 8, 1, 14, 35, 0).advance(weeks: 1) # => 2015-08-08 14:35:00 -0700 def advance(options) unless options[:weeks].nil? options[:weeks], partial_weeks = options[:weeks].divmod(1) @@ -154,7 +173,7 @@ class Time alias :at_noon :middle_of_day alias :at_middle_of_day :middle_of_day - # Returns a new Time representing the end of the day, 23:59:59.999999 (.999999999 in ruby1.9) + # Returns a new Time representing the end of the day, 23:59:59.999999 def end_of_day change( :hour => 23, @@ -171,7 +190,7 @@ class Time end alias :at_beginning_of_hour :beginning_of_hour - # Returns a new Time representing the end of the hour, x:59:59.999999 (.999999999 in ruby1.9) + # Returns a new Time representing the end of the hour, x:59:59.999999 def end_of_hour change( :min => 59, @@ -187,7 +206,7 @@ class Time end alias :at_beginning_of_minute :beginning_of_minute - # Returns a new Time representing the end of the minute, x:xx:59.999999 (.999999999 in ruby1.9) + # Returns a new Time representing the end of the minute, x:xx:59.999999 def end_of_minute change( :sec => 59, @@ -234,8 +253,10 @@ class Time # Layers additional behavior on Time#<=> so that DateTime and ActiveSupport::TimeWithZone instances # can be chronologically compared with a Time def compare_with_coercion(other) - # we're avoiding Time#to_datetime cause it's expensive - if other.is_a?(Time) + # we're avoiding Time#to_datetime and Time#to_time because they're expensive + if other.class == Time + compare_without_coercion(other) + elsif other.is_a?(Time) compare_without_coercion(other.to_time) else to_datetime <=> other diff --git a/activesupport/lib/active_support/core_ext/time/conversions.rb b/activesupport/lib/active_support/core_ext/time/conversions.rb index dbf1f2f373..536c4bf525 100644 --- a/activesupport/lib/active_support/core_ext/time/conversions.rb +++ b/activesupport/lib/active_support/core_ext/time/conversions.rb @@ -6,6 +6,7 @@ class Time :db => '%Y-%m-%d %H:%M:%S', :number => '%Y%m%d%H%M%S', :nsec => '%Y%m%d%H%M%S%9N', + :usec => '%Y%m%d%H%M%S%6N', :time => '%H:%M', :short => '%d %b %H:%M', :long => '%B %d, %Y %H:%M', @@ -24,7 +25,7 @@ class Time # # This method is aliased to <tt>to_s</tt>. # - # time = Time.now # => Thu Jan 18 06:10:17 CST 2007 + # time = Time.now # => 2007-01-18 06:10:17 -06:00 # # time.to_formatted_s(:time) # => "06:10" # time.to_s(:time) # => "06:10" @@ -55,7 +56,8 @@ class Time alias_method :to_default_s, :to_s alias_method :to_s, :to_formatted_s - # Returns the UTC offset as an +HH:MM formatted string. + # Returns a formatted string of the offset from UTC, or an alternative + # string if the time zone is already UTC. # # Time.local(2000).formatted_offset # => "-06:00" # Time.local(2000).formatted_offset(false) # => "-0600" diff --git a/activesupport/lib/active_support/core_ext/time/marshal.rb b/activesupport/lib/active_support/core_ext/time/marshal.rb index 497c4c3fb8..467bad1726 100644 --- a/activesupport/lib/active_support/core_ext/time/marshal.rb +++ b/activesupport/lib/active_support/core_ext/time/marshal.rb @@ -1,30 +1,3 @@ -# Ruby 1.9.2 adds utc_offset and zone to Time, but marshaling only -# preserves utc_offset. Preserve zone also, even though it may not -# work in some edge cases. -if Time.local(2010).zone != Marshal.load(Marshal.dump(Time.local(2010))).zone - class Time - class << self - alias_method :_load_without_zone, :_load - def _load(marshaled_time) - time = _load_without_zone(marshaled_time) - time.instance_eval do - if zone = defined?(@_zone) && remove_instance_variable('@_zone') - ary = to_a - ary[0] += subsec if ary[0] == sec - ary[-1] = zone - utc? ? Time.utc(*ary) : Time.local(*ary) - else - self - end - end - end - end +require 'active_support/deprecation' - alias_method :_dump_without_zone, :_dump - def _dump(*args) - obj = dup - obj.instance_variable_set('@_zone', zone) - obj.send :_dump_without_zone, *args - end - end -end +ActiveSupport::Deprecation.warn("This is deprecated and will be removed in Rails 5.1 with no replacement.") diff --git a/activesupport/lib/active_support/core_ext/time/zones.rb b/activesupport/lib/active_support/core_ext/time/zones.rb index bbda04d60c..877dc84ec8 100644 --- a/activesupport/lib/active_support/core_ext/time/zones.rb +++ b/activesupport/lib/active_support/core_ext/time/zones.rb @@ -1,4 +1,5 @@ require 'active_support/time_with_zone' +require 'active_support/core_ext/time/acts_like' require 'active_support/core_ext/date_and_time/zones' class Time @@ -25,7 +26,7 @@ class Time # <tt>current_user.time_zone</tt> just needs to return a string identifying the user's preferred time zone: # # class ApplicationController < ActionController::Base - # around_filter :set_time_zone + # around_action :set_time_zone # # def set_time_zone # if logged_in? @@ -50,12 +51,22 @@ class Time end end - # Returns a TimeZone instance or nil, or raises an ArgumentError for invalid timezones. + # Returns a TimeZone instance matching the time zone provided. + # Accepts the time zone in any format supported by <tt>Time.zone=</tt>. + # Raises an +ArgumentError+ for invalid time zones. + # + # Time.find_zone! "America/New_York" # => #<ActiveSupport::TimeZone @name="America/New_York" ...> + # Time.find_zone! "EST" # => #<ActiveSupport::TimeZone @name="EST" ...> + # Time.find_zone! -5.hours # => #<ActiveSupport::TimeZone @name="Bogota" ...> + # Time.find_zone! nil # => nil + # Time.find_zone! false # => false + # Time.find_zone! "NOT-A-TIMEZONE" # => ArgumentError: Invalid Timezone: NOT-A-TIMEZONE def find_zone!(time_zone) if !time_zone || time_zone.is_a?(ActiveSupport::TimeZone) time_zone else - # lookup timezone based on identifier (unless we've been passed a TZInfo::Timezone) + # Look up the timezone based on the identifier (unless we've been + # passed a TZInfo::Timezone) unless time_zone.respond_to?(:period_for_local) time_zone = ActiveSupport::TimeZone[time_zone] || TZInfo::Timezone.get(time_zone) end @@ -71,6 +82,12 @@ class Time raise ArgumentError, "Invalid Timezone: #{time_zone}" end + # Returns a TimeZone instance matching the time zone provided. + # Accepts the time zone in any format supported by <tt>Time.zone=</tt>. + # Returns +nil+ for invalid time zones. + # + # Time.find_zone "America/New_York" # => #<ActiveSupport::TimeZone @name="America/New_York" ...> + # Time.find_zone "NOT-A-TIMEZONE" # => nil def find_zone(time_zone) find_zone!(time_zone) rescue nil end diff --git a/activesupport/lib/active_support/core_ext/uri.rb b/activesupport/lib/active_support/core_ext/uri.rb index bfe0832b37..c6c183edd9 100644 --- a/activesupport/lib/active_support/core_ext/uri.rb +++ b/activesupport/lib/active_support/core_ext/uri.rb @@ -1,5 +1,3 @@ -# encoding: utf-8 - require 'uri' str = "\xE6\x97\xA5\xE6\x9C\xAC\xE8\xAA\x9E" # Ni-ho-nn-go in UTF-8, means Japanese. parser = URI::Parser.new @@ -12,7 +10,7 @@ unless str == parser.unescape(parser.escape(str)) # YK: My initial experiments say yes, but let's be sure please enc = str.encoding enc = Encoding::UTF_8 if enc == Encoding::US_ASCII - str.gsub(escaped) { [$&[1, 2].hex].pack('C') }.force_encoding(enc) + str.gsub(escaped) { |match| [match[1, 2].hex].pack('C') }.force_encoding(enc) end end end |