diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext')
8 files changed, 53 insertions, 12 deletions
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..dc4e767e9d 100644 --- a/activesupport/lib/active_support/core_ext/date_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_time/calculations.rb @@ -161,7 +161,9 @@ 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 + if other.kind_of?(Infinity) + super + elsif other.respond_to? :to_datetime super other.to_datetime else nil diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index e926392952..570585b89a 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -1,8 +1,16 @@ +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 + RUBY_RESERVED_WORDS = Set.new( + %w(alias and BEGIN begin 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. # @@ -163,7 +171,7 @@ class Module line = line.to_i to = to.to_s - to = 'self.class' if to == 'class' + to = "self.#{to}" if RUBY_RESERVED_WORDS.include?(to) methods.each do |method| # Attribute writer methods only accept one argument. Makes sure []= diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb index c5d59128e5..665cb0f96d 100644 --- a/activesupport/lib/active_support/core_ext/object/duplicable.rb +++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb @@ -91,3 +91,13 @@ class BigDecimal # can't dup, so use superclass implementation end end + +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/itself.rb b/activesupport/lib/active_support/core_ext/object/itself.rb index adedc20169..d71cea6674 100644 --- a/activesupport/lib/active_support/core_ext/object/itself.rb +++ b/activesupport/lib/active_support/core_ext/object/itself.rb @@ -1,6 +1,9 @@ class Object - unless respond_to?(:itself) # TODO: Remove this file when we drop support for Ruby < 2.2 - # Returns the object itself. Useful when dealing with a chaining scenario, like Active Record scopes: + # TODO: Remove this file when we drop support for Ruby < 2.2 + unless respond_to?(:itself) + # Returns the object itself. + # + # Useful for chaining methods, such as Active Record scopes: # # Event.public_send(state.presence_in([ :trashed, :drafted ]) || :itself).order(:created_at) # diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb index 48190e1e66..31919474ed 100644 --- a/activesupport/lib/active_support/core_ext/object/try.rb +++ b/activesupport/lib/active_support/core_ext/object/try.rb @@ -33,6 +33,11 @@ class Object # ... # end # + # 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 @@ -40,7 +45,11 @@ class Object # delegator itself. def try(*a, &b) if a.empty? && block_given? - yield self + if b.arity.zero? + instance_eval(&b) + else + yield self + end else public_send(*a, &b) if respond_to?(a.first) end diff --git a/activesupport/lib/active_support/core_ext/string/filters.rb b/activesupport/lib/active_support/core_ext/string/filters.rb index 1dfaf76673..2b1583d4ac 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" diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb index a943752f17..38d567c014 100644 --- a/activesupport/lib/active_support/core_ext/string/inflections.rb +++ b/activesupport/lib/active_support/core_ext/string/inflections.rb @@ -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/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index 89cd7516cd..ab8307429a 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -64,11 +64,12 @@ 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>. Path 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 +81,20 @@ 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 > 999999 ::Time.new(new_year, new_month, new_day, new_hour, new_min, new_sec + (new_usec.to_r / 1000000), utc_offset) end end |