diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object')
10 files changed, 160 insertions, 71 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb index 38e43478df..bdb50ee291 100644 --- a/activesupport/lib/active_support/core_ext/object/blank.rb +++ b/activesupport/lib/active_support/core_ext/object/blank.rb @@ -1,12 +1,12 @@ -# encoding: utf-8 +require "active_support/core_ext/regexp" 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 # @@ -114,7 +114,10 @@ class String # # @return [true, false] def blank? - BLANK_RE === self + # The regexp that matches blank strings is expensive. For the case of empty + # strings we can speed up this method (~3.5x) with an empty? call. The + # penalty for the rest of strings is marginal. + empty? || BLANK_RE.match?(self) end end @@ -129,3 +132,14 @@ 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/conversions.rb b/activesupport/lib/active_support/core_ext/object/conversions.rb index 540f7aadb0..918ebcdc9f 100644 --- a/activesupport/lib/active_support/core_ext/object/conversions.rb +++ b/activesupport/lib/active_support/core_ext/object/conversions.rb @@ -1,4 +1,4 @@ -require 'active_support/core_ext/object/to_param' -require 'active_support/core_ext/object/to_query' -require 'active_support/core_ext/array/conversions' -require 'active_support/core_ext/hash/conversions' +require "active_support/core_ext/object/to_param" +require "active_support/core_ext/object/to_query" +require "active_support/core_ext/array/conversions" +require "active_support/core_ext/hash/conversions" 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 ad5b2af161..5ac649e552 100644 --- a/activesupport/lib/active_support/core_ext/object/deep_dup.rb +++ b/activesupport/lib/active_support/core_ext/object/deep_dup.rb @@ -1,4 +1,4 @@ -require 'active_support/core_ext/object/duplicable' +require "active_support/core_ext/object/duplicable" class Object # Returns a deep copy of object if it's duplicable. If it's @@ -39,9 +39,15 @@ class Hash # hash[:a][:c] # => nil # dup[:a][:c] # => "c" def deep_dup - each_with_object(dup) do |(key, value), hash| - hash.delete(key) - 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 620f7b6561..c671d34673 100644 --- a/activesupport/lib/active_support/core_ext/object/duplicable.rb +++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb @@ -1,7 +1,7 @@ #-- -# Most objects are cloneable, but not all. For example you can't dup +nil+: +# Most objects are cloneable, but not all. For example you can't dup methods: # -# nil.dup # => TypeError: can't dup NilClass +# method(:puts).dup # => TypeError: allocator undefined for Method # # Classes may signal their instances are not duplicable removing +dup+/+clone+ # or raising exceptions from them. So, to dup an arbitrary object you normally @@ -19,7 +19,7 @@ class Object # Can you safely dup this object? # - # False for +nil+, +false+, +true+, symbol, number objects; + # False for method objects; # true otherwise. def duplicable? true @@ -27,57 +27,86 @@ class Object end class NilClass - # +nil+ is not duplicable: - # - # nil.duplicable? # => false - # nil.dup # => TypeError: can't dup NilClass - def duplicable? - false + begin + nil.dup + rescue TypeError + + # +nil+ is not duplicable: + # + # nil.duplicable? # => false + # nil.dup # => TypeError: can't dup NilClass + def duplicable? + false + end end end class FalseClass - # +false+ is not duplicable: - # - # false.duplicable? # => false - # false.dup # => TypeError: can't dup FalseClass - def duplicable? - false + begin + false.dup + rescue TypeError + + # +false+ is not duplicable: + # + # false.duplicable? # => false + # false.dup # => TypeError: can't dup FalseClass + def duplicable? + false + end end end class TrueClass - # +true+ is not duplicable: - # - # true.duplicable? # => false - # true.dup # => TypeError: can't dup TrueClass - def duplicable? - false + begin + true.dup + rescue TypeError + + # +true+ is not duplicable: + # + # true.duplicable? # => false + # true.dup # => TypeError: can't dup TrueClass + def duplicable? + false + end end end class Symbol - # Symbols are not duplicable: - # - # :my_symbol.duplicable? # => false - # :my_symbol.dup # => TypeError: can't dup Symbol - def duplicable? - false + begin + :symbol.dup + rescue TypeError + + # Symbols are not duplicable: + # + # :my_symbol.duplicable? # => false + # :my_symbol.dup # => TypeError: can't dup Symbol + def duplicable? + false + end end end class Numeric - # Numbers are not duplicable: - # - # 3.duplicable? # => false - # 3.dup # => TypeError: can't dup Fixnum - def duplicable? - false + begin + 1.dup + rescue TypeError + + # Numbers are not duplicable: + # + # 3.duplicable? # => false + # 3.dup # => TypeError: can't dup Integer + def duplicable? + false + end end end -require 'bigdecimal' +require "bigdecimal" class BigDecimal + # BigDecimals are duplicable: + # + # BigDecimal.new("1.2").duplicable? # => true + # BigDecimal.new("1.2").dup # => #<BigDecimal:...,'0.12E1',18(18)> def duplicable? true end @@ -92,3 +121,23 @@ class Method false end end + +class Complex + # Complexes are not duplicable: + # + # Complex(1).duplicable? # => false + # Complex(1).dup # => TypeError: can't copy Complex + def duplicable? + false + end +end + +class Rational + # Rationals are not duplicable: + # + # Rational(1).duplicable? # => false + # Rational(1).dup # => TypeError: can't copy Rational + 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..98bf820d36 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) @@ -18,10 +18,10 @@ 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) - self.in?(another_object) ? self : nil + in?(another_object) ? self : nil 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 0db787010c..1c4d181443 100644 --- a/activesupport/lib/active_support/core_ext/object/json.rb +++ b/activesupport/lib/active_support/core_ext/object/json.rb @@ -1,14 +1,16 @@ # Hack to load json gem first so we can overwrite its to_json. -require 'json' -require 'bigdecimal' -require 'active_support/core_ext/big_decimal/conversions' # for #to_s -require 'active_support/core_ext/hash/except' -require 'active_support/core_ext/hash/slice' -require 'active_support/core_ext/object/instance_variables' -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 "json" +require "bigdecimal" +require "uri/generic" +require "pathname" +require "active_support/core_ext/big_decimal/conversions" # for #to_s +require "active_support/core_ext/hash/except" +require "active_support/core_ext/hash/slice" +require "active_support/core_ext/object/instance_variables" +require "time" +require "active_support/core_ext/time/conversions" +require "active_support/core_ext/date_time/conversions" +require "active_support/core_ext/date/conversions" # 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, @@ -187,13 +189,31 @@ class DateTime if ActiveSupport::JSON::Encoding.use_standard_json_time_format xmlschema(ActiveSupport::JSON::Encoding.time_precision) else - strftime('%Y/%m/%d %H:%M:%S %z') + strftime("%Y/%m/%d %H:%M:%S %z") end end end +class URI::Generic #:nodoc: + def as_json(options = nil) + to_s + end +end + +class Pathname #:nodoc: + def as_json(options = nil) + to_s + end +end + class Process::Status #:nodoc: def as_json(options = nil) - { :exitstatus => exitstatus, :pid => pid } + { exitstatus: exitstatus, pid: pid } + end +end + +class Exception + def as_json(options = nil) + to_s end end diff --git a/activesupport/lib/active_support/core_ext/object/to_param.rb b/activesupport/lib/active_support/core_ext/object/to_param.rb index 684d4ef57e..5eeaf03163 100644 --- a/activesupport/lib/active_support/core_ext/object/to_param.rb +++ b/activesupport/lib/active_support/core_ext/object/to_param.rb @@ -1 +1 @@ -require 'active_support/core_ext/object/to_query' +require "active_support/core_ext/object/to_query" 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 ec5ace4e16..a3a3abacbb 100644 --- a/activesupport/lib/active_support/core_ext/object/to_query.rb +++ b/activesupport/lib/active_support/core_ext/object/to_query.rb @@ -1,4 +1,4 @@ -require 'cgi' +require "cgi" class Object # Alias of <tt>to_s</tt>. @@ -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(&:to_param).join '/' + collect(&:to_param).join "/" end # Converts an array into a string suitable for use as a URL query string, @@ -51,7 +51,7 @@ class Array if empty? nil.to_query(prefix) else - collect { |value| value.to_query(prefix) }.join '&' + collect { |value| value.to_query(prefix) }.join "&" end end end @@ -77,7 +77,7 @@ class Hash unless (value.is_a?(Hash) || value.is_a?(Array)) && value.empty? value.to_query(namespace ? "#{namespace}[#{key}]" : key) end - end.compact.sort! * '&' + end.compact.sort! * "&" end alias_method :to_param, :to_query diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb index 69be6c4abc..b2be619b2d 100644 --- a/activesupport/lib/active_support/core_ext/object/try.rb +++ b/activesupport/lib/active_support/core_ext/object/try.rb @@ -1,4 +1,4 @@ -require 'delegate' +require "delegate" module ActiveSupport module Tryable #:nodoc: @@ -8,7 +8,7 @@ module ActiveSupport def try!(*a, &b) if a.empty? && block_given? - if b.arity.zero? + if b.arity == 0 instance_eval(&b) else yield self @@ -94,12 +94,12 @@ class Object # :call-seq: # try!(*a, &b) # - # Same as #try, but raises a NoMethodError exception if the receiver is + # 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 + # 123.try!(:upcase) # => NoMethodError: undefined method `upcase' for 123:Integer end class Delegator 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 513c8b1d55..cf39b1d312 100644 --- a/activesupport/lib/active_support/core_ext/object/with_options.rb +++ b/activesupport/lib/active_support/core_ext/object/with_options.rb @@ -1,4 +1,4 @@ -require 'active_support/option_merger' +require "active_support/option_merger" class Object # An elegant way to factor duplication out of options passed to a series of |