diff options
Diffstat (limited to 'activesupport/lib')
8 files changed, 59 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/access.rb b/activesupport/lib/active_support/core_ext/array/access.rb index ca66d806ef..3177d8498e 100644 --- a/activesupport/lib/active_support/core_ext/array/access.rb +++ b/activesupport/lib/active_support/core_ext/array/access.rb @@ -27,6 +27,18 @@ class Array 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>. # # %w( a b c d e ).second # => "b" diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb index 1343beb87a..7a893292b3 100644 --- a/activesupport/lib/active_support/core_ext/enumerable.rb +++ b/activesupport/lib/active_support/core_ext/enumerable.rb @@ -60,6 +60,17 @@ 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 end class Range #:nodoc: diff --git a/activesupport/lib/active_support/core_ext/module/anonymous.rb b/activesupport/lib/active_support/core_ext/module/anonymous.rb index b0c7b021db..0ecc67a855 100644 --- a/activesupport/lib/active_support/core_ext/module/anonymous.rb +++ b/activesupport/lib/active_support/core_ext/module/anonymous.rb @@ -7,6 +7,13 @@ class Module # m = Module.new # m.name # => nil # + # +anonymous?+ method returns true if module does not have a name: + # + # 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: # diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index a5f4d03256..9b7a429db9 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -167,7 +167,7 @@ class Module '' end - file, line = caller.first.split(':', 2) + file, line = caller(1, 1).first.split(':', 2) line = line.to_i to = to.to_s 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/string/filters.rb b/activesupport/lib/active_support/core_ext/string/filters.rb index b88976eab2..7461d03acc 100644 --- a/activesupport/lib/active_support/core_ext/string/filters.rb +++ b/activesupport/lib/active_support/core_ext/string/filters.rb @@ -26,6 +26,7 @@ class String # 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) @@ -33,8 +34,8 @@ class String # Alters the string by removing all occurrences of the patterns. # str = "foo bar test" - # str.remove!(" test") # => "foo bar" - # str # => "foo bar" + # str.remove!(" test", /bar/) # => "foo " + # str # => "foo " def remove!(*patterns) patterns.each do |pattern| gsub! pattern, "" diff --git a/activesupport/lib/active_support/core_ext/string/multibyte.rb b/activesupport/lib/active_support/core_ext/string/multibyte.rb index 2eedd4fdb1..57d7f8d1e7 100644 --- a/activesupport/lib/active_support/core_ext/string/multibyte.rb +++ b/activesupport/lib/active_support/core_ext/string/multibyte.rb @@ -35,6 +35,13 @@ class String ActiveSupport::Multibyte.proxy_class.new(self) end + # Return +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/rescuable.rb b/activesupport/lib/active_support/rescuable.rb index 1a02acd5b1..67aac32742 100644 --- a/activesupport/lib/active_support/rescuable.rb +++ b/activesupport/lib/active_support/rescuable.rb @@ -100,7 +100,7 @@ module ActiveSupport # a string, otherwise a NameError will be raised by the interpreter # itself when rescue_from CONSTANT is executed. klass = self.class.const_get(klass_name) rescue nil - klass ||= klass_name.constantize rescue nil + klass ||= (klass_name.constantize rescue nil) klass === exception if klass end |