diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 303ef75977a..80decb7413e 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Improve documentation. [Radar, Jan De Poorter, chuyeow, xaviershay, danger, miloops, Xavier Noria, Sunny Ripert]
+
* Fixed that FormHelper#radio_button would produce invalid ids #11298 [harlancrystal]
* Added :confirm option to submit_tag #11415 [miloops]
diff --git a/actionpack/lib/action_controller/resources.rb b/actionpack/lib/action_controller/resources.rb
index 20fa3b9904a..2cc01f61dca 100644
--- a/actionpack/lib/action_controller/resources.rb
+++ b/actionpack/lib/action_controller/resources.rb
@@ -227,6 +227,13 @@ module ActionController
#
# <% form_for :message, @message, :url => message_path(@message), :html => {:method => :put} do |f| %>
#
+ # or
+ #
+ # <% form_for @message do |f| %>
+ #
+ # which takes into account whether @message is a new record or not and generates the
+ # path and method accordingly.
+ #
# The #resources method accepts the following options to customize the resulting routes:
# * :collection - add named routes for other actions that operate on the collection.
# Takes a hash of #{action} => #{method}, where method is :get/:post/:put/:delete
diff --git a/actionpack/lib/action_view/helpers/atom_feed_helper.rb b/actionpack/lib/action_view/helpers/atom_feed_helper.rb
index 5aaf1b46887..ebb1cb34bc2 100644
--- a/actionpack/lib/action_view/helpers/atom_feed_helper.rb
+++ b/actionpack/lib/action_view/helpers/atom_feed_helper.rb
@@ -49,7 +49,7 @@ module ActionView
# * :url: The URL for this feed. Defaults to the current URL.
# * :schema_date: The date at which the tag scheme for the feed was first used. A good default is the year you
# created the feed. See http://feedvalidator.org/docs/error/InvalidTAG.html for more information. If not specified,
- # 2005 is used (as a "I don't care"-value).
+ # 2005 is used (as an "I don't care" value).
#
# Other namespaces can be added to the root element:
#
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index 22c6562cc7c..0e77a7e0677 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -76,6 +76,7 @@ module ActionView
# values for the fields.
#
# <% form_for :person, @person, :url => { :action => "update" } do |f| %>
+ # <%= f.error_messages %>
# First name: <%= f.text_field :first_name %>
# Last name : <%= f.text_field :last_name %>
# Biography : <%= f.text_area :biography %>
@@ -85,7 +86,8 @@ module ActionView
# Worth noting is that the form_for tag is called in a ERb evaluation block, not an ERb output block. So that's <% %>,
# not <%= %>. Also worth noting is that form_for yields a form_builder object, in this example as f, which emulates
# the API for the stand-alone FormHelper methods, but without the object name. So instead of text_field :person, :name,
- # you get away with f.text_field :name.
+ # you get away with f.text_field :name. Notice that you can even do <%= f.error_messages %> to display the
+ # error messsages of the model object in question.
#
# Even further, the form_for method allows you to more easily escape the instance variable convention. So while the stand-alone
# approach would require text_field :person, :name, :object => person
@@ -405,7 +407,7 @@ module ActionView
# ==== Examples
# # Let's say that @post.validated? is 1:
# check_box("post", "validated")
- # # =>
+ # # =>
# #
#
# # Let's say that @puppy.gooddog is "no":
@@ -413,8 +415,8 @@ module ActionView
# # =>
# #
#
- # check_box("eula", "accepted", {}, "yes", "no", :class => 'eula_check')
- # # =>
+ # check_box("eula", "accepted", { :class => 'eula_check' }, "yes", "no")
+ # # =>
# #
#
def check_box(object_name, method, options = {}, checked_value = "1", unchecked_value = "0")
@@ -430,13 +432,13 @@ module ActionView
# # Let's say that @post.category returns "rails":
# radio_button("post", "category", "rails")
# radio_button("post", "category", "java")
- # # =>
- # #
+ # # =>
+ # #
#
# radio_button("user", "receive_newsletter", "yes")
# radio_button("user", "receive_newsletter", "no")
- # # =>
- # #
+ # # =>
+ # #
def radio_button(object_name, method, tag_value, options = {})
InstanceTag.new(object_name, method, self, nil, options.delete(:object)).to_radio_button_tag(tag_value, options)
end
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index 7b218900a73..972aca16e8d 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Improve documentation. [Radar, Jan De Poorter, chuyeow, xaviershay, danger, miloops, Xavier Noria, Sunny Ripert]
+
* Fixed that ActiveRecord#Base.find_or_create/initialize would not honor attr_protected/accessible when used with a hash #11422 [miloops]
* Added ActiveRecord#Base.all/first/last as aliases for find(:all/:first/:last) #11413 [nkallen, thechrisoshow]
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb
index 0974f8b6bcb..8847865451e 100755
--- a/activerecord/lib/active_record/fixtures.rb
+++ b/activerecord/lib/active_record/fixtures.rb
@@ -176,11 +176,11 @@ end
# Some times you don't care about the content of the fixtures as much as you care about the volume. In these cases, you can
# mix ERb in with your YAML or CSV fixtures to create a bunch of fixtures for load testing, like:
#
-# <% for i in 1..1000 %>
-# fix_<%= i %>:
-# id: <%= i %>
-# name: guy_<%= 1 %>
-# <% end %>
+# <% for i in 1..1000 %>
+# fix_<%= i %>:
+# id: <%= i %>
+# name: guy_<%= 1 %>
+# <% end %>
#
# This will create 1000 very simple YAML fixtures.
#
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 635eab84286..9945f9cd754 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -91,13 +91,30 @@ module ActiveRecord
#
# The Rails package has several tools to help create and apply migrations.
#
- # To generate a new migration, use script/generate migration MyNewMigration
+ # To generate a new migration, you can use
+ # script/generate migration MyNewMigration
+ #
# where MyNewMigration is the name of your migration. The generator will
- # create a file nnn_my_new_migration.rb in the db/migrate/
+ # create an empty migration file nnn_my_new_migration.rb in the db/migrate/
# directory where nnn is the next largest migration number.
+ #
# You may then edit the self.up and self.down methods of
# MyNewMigration.
#
+ # There is a special syntactic shortcut to generate migrations that add fields to a table.
+ # script/generate migration add_fieldname_to_tablename fieldname:string
+ #
+ # This will generate the file nnn_add_fieldname_to_tablename, which will look like this:
+ # class AddFieldnameToTablename < ActiveRecord::Migration
+ # def self.up
+ # add_column :tablenames, :fieldname, :string
+ # end
+ #
+ # def self.down
+ # remove_column :tablenames, :fieldname
+ # end
+ # end
+ #
# To run migrations against the currently configured database, use
# rake db:migrate. This will update the database by running all of the
# pending migrations, creating the schema_info table if missing.
diff --git a/activerecord/lib/active_record/serializers/json_serializer.rb b/activerecord/lib/active_record/serializers/json_serializer.rb
index cf44309de76..c0a5850d5da 100644
--- a/activerecord/lib/active_record/serializers/json_serializer.rb
+++ b/activerecord/lib/active_record/serializers/json_serializer.rb
@@ -8,37 +8,32 @@ module ActiveRecord #:nodoc:
#
# konata = User.find(1)
# konata.to_json
- #
- # {"id": 1, "name": "Konata Izumi", "age": 16,
- # "created_at": "2006/08/01", "awesome": true}
+ # # => {"id": 1, "name": "Konata Izumi", "age": 16,
+ # "created_at": "2006/08/01", "awesome": true}
#
# The :only and :except options can be used to limit the attributes
# included, and work similar to the #attributes method. For example:
#
# konata.to_json(:only => [ :id, :name ])
- #
- # {"id": 1, "name": "Konata Izumi"}
+ # # => {"id": 1, "name": "Konata Izumi"}
#
# konata.to_json(:except => [ :id, :created_at, :age ])
- #
- # {"name": "Konata Izumi", "awesome": true}
+ # # => {"name": "Konata Izumi", "awesome": true}
#
# To include any methods on the model, use :methods.
#
# konata.to_json(:methods => :permalink)
- #
- # {"id": 1, "name": "Konata Izumi", "age": 16,
- # "created_at": "2006/08/01", "awesome": true,
- # "permalink": "1-konata-izumi"}
+ # # => {"id": 1, "name": "Konata Izumi", "age": 16,
+ # "created_at": "2006/08/01", "awesome": true,
+ # "permalink": "1-konata-izumi"}
#
# To include associations, use :include.
#
# konata.to_json(:include => :posts)
- #
- # {"id": 1, "name": "Konata Izumi", "age": 16,
- # "created_at": "2006/08/01", "awesome": true,
- # "posts": [{"id": 1, "author_id": 1, "title": "Welcome to the weblog"},
- # {"id": 2, author_id: 1, "title": "So I was thinking"}]}
+ # # => {"id": 1, "name": "Konata Izumi", "age": 16,
+ # "created_at": "2006/08/01", "awesome": true,
+ # "posts": [{"id": 1, "author_id": 1, "title": "Welcome to the weblog"},
+ # {"id": 2, author_id: 1, "title": "So I was thinking"}]}
#
# 2nd level and higher order associations work as well:
#
@@ -46,13 +41,12 @@ module ActiveRecord #:nodoc:
# :include => { :comments => {
# :only => :body } },
# :only => :title } })
- #
- # {"id": 1, "name": "Konata Izumi", "age": 16,
- # "created_at": "2006/08/01", "awesome": true,
- # "posts": [{"comments": [{"body": "1st post!"}, {"body": "Second!"}],
- # "title": "Welcome to the weblog"},
- # {"comments": [{"body": "Don't think too hard"}],
- # "title": "So I was thinking"}]}
+ # # => {"id": 1, "name": "Konata Izumi", "age": 16,
+ # "created_at": "2006/08/01", "awesome": true,
+ # "posts": [{"comments": [{"body": "1st post!"}, {"body": "Second!"}],
+ # "title": "Welcome to the weblog"},
+ # {"comments": [{"body": "Don't think too hard"}],
+ # "title": "So I was thinking"}]}
def to_json(options = {})
JsonSerializer.new(self, options).to_s
end
diff --git a/activerecord/lib/active_record/serializers/xml_serializer.rb b/activerecord/lib/active_record/serializers/xml_serializer.rb
index 84b1a534708..fbd15e06dc9 100644
--- a/activerecord/lib/active_record/serializers/xml_serializer.rb
+++ b/activerecord/lib/active_record/serializers/xml_serializer.rb
@@ -1,11 +1,11 @@
module ActiveRecord #:nodoc:
module Serialization
- # Builds an XML document to represent the model. Some configuration is
- # available through +options+, however more complicated cases should
- # override ActiveRecord's to_xml.
+ # Builds an XML document to represent the model. Some configuration is
+ # available through +options+. However more complicated cases should
+ # override ActiveRecord's to_xml method.
#
# By default the generated XML document will include the processing
- # instruction and all object's attributes. For example:
+ # instruction and all the object's attributes. For example:
#
#
#
@@ -23,10 +23,10 @@ module ActiveRecord #:nodoc:
#
#
# This behavior can be controlled with :only, :except,
- # :skip_instruct, :skip_types and :dasherize. The :only and
+ # :skip_instruct, :skip_types and :dasherize. The :only and
# :except options are the same as for the #attributes method.
# The default is to dasherize all column names, to disable this,
- # set :dasherize to false. To not have the column type included
+ # set :dasherize to false. To not have the column type included
# in the XML output, set :skip_types to true.
#
# For instance:
@@ -68,6 +68,36 @@ module ActiveRecord #:nodoc:
#
#
#
+ # To include deeper levels of associations pass a hash like this:
+ #
+ # firm.to_xml :include => {:account => {}, :clients => {:include => :address}}
+ #
+ #
+ # 1
+ # 1
+ # 37signals
+ #
+ #
+ # 1
+ # Summit
+ #
+ # ...
+ #
+ #
+ #
+ # 1
+ # Microsoft
+ #
+ # ...
+ #
+ #
+ #
+ #
+ # 1
+ # 50
+ #
+ #
+ #
# To include any methods on the object(s) being called use :methods
#
# firm.to_xml :methods => [ :calculated_earnings, :real_earnings ]
@@ -78,7 +108,7 @@ module ActiveRecord #:nodoc:
# 5
#
#
- # To call any Proc's on the object(s) use :procs. The Proc's
+ # To call any Procs on the object(s) use :procs. The Procs
# are passed a modified version of the options hash that was
# given to #to_xml.
#
@@ -90,7 +120,7 @@ module ActiveRecord #:nodoc:
# def
#
#
- # Alternatively, you can also just yield the builder object as part of the to_xml call:
+ # Alternatively, you can yield the builder object as part of the to_xml call:
#
# firm.to_xml do |xml|
# xml.creator do
@@ -108,7 +138,7 @@ module ActiveRecord #:nodoc:
#
#
# You can override the to_xml method in your ActiveRecord::Base
- # subclasses if you need to. The general form of doing this is
+ # subclasses if you need to. The general form of doing this is:
#
# class IHaveMyOwnXML < ActiveRecord::Base
# def to_xml(options = {})
@@ -155,13 +185,6 @@ module ActiveRecord #:nodoc:
!options.has_key?(:dasherize) || options[:dasherize]
end
-
- # To replicate the behavior in ActiveRecord#attributes,
- # :except takes precedence over :only. If :only is not set
- # for a N level model but is set for the N+1 level models,
- # then because :except is set to a default value, the second
- # level model can have both :except and :only set. So if
- # :only is set, always delete :except.
def serializable_attributes
serializable_attribute_names.collect { |name| Attribute.new(name, @record) }
end
@@ -251,7 +274,7 @@ module ActiveRecord #:nodoc:
# There is a significant speed improvement if the value
# does not need to be escaped, as #tag! escapes all values
- # to ensure that valid XML is generated. For known binary
+ # to ensure that valid XML is generated. For known binary
# values, it is at least an order of magnitude faster to
# Base64 encode binary values and directly put them in the
# output XML than to pass the original value or the Base64
diff --git a/activerecord/lib/active_record/timestamp.rb b/activerecord/lib/active_record/timestamp.rb
index 84ae3785a2a..95e29847cb1 100644
--- a/activerecord/lib/active_record/timestamp.rb
+++ b/activerecord/lib/active_record/timestamp.rb
@@ -5,7 +5,7 @@ module ActiveRecord
# Timestamping can be turned off by setting
# ActiveRecord::Base.record_timestamps = false
#
- # Timestamps are in the local timezone by default but can use UTC by setting
+ # Timestamps are in the local timezone by default but you can use UTC by setting
# ActiveRecord::Base.default_timezone = :utc
module Timestamp
def self.included(base) #:nodoc:
diff --git a/activeresource/CHANGELOG b/activeresource/CHANGELOG
index cbb56c56096..1e1459df672 100644
--- a/activeresource/CHANGELOG
+++ b/activeresource/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Improve documentation. [Radar, Jan De Poorter, chuyeow, xaviershay, danger, miloops, Xavier Noria, Sunny Ripert]
+
* Use HEAD instead of GET in exists? [bscofield]
* Fix small documentation typo. Closes #10670 [l.guidi]
diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index 96c9011838f..ff9cd4d9793 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Improve documentation. [Radar, Jan De Poorter, chuyeow, xaviershay, danger, miloops, Xavier Noria, Sunny Ripert]
+
* Ensure that TimeWithZone#to_yaml works when passed a YAML::Emitter. [rick]
* Ensure correct TimeWithZone#to_date [Geoff Buesing]
diff --git a/activesupport/lib/active_support/basic_object.rb b/activesupport/lib/active_support/basic_object.rb
index bb01a475086..e06da79d26c 100644
--- a/activesupport/lib/active_support/basic_object.rb
+++ b/activesupport/lib/active_support/basic_object.rb
@@ -1,6 +1,11 @@
-# Ruby 1.9 introduces BasicObject which differs slighly from Builder's BlankSlate
-# that had been used so far ActiveSupport::BasicObject provides a barebones object with
-# the same method on both versions.
+# A base class with no predefined methods that tries to behave like Builder's
+# BlankSlate in Ruby 1.9. In Ruby pre-1.9, this is actually the
+# Builder::BlankSlate class.
+#
+# Ruby 1.9 introduces BasicObject which differs slightly from Builder's
+# BlankSlate that has been used so far. ActiveSupport::BasicObject provides a
+# barebones base class that emulates Builder::BlankSlate while still relying on
+# Ruby 1.9's BasicObject in Ruby 1.9.
module ActiveSupport
if RUBY_VERSION >= '1.9'
class BasicObject < ::BasicObject
diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb
index 7574dc13cd8..e46d7c1884d 100644
--- a/activesupport/lib/active_support/core_ext/array/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/array/conversions.rb
@@ -24,7 +24,8 @@ module ActiveSupport #:nodoc:
end
end
- # Calls to_param on all its elements and joins the result with slashes. This is used by url_for in Action Pack.
+ # Calls to_param on all its elements and joins the result with
+ # slashes. This is used by url_for in Action Pack.
def to_param
map(&:to_param).join '/'
end
@@ -32,8 +33,9 @@ module ActiveSupport #:nodoc:
# Converts an array into a string suitable for use as a URL query string, using the given key as the
# param name.
#
- # ==== Example:
- # ['Rails', 'coding'].to_query('hobbies') => "hobbies%5B%5D=Rails&hobbies%5B%5D=coding"
+ # Example:
+ #
+ # ['Rails', 'coding'].to_query('hobbies') # => "hobbies%5B%5D=Rails&hobbies%5B%5D=coding"
def to_query(key)
collect { |value| value.to_query("#{key}[]") } * '&'
end
@@ -45,6 +47,15 @@ module ActiveSupport #:nodoc:
end
end
+ # Converts a collection of elements into a formatted string by calling
+ # to_s on all elements and joining them:
+ #
+ # Blog.find(:all).to_formatted_s # => "First PostSecond PostThird Post"
+ #
+ # Adding in the :db argument as the format yields a prettier
+ # output:
+ #
+ # Blog.find(:all).to_formatted_s(:db) # => "First Post,Second Post,Third Post"
def to_formatted_s(format = :default)
case format
when :db
@@ -58,6 +69,48 @@ module ActiveSupport #:nodoc:
end
end
+ # Returns a string that represents this array in XML by sending
+ # to_xml to each element.
+ #
+ # All elements are expected to respond to to_xml, if any of
+ # them does not an exception is raised.
+ #
+ # The root node reflects the class name of the first element in plural
+ # if all elements belong to the same type and that's not Hash.
+ # Otherwise the root element is "records".
+ #
+ # Root children have as node name the one of the root singularized.
+ #
+ # Example:
+ #
+ # [{:foo => 1, :bar => 2}, {:baz => 3}].to_xml
+ #
+ #
+ #
+ #
+ # 2
+ # 1
+ #
+ #
+ # 3
+ #
+ #
+ #
+ # The +options+ hash is passed downwards:
+ #
+ # [Message.find(:first)].to_xml(:skip_types => true)
+ #
+ #
+ #
+ #
+ # 2008-03-07T09:58:18+01:00
+ # 1
+ # 1
+ # 2008-03-07T09:58:18+01:00
+ # 1
+ #
+ #
+ #
def to_xml(options = {})
raise "Not all elements respond to to_xml" unless all? { |e| e.respond_to? :to_xml }
diff --git a/activesupport/lib/active_support/core_ext/array/grouping.rb b/activesupport/lib/active_support/core_ext/array/grouping.rb
index 52ed61d3dc7..ed5ec72dafa 100644
--- a/activesupport/lib/active_support/core_ext/array/grouping.rb
+++ b/activesupport/lib/active_support/core_ext/array/grouping.rb
@@ -8,7 +8,7 @@ module ActiveSupport #:nodoc:
# slots with specified value (nil by default) unless it is
# false.
#
- # E.g.
+ # Examples:
#
# %w(1 2 3 4 5 6 7).in_groups_of(3) {|g| p g}
# ["1", "2", "3"]
@@ -45,7 +45,7 @@ module ActiveSupport #:nodoc:
# Divide the array into one or more subarrays based on a delimiting +value+
# or the result of an optional block.
#
- # ex.
+ # Examples:
#
# [1, 2, 3, 4, 5].split(3) # => [[1, 2], [4, 5]]
# (1..10).to_a.split { |i| i % 3 == 0 } # => [[1, 2], [4, 5], [7, 8], [10]]
diff --git a/activesupport/lib/active_support/core_ext/blank.rb b/activesupport/lib/active_support/core_ext/blank.rb
index c4695816e2a..f4def18ae90 100644
--- a/activesupport/lib/active_support/core_ext/blank.rb
+++ b/activesupport/lib/active_support/core_ext/blank.rb
@@ -1,5 +1,5 @@
class Object
- # An object is blank if it's nil, empty, or a whitespace string.
+ # An object is blank if it's false, empty, or a whitespace string.
# For example, "", " ", nil, [], and {} are blank.
#
# This simplifies
diff --git a/activesupport/lib/active_support/core_ext/class/removal.rb b/activesupport/lib/active_support/core_ext/class/removal.rb
index 0c70e7181aa..f768313abec 100644
--- a/activesupport/lib/active_support/core_ext/class/removal.rb
+++ b/activesupport/lib/active_support/core_ext/class/removal.rb
@@ -1,12 +1,21 @@
class Class #:nodoc:
+
+ # Will unassociate the class with its subclasses as well as uninitializing the subclasses themselves.
+ # >> Integer.remove_subclasses
+ # => [Bignum, Fixnum]
+ # >> Fixnum
+ # NameError: uninitialized constant Fixnum
def remove_subclasses
Object.remove_subclasses_of(self)
end
+ # Returns a list of classes that inherit from this class in an array.
+ # Example: Integer.subclasses => ["Bignum", "Fixnum"]
def subclasses
Object.subclasses_of(self).map { |o| o.to_s }
end
+ # Allows you to remove individual subclasses or a selection of subclasses from a class without removing all of them.
def remove_class(*klasses)
klasses.flatten.each do |klass|
# Skip this class if there is nothing bound to this name
diff --git a/activesupport/lib/active_support/core_ext/date/calculations.rb b/activesupport/lib/active_support/core_ext/date/calculations.rb
index ab3b5e38f0a..d1a30c3f73e 100644
--- a/activesupport/lib/active_support/core_ext/date/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date/calculations.rb
@@ -16,10 +16,12 @@ module ActiveSupport #:nodoc:
end
module ClassMethods
+ # Finds yesterday's date, in the format similar to: Mon, 17 Mar 2008
def yesterday
::Date.today.yesterday
end
+ # Finds tommorrow's date, in the format similar to: Tue, 18 Mar 2008
def tomorrow
::Date.today.tomorrow
end
diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb
index c448d0454d0..1b96eb166a2 100644
--- a/activesupport/lib/active_support/core_ext/enumerable.rb
+++ b/activesupport/lib/active_support/core_ext/enumerable.rb
@@ -2,7 +2,7 @@ module Enumerable
# Collect an enumerable into sets, grouped by the result of a block. Useful,
# for example, for grouping records by date.
#
- # e.g.
+ # Example:
#
# latest_transcripts.group_by(&:day).each do |day, transcripts|
# p "#{day} -> #{transcripts.map(&:class) * ', '}"
@@ -23,18 +23,21 @@ module Enumerable
# Calculates a sum from the elements. Examples:
#
- # payments.sum { |p| p.price * p.tax_rate }
- # payments.sum(&:price)
+ # payments.sum { |p| p.price * p.tax_rate }
+ # payments.sum(&:price)
#
- # This is instead of payments.inject { |sum, p| sum + p.price }
+ # This is instead of
+ #
+ # payments.inject { |sum, p| sum + p.price }
#
# Also calculates sums without the use of a block:
+ #
# [5, 15, 10].sum # => 30
#
# The default identity (sum of an empty list) is zero.
# However, you can override this default:
#
- # [].sum(Payment.new(0)) { |i| i.amount } # => Payment.new(0)
+ # [].sum(Payment.new(0)) { |i| i.amount } # => Payment.new(0)
#
def sum(identity = 0, &block)
return identity unless size > 0
diff --git a/activesupport/lib/active_support/core_ext/file.rb b/activesupport/lib/active_support/core_ext/file.rb
index cd43be37e32..45d93b220f7 100644
--- a/activesupport/lib/active_support/core_ext/file.rb
+++ b/activesupport/lib/active_support/core_ext/file.rb
@@ -3,16 +3,16 @@ require 'tempfile'
# Write to a file atomically. Useful for situations where you don't
# want other processes or threads to see half-written files.
#
-# File.atomic_write("important.file") do |file|
-# file.write("hello")
-# end
+# File.atomic_write("important.file") do |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.
#
-# File.atomic_write("/data/something.imporant", "/data/tmp") do |f|
-# file.write("hello")
-# end
+# File.atomic_write("/data/something.important", "/data/tmp") do |f|
+# file.write("hello")
+# end
def File.atomic_write(file_name, temp_dir = Dir.tmpdir)
temp_file = Tempfile.new(File.basename(file_name), temp_dir)
yield temp_file
diff --git a/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb b/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
index fda0489e768..2213b091440 100644
--- a/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
+++ b/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
@@ -1,5 +1,6 @@
# This class has dubious semantics and we only have it so that
# people can write params[:key] instead of params['key']
+# and they get the same value for both keys.
class HashWithIndifferentAccess < Hash
def initialize(constructor = {})
@@ -22,10 +23,38 @@ class HashWithIndifferentAccess < Hash
alias_method :regular_writer, :[]= unless method_defined?(:regular_writer)
alias_method :regular_update, :update unless method_defined?(:regular_update)
+ #
+ # Assigns a new value to the hash.
+ #
+ # Example:
+ #
+ # hash = HashWithIndifferentAccess.new
+ # hash[:key] = "value"
+ #
def []=(key, value)
regular_writer(convert_key(key), convert_value(value))
end
+ #
+ # Updates the instantized hash with values from the second.
+ #
+ # Example:
+ #
+ # >> hash_1 = HashWithIndifferentAccess.new
+ # => {}
+ #
+ # >> hash_1[:key] = "value"
+ # => "value"
+ #
+ # >> hash_2 = HashWithIndifferentAccess.new
+ # => {}
+ #
+ # >> hash_2[:key] = "New Value!"
+ # => "New Value!"
+ #
+ # >> hash_1.update(hash_2)
+ # => {"key"=>"New Value!"}
+ #
def update(other_hash)
other_hash.each_pair { |key, value| regular_writer(convert_key(key), convert_value(value)) }
self
@@ -33,6 +62,7 @@ class HashWithIndifferentAccess < Hash
alias_method :merge!, :update
+ # Checks the hash for a key matching the argument passed in
def key?(key)
super(convert_key(key))
end
@@ -41,22 +71,28 @@ class HashWithIndifferentAccess < Hash
alias_method :has_key?, :key?
alias_method :member?, :key?
+ # Fetches the value for the specified key, same as doing hash[key]
def fetch(key, *extras)
super(convert_key(key), *extras)
end
+ # Returns an array of the values at the specified indicies.
def values_at(*indices)
indices.collect {|key| self[convert_key(key)]}
end
+ # Returns an exact copy of the hash.
def dup
HashWithIndifferentAccess.new(self)
end
+ # Merges the instantized and the specified hashes together, giving precedence to the values from the second hash
+ # Does not overwrite the existing hash.
def merge(hash)
self.dup.update(hash)
end
+ # Removes a specified key from the hash.
def delete(key)
super(convert_key(key))
end
diff --git a/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb b/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb
index 3c4908ac9e7..0ec05380243 100644
--- a/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb
+++ b/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb
@@ -10,10 +10,13 @@ module ActiveSupport #:nodoc:
#
# The default :size and :velocity is only set if the +options+ passed in doesn't already have those keys set.
module ReverseMerge
+ # Performs the opposite of merge, with the keys and values from the first hash taking precedence over the second.
def reverse_merge(other_hash)
other_hash.merge(self)
end
+ # Performs the opposite of merge, with the keys and values from the first hash taking precedence over the second.
+ # Modifies the receiver in place.
def reverse_merge!(other_hash)
replace(reverse_merge(other_hash))
end
diff --git a/activesupport/lib/active_support/core_ext/integer/even_odd.rb b/activesupport/lib/active_support/core_ext/integer/even_odd.rb
index 7ea4cbf2bac..b53bcd066c4 100644
--- a/activesupport/lib/active_support/core_ext/integer/even_odd.rb
+++ b/activesupport/lib/active_support/core_ext/integer/even_odd.rb
@@ -1,11 +1,14 @@
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module Integer #:nodoc:
- # For checking if a fixnum is even or odd.
- # * 1.even? # => false
- # * 1.odd? # => true
- # * 2.even? # => true
- # * 2.odd? # => false
+ # For checking if a fixnum is even or odd.
+ #
+ # Examples:
+ #
+ # 1.even? # => false
+ # 1.odd? # => true
+ # 2.even? # => true
+ # 2.odd? # => false
module EvenOdd
def multiple_of?(number)
self % number == 0
diff --git a/activesupport/lib/active_support/core_ext/integer/inflections.rb b/activesupport/lib/active_support/core_ext/integer/inflections.rb
index 87b57e3adfb..252b2c55930 100644
--- a/activesupport/lib/active_support/core_ext/integer/inflections.rb
+++ b/activesupport/lib/active_support/core_ext/integer/inflections.rb
@@ -7,7 +7,8 @@ module ActiveSupport #:nodoc:
# Ordinalize turns a number into an ordinal string used to denote the
# position in an ordered sequence such as 1st, 2nd, 3rd, 4th.
#
- # Examples
+ # Examples:
+ #
# 1.ordinalize # => "1st"
# 2.ordinalize # => "2nd"
# 1002.ordinalize # => "1002nd"
diff --git a/activesupport/lib/active_support/core_ext/kernel/reporting.rb b/activesupport/lib/active_support/core_ext/kernel/reporting.rb
index a5cec502451..0f101e8fa44 100644
--- a/activesupport/lib/active_support/core_ext/kernel/reporting.rb
+++ b/activesupport/lib/active_support/core_ext/kernel/reporting.rb
@@ -42,6 +42,14 @@ module Kernel
stream.reopen(old_stream)
end
+ # Blocks and ignores any exception passed as argument if raised within the block.
+ #
+ # suppress(ZeroDivisionError) do
+ # 1/0
+ # puts "This code is NOT reached"
+ # end
+ #
+ # puts "This code gets executed and nothing related to ZeroDivisionError was seen"
def suppress(*exception_classes)
begin yield
rescue Exception => e
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 7f2fb9641b6..e0be31090c3 100644
--- a/activesupport/lib/active_support/core_ext/module/attr_internal.rb
+++ b/activesupport/lib/active_support/core_ext/module/attr_internal.rb
@@ -13,7 +13,8 @@ class Module
end
end
- # Declare attributes backed by 'internal' instance variables names.
+ # Declare an attribute reader and writer backed by an internally-named instance
+ # variable.
def attr_internal_accessor(*attrs)
attr_internal_reader(*attrs)
attr_internal_writer(*attrs)
diff --git a/activesupport/lib/active_support/core_ext/module/inclusion.rb b/activesupport/lib/active_support/core_ext/module/inclusion.rb
index efc00d6f281..4f23841645a 100644
--- a/activesupport/lib/active_support/core_ext/module/inclusion.rb
+++ b/activesupport/lib/active_support/core_ext/module/inclusion.rb
@@ -1,4 +1,23 @@
class Module
+ # Returns the classes in the current ObjectSpace where this module has been
+ # mixed in according to Module#included_modules.
+ #
+ # module M
+ # end
+ #
+ # module N
+ # include M
+ # end
+ #
+ # class C
+ # include M
+ # end
+ #
+ # class D < C
+ # end
+ #
+ # p M.included_in_classes # => [C, D]
+ #
def included_in_classes
classes = []
ObjectSpace.each_object(Class) { |k| classes << k if k.included_modules.include?(self) }
diff --git a/activesupport/lib/active_support/core_ext/module/introspection.rb b/activesupport/lib/active_support/core_ext/module/introspection.rb
index ddc9297b954..40bbebb7c4e 100644
--- a/activesupport/lib/active_support/core_ext/module/introspection.rb
+++ b/activesupport/lib/active_support/core_ext/module/introspection.rb
@@ -1,13 +1,38 @@
class Module
- # Return the module which contains this one; if this is a root module, such as
- # +::MyModule+, then Object is returned.
+ # Returns the module which contains this one according to its name.
+ #
+ # module M
+ # module N
+ # end
+ # end
+ # X = M::N
+ #
+ # p M::N.parent # => M
+ # p X.parent # => M
+ #
+ # The parent of top-level and anonymous modules is Object.
+ #
+ # p M.parent # => Object
+ # p Module.new.parent # => Object
+ #
def parent
parent_name = name.split('::')[0..-2] * '::'
parent_name.empty? ? Object : parent_name.constantize
end
- # Return all the parents of this module, ordered from nested outwards. The
- # receiver is not contained within the result.
+ # Returns all the parents of this module according to its name, ordered from
+ # nested outwards. The receiver is not contained within the result.
+ #
+ # module M
+ # module N
+ # end
+ # end
+ # X = M::N
+ #
+ # p M.parents # => [Object]
+ # p M::N.parents # => [M, Object]
+ # p X.parents # => [M, Object]
+ #
def parents
parents = []
parts = name.split('::')[0..-2]
@@ -20,7 +45,7 @@ class Module
end
if RUBY_VERSION < '1.9'
- # Return the constants that have been defined locally by this object and
+ # Returns the constants that have been defined locally by this object and
# not in an ancestor. This method is exact if running under Ruby 1.9. In
# previous versions it may miss some constants if their definition in some
# ancestor is identical to their definition in the receiver.
diff --git a/activesupport/lib/active_support/core_ext/module/loading.rb b/activesupport/lib/active_support/core_ext/module/loading.rb
index 36c0c614052..4b4b110b257 100644
--- a/activesupport/lib/active_support/core_ext/module/loading.rb
+++ b/activesupport/lib/active_support/core_ext/module/loading.rb
@@ -1,4 +1,14 @@
class Module
+ # Returns String#underscore applied to the module name minus trailing classes.
+ #
+ # ActiveRecord.as_load_path # => "active_record"
+ # ActiveRecord::Associations.as_load_path # => "active_record/associations"
+ # ActiveRecord::Base.as_load_path # => "active_record" (Base is a class)
+ #
+ # The Kernel module gives an empty string by definition.
+ #
+ # Kernel.as_load_path # => ""
+ # Math.as_load_path # => "math"
def as_load_path
if self == Object || self == Kernel
''
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 57276135c4c..f091acb9696 100644
--- a/activesupport/lib/active_support/core_ext/object/instance_variables.rb
+++ b/activesupport/lib/active_support/core_ext/object/instance_variables.rb
@@ -6,6 +6,16 @@ class Object
end
end
+ # Returns a hash that maps instance variable names without "@" to their
+ # corresponding values. Keys are strings both in Ruby 1.8 and 1.9.
+ #
+ # class C
+ # def initialize(x, y)
+ # @x, @y = x, y
+ # end
+ # end
+ #
+ # C.new(0, 1).instance_values # => {"x" => 0, "y" => 1}
def instance_values #:nodoc:
instance_variables.inject({}) do |values, name|
values[name.to_s[1..-1]] = instance_variable_get(name)
@@ -13,10 +23,44 @@ class Object
end
end
+ # Returns an array of instance variable names including "@". They are strings
+ # both in Ruby 1.8 and 1.9.
+ #
+ # class C
+ # def initialize(x, y)
+ # @x, @y = x, y
+ # end
+ # end
+ #
+ # C.new(0, 1).instance_variable_names # => ["@y", "@x"]
def instance_variable_names
instance_variables.map(&:to_s)
end
+ # Copies the instance variables of +object+ into self.
+ #
+ # Instance variable names in the +exclude+ array are ignored. If +object+
+ # responds to protected_instance_variables the ones returned are
+ # also ignored. For example, Rails controllers implement that method.
+ #
+ # In both cases strings and symbols are understood, and they have to include
+ # the at sign.
+ #
+ # class C
+ # def initialize(x, y, z)
+ # @x, @y, @z = x, y, z
+ # end
+ #
+ # def protected_instance_variables
+ # %w(@z)
+ # end
+ # end
+ #
+ # a = C.new(0, 1, 2)
+ # b = C.new(3, 4, 5)
+ #
+ # a.copy_instance_variables_from(b, [:@y])
+ # # a is now: @x = 3, @y = 1, @z = 2
def copy_instance_variables_from(object, exclude = []) #:nodoc:
exclude += object.protected_instance_variables if object.respond_to? :protected_instance_variables
diff --git a/activesupport/lib/active_support/core_ext/range/conversions.rb b/activesupport/lib/active_support/core_ext/range/conversions.rb
index 3d12605f4d9..8d757646d34 100644
--- a/activesupport/lib/active_support/core_ext/range/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/range/conversions.rb
@@ -13,7 +13,12 @@ module ActiveSupport #:nodoc:
alias_method :to_s, :to_formatted_s
end
end
-
+ # Gives a human readable format of the range.
+ #
+ # Example:
+ #
+ # >> [1..100].to_formatted_s
+ # => "1..100"
def to_formatted_s(format = :default)
RANGE_FORMATS[format] ? RANGE_FORMATS[format].call(first, last) : to_default_s
end
diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb
index 72a93c217fa..a009d7c085d 100644
--- a/activesupport/lib/active_support/core_ext/string/inflections.rb
+++ b/activesupport/lib/active_support/core_ext/string/inflections.rb
@@ -5,44 +5,42 @@ module ActiveSupport #:nodoc:
module String #:nodoc:
# String inflections define new methods on the String class to transform names for different purposes.
# For instance, you can figure out the name of a database from the name of a class.
- # "ScaleScore".tableize => "scale_scores"
+ #
+ # "ScaleScore".tableize # => "scale_scores"
module Inflections
# Returns the plural form of the word in the string.
#
- # Examples
- # "post".pluralize #=> "posts"
- # "octopus".pluralize #=> "octopi"
- # "sheep".pluralize #=> "sheep"
- # "words".pluralize #=> "words"
- # "the blue mailman".pluralize #=> "the blue mailmen"
- # "CamelOctopus".pluralize #=> "CamelOctopi"
+ # "post".pluralize # => "posts"
+ # "octopus".pluralize # => "octopi"
+ # "sheep".pluralize # => "sheep"
+ # "words".pluralize # => "words"
+ # "the blue mailman".pluralize # => "the blue mailmen"
+ # "CamelOctopus".pluralize # => "CamelOctopi"
def pluralize
Inflector.pluralize(self)
end
- # The reverse of pluralize, returns the singular form of a word in a string.
+ # The reverse of +pluralize+, returns the singular form of a word in a string.
#
- # Examples
- # "posts".singularize #=> "post"
- # "octopi".singularize #=> "octopus"
- # "sheep".singluarize #=> "sheep"
- # "word".singluarize #=> "word"
- # "the blue mailmen".singularize #=> "the blue mailman"
- # "CamelOctopi".singularize #=> "CamelOctopus"
+ # "posts".singularize # => "post"
+ # "octopi".singularize # => "octopus"
+ # "sheep".singluarize # => "sheep"
+ # "word".singluarize # => "word"
+ # "the blue mailmen".singularize # => "the blue mailman"
+ # "CamelOctopi".singularize # => "CamelOctopus"
def singularize
Inflector.singularize(self)
end
- # By default, camelize converts strings to UpperCamelCase. If the argument to camelize
- # is set to ":lower" then camelize produces lowerCamelCase.
+ # By default, +camelize+ converts strings to UpperCamelCase. If the argument to camelize
+ # is set to :lower then camelize produces lowerCamelCase.
#
- # camelize will also convert '/' to '::' which is useful for converting paths to namespaces
+ # +camelize+ will also convert '/' to '::' which is useful for converting paths to namespaces.
#
- # Examples
- # "active_record".camelize #=> "ActiveRecord"
- # "active_record".camelize(:lower) #=> "activeRecord"
- # "active_record/errors".camelize #=> "ActiveRecord::Errors"
- # "active_record/errors".camelize(:lower) #=> "activeRecord::Errors"
+ # "active_record".camelize # => "ActiveRecord"
+ # "active_record".camelize(:lower) # => "activeRecord"
+ # "active_record/errors".camelize # => "ActiveRecord::Errors"
+ # "active_record/errors".camelize(:lower) # => "activeRecord::Errors"
def camelize(first_letter = :upper)
case first_letter
when :upper then Inflector.camelize(self, true)
@@ -52,78 +50,72 @@ module ActiveSupport #:nodoc:
alias_method :camelcase, :camelize
# Capitalizes all the words and replaces some characters in the string to create
- # a nicer looking title. Titleize is meant for creating pretty output. It is not
+ # a nicer looking title. +titleize+ is meant for creating pretty output. It is not
# used in the Rails internals.
#
- # titleize is also aliased as as titlecase
+ # +titleize+ is also aliased as +titlecase+.
#
- # Examples
- # "man from the boondocks".titleize #=> "Man From The Boondocks"
- # "x-men: the last stand".titleize #=> "X Men: The Last Stand"
+ # "man from the boondocks".titleize # => "Man From The Boondocks"
+ # "x-men: the last stand".titleize # => "X Men: The Last Stand"
def titleize
Inflector.titleize(self)
end
alias_method :titlecase, :titleize
- # The reverse of +camelize+. Makes an underscored form from the expression in the string.
+ # The reverse of +camelize+. Makes an underscored, lowercase form from the expression in the string.
#
- # Changes '::' to '/' to convert namespaces to paths.
+ # +underscore+ will also change '::' to '/' to convert namespaces to paths.
#
- # Examples
- # "ActiveRecord".underscore #=> "active_record"
- # "ActiveRecord::Errors".underscore #=> active_record/errors
+ # "ActiveRecord".underscore # => "active_record"
+ # "ActiveRecord::Errors".underscore # => active_record/errors
def underscore
Inflector.underscore(self)
end
# Replaces underscores with dashes in the string.
#
- # Example
- # "puni_puni" #=> "puni-puni"
+ # "puni_puni" # => "puni-puni"
def dasherize
Inflector.dasherize(self)
end
- # Removes the module part from the expression in the string
+ # Removes the module part from the constant expression in the string.
#
- # Examples
- # "ActiveRecord::CoreExtensions::String::Inflections".demodulize #=> "Inflections"
- # "Inflections".demodulize #=> "Inflections"
+ # "ActiveRecord::CoreExtensions::String::Inflections".demodulize # => "Inflections"
+ # "Inflections".demodulize # => "Inflections"
def demodulize
Inflector.demodulize(self)
end
- # Create the name of a table like Rails does for models to table names. This method
- # uses the pluralize method on the last word in the string.
+ # Creates the name of a table like Rails does for models to table names. This method
+ # uses the +pluralize+ method on the last word in the string.
#
- # Examples
- # "RawScaledScorer".tableize #=> "raw_scaled_scorers"
- # "egg_and_ham".tableize #=> "egg_and_hams"
- # "fancyCategory".tableize #=> "fancy_categories"
+ # "RawScaledScorer".tableize # => "raw_scaled_scorers"
+ # "egg_and_ham".tableize # => "egg_and_hams"
+ # "fancyCategory".tableize # => "fancy_categories"
def tableize
Inflector.tableize(self)
end
# Create 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.)
+ # Note that this returns a string and not a class. (To convert to an actual class
+ # follow +classify+ with +constantize+.)
#
- # Examples
- # "egg_and_hams".classify #=> "EggAndHam"
- # "posts".classify #=> "Post"
+ # "egg_and_hams".classify # => "EggAndHam"
+ # "posts".classify # => "Post"
#
- # Singular names are not handled correctly
- # "business".classify #=> "Busines"
+ # Singular names are not handled correctly.
+ #
+ # "business".classify # => "Busines"
def classify
Inflector.classify(self)
end
- # Capitalizes the first word and turns underscores into spaces and strips _id.
- # Like titleize, this is meant for creating pretty output.
+ # Capitalizes the first word, turns underscores into spaces, and strips '_id'.
+ # Like +titleize+, this is meant for creating pretty output.
#
- # Examples
- # "employee_salary" #=> "Employee salary"
- # "author_id" #=> "Author"
+ # "employee_salary" # => "Employee salary"
+ # "author_id" # => "Author"
def humanize
Inflector.humanize(self)
end
@@ -133,20 +125,20 @@ module ActiveSupport #:nodoc:
# the method should put '_' between the name and 'id'.
#
# Examples
- # "Message".foreign_key #=> "message_id"
- # "Message".foreign_key(false) #=> "messageid"
- # "Admin::Post".foreign_key #=> "post_id"
+ # "Message".foreign_key # => "message_id"
+ # "Message".foreign_key(false) # => "messageid"
+ # "Admin::Post".foreign_key # => "post_id"
def foreign_key(separate_class_name_and_id_with_underscore = true)
Inflector.foreign_key(self, separate_class_name_and_id_with_underscore)
end
- # Constantize tries to find a declared constant with the name specified
+ # +constantize+ tries to find a declared constant with the name specified
# in the string. It raises a NameError when the name is not in CamelCase
# or is not initialized.
#
# Examples
- # "Module".constantize #=> Module
- # "Class".constantize #=> Class
+ # "Module".constantize # => Module
+ # "Class".constantize # => Class
def constantize
Inflector.constantize(self)
end
diff --git a/activesupport/lib/active_support/core_ext/string/unicode.rb b/activesupport/lib/active_support/core_ext/string/unicode.rb
index eab1c1d2463..0e00b321947 100644
--- a/activesupport/lib/active_support/core_ext/string/unicode.rb
+++ b/activesupport/lib/active_support/core_ext/string/unicode.rb
@@ -27,7 +27,7 @@ module ActiveSupport #:nodoc:
# object. Interoperability problems can be resolved easily with a +to_s+ call.
#
# For more information about the methods defined on the Chars proxy see ActiveSupport::Multibyte::Chars and
- # ActiveSupport::Multibyte::Handlers::UTF8Handler
+ # ActiveSupport::Multibyte::Handlers::UTF8Handler.
def chars
ActiveSupport::Multibyte::Chars.new(self)
end
diff --git a/activesupport/lib/active_support/core_ext/time/zones.rb b/activesupport/lib/active_support/core_ext/time/zones.rb
index ee1d33fbc8c..e7610d144f1 100644
--- a/activesupport/lib/active_support/core_ext/time/zones.rb
+++ b/activesupport/lib/active_support/core_ext/time/zones.rb
@@ -43,18 +43,18 @@ module ActiveSupport #:nodoc:
end
end
- # Returns the simultaneous time in Time.zone. Example:
+ # Returns the simultaneous time in Time.zone.
#
- # Time.zone = 'Hawaii' # => 'Hawaii'
- # Time.utc(2000).in_time_zone # => Fri, 31 Dec 1999 14:00:00 HST -10:00
+ # Time.zone = 'Hawaii' # => 'Hawaii'
+ # Time.utc(2000).in_time_zone # => Fri, 31 Dec 1999 14:00:00 HST -10:00
#
# This method is similar to Time#localtime, except that it uses Time.zone as the local zone
# instead of the operating system's time zone.
#
# You can also pass in a TimeZone instance or string that identifies a TimeZone as an argument,
- # and the conversion will be based on that zone instead of Time.zone. Example:
+ # and the conversion will be based on that zone instead of Time.zone.
#
- # Time.utc(2000).in_time_zone('Alaska') # => Fri, 31 Dec 1999 15:00:00 AKST -09:00
+ # Time.utc(2000).in_time_zone('Alaska') # => Fri, 31 Dec 1999 15:00:00 AKST -09:00
def in_time_zone(zone = ::Time.zone)
ActiveSupport::TimeWithZone.new(utc? ? self : getutc, ::Time.send!(:get_zone, zone))
end
diff --git a/activesupport/lib/active_support/gzip.rb b/activesupport/lib/active_support/gzip.rb
index c65944dacdc..35a50e9a777 100644
--- a/activesupport/lib/active_support/gzip.rb
+++ b/activesupport/lib/active_support/gzip.rb
@@ -2,15 +2,18 @@ require 'zlib'
require 'stringio'
module ActiveSupport
+ # A convenient wrapper for the zlib standard library that allows compression/decompression of strings with gzip.
module Gzip
class Stream < StringIO
def close; rewind; end
end
+ # Decompresses a gzipped string.
def self.decompress(source)
Zlib::GzipReader.new(StringIO.new(source)).read
end
+ # Compresses a string using gzip.
def self.compress(source)
output = Stream.new
gz = Zlib::GzipWriter.new(output)
diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 9d3976da202..9f724619e96 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -165,7 +165,7 @@ module Inflector
humanize(underscore(word)).gsub(/\b('?[a-z])/) { $1.capitalize }
end
- # The reverse of +camelize+. Makes an underscored form from the expression in the string.
+ # The reverse of +camelize+. Makes an underscored, lowercase form from the expression in the string.
#
# Changes '::' to '/' to convert namespaces to paths.
#
diff --git a/activesupport/lib/active_support/json/encoders/date.rb b/activesupport/lib/active_support/json/encoders/date.rb
index 853d9b868cb..d55f17962bc 100644
--- a/activesupport/lib/active_support/json/encoders/date.rb
+++ b/activesupport/lib/active_support/json/encoders/date.rb
@@ -1,5 +1,10 @@
class Date
- def to_json(options = nil) #:nodoc:
+ # Returns a JSON string representing the date.
+ #
+ # ==== Example:
+ # Date.new(2005,2,1).to_json
+ # # => "2005/02/01"
+ def to_json(options = nil)
%("#{strftime("%Y/%m/%d")}")
end
end
diff --git a/activesupport/lib/active_support/json/encoders/date_time.rb b/activesupport/lib/active_support/json/encoders/date_time.rb
index f0b04344126..380361c3603 100644
--- a/activesupport/lib/active_support/json/encoders/date_time.rb
+++ b/activesupport/lib/active_support/json/encoders/date_time.rb
@@ -1,5 +1,10 @@
class DateTime
- def to_json(options = nil) #:nodoc:
+ # Returns a JSON string representing the datetime.
+ #
+ # ==== Example:
+ # DateTime.civil(2005,2,1,15,15,10).to_json
+ # # => "2005/02/01 15:15:10 +0000"
+ def to_json(options = nil)
%("#{strftime("%Y/%m/%d %H:%M:%S %z")}")
end
end
diff --git a/activesupport/lib/active_support/json/encoders/enumerable.rb b/activesupport/lib/active_support/json/encoders/enumerable.rb
index 720fd88f90e..881b1d62c1c 100644
--- a/activesupport/lib/active_support/json/encoders/enumerable.rb
+++ b/activesupport/lib/active_support/json/encoders/enumerable.rb
@@ -2,8 +2,8 @@ module Enumerable
# Returns a JSON string representing the enumerable. Any +options+
# given will be passed on to its elements. For example:
#
- # users = User.find(:all)
- # users.to_json(:only => :name)
+ # users = User.find(:all)
+ # # => users.to_json(:only => :name)
#
# will pass the :only => :name option to each user.
def to_json(options = {}) #:nodoc:
diff --git a/activesupport/lib/active_support/json/encoders/hash.rb b/activesupport/lib/active_support/json/encoders/hash.rb
index 774803d64f1..b9bdd55fa56 100644
--- a/activesupport/lib/active_support/json/encoders/hash.rb
+++ b/activesupport/lib/active_support/json/encoders/hash.rb
@@ -5,8 +5,7 @@ class Hash
# the hash keys. For example:
#
# { :name => "Konata Izumi", 'age' => 16, 1 => 2 }.to_json
- #
- # {"name": "Konata Izumi", 1: 2, "age": 16}
+ # # => {"name": "Konata Izumi", 1: 2, "age": 16}
#
# The keys in the JSON string are unordered due to the nature of hashes.
#
@@ -14,12 +13,10 @@ class Hash
# attributes included, and will accept 1 or more hash keys to include/exclude.
#
# { :name => "Konata Izumi", 'age' => 16, 1 => 2 }.to_json(:only => [:name, 'age'])
- #
- # {"name": "Konata Izumi", "age": 16}
+ # # => {"name": "Konata Izumi", "age": 16}
#
# { :name => "Konata Izumi", 'age' => 16, 1 => 2 }.to_json(:except => 1)
- #
- # {"name": "Konata Izumi", "age": 16}
+ # # => {"name": "Konata Izumi", "age": 16}
#
# The +options+ also filter down to any hash values. This is particularly
# useful for converting hashes containing ActiveRecord objects or any object
diff --git a/activesupport/lib/active_support/json/encoders/object.rb b/activesupport/lib/active_support/json/encoders/object.rb
index 6da0d1d1c18..ca215d4964d 100644
--- a/activesupport/lib/active_support/json/encoders/object.rb
+++ b/activesupport/lib/active_support/json/encoders/object.rb
@@ -1,5 +1,5 @@
class Object
- # Dumps object in JSON (JavaScript Object Notation). See www.json.org for more info.
+ # Dumps object in JSON (JavaScript Object Notation). See www.json.org for more info.
def to_json(options = {})
ActiveSupport::JSON.encode(instance_values, options)
end
diff --git a/activesupport/lib/active_support/json/encoders/time.rb b/activesupport/lib/active_support/json/encoders/time.rb
index 4f964a92e02..b0c9189c785 100644
--- a/activesupport/lib/active_support/json/encoders/time.rb
+++ b/activesupport/lib/active_support/json/encoders/time.rb
@@ -1,5 +1,10 @@
class Time
- def to_json(options = nil) #:nodoc:
+ # Returns a JSON string representing the time.
+ #
+ # ==== Example:
+ # Time.utc(2005,2,1,15,15,10).to_json
+ # # => 2005/02/01 15:15:10 +0000"
+ def to_json(options = nil)
%("#{strftime("%Y/%m/%d %H:%M:%S")} #{formatted_offset(false)}")
end
end
diff --git a/activesupport/lib/active_support/whiny_nil.rb b/activesupport/lib/active_support/whiny_nil.rb
index f614b41fc76..983a14fd42c 100644
--- a/activesupport/lib/active_support/whiny_nil.rb
+++ b/activesupport/lib/active_support/whiny_nil.rb
@@ -18,6 +18,7 @@ class NilClass
methods.each { |method| @@method_class_map[method.to_sym] = class_name }
end
+ # Raises a RuntimeError when you attempt to call id on nil or a nil object.
def id
raise RuntimeError, "Called id for nil, which would mistakenly be 4 -- if you really wanted the id of nil, use object_id", caller
end
@@ -27,6 +28,7 @@ class NilClass
raise_nil_warning_for @@method_class_map[method], method, caller
end
+ # Raises a NoMethodError when you attempt to call a method on nil, or a nil object.
def raise_nil_warning_for(class_name = nil, selector = nil, with_caller = nil)
message = "You have a nil object when you didn't expect it!"
message << "\nYou might have expected an instance of #{class_name}." if class_name
diff --git a/railties/CHANGELOG b/railties/CHANGELOG
index bf5de6e0256..0bcf0cc3dfa 100644
--- a/railties/CHANGELOG
+++ b/railties/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Improve documentation. [Radar, Jan De Poorter, chuyeow, xaviershay, danger, miloops, Xavier Noria, Sunny Ripert]
+
* Added config.time_zone = 'UTC' as a commented-out option in the default environment.rb [Geoff Buesing]
* Adding rake tasks time:zones:all, time:zones:us and time:zones:local for finding time zone names for config.time_zone option [Geoff Buesing]
diff --git a/railties/configs/routes.rb b/railties/configs/routes.rb
index d94afa1b9d6..b579d6c7d16 100644
--- a/railties/configs/routes.rb
+++ b/railties/configs/routes.rb
@@ -17,6 +17,12 @@ ActionController::Routing::Routes.draw do |map|
# Sample resource route with sub-resources:
# map.resources :products, :has_many => [ :comments, :sales ], :has_one => :seller
+
+ # Sample resource route with more complex sub-resources
+ # map.resources :products do |products|
+ # products.resources :comments
+ # products.resources :sales, :collection => { :recent => :get }
+ # end
# Sample resource route within a namespace:
# map.namespace :admin do |admin|