diff options
Diffstat (limited to 'activesupport/lib')
9 files changed, 93 insertions, 21 deletions
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb index 3c7dbb369c..c6c7e2821b 100644 --- a/activesupport/lib/active_support/callbacks.rb +++ b/activesupport/lib/active_support/callbacks.rb @@ -54,7 +54,6 @@ module ActiveSupport # saving... # - save # saved - # module Callbacks extend Concern @@ -73,7 +72,6 @@ module ActiveSupport # run_callbacks :save do # save # end - # def run_callbacks(kind, &block) runner_name = self.class.__define_callbacks(kind, self) send(runner_name, &block) @@ -198,7 +196,6 @@ module ActiveSupport # yield self # end # end - # def define_conditional_callback name = "_conditional_callback_#{@kind}_#{next_id}" @klass.class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1 @@ -252,7 +249,6 @@ module ActiveSupport # Objects:: # a method is created that calls the before_foo method # on the object. - # def _compile_filter(filter) method_name = "_callback_#{@kind}_#{next_id}" case filter @@ -404,7 +400,6 @@ module ActiveSupport # will be called only when it returns a false value. # * <tt>:prepend</tt> - If true, the callback will be prepended to the existing # chain rather than appended. - # def set_callback(name, *filter_list, &block) mapped = nil @@ -429,7 +424,6 @@ module ActiveSupport # class Writer < Person # skip_callback :validate, :before, :check_membership, :if => lambda { self.age > 18 } # end - # def skip_callback(name, *filter_list, &block) __update_callbacks(name, filter_list, block) do |target, chain, type, filters, options| filters.each do |filter| @@ -448,7 +442,6 @@ module ActiveSupport end # Remove all set callbacks for the given event. - # def reset_callbacks(symbol) callbacks = send("_#{symbol}_callbacks") @@ -529,7 +522,6 @@ module ActiveSupport # define_callbacks :save, :scope => [:name] # # would call <tt>Audit#save</tt>. - # def define_callbacks(*callbacks) config = callbacks.last.is_a?(Hash) ? callbacks.pop : {} callbacks.each do |callback| diff --git a/activesupport/lib/active_support/core_ext/array/wrap.rb b/activesupport/lib/active_support/core_ext/array/wrap.rb index 4834eca8b1..9ea93d7226 100644 --- a/activesupport/lib/active_support/core_ext/array/wrap.rb +++ b/activesupport/lib/active_support/core_ext/array/wrap.rb @@ -25,9 +25,6 @@ class Array # Array(:foo => :bar) # => [[:foo, :bar]] # Array.wrap(:foo => :bar) # => [{:foo => :bar}] # - # Array("foo\nbar") # => ["foo\n", "bar"], in Ruby 1.8 - # Array.wrap("foo\nbar") # => ["foo\nbar"] - # # There's also a related idiom that uses the splat operator: # # [*object] diff --git a/activesupport/lib/active_support/core_ext/integer/multiple.rb b/activesupport/lib/active_support/core_ext/integer/multiple.rb index 8dff217ddc..7c6c2f1ca7 100644 --- a/activesupport/lib/active_support/core_ext/integer/multiple.rb +++ b/activesupport/lib/active_support/core_ext/integer/multiple.rb @@ -1,5 +1,9 @@ class Integer # Check whether the integer is evenly divisible by the argument. + # + # 0.multiple_of?(0) #=> true + # 6.multiple_of?(5) #=> false + # 10.multiple_of?(2) #=> true def multiple_of?(number) number != 0 ? self % number == 0 : zero? end diff --git a/activesupport/lib/active_support/core_ext/string/access.rb b/activesupport/lib/active_support/core_ext/string/access.rb index 23aaee9c43..5c32a2453d 100644 --- a/activesupport/lib/active_support/core_ext/string/access.rb +++ b/activesupport/lib/active_support/core_ext/string/access.rb @@ -1,18 +1,79 @@ require 'active_support/multibyte' class String + # If you pass a single Fixnum, returns a substring of one character at that + # position. The first character of the string is at position 0, the next at + # position 1, and so on. If a range is supplied, a substring containing + # characters at offsets given by the range is returned. In both cases, if an + # offset is negative, it is counted from the end of the string. Returns nil + # if the initial offset falls outside the string. Returns an empty string if + # the beginning of the range is greater than the end of the string. + # + # str = "hello" + # str.at(0) #=> "h" + # str.at(1..3) #=> "ell" + # str.at(-2) #=> "l" + # str.at(-2..-1) #=> "lo" + # str.at(5) #=> nil + # str.at(5..-1) #=> "" + # + # If a Regexp is given, the matching portion of the string is returned. + # If a String is given, that given string is returned if it occurs in + # the string. In both cases, nil is returned if there is no match. + # + # str = "hello" + # str.at(/lo/) #=> "lo" + # str.at(/ol/) #=> nil + # str.at("lo") #=> "lo" + # str.at("ol") #=> nil def at(position) self[position] end + # Returns a substring from the given position to the end of the string. + # If the position is negative, it is counted from the end of the string. + # + # str = "hello" + # str.from(0) #=> "hello" + # str.from(3) #=> "lo" + # str.from(-2) #=> "lo" + # + # You can mix it with +to+ method and do fun things like: + # + # str = "hello" + # str.from(0).to(-1) #=> "hello" + # str.from(1).to(-2) #=> "ell" def from(position) self[position..-1] end + # Returns a substring from the beginning of the string to the given position. + # If the position is negative, it is counted from the end of the string. + # + # str = "hello" + # str.to(0) #=> "h" + # str.to(3) #=> "hell" + # str.to(-2) #=> "hell" + # + # You can mix it with +from+ method and do fun things like: + # + # str = "hello" + # str.from(0).to(-1) #=> "hello" + # str.from(1).to(-2) #=> "ell" def to(position) self[0..position] end + # Returns the first character. If a limit is supplied, returns a substring + # from the beginning of the string until it reaches the limit value. If the + # given limit is greater than or equal to the string length, returns self. + # + # str = "hello" + # str.first #=> "h" + # str.first(1) #=> "h" + # str.first(2) #=> "he" + # str.first(0) #=> "" + # str.first(6) #=> "hello" def first(limit = 1) if limit == 0 '' @@ -23,6 +84,16 @@ class String end end + # Returns the last character of the string. If a limit is supplied, returns a substring + # from the end of the string until it reaches the limit value (counting backwards). If + # the given limit is greater than or equal to the string length, returns self. + # + # str = "hello" + # str.last #=> "o" + # str.last(1) #=> "o" + # str.last(2) #=> "lo" + # str.last(0) #=> "" + # str.last(6) #=> "hello" def last(limit = 1) if limit == 0 '' diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb index 9084bbee32..022b376aec 100644 --- a/activesupport/lib/active_support/core_ext/string/conversions.rb +++ b/activesupport/lib/active_support/core_ext/string/conversions.rb @@ -15,6 +15,12 @@ class String end end + # Converts a string to a Date value. + # + # "1-1-2012".to_date #=> Sun, 01 Jan 2012 + # "01/01/2012".to_date #=> Sun, 01 Jan 2012 + # "2012-12-13".to_date #=> Thu, 13 Dec 2012 + # "12/13/2012".to_date #=> ArgumentError: invalid date def to_date unless blank? date_values = ::Date._parse(self, false).values_at(:year, :mon, :mday) @@ -23,6 +29,12 @@ class String end end + # Converts a string to a DateTime value. + # + # "1-1-2012".to_datetime #=> Sun, 01 Jan 2012 00:00:00 +0000 + # "01/01/2012 23:59:59".to_datetime #=> Sun, 01 Jan 2012 23:59:59 +0000 + # "2012-12-13 12:50".to_datetime #=> Thu, 13 Dec 2012 12:50:00 +0000 + # "12/13/2012".to_datetime #=> ArgumentError: invalid date def to_datetime unless blank? date_values = ::Date._parse(self, false). diff --git a/activesupport/lib/active_support/core_ext/string/exclude.rb b/activesupport/lib/active_support/core_ext/string/exclude.rb index 5e184ec1b3..114bcb87f0 100644 --- a/activesupport/lib/active_support/core_ext/string/exclude.rb +++ b/activesupport/lib/active_support/core_ext/string/exclude.rb @@ -1,5 +1,10 @@ class String - # The inverse of <tt>String#include?</tt>. Returns true if the string does not include the other string. + # The inverse of <tt>String#include?</tt>. Returns true if the string + # does not include the other string. + # + # "hello".exclude? "lo" #=> false + # "hello".exclude? "ol" #=> true + # "hello".exclude? ?h #=> false def exclude?(string) !include?(string) end diff --git a/activesupport/lib/active_support/core_ext/string/filters.rb b/activesupport/lib/active_support/core_ext/string/filters.rb index 32a37296d5..2478f42290 100644 --- a/activesupport/lib/active_support/core_ext/string/filters.rb +++ b/activesupport/lib/active_support/core_ext/string/filters.rb @@ -5,7 +5,6 @@ class String # the string, and then changing remaining consecutive whitespace # groups into one space each. # - # Examples: # %{ Multi-line # string }.squish # => "Multi-line string" # " foo bar \n \t boo".squish # => "foo bar boo" diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb index 049ffe7986..070bfd7af6 100644 --- a/activesupport/lib/active_support/core_ext/string/inflections.rb +++ b/activesupport/lib/active_support/core_ext/string/inflections.rb @@ -13,7 +13,6 @@ class String # the singular form will be returned if <tt>count == 1</tt>. # For any other value of +count+ the plural will be returned. # - # ==== Examples # 'post'.pluralize # => "posts" # 'octopus'.pluralize # => "octopi" # 'sheep'.pluralize # => "sheep" @@ -46,7 +45,6 @@ class String # in the string. It raises a NameError when the name is not in CamelCase # or is not initialized. See ActiveSupport::Inflector.constantize # - # Examples # 'Module'.constantize # => Module # 'Class'.constantize # => Class # 'blargle'.constantize # => NameError: wrong constant name blargle @@ -58,7 +56,6 @@ class String # in the string. It returns nil when the name is not in CamelCase # or is not initialized. See ActiveSupport::Inflector.safe_constantize # - # Examples # 'Module'.safe_constantize # => Module # 'Class'.safe_constantize # => Class # 'blargle'.safe_constantize # => nil @@ -140,8 +137,6 @@ class String # Replaces special characters in a string so that it may be used as part of a 'pretty' URL. # - # ==== Examples - # # class Person # def to_param # "#{id}-#{name.parameterize}" @@ -194,7 +189,6 @@ class String # +separate_class_name_and_id_with_underscore+ sets whether # 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" 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 215ba87ca9..6bda970e40 100644 --- a/activesupport/lib/active_support/core_ext/string/output_safety.rb +++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb @@ -14,7 +14,6 @@ class ERB # In your ERB templates, use this method to escape any unsafe content. For example: # <%=h @person.name %> # - # ==== Example: # puts html_escape('is a > 0 & a < 10?') # # => is a > 0 & a < 10? def html_escape(s) @@ -37,7 +36,6 @@ class ERB # A utility method for escaping HTML without affecting existing escaped entities. # - # ==== Examples # html_escape_once('1 < 2 & 3') # # => "1 < 2 & 3" # |