diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/string')
-rw-r--r-- | activesupport/lib/active_support/core_ext/string/multibyte.rb | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/multibyte.rb b/activesupport/lib/active_support/core_ext/string/multibyte.rb index 5a2dc36f72..3bf79bc7e1 100644 --- a/activesupport/lib/active_support/core_ext/string/multibyte.rb +++ b/activesupport/lib/active_support/core_ext/string/multibyte.rb @@ -6,7 +6,9 @@ module ActiveSupport #:nodoc: # Implements multibyte methods for easier access to multibyte characters in a String instance. module Multibyte unless '1.9'.respond_to?(:force_encoding) - # +mb_chars+ is a multibyte safe proxy method for string methods. + # == Multibyte proxy + # + # +mb_chars+ is a multibyte safe proxy for string methods. # # In Ruby 1.8 and older it creates and returns an instance of the ActiveSupport::Multibyte::Chars class which # encapsulates the original string. A Unicode safe version of all the String methods are defined on this proxy @@ -19,11 +21,10 @@ module ActiveSupport #:nodoc: # name.mb_chars.reverse.to_s #=> "rellüM sualC" # name.mb_chars.length #=> 12 # - # In Ruby 1.9 and newer +mb_chars+ returns +self+ because String is (mostly) encoding aware so we don't need - # a proxy class any more. This means that +mb_chars+ makes it easier to write code that runs on multiple Ruby - # versions. + # In Ruby 1.9 and newer +mb_chars+ returns +self+ because String is (mostly) encoding aware. This means that + # it becomes easy to run one version of your code on multiple Ruby versions. # - # == Method chaining + # == Method chaining # # All the methods on the Chars proxy which normally return a string will return a Chars object. This allows # method chaining on the result of any of these methods. @@ -32,12 +33,12 @@ module ActiveSupport #:nodoc: # # == Interoperability and configuration # - # The Char object tries to be as interchangeable with String objects as possible: sorting and comparing between + # The Chars object tries to be as interchangeable with String objects as possible: sorting and comparing between # String and Char work like expected. The bang! methods change the internal string representation in the Chars # 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. For - # information about how to change the default Multibyte behaviour, see ActiveSupport::Multibyte. + # information about how to change the default Multibyte behaviour see ActiveSupport::Multibyte. def mb_chars if ActiveSupport::Multibyte.proxy_class.wants?(self) ActiveSupport::Multibyte.proxy_class.new(self) @@ -56,15 +57,11 @@ module ActiveSupport #:nodoc: alias chars mb_chars end else - # In Ruby 1.9 and newer +mb_chars+ returns self. In Ruby 1.8 and older +mb_chars+ creates and returns an - # Unicode safe proxy for string operations, this makes it easier to write code that runs on multiple Ruby - # versions. - def mb_chars + def mb_chars #:nodoc self end - # Returns true if the string has valid UTF-8 encoding. - def is_utf8? + def is_utf8? #:nodoc case encoding when Encoding::UTF_8 valid_encoding? |