diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/string/unicode.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/string/unicode.rb | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/unicode.rb b/activesupport/lib/active_support/core_ext/string/unicode.rb deleted file mode 100644 index 666f7bcb65..0000000000 --- a/activesupport/lib/active_support/core_ext/string/unicode.rb +++ /dev/null @@ -1,66 +0,0 @@ -module ActiveSupport #:nodoc: - module CoreExtensions #:nodoc: - module String #:nodoc: - # Define methods for handling unicode data. - module Unicode - def self.append_features(base) - if '1.8.7 and later'.respond_to?(:chars) - base.class_eval { remove_method :chars } - end - super - end - - unless '1.9'.respond_to?(:force_encoding) - # +chars+ is a Unicode safe proxy for string methods. 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 class. Undefined methods are forwarded to String, so all of the - # string overrides can also be called through the +chars+ proxy. - # - # name = 'Claus Müller' - # name.reverse # => "rell??M sualC" - # name.length # => 13 - # - # name.chars.reverse.to_s # => "rellüM sualC" - # name.chars.length # => 12 - # - # - # 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. - # - # name.chars.reverse.length # => 12 - # - # The Char 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 and - # ActiveSupport::Multibyte::Handlers::UTF8Handler. - def chars - ActiveSupport::Multibyte::Chars.new(self) - end - - # Returns true if the string has UTF-8 semantics (a String used for purely byte resources is unlikely to have - # them), returns false otherwise. - def is_utf8? - ActiveSupport::Multibyte::Handlers::UTF8Handler.consumes?(self) - end - else - def chars #:nodoc: - self - end - - def is_utf8? #:nodoc: - case encoding - when Encoding::UTF_8 - valid_encoding? - when Encoding::ASCII_8BIT - dup.force_encoding('UTF-8').valid_encoding? - else - false - end - end - end - end - end - end -end |