diff options
Diffstat (limited to 'activesupport/lib/active_support/multibyte/unicode.rb')
-rw-r--r-- | activesupport/lib/active_support/multibyte/unicode.rb | 60 |
1 files changed, 40 insertions, 20 deletions
diff --git a/activesupport/lib/active_support/multibyte/unicode.rb b/activesupport/lib/active_support/multibyte/unicode.rb index 4f0e1165ef..ce8ecece69 100644 --- a/activesupport/lib/active_support/multibyte/unicode.rb +++ b/activesupport/lib/active_support/multibyte/unicode.rb @@ -6,10 +6,17 @@ module ActiveSupport extend self # A list of all available normalization forms. - # See http://www.unicode.org/reports/tr15/tr15-29.html for more + # See https://www.unicode.org/reports/tr15/tr15-29.html for more # information about normalization. NORMALIZATION_FORMS = [:c, :kc, :d, :kd] + NORMALIZATION_FORM_ALIASES = { # :nodoc: + c: :nfc, + d: :nfd, + kc: :nfkc, + kd: :nfkd + } + # The Unicode version that is supported by the implementation UNICODE_VERSION = RbConfig::CONFIG["UNICODE_VERSION"] @@ -27,6 +34,11 @@ module ActiveSupport # Unicode.unpack_graphemes('क्षि') # => [[2325, 2381], [2359], [2367]] # Unicode.unpack_graphemes('Café') # => [[67], [97], [102], [233]] def unpack_graphemes(string) + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Unicode#unpack_graphemes is deprecated and will be + removed from Rails 6.1. Use string.scan(/\X/).map(&:codepoints) instead. + MSG + string.scan(/\X/).map(&:codepoints) end @@ -34,6 +46,11 @@ module ActiveSupport # # Unicode.pack_graphemes(Unicode.unpack_graphemes('क्षि')) # => 'क्षि' def pack_graphemes(unpacked) + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Unicode#pack_graphemes is deprecated and will be + removed from Rails 6.1. Use array.flatten.pack("U*") instead. + MSG + unpacked.flatten.pack("U*") end @@ -100,31 +117,34 @@ module ActiveSupport # Default is ActiveSupport::Multibyte::Unicode.default_normalization_form. def normalize(string, form = nil) form ||= @default_normalization_form - # See http://www.unicode.org/reports/tr15, Table 1 - case form - when :d - string.unicode_normalize(:nfd) - when :c - string.unicode_normalize(:nfc) - when :kd - string.unicode_normalize(:nfkd) - when :kc - string.unicode_normalize(:nfkc) + + # See https://www.unicode.org/reports/tr15, Table 1 + if alias_form = NORMALIZATION_FORM_ALIASES[form] + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Unicode#normalize is deprecated and will be + removed from Rails 6.1. Use String#unicode_normalize(:#{alias_form}) instead. + MSG + + string.unicode_normalize(alias_form) else + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Unicode#normalize is deprecated and will be + removed from Rails 6.1. Use String#unicode_normalize instead. + MSG + raise ArgumentError, "#{form} is not a valid normalization variant", caller end end - def downcase(string) - string.downcase - end + %w(downcase upcase swapcase).each do |method| + define_method(method) do |string| + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Unicode##{method} is deprecated and + will be removed from Rails 6.1. Use String methods directly. + MSG - def upcase(string) - string.upcase - end - - def swapcase(string) - string.swapcase + string.send(method) + end end private |