diff options
Diffstat (limited to 'activesupport/lib/active_support/multibyte')
-rw-r--r-- | activesupport/lib/active_support/multibyte/chars.rb | 77 | ||||
-rw-r--r-- | activesupport/lib/active_support/multibyte/unicode.rb | 60 |
2 files changed, 69 insertions, 68 deletions
diff --git a/activesupport/lib/active_support/multibyte/chars.rb b/activesupport/lib/active_support/multibyte/chars.rb index 8152b8fd22..a1e23aeaca 100644 --- a/activesupport/lib/active_support/multibyte/chars.rb +++ b/activesupport/lib/active_support/multibyte/chars.rb @@ -4,7 +4,6 @@ require "active_support/json" require "active_support/core_ext/string/access" require "active_support/core_ext/string/behavior" require "active_support/core_ext/module/delegation" -require "active_support/core_ext/regexp" module ActiveSupport #:nodoc: module Multibyte #:nodoc: @@ -18,7 +17,7 @@ module ActiveSupport #:nodoc: # through the +mb_chars+ method. Methods which would normally return a # String object now return a Chars object so methods can be chained. # - # 'The Perfect String '.mb_chars.downcase.strip.normalize + # 'The Perfect String '.mb_chars.downcase.strip # # => #<ActiveSupport::Multibyte::Chars:0x007fdc434ccc10 @wrapped_string="the perfect string"> # # Chars objects are perfectly interchangeable with String objects as long as @@ -77,6 +76,11 @@ module ActiveSupport #:nodoc: # Returns +true+ when the proxy class can handle the string. Returns # +false+ otherwise. def self.consumes?(string) + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Chars.consumes? is deprecated and will be + removed from Rails 6.1. Use string.is_utf8? instead. + MSG + string.encoding == Encoding::UTF_8 end @@ -109,7 +113,7 @@ module ActiveSupport #:nodoc: # # 'Café'.mb_chars.reverse.to_s # => 'éfaC' def reverse - chars(Unicode.unpack_graphemes(@wrapped_string).reverse.flatten.pack("U*")) + chars(@wrapped_string.scan(/\X/).reverse.join) end # Limits the byte size of the string to a number of bytes without breaking @@ -118,35 +122,7 @@ module ActiveSupport #:nodoc: # # 'こんにちは'.mb_chars.limit(7).to_s # => "こん" def limit(limit) - slice(0...translate_offset(limit)) - end - - # Converts characters in the string to uppercase. - # - # 'Laurent, où sont les tests ?'.mb_chars.upcase.to_s # => "LAURENT, OÙ SONT LES TESTS ?" - def upcase - chars Unicode.upcase(@wrapped_string) - end - - # Converts characters in the string to lowercase. - # - # 'VĚDA A VÝZKUM'.mb_chars.downcase.to_s # => "věda a výzkum" - def downcase - chars Unicode.downcase(@wrapped_string) - end - - # Converts characters in the string to the opposite case. - # - # 'El Cañón'.mb_chars.swapcase.to_s # => "eL cAÑÓN" - def swapcase - chars Unicode.swapcase(@wrapped_string) - end - - # Converts the first character to uppercase and the remainder to lowercase. - # - # 'über'.mb_chars.capitalize.to_s # => "Über" - def capitalize - (slice(0) || chars("")).upcase + (slice(1..-1) || chars("")).downcase + truncate_bytes(limit, omission: nil) end # Capitalizes the first letter of every word, when possible. @@ -154,7 +130,7 @@ module ActiveSupport #:nodoc: # "ÉL QUE SE ENTERÓ".mb_chars.titleize.to_s # => "Él Que Se Enteró" # "日本語".mb_chars.titleize.to_s # => "日本語" def titleize - chars(downcase.to_s.gsub(/\b('?\S)/u) { Unicode.upcase($1) }) + chars(downcase.to_s.gsub(/\b('?\S)/u) { $1.upcase }) end alias_method :titlecase, :titleize @@ -166,7 +142,24 @@ module ActiveSupport #:nodoc: # <tt>:c</tt>, <tt>:kc</tt>, <tt>:d</tt>, or <tt>:kd</tt>. Default is # ActiveSupport::Multibyte::Unicode.default_normalization_form def normalize(form = nil) - chars(Unicode.normalize(@wrapped_string, form)) + form ||= Unicode.default_normalization_form + + # See https://www.unicode.org/reports/tr15, Table 1 + if alias_form = Unicode::NORMALIZATION_FORM_ALIASES[form] + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Chars#normalize is deprecated and will be + removed from Rails 6.1. Use #unicode_normalize(:#{alias_form}) instead. + MSG + + send(:unicode_normalize, alias_form) + else + ActiveSupport::Deprecation.warn(<<-MSG.squish) + ActiveSupport::Multibyte::Chars#normalize is deprecated and will be + removed from Rails 6.1. Use #unicode_normalize instead. + MSG + + raise ArgumentError, "#{form} is not a valid normalization variant", caller + end end # Performs canonical decomposition on all the characters. @@ -190,7 +183,7 @@ module ActiveSupport #:nodoc: # 'क्षि'.mb_chars.length # => 4 # 'क्षि'.mb_chars.grapheme_length # => 3 def grapheme_length - Unicode.unpack_graphemes(@wrapped_string).length + @wrapped_string.scan(/\X/).length end # Replaces all ISO-8859-1 or CP1252 characters by their UTF-8 equivalent @@ -206,7 +199,7 @@ module ActiveSupport #:nodoc: to_s.as_json(options) end - %w(capitalize downcase reverse tidy_bytes upcase).each do |method| + %w(reverse tidy_bytes).each do |method| define_method("#{method}!") do |*args| @wrapped_string = send(method, *args).to_s self @@ -215,18 +208,6 @@ module ActiveSupport #:nodoc: private - def translate_offset(byte_offset) - return nil if byte_offset.nil? - return 0 if @wrapped_string == "" - - begin - @wrapped_string.byteslice(0...byte_offset).unpack("U*").length - rescue ArgumentError - byte_offset -= 1 - retry - end - end - def chars(string) self.class.new(string) end 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 |