diff options
Diffstat (limited to 'activesupport/lib/active_support/inflector')
3 files changed, 75 insertions, 36 deletions
diff --git a/activesupport/lib/active_support/inflector/inflections.rb b/activesupport/lib/active_support/inflector/inflections.rb index 486838bd15..c3907e9c22 100644 --- a/activesupport/lib/active_support/inflector/inflections.rb +++ b/activesupport/lib/active_support/inflector/inflections.rb @@ -1,4 +1,4 @@ -require 'thread_safe' +require 'concurrent' require 'active_support/core_ext/array/prepend_and_append' require 'active_support/i18n' @@ -25,7 +25,38 @@ module ActiveSupport # singularization rules that is runs. This guarantees that your rules run # before any of the rules that may already have been loaded. class Inflections - @__instance__ = ThreadSafe::Cache.new + @__instance__ = Concurrent::Map.new + + class Uncountables < Array + def initialize + @regex_array = [] + super + end + + def delete(entry) + super entry + @regex_array.delete(to_regex(entry)) + end + + def <<(*word) + add(word) + end + + def add(words) + self.concat(words.flatten.map(&:downcase)) + @regex_array += self.map {|word| to_regex(word) } + self + end + + def uncountable?(str) + @regex_array.any? { |regex| regex === str } + end + + private + def to_regex(string) + /\b#{::Regexp.escape(string)}\Z/i + end + end def self.instance(locale = :en) @__instance__[locale] ||= new @@ -34,7 +65,7 @@ module ActiveSupport attr_reader :plurals, :singulars, :uncountables, :humans, :acronyms, :acronym_regex def initialize - @plurals, @singulars, @uncountables, @humans, @acronyms, @acronym_regex = [], [], [], [], {}, /(?=a)b/ + @plurals, @singulars, @uncountables, @humans, @acronyms, @acronym_regex = [], [], Uncountables.new, [], {}, /(?=a)b/ end # Private, for the test suite. @@ -160,7 +191,7 @@ module ActiveSupport # uncountable 'money', 'information' # uncountable %w( money information rice ) def uncountable(*words) - @uncountables += words.flatten.map(&:downcase) + @uncountables.add(words) end # Specifies a humanized form of a string by a regular expression rule or @@ -185,7 +216,7 @@ module ActiveSupport def clear(scope = :all) case scope when :all - @plurals, @singulars, @uncountables, @humans = [], [], [], [] + @plurals, @singulars, @uncountables, @humans = [], [], Uncountables.new, [] else instance_variable_set "@#{scope}", [] end diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb index a08c655d69..595b0339cc 100644 --- a/activesupport/lib/active_support/inflector/methods.rb +++ b/activesupport/lib/active_support/inflector/methods.rb @@ -1,5 +1,3 @@ -# encoding: utf-8 - require 'active_support/inflections' module ActiveSupport @@ -68,9 +66,9 @@ module ActiveSupport def camelize(term, uppercase_first_letter = true) string = term.to_s if uppercase_first_letter - string = string.sub(/^[a-z\d]*/) { inflections.acronyms[$&] || $&.capitalize } + string = string.sub(/^[a-z\d]*/) { |match| inflections.acronyms[match] || match.capitalize } else - string = string.sub(/^(?:#{inflections.acronym_regex}(?=\b|[A-Z_])|\w)/) { $&.downcase } + string = string.sub(/^(?:#{inflections.acronym_regex}(?=\b|[A-Z_])|\w)/) { |match| match.downcase } end string.gsub!(/(?:_|(\/))([a-z\d]*)/i) { "#{$1}#{inflections.acronyms[$2] || $2.capitalize}" } string.gsub!('/'.freeze, '::'.freeze) @@ -91,10 +89,10 @@ module ActiveSupport def underscore(camel_cased_word) return camel_cased_word unless camel_cased_word =~ /[A-Z-]|::/ word = camel_cased_word.to_s.gsub('::'.freeze, '/'.freeze) - word.gsub!(/(?:(?<=([A-Za-z\d]))|\b)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1 && '_'}#{$2.downcase}" } - word.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2') - word.gsub!(/([a-z\d])([A-Z])/,'\1_\2') - word.tr!("-", "_") + word.gsub!(/(?:(?<=([A-Za-z\d]))|\b)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1 && '_'.freeze }#{$2.downcase}" } + word.gsub!(/([A-Z\d]+)([A-Z][a-z])/, '\1_\2'.freeze) + word.gsub!(/([a-z\d])([A-Z])/, '\1_\2'.freeze) + word.tr!("-".freeze, "_".freeze) word.downcase! word end @@ -127,9 +125,9 @@ module ActiveSupport inflections.humans.each { |(rule, replacement)| break if result.sub!(rule, replacement) } - result.sub!(/\A_+/, '') - result.sub!(/_id\z/, '') - result.tr!('_', ' ') + result.sub!(/\A_+/, ''.freeze) + result.sub!(/_id\z/, ''.freeze) + result.tr!('_'.freeze, ' '.freeze) result.gsub!(/([a-z\d]*)/i) do |match| "#{inflections.acronyms[match] || match.downcase}" @@ -153,14 +151,14 @@ module ActiveSupport # titleize('TheManWithoutAPast') # => "The Man Without A Past" # titleize('raiders_of_the_lost_ark') # => "Raiders Of The Lost Ark" def titleize(word) - humanize(underscore(word)).gsub(/\b(?<!['’`])[a-z]/) { $&.capitalize } + humanize(underscore(word)).gsub(/\b(?<!['’`])[a-z]/) { |match| match.capitalize } end # Creates the name of a table like Rails does for models to table names. # This method uses the #pluralize method on the last word in the string. # # tableize('RawScaledScorer') # => "raw_scaled_scorers" - # tableize('egg_and_ham') # => "egg_and_hams" + # tableize('ham_and_egg') # => "ham_and_eggs" # tableize('fancyCategory') # => "fancy_categories" def tableize(class_name) pluralize(underscore(class_name)) @@ -170,7 +168,7 @@ module ActiveSupport # names to models. Note that this returns a string and not a Class (To # convert to an actual class follow +classify+ with #constantize). # - # classify('egg_and_hams') # => "EggAndHam" + # classify('ham_and_eggs') # => "HamAndEgg" # classify('posts') # => "Post" # # Singular names are not handled correctly: @@ -178,14 +176,14 @@ module ActiveSupport # classify('calculus') # => "Calculu" def classify(table_name) # strip out any leading schema name - camelize(singularize(table_name.to_s.sub(/.*\./, ''))) + camelize(singularize(table_name.to_s.sub(/.*\./, ''.freeze))) end # Replaces underscores with dashes in the string. # # dasherize('puni_puni') # => "puni-puni" def dasherize(underscored_word) - underscored_word.tr('_', '-') + underscored_word.tr('_'.freeze, '-'.freeze) end # Removes the module part from the expression in the string. @@ -231,8 +229,8 @@ module ActiveSupport # Tries to find a constant with the name specified in the argument string. # - # 'Module'.constantize # => Module - # 'Test::Unit'.constantize # => Test::Unit + # 'Module'.constantize # => Module + # 'Foo::Bar'.constantize # => Foo::Bar # # The name is assumed to be the one of a top-level constant, no matter # whether it starts with "::" or not. No lexical context is taken into @@ -248,7 +246,7 @@ module ActiveSupport # NameError is raised when the name is not in CamelCase or the constant is # unknown. def constantize(camel_cased_word) - names = camel_cased_word.split('::') + names = camel_cased_word.split('::'.freeze) # Trigger a built-in NameError exception including the ill-formed constant in the message. Object.const_get(camel_cased_word) if names.empty? @@ -280,8 +278,8 @@ module ActiveSupport # Tries to find a constant with the name specified in the argument string. # - # safe_constantize('Module') # => Module - # safe_constantize('Test::Unit') # => Test::Unit + # safe_constantize('Module') # => Module + # safe_constantize('Foo::Bar') # => Foo::Bar # # The name is assumed to be the one of a top-level constant, no matter # whether it starts with "::" or not. No lexical context is taken into @@ -354,7 +352,7 @@ module ActiveSupport # const_regexp("Foo::Bar::Baz") # => "Foo(::Bar(::Baz)?)?" # const_regexp("::") # => "::" def const_regexp(camel_cased_word) #:nodoc: - parts = camel_cased_word.split("::") + parts = camel_cased_word.split("::".freeze) return Regexp.escape(camel_cased_word) if parts.blank? @@ -372,7 +370,7 @@ module ActiveSupport def apply_inflections(word, rules) result = word.to_s.dup - if word.empty? || inflections.uncountables.include?(result.downcase[/\b\w+\Z/]) + if word.empty? || inflections.uncountables.uncountable?(result) result else rules.each { |(rule, replacement)| break if result.sub!(rule, replacement) } diff --git a/activesupport/lib/active_support/inflector/transliterate.rb b/activesupport/lib/active_support/inflector/transliterate.rb index edea142e82..103207fb63 100644 --- a/activesupport/lib/active_support/inflector/transliterate.rb +++ b/activesupport/lib/active_support/inflector/transliterate.rb @@ -1,4 +1,3 @@ -# encoding: utf-8 require 'active_support/core_ext/string/multibyte' require 'active_support/i18n' @@ -58,7 +57,7 @@ module ActiveSupport # I18n.locale = :de # transliterate('Jürgen') # # => "Juergen" - def transliterate(string, replacement = "?") + def transliterate(string, replacement = "?".freeze) I18n.transliterate(ActiveSupport::Multibyte::Unicode.normalize( ActiveSupport::Multibyte::Unicode.tidy_bytes(string), :c), :replacement => replacement) @@ -70,18 +69,29 @@ module ActiveSupport # parameterize("Donald E. Knuth") # => "donald-e-knuth" # parameterize("^trés|Jolie-- ") # => "tres-jolie" def parameterize(string, sep = '-') - # replace accented chars with their ascii equivalents + # Replace accented chars with their ASCII equivalents. parameterized_string = transliterate(string) - # Turn unwanted chars into the separator + + # Turn unwanted chars into the separator. parameterized_string.gsub!(/[^a-z0-9\-_]+/i, sep) + unless sep.nil? || sep.empty? - re_sep = Regexp.escape(sep) + if sep == "-".freeze + re_duplicate_separator = /-{2,}/ + re_leading_trailing_separator = /^-|-$/i + else + re_sep = Regexp.escape(sep) + re_duplicate_separator = /#{re_sep}{2,}/ + re_leading_trailing_separator = /^#{re_sep}|#{re_sep}$/i + end # No more than one of the separator in a row. - parameterized_string.gsub!(/#{re_sep}{2,}/, sep) + parameterized_string.gsub!(re_duplicate_separator, sep) # Remove leading/trailing separator. - parameterized_string.gsub!(/^#{re_sep}|#{re_sep}$/i, '') + parameterized_string.gsub!(re_leading_trailing_separator, ''.freeze) end - parameterized_string.downcase + + parameterized_string.downcase! + parameterized_string end end end |