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-rw-r--r--activesupport/lib/active_support/inflector/inflections.rb26
-rw-r--r--activesupport/lib/active_support/inflector/methods.rb10
-rw-r--r--activesupport/lib/active_support/inflector/transliterate.rb20
3 files changed, 38 insertions, 18 deletions
diff --git a/activesupport/lib/active_support/inflector/inflections.rb b/activesupport/lib/active_support/inflector/inflections.rb
index 36dfbc5f42..0450a4be4c 100644
--- a/activesupport/lib/active_support/inflector/inflections.rb
+++ b/activesupport/lib/active_support/inflector/inflections.rb
@@ -1,9 +1,10 @@
# frozen_string_literal: true
require "concurrent/map"
-require_relative "../core_ext/array/prepend_and_append"
-require_relative "../core_ext/regexp"
-require_relative "../i18n"
+require "active_support/core_ext/array/prepend_and_append"
+require "active_support/core_ext/regexp"
+require "active_support/i18n"
+require "active_support/deprecation"
module ActiveSupport
module Inflector
@@ -67,16 +68,21 @@ module ActiveSupport
end
attr_reader :plurals, :singulars, :uncountables, :humans, :acronyms, :acronym_regex
+ deprecate :acronym_regex
+
+ attr_reader :acronyms_camelize_regex, :acronyms_underscore_regex # :nodoc:
def initialize
- @plurals, @singulars, @uncountables, @humans, @acronyms, @acronym_regex = [], [], Uncountables.new, [], {}, /(?=a)b/
+ @plurals, @singulars, @uncountables, @humans, @acronyms = [], [], Uncountables.new, [], {}
+ define_acronym_regex_patterns
end
# Private, for the test suite.
def initialize_dup(orig) # :nodoc:
- %w(plurals singulars uncountables humans acronyms acronym_regex).each do |scope|
+ %w(plurals singulars uncountables humans acronyms).each do |scope|
instance_variable_set("@#{scope}", orig.send(scope).dup)
end
+ define_acronym_regex_patterns
end
# Specifies a new acronym. An acronym must be specified as it will appear
@@ -130,7 +136,7 @@ module ActiveSupport
# camelize 'mcdonald' # => 'McDonald'
def acronym(word)
@acronyms[word.downcase] = word
- @acronym_regex = /#{@acronyms.values.join("|")}/
+ define_acronym_regex_patterns
end
# Specifies a new pluralization rule and its replacement. The rule can
@@ -225,6 +231,14 @@ module ActiveSupport
instance_variable_set "@#{scope}", []
end
end
+
+ private
+
+ def define_acronym_regex_patterns
+ @acronym_regex = @acronyms.empty? ? /(?=a)b/ : /#{@acronyms.values.join("|")}/
+ @acronyms_camelize_regex = /^(?:#{@acronym_regex}(?=\b|[A-Z_])|\w)/
+ @acronyms_underscore_regex = /(?:(?<=([A-Za-z\d]))|\b)(#{@acronym_regex})(?=\b|[^a-z])/
+ end
end
# Yields a singleton instance of Inflector::Inflections so you can specify
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 9398ed60a4..60eeaa77cb 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -1,7 +1,7 @@
# frozen_string_literal: true
-require_relative "../inflections"
-require_relative "../core_ext/regexp"
+require "active_support/inflections"
+require "active_support/core_ext/regexp"
module ActiveSupport
# The Inflector transforms words from singular to plural, class names to table
@@ -71,7 +71,7 @@ module ActiveSupport
if uppercase_first_letter
string = string.sub(/^[a-z\d]*/) { |match| inflections.acronyms[match] || match.capitalize }
else
- string = string.sub(/^(?:#{inflections.acronym_regex}(?=\b|[A-Z_])|\w)/) { |match| match.downcase }
+ string = string.sub(inflections.acronyms_camelize_regex) { |match| match.downcase }
end
string.gsub!(/(?:_|(\/))([a-z\d]*)/i) { "#{$1}#{inflections.acronyms[$2] || $2.capitalize}" }
string.gsub!("/".freeze, "::".freeze)
@@ -92,7 +92,7 @@ module ActiveSupport
def underscore(camel_cased_word)
return camel_cased_word unless /[A-Z-]|::/.match?(camel_cased_word)
word = camel_cased_word.to_s.gsub("::".freeze, "/".freeze)
- word.gsub!(/(?:(?<=([A-Za-z\d]))|\b)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1 && '_'.freeze }#{$2.downcase}" }
+ word.gsub!(inflections.acronyms_underscore_regex) { "#{$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)
@@ -138,7 +138,7 @@ module ActiveSupport
result.tr!("_".freeze, " ".freeze)
result.gsub!(/([a-z\d]*)/i) do |match|
- "#{inflections.acronyms[match] || match.downcase}"
+ "#{inflections.acronyms[match.downcase] || match.downcase}"
end
if capitalize
diff --git a/activesupport/lib/active_support/inflector/transliterate.rb b/activesupport/lib/active_support/inflector/transliterate.rb
index aa7b21734e..6f2ca4999c 100644
--- a/activesupport/lib/active_support/inflector/transliterate.rb
+++ b/activesupport/lib/active_support/inflector/transliterate.rb
@@ -1,7 +1,7 @@
# frozen_string_literal: true
-require_relative "../core_ext/string/multibyte"
-require_relative "../i18n"
+require "active_support/core_ext/string/multibyte"
+require "active_support/i18n"
module ActiveSupport
module Inflector
@@ -71,17 +71,23 @@ module ActiveSupport
# a 'pretty' URL.
#
# parameterize("Donald E. Knuth") # => "donald-e-knuth"
- # parameterize("^trés|Jolie-- ") # => "tres-jolie"
+ # parameterize("^très|Jolie-- ") # => "tres-jolie"
#
- # To use a custom separator, override the `separator` argument.
+ # To use a custom separator, override the +separator+ argument.
#
# parameterize("Donald E. Knuth", separator: '_') # => "donald_e_knuth"
- # parameterize("^trés|Jolie-- ", separator: '_') # => "tres_jolie"
+ # parameterize("^très|Jolie__ ", separator: '_') # => "tres_jolie"
#
- # To preserve the case of the characters in a string, use the `preserve_case` argument.
+ # To preserve the case of the characters in a string, use the +preserve_case+ argument.
#
# parameterize("Donald E. Knuth", preserve_case: true) # => "Donald-E-Knuth"
- # parameterize("^trés|Jolie-- ", preserve_case: true) # => "tres-Jolie"
+ # parameterize("^très|Jolie-- ", preserve_case: true) # => "tres-Jolie"
+ #
+ # It preserves dashes and underscores unless they are used as separators:
+ #
+ # parameterize("^très|Jolie__ ") # => "tres-jolie__"
+ # parameterize("^très|Jolie-- ", separator: "_") # => "tres_jolie--"
+ # parameterize("^très_Jolie-- ", separator: ".") # => "tres_jolie--"
#
def parameterize(string, separator: "-", preserve_case: false)
# Replace accented chars with their ASCII equivalents.