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-rw-r--r--activesupport/lib/active_support/inflector/methods.rb130
1 files changed, 66 insertions, 64 deletions
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 144cdd3c8f..61876d89a9 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -1,3 +1,5 @@
+# encoding: utf-8
+
require 'active_support/inflector/inflections'
module ActiveSupport
@@ -42,10 +44,10 @@ module ActiveSupport
# +camelize+ will also convert '/' to '::' which is useful for converting paths to namespaces.
#
# Examples:
- # "active_record".camelize # => "ActiveRecord"
- # "active_record".camelize(:lower) # => "activeRecord"
- # "active_record/errors".camelize # => "ActiveRecord::Errors"
- # "active_record/errors".camelize(:lower) # => "activeRecord::Errors"
+ # "active_model".camelize # => "ActiveModel"
+ # "active_model".camelize(:lower) # => "activeModel"
+ # "active_model/errors".camelize # => "ActiveModel::Errors"
+ # "active_model/errors".camelize(:lower) # => "activeModel::Errors"
#
# As a rule of thumb you can think of +camelize+ as the inverse of +underscore+,
# though there are cases where that does not hold:
@@ -66,8 +68,8 @@ module ActiveSupport
# Changes '::' to '/' to convert namespaces to paths.
#
# Examples:
- # "ActiveRecord".underscore # => "active_record"
- # "ActiveRecord::Errors".underscore # => active_record/errors
+ # "ActiveModel".underscore # => "active_model"
+ # "ActiveModel::Errors".underscore # => "active_model/errors"
#
# As a rule of thumb you can think of +underscore+ as the inverse of +camelize+,
# though there are cases where that does not hold:
@@ -75,7 +77,7 @@ module ActiveSupport
# "SSLError".underscore.camelize # => "SslError"
def underscore(camel_cased_word)
word = camel_cased_word.to_s.dup
- word.gsub!(/::/, '/')
+ word.gsub!('::', '/')
word.gsub!(/(?:([A-Za-z\d])|^)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1}#{$1 && '_'}#{$2.downcase}" }
word.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2')
word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
@@ -92,9 +94,12 @@ module ActiveSupport
# "author_id" # => "Author"
def humanize(lower_case_and_underscored_word)
result = lower_case_and_underscored_word.to_s.dup
- inflections.humans.each { |(rule, replacement)| break if result.gsub!(rule, replacement) }
+ inflections.humans.each { |(rule, replacement)| break if result.sub!(rule, replacement) }
result.gsub!(/_id$/, "")
- result.gsub(/(_)?([a-z\d]*)/i) { "#{$1 && ' '}#{inflections.acronyms[$2] || $2.downcase}" }.gsub(/^\w/) { $&.upcase }
+ result.tr!('_', ' ')
+ result.gsub(/([a-z\d]*)/i) { |match|
+ "#{inflections.acronyms[match] || match.downcase}"
+ }.gsub(/^\w/) { $&.upcase }
end
# Capitalizes all the words and replaces some characters in the string to create
@@ -109,7 +114,7 @@ module ActiveSupport
# "TheManWithoutAPast".titleize # => "The Man Without A Past"
# "raiders_of_the_lost_ark".titleize # => "Raiders Of The Lost Ark"
def titleize(word)
- humanize(underscore(word)).gsub(/\b('?[a-z])/) { $1.capitalize }
+ humanize(underscore(word)).gsub(/\b(?<!['’`])[a-z]/) { $&.capitalize }
end
# Create the name of a table like Rails does for models to table names. This method
@@ -141,9 +146,9 @@ module ActiveSupport
# Replaces underscores with dashes in the string.
#
# Example:
- # "puni_puni" # => "puni-puni"
+ # "puni_puni".dasherize # => "puni-puni"
def dasherize(underscored_word)
- underscored_word.gsub(/_/, '-')
+ underscored_word.tr('_', '-')
end
# Removes the module part from the expression in the string:
@@ -186,46 +191,29 @@ module ActiveSupport
underscore(demodulize(class_name)) + (separate_class_name_and_id_with_underscore ? "_id" : "id")
end
- # Ruby 1.9 introduces an inherit argument for Module#const_get and
- # #const_defined? and changes their default behavior.
- if Module.method(:const_get).arity == 1
- # Tries to find a constant with the name specified in the argument string:
- #
- # "Module".constantize # => Module
- # "Test::Unit".constantize # => Test::Unit
- #
- # 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 account:
- #
- # C = 'outside'
- # module M
- # C = 'inside'
- # C # => 'inside'
- # "C".constantize # => 'outside', same as ::C
- # end
- #
- # 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.shift if names.empty? || names.first.empty?
+ # Tries to find a constant with the name specified in the argument string:
+ #
+ # "Module".constantize # => Module
+ # "Test::Unit".constantize # => Test::Unit
+ #
+ # 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 account:
+ #
+ # C = 'outside'
+ # module M
+ # C = 'inside'
+ # C # => 'inside'
+ # "C".constantize # => 'outside', same as ::C
+ # end
+ #
+ # NameError is raised when the name is not in CamelCase or the constant is
+ # unknown.
+ def constantize(camel_cased_word) #:nodoc:
+ names = camel_cased_word.split('::')
+ names.shift if names.empty? || names.first.empty?
- constant = Object
- names.each do |name|
- constant = constant.const_defined?(name) ? constant.const_get(name) : constant.const_missing(name)
- end
- constant
- end
- else
- def constantize(camel_cased_word) #:nodoc:
- names = camel_cased_word.split('::')
- names.shift if names.empty? || names.first.empty?
-
- constant = Object
- names.each do |name|
- constant = constant.const_defined?(name, false) ? constant.const_get(name) : constant.const_missing(name)
- end
- constant
+ names.inject(Object) do |constant, name|
+ constant.const_get(name, false)
end
end
@@ -255,13 +243,36 @@ module ActiveSupport
begin
constantize(camel_cased_word)
rescue NameError => e
- raise unless e.message =~ /uninitialized constant #{const_regexp(camel_cased_word)}$/ ||
+ raise unless e.message =~ /(uninitialized constant|wrong constant name) #{const_regexp(camel_cased_word)}$/ ||
e.name.to_s == camel_cased_word.to_s
rescue ArgumentError => e
raise unless e.message =~ /not missing constant #{const_regexp(camel_cased_word)}\!$/
end
end
+ # Returns the suffix that should be added to a number to denote the position
+ # in an ordered sequence such as 1st, 2nd, 3rd, 4th.
+ #
+ # Examples:
+ # ordinal(1) # => "st"
+ # ordinal(2) # => "nd"
+ # ordinal(1002) # => "nd"
+ # ordinal(1003) # => "rd"
+ # ordinal(-11) # => "th"
+ # ordinal(-1021) # => "st"
+ def ordinal(number)
+ if (11..13).include?(number.to_i.abs % 100)
+ "th"
+ else
+ case number.to_i.abs % 10
+ when 1; "st"
+ when 2; "nd"
+ when 3; "rd"
+ else "th"
+ end
+ end
+ end
+
# Turns a number into an ordinal string used to denote the position in an
# ordered sequence such as 1st, 2nd, 3rd, 4th.
#
@@ -273,16 +284,7 @@ module ActiveSupport
# ordinalize(-11) # => "-11th"
# ordinalize(-1021) # => "-1021st"
def ordinalize(number)
- if (11..13).include?(number.to_i.abs % 100)
- "#{number}th"
- else
- case number.to_i.abs % 10
- when 1; "#{number}st"
- when 2; "#{number}nd"
- when 3; "#{number}rd"
- else "#{number}th"
- end
- end
+ "#{number}#{ordinal(number)}"
end
private
@@ -306,10 +308,10 @@ module ActiveSupport
def apply_inflections(word, rules)
result = word.to_s.dup
- if word.empty? || inflections.uncountables.any? { |inflection| result =~ /\b#{inflection}\Z/i }
+ if word.empty? || inflections.uncountables.include?(result.downcase[/\b\w+\Z/])
result
else
- rules.each { |(rule, replacement)| break if result.gsub!(rule, replacement) }
+ rules.each { |(rule, replacement)| break if result.sub!(rule, replacement) }
result
end
end
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-02 01:33:09 +0000