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-rw-r--r--activesupport/lib/active_support/core_ext/string/inflections.rb50
1 files changed, 44 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb
index 2f0676f567..1e57b586d9 100644
--- a/activesupport/lib/active_support/core_ext/string/inflections.rb
+++ b/activesupport/lib/active_support/core_ext/string/inflections.rb
@@ -1,5 +1,4 @@
require 'active_support/inflector/methods'
-require 'active_support/inflector/inflections'
require 'active_support/inflector/transliterate'
# String inflections define new methods on the String class to transform names for different purposes.
@@ -10,14 +9,25 @@ require 'active_support/inflector/transliterate'
class String
# Returns the plural form of the word in the string.
#
+ # If the optional parameter +count+ is specified,
+ # the singular form will be returned if <tt>count == 1</tt>.
+ # For any other value of +count+ the plural will be returned.
+ #
+ # ==== Examples
# "post".pluralize # => "posts"
# "octopus".pluralize # => "octopi"
# "sheep".pluralize # => "sheep"
# "words".pluralize # => "words"
# "the blue mailman".pluralize # => "the blue mailmen"
# "CamelOctopus".pluralize # => "CamelOctopi"
- def pluralize
- ActiveSupport::Inflector.pluralize(self)
+ # "apple".pluralize(1) # => "apple"
+ # "apple".pluralize(2) # => "apples"
+ def pluralize(count = nil)
+ if count == 1
+ self
+ else
+ ActiveSupport::Inflector.pluralize(self)
+ end
end
# The reverse of +pluralize+, returns the singular form of a word in a string.
@@ -34,15 +44,28 @@ class String
# +constantize+ tries to find a declared constant with the name specified
# in the string. It raises a NameError when the name is not in CamelCase
- # or is not initialized.
+ # or is not initialized. See ActiveSupport::Inflector.constantize
#
# Examples
- # "Module".constantize # => Module
- # "Class".constantize # => Class
+ # "Module".constantize # => Module
+ # "Class".constantize # => Class
+ # "blargle".constantize # => NameError: wrong constant name blargle
def constantize
ActiveSupport::Inflector.constantize(self)
end
+ # +safe_constantize+ tries to find a declared constant with the name specified
+ # in the string. It returns nil when the name is not in CamelCase
+ # or is not initialized. See ActiveSupport::Inflector.safe_constantize
+ #
+ # Examples
+ # "Module".safe_constantize # => Module
+ # "Class".safe_constantize # => Class
+ # "blargle".safe_constantize # => nil
+ def safe_constantize
+ ActiveSupport::Inflector.safe_constantize(self)
+ end
+
# By default, +camelize+ converts strings to UpperCamelCase. If the argument to camelize
# is set to <tt>:lower</tt> then camelize produces lowerCamelCase.
#
@@ -94,10 +117,25 @@ class String
#
# "ActiveRecord::CoreExtensions::String::Inflections".demodulize # => "Inflections"
# "Inflections".demodulize # => "Inflections"
+ #
+ # See also +deconstantize+.
def demodulize
ActiveSupport::Inflector.demodulize(self)
end
+ # Removes the rightmost segment from the constant expression in the string.
+ #
+ # "Net::HTTP".deconstantize # => "Net"
+ # "::Net::HTTP".deconstantize # => "::Net"
+ # "String".deconstantize # => ""
+ # "::String".deconstantize # => ""
+ # "".deconstantize # => ""
+ #
+ # See also +demodulize+.
+ def deconstantize
+ ActiveSupport::Inflector.deconstantize(self)
+ end
+
# Replaces special characters in a string so that it may be used as part of a 'pretty' URL.
#
# ==== Examples