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Tag: v2.0.0_PR
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require 'active_support/inflector'
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module String #:nodoc:
# String inflections define new methods on the String class to transform names for different purposes.
# For instance, you can figure out the name of a database from the name of a class.
# "ScaleScore".tableize => "scale_scores"
module Inflections
# Returns the plural form of the word in the string.
#
# 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
Inflector.pluralize(self)
end
# The reverse of pluralize, returns the singular form of a word in a string.
#
# Examples
# "posts".singularize #=> "post"
# "octopi".singularize #=> "octopus"
# "sheep".singluarize #=> "sheep"
# "word".singluarize #=> "word"
# "the blue mailmen".singularize #=> "the blue mailman"
# "CamelOctopi".singularize #=> "CamelOctopus"
def singularize
Inflector.singularize(self)
end
# By default, camelize converts strings to UpperCamelCase. If the argument to camelize
# is set to ":lower" then camelize produces lowerCamelCase.
#
# 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"
def camelize(first_letter = :upper)
case first_letter
when :upper then Inflector.camelize(self, true)
when :lower then Inflector.camelize(self, false)
end
end
alias_method :camelcase, :camelize
# Capitalizes all the words and replaces some characters in the string to create
# a nicer looking title. Titleize is meant for creating pretty output. It is not
# used in the Rails internals.
#
# titleize is also aliased as as titlecase
#
# Examples
# "man from the boondocks".titleize #=> "Man From The Boondocks"
# "x-men: the last stand".titleize #=> "X Men: The Last Stand"
def titleize
Inflector.titleize(self)
end
alias_method :titlecase, :titleize
# The reverse of +camelize+. Makes an underscored form from the expression in the string.
#
# Changes '::' to '/' to convert namespaces to paths.
#
# Examples
# "ActiveRecord".underscore #=> "active_record"
# "ActiveRecord::Errors".underscore #=> active_record/errors
def underscore
Inflector.underscore(self)
end
# Replaces underscores with dashes in the string.
#
# Example
# "puni_puni" #=> "puni-puni"
def dasherize
Inflector.dasherize(self)
end
# Removes the module part from the expression in the string
#
# Examples
# "ActiveRecord::CoreExtensions::String::Inflections".demodulize #=> "Inflections"
# "Inflections".demodulize #=> "Inflections"
def demodulize
Inflector.demodulize(self)
end
# Create 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.
#
# Examples
# "RawScaledScorer".tableize #=> "raw_scaled_scorers"
# "egg_and_ham".tableize #=> "egg_and_hams"
# "fancyCategory".tableize #=> "fancy_categories"
def tableize
Inflector.tableize(self)
end
# Create a class name from a table name like Rails does for table names to models.
# Note that this returns a string and not a Class. (To convert to an actual class
# follow classify with constantize.)
#
# Examples
# "egg_and_hams".classify #=> "EggAndHam"
# "post".classify #=> "Post"
def classify
Inflector.classify(self)
end
# Capitalizes the first word and turns underscores into spaces and strips _id.
# Like titleize, this is meant for creating pretty output.
#
# Examples
# "employee_salary" #=> "Employee salary"
# "author_id" #=> "Author"
def humanize
Inflector.humanize(self)
end
# Creates a foreign key name from a class name.
# +separate_class_name_and_id_with_underscore+ sets whether
# the method should put '_' between the name and 'id'.
#
# Examples
# "Message".foreign_key #=> "message_id"
# "Message".foreign_key(false) #=> "messageid"
# "Admin::Post".foreign_key #=> "post_id"
def foreign_key(separate_class_name_and_id_with_underscore = true)
Inflector.foreign_key(self, separate_class_name_and_id_with_underscore)
end
# 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.
#
# Examples
# "Module".constantize #=> Module
# "Class".constantize #=> Class
def constantize
Inflector.constantize(self)
end
end
end
end
end
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