-require 'active_support/inflector' unless defined?(ActiveSupport::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.
- #
- # "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.
- #
- # "posts".singularize # => "post"
- # "octopi".singularize # => "octopus"
- # "sheep".singularize # => "sheep"
- # "word".singularize # => "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 <tt>:lower</tt> then camelize produces lowerCamelCase.
- #
- # +camelize+ will also convert '/' to '::' which is useful for converting paths to namespaces.
- #
- # "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 +titlecase+.
- #
- # "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, lowercase form from the expression in the string.
- #
- # +underscore+ will also change '::' to '/' to convert namespaces to paths.
- #
- # "ActiveRecord".underscore # => "active_record"
- # "ActiveRecord::Errors".underscore # => active_record/errors
- def underscore
- Inflector.underscore(self)
- end
-
- # Replaces underscores with dashes in the string.
- #
- # "puni_puni" # => "puni-puni"
- def dasherize
- Inflector.dasherize(self)
- end
-
- # Removes the module part from the constant expression in the string.
- #
- # "ActiveRecord::CoreExtensions::String::Inflections".demodulize # => "Inflections"
- # "Inflections".demodulize # => "Inflections"
- def demodulize
- Inflector.demodulize(self)
- end
-
- # Replaces special characters in a string so that it may be used as part of a 'pretty' URL.
- #
- # ==== Examples
- #
- # class Person
- # def to_param
- # "#{id}-#{name.parameterize}"
- # end
- # end
- #
- # @person = Person.find(1)
- # # => #<Person id: 1, name: "Donald E. Knuth">
- #
- # <%= link_to(@person.name, person_path %>
- # # => <a href="/person/1-donald-e-knuth">Donald E. Knuth</a>
- def parameterize(sep = '-')
- Inflector.parameterize(self, sep)
- 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.
- #
- # "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 plural 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+.)
- #
- # "egg_and_hams".classify # => "EggAndHam"
- # "posts".classify # => "Post"
- #
- # Singular names are not handled correctly.
- #
- # "business".classify # => "Busines"
- def classify
- Inflector.classify(self)
- end
-
- # Capitalizes the first word, turns underscores into spaces, and strips '_id'.
- # Like +titleize+, this is meant for creating pretty output.
- #
- # "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