Module: N::Inflector

Extended by:
Inflector
Included in:
Inflector
Defined in:
lib/glue/inflector.rb

Overview

The Inflector transforms words from singular to plural, class names to table names, modulized class names to ones without, and class names to foreign keys.

Instance Method Summary collapse

Instance Method Details

#camelize(lower_case_and_underscored_word) ⇒ Object 



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# File 'lib/glue/inflector.rb', line 29

def camelize(lower_case_and_underscored_word)
  lower_case_and_underscored_word.gsub(/(^|_)(.)/){$2.upcase}
end

#demodulize(class_name_in_module) ⇒ Object 



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# File 'lib/glue/inflector.rb', line 37

def demodulize(class_name_in_module)
  class_name_in_module.gsub(/^.*::/, '')
end

#foreign_key(class_name, separate_class_name_and_id_with_underscore = true) ⇒ Object 



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# File 'lib/glue/inflector.rb', line 41

def foreign_key(class_name, separate_class_name_and_id_with_underscore = true)
  Inflector.underscore(Inflector.demodulize(class_name)) + 
    (separate_class_name_and_id_with_underscore ? "_id" : "id")
end

#name(klass) ⇒ Object

Convert a class to a name.



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# File 'lib/glue/inflector.rb', line 48

def name(klass)
	Inflector.underscore(Inflector.demodulize(klass.to_s))
end

#plural_name(klass) ⇒ Object

Convert a class to a name in plural



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# File 'lib/glue/inflector.rb', line 54

def plural_name(klass)
	Inflector.pluralize(Inflector.underscore(Inflector.demodulize(klass.to_s)))
end

#pluralize(word) ⇒ Object 



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# File 'lib/glue/inflector.rb', line 13

def pluralize(word)
  result = word.dup
  plural_rules.each do |(rule, replacement)|
    break if result.gsub!(rule, replacement)
  end
  return result
end

#singularize(word) ⇒ Object 



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# File 'lib/glue/inflector.rb', line 21

def singularize(word)
  result = word.dup
  singular_rules.each do |(rule, replacement)|
    break if result.gsub!(rule, replacement)
  end
  return result
end

#underscore(camel_cased_word) ⇒ Object 



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# File 'lib/glue/inflector.rb', line 33

def underscore(camel_cased_word)
  camel_cased_word.gsub(/([A-Z]+)([A-Z])/,'\1_\2').gsub(/([a-z])([A-Z])/,'\1_\2').downcase
end