Class: DocumentHydrator::Inflector::Inflections

Inherits:
Object
  • Object
show all
Defined in:
lib/document_hydrator/inflector/inflections.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Inflections

Returns a new instance of Inflections.



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# File 'lib/document_hydrator/inflector/inflections.rb', line 11

def initialize
  @plurals, @uncountables, @humans = [], [], []
end

Instance Attribute Details

#plurals ⇒ Object (readonly)

Returns the value of attribute plurals.



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# File 'lib/document_hydrator/inflector/inflections.rb', line 9

def plurals
  @plurals
end

#uncountables ⇒ Object (readonly)

Returns the value of attribute uncountables.



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# File 'lib/document_hydrator/inflector/inflections.rb', line 9

def uncountables
  @uncountables
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/document_hydrator/inflector/inflections.rb', line 5

def self.instance
  @__instance__ ||= new
end

Instance Method Details

#irregular(singular, plural) ⇒ Object

Specifies a new irregular that applies to both pluralization and singularization at the same time. This can only be used for strings, not regular expressions. You simply pass the irregular in singular and plural form.

Examples:

irregular 'octopus', 'octopi'
irregular 'person', 'people'



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# File 'lib/document_hydrator/inflector/inflections.rb', line 29

def irregular(singular, plural)
  @uncountables.delete(singular)
  @uncountables.delete(plural)
  if singular[0,1].upcase == plural[0,1].upcase
    plural(Regexp.new("(#{singular[0,1]})#{singular[1..-1]}$", "i"), '\1' + plural[1..-1])
    plural(Regexp.new("(#{plural[0,1]})#{plural[1..-1]}$", "i"), '\1' + plural[1..-1])
  else
    plural(Regexp.new("#{singular[0,1].upcase}(?i)#{singular[1..-1]}$"), plural[0,1].upcase + plural[1..-1])
    plural(Regexp.new("#{singular[0,1].downcase}(?i)#{singular[1..-1]}$"), plural[0,1].downcase + plural[1..-1])
    plural(Regexp.new("#{plural[0,1].upcase}(?i)#{plural[1..-1]}$"), plural[0,1].upcase + plural[1..-1])
    plural(Regexp.new("#{plural[0,1].downcase}(?i)#{plural[1..-1]}$"), plural[0,1].downcase + plural[1..-1])
  end
end

#plural(rule, replacement) ⇒ Object

Specifies a new pluralization rule and its replacement. The rule can either be a string or a regular expression. The replacement should always be a string that may include references to the matched data from the rule.



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# File 'lib/document_hydrator/inflector/inflections.rb', line 17

def plural(rule, replacement)
  @uncountables.delete(rule) if rule.is_a?(String)
  @uncountables.delete(replacement)
  @plurals.insert(0, [rule, replacement])
end

#uncountable(*words) ⇒ Object

Add uncountable words that shouldn’t be attempted inflected.

Examples:

uncountable "money"
uncountable "money", "information"
uncountable %w( money information rice )



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# File 'lib/document_hydrator/inflector/inflections.rb', line 49

def uncountable(*words)
  (@uncountables << words).flatten!
end