irregular (singular, plural)
public
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.
irregular ' octopus ', ' octopi '
irregular ' person ', ' people ' Show source # File activesupport/lib/active_support/inflector/inflections.rb, line 165
def irregular(singular, plural)
@uncountables.delete(singular)
@uncountables.delete(plural)
s0 = singular[0]
srest = singular[1..-1]
p0 = plural[0]
prest = plural[1..-1]
if s0.upcase == p0.upcase
plural(/(#{s0})#{srest}$/, '\1' + prest)
plural(/(#{p0})#{prest}$/, '\1' + prest)
singular(/(#{s0})#{srest}$/, '\1' + srest)
singular(/(#{p0})#{prest}$/, '\1' + srest)
else
plural(/#{s0.upcase}(?i)#{srest}$/, p0.upcase + prest)
plural(/#{s0.downcase}(?i)#{srest}$/, p0.downcase + prest)
plural(/#{p0.upcase}(?i)#{prest}$/, p0.upcase + prest)
plural(/#{p0.downcase}(?i)#{prest}$/, p0.downcase + prest)
singular(/#{s0.upcase}(?i)#{srest}$/, s0.upcase + srest)
singular(/#{s0.downcase}(?i)#{srest}$/, s0.downcase + srest)
singular(/#{p0.upcase}(?i)#{prest}$/, s0.upcase + srest)
singular(/#{p0.downcase}(?i)#{prest}$/, s0.downcase + srest)
end
end 