Class: RoutingFilter::Locale

Inherits:
Base
  • Object
show all
Defined in:
lib/routing_filter/locale.rb

Constant Summary collapse

@@include_default_locale = 
true

Instance Attribute Summary

Attributes inherited from Base

#chain, #options

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#initialize, #predecessor, #run, #run_reverse, #successor

Constructor Details

This class inherits a constructor from RoutingFilter::Base

Class Method Details

.extract_locale!(path) ⇒ Object 



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# File 'lib/routing_filter/locale.rb', line 26

def extract_locale!(path)
  path.sub! self.locales_pattern, ''
  $1
end

.include_default_locale? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/routing_filter/locale.rb', line 10

def include_default_locale?
  @@include_default_locale
end

.locales ⇒ Object 



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# File 'lib/routing_filter/locale.rb', line 14

def locales
  @@locales ||= I18n.available_locales.map(&:to_sym)
end

.locales=(locales) ⇒ Object 



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# File 'lib/routing_filter/locale.rb', line 18

def locales=(locales)
  @@locales = locales.map(&:to_sym)
end

.locales_pattern ⇒ Object 



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# File 'lib/routing_filter/locale.rb', line 22

def locales_pattern
  @@locales_pattern ||= %r(^/(#{self.locales.map { |l| Regexp.escape(l.to_s) }.join('|')})(?=/|$))
end

.prepend_locale!(url, locale) ⇒ Object 



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# File 'lib/routing_filter/locale.rb', line 31

def prepend_locale!(url, locale)
  url.sub!(%r(^(http.?://[^/]*)?(.*))) { "#{$1}/#{locale}#{$2}" }
end

Instance Method Details

#around_generate(*args, &block) ⇒ Object 



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# File 'lib/routing_filter/locale.rb', line 43

def around_generate(*args, &block)
  options = args.extract_options!

  locale = options.delete(:locale)
  unless  skip_prepend_locale? options
    locale = I18n.locale if locale.nil?            # default to I18n.locale when locale is nil (could also be false)
    locale = nil unless valid_locale?(locale)     # reset to no locale when locale is not valid
    returning yield do |result|
      if locale && prepend_locale?(locale)
        url = result.is_a?(Array) ? result.first : result
        self.class.prepend_locale!(url, locale)
      end
    end
  else
    yield
  end
end

#around_recognize(path, env, &block) ⇒ Object 



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# File 'lib/routing_filter/locale.rb', line 36

def around_recognize(path, env, &block)
  locale = self.class.extract_locale!(path)                 # remove the locale from the beginning of the path
  returning yield do |params|                    # invoke the given block (calls more filters and finally routing)
    params[:locale] = locale if locale           # set recognized locale to the resulting params hash
  end
end