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Contents
# The Extension filter chops a file extension off from the end of the
# recognized path. When a path is generated the filter re-adds the extension
# to the path accordingly.
#
# incoming url: /de/products/page/1
# filtered url: /de/products
# params: params[:locale] = 'de'
#
# You can install the filter like this:
#
# # in config/routes.rb
# Rails.application.routes.draw do
# filter :locale
# end
#
# To make your named_route helpers or url_for add the pagination segments you
# can use:
#
# products_path(:locale => 'de')
# url_for(:products, :locale => 'de'))
module RoutingFilter
class Extension < Filter
attr_reader :extension, :exclude
def initialize(*args)
super
@exclude = options[:exclude]
@extension = options[:extension] || 'html'
end
def around_recognize(path, env, &block)
extract_extension!(path) unless excluded?(path)
yield(path, env)
end
def around_generate(*args, &block)
yield.tap do |result|
url = result.is_a?(Array) ? result.first : result
append_extension!(url) if append_extension?(url)
end
end
protected
def extract_extension!(path)
path.sub!(/\.#{extension}$/, '')
$1
end
def append_extension?(url)
!(blank?(url) || excluded?(url) || mime_extension?(url))
end
def append_extension!(url)
url.replace url.sub(/(\?|$)/, ".#{extension}\\1")
end
def blank?(url)
url.blank? || !!url.match(%r(^/(\?|$)))
end
def excluded?(url)
case exclude
when Regexp
url =~ exclude
when Proc
exclude.call(url)
end
end
def mime_extension?(url)
url =~ /\.#{Mime::EXTENSION_LOOKUP.keys.join('|')}(\?|$)/
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems