diff options
Diffstat (limited to 'actionpack/lib/action_controller/routing/routing_ext.rb')
-rw-r--r-- | actionpack/lib/action_controller/routing/routing_ext.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/routing/routing_ext.rb b/actionpack/lib/action_controller/routing/routing_ext.rb new file mode 100644 index 0000000000..2ad20ee699 --- /dev/null +++ b/actionpack/lib/action_controller/routing/routing_ext.rb @@ -0,0 +1,46 @@ + +class Object + def to_param + to_s + end +end + +class TrueClass + def to_param + self + end +end + +class FalseClass + def to_param + self + end +end + +class NilClass + def to_param + self + end +end + +class Regexp #:nodoc: + def number_of_captures + Regexp.new("|#{source}").match('').captures.length + end + + class << self + def optionalize(pattern) + case unoptionalize(pattern) + when /\A(.|\(.*\))\Z/ then "#{pattern}?" + else "(?:#{pattern})?" + end + end + + def unoptionalize(pattern) + [/\A\(\?:(.*)\)\?\Z/, /\A(.|\(.*\))\?\Z/].each do |regexp| + return $1 if regexp =~ pattern + end + return pattern + end + end +end |