vendor/rails/activesupport/lib/active_support/core_ext/load_error.rb

   1 class MissingSourceFile < LoadError #:nodoc:
   2   attr_reader :path
   3   def initialize(message, path)
   4     super(message)
   5     @path = path
   6   end
   7
   8   def is_missing?(path)
   9     path.gsub(/\.rb$/, '') == self.path.gsub(/\.rb$/, '')
  10   end
  11
  12   def self.from_message(message)
  13     REGEXPS.each do |regexp, capture|
  14       match = regexp.match(message)
  15       return MissingSourceFile.new(message, match[capture]) unless match.nil?
  16     end
  17     nil
  18   end
  19
  20   REGEXPS = [
  21     [/^no such file to load -- (.+)$/i, 1],
  22     [/^Missing \w+ (file\s*)?([^\s]+.rb)$/i, 2],
  23     [/^Missing API definition file in (.+)$/i, 1]
  24   ] unless defined?(REGEXPS)
  25 end
  26
  27 module ActiveSupport #:nodoc:
  28   module CoreExtensions #:nodoc:
  29     module LoadErrorExtensions #:nodoc:
  30       module LoadErrorClassMethods #:nodoc:
  31         def new(*args)
  32           (self == LoadError && MissingSourceFile.from_message(args.first)) || super
  33         end
  34       end
  35       ::LoadError.extend(LoadErrorClassMethods)
  36     end
  37   end
  38 end