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module Selenium
  module WebDriver
    module Firefox
      # @api private
      class ProfilesIni
        def initialize
          @ini_path = File.join(Util.app_data_path, 'profiles.ini')
          @profile_paths = {}

          parse if File.exist?(@ini_path)
        end

        def [](name)
          path = @profile_paths[name]
          path && Profile.new(path)
        end

        def refresh
          @profile_paths.clear
          parse
        end

        private

        def parse
          string      = File.read @ini_path
          name        = nil
          is_relative = nil
          path        = nil

          string.split("\n").each do |line|
            case line
            when /^\[Profile/
              name, path = nil if path_for(name, is_relative, path)
            when /^Name=(.+)$/
              name = Regexp.last_match(1).strip
            when /^IsRelative=(.+)$/
              is_relative = Regexp.last_match(1).strip == '1'
            when /^Path=(.+)$/
              path = Regexp.last_match(1).strip
              p = path_for(name, is_relative, path)
              @profile_paths[name] = p if p
            end
          end
        end

        def path_for(name, is_relative, path)
          return unless [name, path].any?
          is_relative ? File.join(Util.app_data_path, path) : path
        end
      end # ProfilesIni
    end # Firefox
  end # WebDriver
end # Selenium