Contents

module Take
  class Project

    # Takes a file with a specific extension, and converts it to
    # another file with a specific extension.  Woop de do.
    class Convert

      def initialize(hash, &blk)
        raise ArgumentError, "Expected a block" unless block_given?
        handle_arguments(hash)
        @action = Actionable.new(&blk)
      end

      def can_convert?(from, to)
        from_ext, to_ext = [from, to].map do |file|
          if file.respond_to?(:extname)
            file.extname
          else
            ::File.extname(file)
          end
        end

        @from == from_ext && @to == to_ext
      end

      def convert(project, from, to)
        raise ArgumentError, "Cannot convert #{from.inspect} to " \
          "#{to.inspect} with this converter!" \
          unless can_convert?(from, to)

        @action.call(project, :input => from, :output => to)
      end

      private

      def handle_arguments(hash)
        raise ArgumentError, "Expected hash to only have size 1" \
          unless hash.to_a.size == 1

        pair = hash.to_a[0]
        @from = pair[0]
        @to = pair[1]
      end

    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
take-0.0.15	lib/take/project/convert.rb
take-0.0.14	lib/take/project/convert.rb
take-0.0.13	lib/take/project/convert.rb
take-0.0.12	lib/take/project/convert.rb
take-0.0.11	lib/take/project/convert.rb