Contents

class Card
  module Mod
    # ModuleTemplate is an abstract class to build ruby modules out of
    # deckos dsl for sets and set patterns.
    # {SetModule} and {PatternTemplate} inherit from it and adapt the template
    # to their needs.
    class ModuleTemplate
      def initialize modules, content_path
        modules = Array.wrap modules
        @pattern = modules.shift
        @modules = modules
        @content = ::File.read content_path
        @content_path = content_path
      end

      # Evaluates the module in the top level namespace.
      def build
        eval to_s, TOPLEVEL_BINDING, @content_path, offset
      end

      # @return [String] the ruby code to build the modal
      def to_s
        return content_with_source_comment if simple_load?

        wrap_with_module_def
      end

      # Just run the code of the source.
      # Don't use the path to the file as module hierarchy.
      def simple_load?
        @content =~ /\A#!\s?simple load/
      end

      private

      def preamble
        ""
      end

      def postamble
        ""
      end

      def wrap_with_module_def
        # for unknown reasons strip_heredoc doesn't work properly
        # and with trailing whitespace code like `=begin` fails
        <<~RUBY.strip_heredoc
          # -*- encoding : utf-8 -*-
          #{module_chain}
                  #{preamble}
                  #{content_with_source_comment}
                  #{postamble}
                  #{end_chain}
        RUBY
      end

      def content_with_source_comment
        <<~RUBY.strip_heredoc
          # ~~ above autogenerated; below pulled from #{@content_path} ~~
          #{@content}

          # ~~ below autogenerated; above pulled from #{@content_path} ~~
        RUBY
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
card-1.97.0.1	lib/card/mod/module_template.rb
card-1.97.0	lib/card/mod/module_template.rb