Contents

require 'find'

module Reek
  module Source
    #
    # Finds Ruby source files in a filesystem.
    #
    # @api private
    class SourceLocator
      # Initialize with the paths we want to search.
      #
      # paths - a list of paths as Strings
      def initialize(paths)
        @pathnames = paths.
          map { |path| Pathname.new(path.chomp('/')) }.
          flat_map { |pathname| current_directory?(pathname) ? pathname.entries : pathname }
      end

      # Traverses all paths we initialized the SourceLocator with, finds
      # all relevant ruby files and returns them as a list.
      #
      # @return [Array<File>] - Ruby files found
      def sources
        source_paths.map { |pathname| File.new(pathname) }
      end

      private

      def source_paths
        @pathnames.each_with_object([]) do |given_pathname, relevant_paths|
          print_no_such_file_error(given_pathname) && next unless path_exists?(given_pathname)
          given_pathname.find do |pathname|
            if pathname.directory?
              ignore_path?(pathname) ? Find.prune : next
            else
              relevant_paths << pathname if ruby_file?(pathname)
            end
          end
        end
      end

      def path_excluded?(pathname)
        Configuration::AppConfiguration.exclude_paths.include? pathname.to_s
      end

      def path_exists?(path)
        Pathname.new(path).exist?
      end

      def print_no_such_file_error(path)
        $stderr.puts "Error: No such file - #{path}"
      end

      def hidden_directory?(pathname)
        pathname.basename.to_s.start_with? '.'
      end

      def ignore_path?(pathname)
        path_excluded?(pathname) || hidden_directory?(pathname)
      end

      def ruby_file?(pathname)
        pathname.extname == '.rb'
      end

      def current_directory?(pathname)
        ['.', './'].include? pathname.to_s
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
reek-3.0.4	lib/reek/source/source_locator.rb
reek-3.0.3	lib/reek/source/source_locator.rb