Contents

require "deb_control"

module Bibliothecary
  module Parsers
    class CRAN
      include Bibliothecary::Analyser

      REQUIRE_REGEXP = /([a-zA-Z0-9\-_\.]+)\s?\(?([><=\s\d\.,]+)?\)?/

      def self.mapping
        {
          match_filename("DESCRIPTION", case_insensitive: true) => {
            kind: "manifest",
            parser: :parse_description,
          },
        }
      end

      add_multi_parser(Bibliothecary::MultiParsers::CycloneDX)
      add_multi_parser(Bibliothecary::MultiParsers::DependenciesCSV)
      add_multi_parser(Bibliothecary::MultiParsers::Spdx)

      def self.parse_description(file_contents, options: {}) # rubocop:disable Lint/UnusedMethodArgument
        manifest = DebControl::ControlFileBase.parse(file_contents)
        parse_section(manifest, "Depends") +
        parse_section(manifest, "Imports") +
        parse_section(manifest, "Suggests") +
        parse_section(manifest, "Enhances")
      end

      def self.parse_section(manifest, name)
        return [] unless manifest.first[name]
        deps = manifest.first[name].delete("\n").split(",").map(&:strip)
        deps.map do |dependency|
          dep = dependency.match(REQUIRE_REGEXP)
          Dependency.new(
            name: dep[1],
            requirement: dep[2] || "*",
            type: name.downcase,
          )
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
bibliothecary-10.1.0	lib/bibliothecary/parsers/cran.rb
bibliothecary-10.0.0	lib/bibliothecary/parsers/cran.rb