Class: Bibliothecary::Parsers::Rubygems

Inherits:
Object
  • Object
show all
Extended by:
MultiParsers::BundlerLikeManifest
Includes:
Analyser
Defined in:
lib/bibliothecary/parsers/rubygems.rb

Constant Summary collapse

NAME_VERSION = 
'(?! )(.*?)(?: \(([^-]*)(?:-(.*))?\))?'
NAME_VERSION_4 = 
/^ {4}#{NAME_VERSION}$/
BUNDLED_WITH = 
/BUNDLED WITH/

Class Method Summary collapse

Methods included from MultiParsers::BundlerLikeManifest

parse_ruby_manifest

Methods included from Analyser

create_analysis, create_error_analysis, included

Class Method Details

.mapping ⇒ Object 



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# File 'lib/bibliothecary/parsers/rubygems.rb', line 15

def self.mapping
  {
    match_filenames("Gemfile", "gems.rb") => {
      kind: "manifest",
      parser: :parse_gemfile,
      related_to: %w[manifest lockfile],
    },
    match_extension(".gemspec") => {
      kind: "manifest",
      parser: :parse_gemspec,
      related_to: %w[manifest lockfile],
    },
    match_filenames("Gemfile.lock", "gems.locked") => {
      kind: "lockfile",
      parser: :parse_gemfile_lock,
      related_to: %w[manifest lockfile],
    },
  }
end

.parse_bundler(file_contents, source = nil) ⇒ Object 



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# File 'lib/bibliothecary/parsers/rubygems.rb', line 74

def self.parse_bundler(file_contents, source = nil)
  bundled_with_index = file_contents.lines(chomp: true).find_index { |line| line.match(BUNDLED_WITH) }
  version = file_contents.lines(chomp: true).fetch(bundled_with_index + 1)&.strip

  return nil unless version

  Dependency.new(
    name: "bundler",
    requirement: version,
    type: "runtime",
    source: source,
    platform: platform_name
  )
end

.parse_gemfile(file_contents, options: {}) ⇒ Object 



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# File 'lib/bibliothecary/parsers/rubygems.rb', line 62

def self.parse_gemfile(file_contents, options: {})
  manifest = Gemnasium::Parser.send(:gemfile, file_contents)
  dependencies = parse_ruby_manifest(manifest, platform_name, options.fetch(:filename, nil))
  ParserResult.new(dependencies: dependencies)
end

.parse_gemfile_lock(file_contents, options: {}) ⇒ Object 



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# File 'lib/bibliothecary/parsers/rubygems.rb', line 39

def self.parse_gemfile_lock(file_contents, options: {})
  dependencies = file_contents.lines(chomp: true).map do |line|
    match = line.match(NAME_VERSION_4)
    bundler_match = line.match(BUNDLED_WITH)
    next unless match || bundler_match

    if match
      name = match[1]
      version = match[2].gsub(/\(|\)/, "")
      Dependency.new(
        name: name,
        requirement: version,
        type: "runtime",
        source: options.fetch(:filename, nil),
        platform: platform_name
      )
    else
      parse_bundler(file_contents, options.fetch(:filename, nil))
    end
  end.compact
  ParserResult.new(dependencies: dependencies)
end

.parse_gemspec(file_contents, options: {}) ⇒ Object 



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# File 'lib/bibliothecary/parsers/rubygems.rb', line 68

def self.parse_gemspec(file_contents, options: {})
  manifest = Gemnasium::Parser.send(:gemspec, file_contents)
  dependencies = parse_ruby_manifest(manifest, platform_name, options.fetch(:filename, nil))
  ParserResult.new(dependencies: dependencies)
end