Class: RubyGemsRequirementsSystem::RequirementsParser

Inherits:
Object
  • Object
show all
Defined in:
lib/rubygems-requirements-system/requirements-parser.rb

Instance Method Summary collapse

Constructor Details

#initialize(gemspec_requirements, platform, ui) ⇒ RequirementsParser

Returns a new instance of RequirementsParser.



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# File 'lib/rubygems-requirements-system/requirements-parser.rb', line 23

def initialize(gemspec_requirements, platform, ui)
  @gemspec_requirements = gemspec_requirements
  @platform = platform
  @ui = ui
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/rubygems-requirements-system/requirements-parser.rb', line 29

def parse
  all_dependencies_set = {}
  requirements = {}
  @gemspec_requirements.each do |gemspec_requirement|
    components = gemspec_requirement.split(/:\s*/, 4)
    next unless components.size == 4

    id, raw_dependencies, platform, system_package = components
    next unless id == "system"

    dependencies = parse_dependencies(raw_dependencies)
    next if dependencies.empty?

    all_dependencies_set[dependencies] = true

    next unless @platform.target?(platform)
    requirements[dependencies] ||= []
    requirements[dependencies] << system_package
  end
  (all_dependencies_set.keys - requirements.keys).each do |not_used_deps|
    not_used_packages = not_used_deps.select do |dependency|
      dependency.is_a?(Package)
    end
    next if not_used_packages.empty?
    system_packages = @platform.default_system_packages(not_used_packages)
    next if system_packages.nil?
    requirements[not_used_deps] = system_packages
  end
  requirements.collect do |dependencies, system_packages|
    system_packages = detect_system_repositories(system_packages)
    Requirement.new(dependencies, system_packages)
  end
end