module ReplTypeCompletor::RequirePaths

# File repl_type_completor-0.1.9/lib/repl_type_completor/require_paths.rb, line 6
def require_completions(target_path)
  *dir, target = target_path.split('/', -1)
  target ||= ''
  paths = with_cache [:require_completions, dir] do
    gem_and_system_load_paths.flat_map do |load_path|
      reject_prefixes = gem_and_system_load_paths.filter_map do |lp|
        lp.delete_prefix(load_path).delete_prefix('/').delete_suffix('/') + '/' if lp.start_with? load_path
      end.reject(&:empty?)
      base_dir = File.absolute_path(File.join(load_path, *dir))
      with_cache [:requireable_paths, base_dir] do
        requireable_paths(base_dir, reject_prefixes: reject_prefixes)
      end
    end.uniq.sort
  end
  paths.filter_map do |path|
    [*dir, path].join('/') if path.start_with?(target)
  end
end

# File repl_type_completor-0.1.9/lib/repl_type_completor/require_paths.rb, line 25
def require_relative_completions(target_path, source_file)
  source_dir = source_file ? File.dirname(source_file) : Dir.pwd
  *dir, target = target_path.split('/', -1)
  target ||= ''
  base_dir = File.absolute_path(File.join(source_dir, *dir))
  paths = with_cache [:requireable_paths, base_dir] do
    requireable_paths(base_dir)
  end
  paths.filter_map do |path|
    [*dir, path].join('/') if path.start_with?(target)
  end
end

# File repl_type_completor-0.1.9/lib/repl_type_completor/require_paths.rb, line 55
def gem_and_system_load_paths
  @gem_and_system_load_paths ||= (gem_paths | $LOAD_PATH).filter_map do |path|
    if path.respond_to?(:to_path)
      path.to_path
    else
      String(path) rescue nil
    end
  end.sort
end

# File repl_type_completor-0.1.9/lib/repl_type_completor/require_paths.rb, line 45
def gem_paths
  return [] unless defined?(Gem::Specification)

  Gem::Specification.latest_specs(true).flat_map do |spec|
    spec.require_paths.map do |path|
      File.absolute_path?(path) ? path : File.join(spec.full_gem_path, path)
    end
  end
end

# File repl_type_completor-0.1.9/lib/repl_type_completor/require_paths.rb, line 65
def requireable_paths(base_dir, reject_prefixes: [])
  ext = ".{rb,#{RbConfig::CONFIG['DLEXT']}}"
  ext_regexp = /\.(rb|#{RbConfig::CONFIG['DLEXT']})\z/
  files = Dir.glob(["*#{ext}", "*/*#{ext}"], base: base_dir).map { |p| p.sub(ext_regexp, '') }
  dirs = Dir.glob('*/*', base: base_dir).filter_map do |path|
    "#{path}/" if File.directory?(File.join(base_dir, path))
  end
  (files + dirs).sort.reject do |path|
    reject_prefixes.any? { path.start_with?(_1) }
  end
rescue Errno::EPERM
  []
end

# File repl_type_completor-0.1.9/lib/repl_type_completor/require_paths.rb, line 40
def with_cache(key)
  @cache ||= {}
  @cache[key] ||= yield
end