class RBS::Annotate::Annotations

def self.parse(annotation)
  string = annotation.string
  case
  when match = string.match(/\Aannotate:rdoc:skip(:all)?\Z/)
    Skip.new(
      annotation: annotation,
      skip_children: string.end_with?(":all")
    )
  when match = string.match(/\Aannotate:rdoc:source:from=(?<path>.+)\Z/)
    Source.new(
      annotation: annotation,
      include: (match[:path] or raise).strip
    )
  when match = string.match(/\Aannotate:rdoc:source:skip=(?<path>.+)\Z/)
    Source.new(
      annotation: annotation,
      skip: (match[:path] or raise).strip
    )
  when match = string.match(/\Aannotate:rdoc:copy:(?<name>.+)\Z/)
    Copy.new(
      annotation: annotation,
      source: (match[:name] or raise).strip
    )
  end
end

def copy_annotation
  _ = items.find {|a| a.is_a?(Copy) }
end

def initialize(items)
  @items = items
end

def skip?
  items.any? {|a| a.is_a?(Skip) }
end

def skip_all?
  items.any? {|a| a.is_a?(Skip) && a.skip_children }
end

def test_path(path)
  # @type var source_items: Array[Source]
  source_items = _ = items.select {|item| item.is_a?(Source) }
  return true if source_items.empty?
  result = source_items[0].include_source == nil
  items.each do |a|
    if a.is_a?(Source)
      if pat = a.include_source
        if test_path_string(pat, path)
          result = true
        end
      end
      if pat = a.skip_source
        if test_path_string(pat, path)
          result = false
        end
      end
    end
  end
  result
end

def test_path_string(pattern, string)
  return true if pattern == string
  return true if string.start_with?(pattern + File::SEPARATOR)
  false
end