CSSPool::Collection

# File lib/csspool/collection.rb, line 5
def initialize &block
  @docs   = []
  @block  = block
end

# File lib/csspool/collection.rb, line 10
def << string
  doc = CSSPool.CSS string

  import_tree = [[doc]]

  imported_urls = {}

  until import_tree.last.all? { |x| x.import_rules.length == 0 }
    level = import_tree.last
    import_tree << []
    level.each do |l|
      l.import_rules.each do |ir|
        next if imported_urls.key? ir.uri

        new_doc = ir.load(&@block)

        imported_urls[ir.uri] = ir.load(&@block)
        import_tree.last << new_doc
      end
    end
  end

  @docs += import_tree.flatten.reverse
  self
end

# File lib/csspool/collection.rb, line 40
def [] idx
  @docs[idx]
end

# File lib/csspool/collection.rb, line 44
def each &block
  @docs.each(&block)
end

# File lib/csspool/collection.rb, line 48
def last; @docs.last; end

# File lib/csspool/collection.rb, line 36
def length
  @docs.length
end