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exstatic

0.1.0
0.1.0

Serve static files from memory in the Phoenix Framework. This extension compiles all of a project's static assets (e.g. Javascript, HTML, images, etc) into Erlang modules and loads them into the Erlang VM, with the purpose of serving them fast and without a dependency on a filesystem.

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exstatic lib exstatic.ex
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lib/exstatic.ex 

defmodule ExStatic.Macro do

  defmacro file_accessor(name) do

    name_excl = :erlang.list_to_atom(:erlang.atom_to_list(name) ++ '!')

    quote do

      def unquote(name)(filepath) do

        try do

          mod = String.to_existing_atom(ExStatic.Compiler.modulename(filepath))

          {:ok, apply(mod, unquote(name), [])}

        rescue

          ArgumentError -> {:error, :nofile, filepath}

        end

      end



      def unquote(name_excl)(filepath) do

        {:ok, value} = unquote(name)(filepath)

        value

      end

      

    end

  end

end



defmodule ExStatic do



  import ExStatic.Macro



  # Do we exist? (always returns true)

  file_accessor :exists



  # Return the contents of the file as a binary string.

  file_accessor :contents



  # Return the gzipped contents of the file

  file_accessor :gzip_contents



  # Return the size of the file, in bytes

  file_accessor :size



  # Return the size of the gzipped file

  file_accessor :gzip_size



  # Return the content type

  file_accessor :content_type



  # Return the ctime

  file_accessor :ctime



  # Return the ctime

  file_accessor :mtime



  def exists?(filepath) do

    case exists(filepath) do

      {:ok, true} -> true 

      _ -> false

    end

  end



end