52 lines
1.3 KiB
Elixir
52 lines
1.3 KiB
Elixir
defmodule Majic do
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alias Majic.{Once, Pool, Result, Server}
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@moduledoc """
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Robust libmagic integration for Elixir.
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"""
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@doc """
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Perform on `path`.
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An option of `server: ServerName`, `pool: PoolName` or `once: true` must be passed.
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"""
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@type target :: Path.t() | {:bytes, binary()}
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@type result :: {:ok, Result.t()} | {:error, term() | String.t()}
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@type name :: {:pool, atom()} | {:server, Server.t()} | {:once, true}
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@type option :: name | Server.start_option() | Pool.option()
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@spec perform(target(), [option()]) :: result()
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def perform(path, opts) do
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mod =
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cond do
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Keyword.has_key?(opts, :pool) -> {Pool, Keyword.get(opts, :pool)}
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Keyword.has_key?(opts, :server) -> {Server, Keyword.get(opts, :server)}
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Keyword.has_key?(opts, :once) -> {Once, nil}
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true -> nil
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end
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opts =
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opts
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|> Keyword.drop([:pool, :server, :once])
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if mod do
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do_perform(mod, path, opts)
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else
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{:error, :no_method}
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end
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end
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defp do_perform({Server = mod, name}, path, opts) do
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timeout = Keyword.get(opts, :timeout, Majic.Config.default_process_timeout())
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mod.perform(name, path, timeout)
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end
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defp do_perform({Once = mod, _}, path, opts) do
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mod.perform(path, opts)
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end
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defp do_perform({Pool = mod, name}, path, opts) do
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mod.perform(name, path, opts)
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end
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end
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