43 lines
1.2 KiB
Elixir
43 lines
1.2 KiB
Elixir
## This Source Code Form is subject to the terms of the Mozilla Public
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## License, v. 2.0. If a copy of the MPL was not distributed with this
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## file, You can obtain one at https://mozilla.org/MPL/2.0/.
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##
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## Copyright (c) 2007-2021 VMware, Inc. or its affiliates. All rights reserved.
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# Formats returned values e.g. to human-readable text or JSON.
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defmodule RabbitMQ.CLI.FormatterBehaviour do
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alias RabbitMQ.CLI.Core.Helpers
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@callback format_output(any, map()) :: String.t() | [String.t()]
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@callback format_stream(Enumerable.t(), map()) :: Enumerable.t()
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@optional_callbacks switches: 0,
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aliases: 0
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@callback switches() :: Keyword.t()
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@callback aliases() :: Keyword.t()
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def switches(formatter) do
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Helpers.apply_if_exported(formatter, :switches, [], [])
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end
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def aliases(formatter) do
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Helpers.apply_if_exported(formatter, :aliases, [], [])
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end
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def module_name(nil) do
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nil
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end
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def module_name(formatter) do
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mod = formatter |> String.downcase |> Macro.camelize
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Module.safe_concat("RabbitMQ.CLI.Formatters", mod)
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end
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def machine_readable?(nil) do
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false
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end
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def machine_readable?(formatter) do
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Helpers.apply_if_exported(module_name(formatter), :machine_readable?, [], false)
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end
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end
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