41 lines
1.3 KiB
Elixir
41 lines
1.3 KiB
Elixir
## The contents of this file are subject to the Mozilla Public License
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## Version 1.1 (the "License"); you may not use this file except in
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## compliance with the License. You may obtain a copy of the License
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## at http://www.mozilla.org/MPL/
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##
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## Software distributed under the License is distributed on an "AS IS"
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## basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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## the License for the specific language governing rights and
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## limitations under the License.
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##
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## The Original Code is RabbitMQ.
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##
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## The Initial Developer of the Original Code is GoPivotal, Inc.
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## Copyright (c) 2007-2016 Pivotal Software, Inc. All rights reserved.
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defmodule Parser do
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# Input: A list of strings
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# Output: A 2-tuple of lists: one containing the command,
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# one containing flagged options.
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def parse(command) do
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{options, cmd, _} = OptionParser.parse(
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command,
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switches: [node: :atom, quiet: :boolean, timeout: :integer],
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aliases: [n: :node, q: :quiet, t: :timeout]
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)
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{clear_on_empty_command(cmd), options |> Map.new}
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end
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# Discards entire command if first command term is empty.
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defp clear_on_empty_command(command_args) do
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case command_args do
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[] -> []
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[""|_] -> []
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[_head|_] -> command_args
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end
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end
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end
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