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## This Source Code Form is subject to the terms of the Mozilla Public
## License, v. 2.0. If a copy of the MPL was not distributed with this
## file, You can obtain one at https://mozilla.org/MPL/2.0/.
##
## Copyright (c) 2007-2023 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. All rights reserved.
defmodule RabbitMQ.CLI.Formatters.StringPerLine do
@doc """
Use this to output one stream (collection) element per line,
using the string formatter. Flattens the stream.
"""
alias RabbitMQ.CLI.Formatters.FormatterHelpers
alias RabbitMQ.CLI.Core.Helpers
import RabbitMQ.CLI.Core.Platform, only: [line_separator: 0]
@behaviour RabbitMQ.CLI.FormatterBehaviour
def format_output(output, _) do
Enum.map(output, fn el -> Helpers.string_or_inspect(el) end) |> Enum.join()
end
def format_stream(stream, options) do
Stream.scan(
stream,
:empty,
FormatterHelpers.without_errors_2(fn element, previous ->
separator =
case previous do
:empty -> ""
_ -> line_separator()
end
format_element(element, separator, options)
end)
)
end
def format_element(val, separator, options) do
separator <> format_output(val, options)
end
end
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