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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.Core.Output do
def format_output(:ok, _, _) do
:ok
end
# the command intends to produce no output
def format_output({:ok, nil}, _, _) do
:ok
end
def format_output({:ok, :check_passed}, _, _) do
:ok
end
def format_output({:ok, output}, formatter, options) do
{:ok, formatter.format_output(output, options)}
end
def format_output({:stream, stream}, formatter, options) do
{:stream, formatter.format_stream(stream, options)}
end
def print_output(output, printer, options) do
{:ok, printer_state} = printer.init(options)
exit_code = print_output_0(output, printer, printer_state)
printer.finish(printer_state)
exit_code
end
def print_output_0(:ok, printer, printer_state) do
printer.print_ok(printer_state)
:ok
end
# the command intends to produce no output
def print_output_0({:ok, nil}, _printer, _printer_state) do
:ok
end
def print_output_0({:ok, :check_passed}, _printer, _printer_state) do
:ok
end
def print_output_0({:ok, single_value}, printer, printer_state) do
printer.print_output(single_value, printer_state)
:ok
end
def print_output_0({:stream, stream}, printer, printer_state) do
case print_output_stream(stream, printer, printer_state) do
:ok -> :ok
{:error, _} = err -> err
end
end
def print_output_stream(stream, printer, printer_state) do
Enum.reduce_while(stream, :ok, fn
{:error, err}, _ ->
{:halt, {:error, err}}
val, _ ->
printer.print_output(val, printer_state)
{:cont, :ok}
end)
end
end
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