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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * SPDX-License-Identifier: EUPL-1.2 |
| 5 | * |
| 6 | * This file is part of icap-flow. |
| 7 | * |
| 8 | * Licensed under the EUPL, Version 1.2 only (the "Licence"); |
| 9 | * you may not use this work except in compliance with the Licence. |
| 10 | * You may obtain a copy of the Licence at: |
| 11 | * |
| 12 | * https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the Licence is distributed on an "AS IS" basis, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | */ |
| 18 | |
| 19 | declare(strict_types=1); |
| 20 | |
| 21 | namespace Ndrstmr\Icap; |
| 22 | |
| 23 | use Ndrstmr\Icap\DTO\IcapRequest; |
| 24 | |
| 25 | /** |
| 26 | * Formats ICAP requests into a sequence of raw byte chunks ready for |
| 27 | * transport. |
| 28 | */ |
| 29 | interface RequestFormatterInterface |
| 30 | { |
| 31 | /** |
| 32 | * Render the ICAP request into a sequence of raw byte chunks. |
| 33 | * |
| 34 | * Returning an iterable (instead of one large string) allows transports |
| 35 | * to stream large encapsulated HTTP bodies to the socket without |
| 36 | * buffering the whole request in memory. |
| 37 | * |
| 38 | * @return iterable<string> |
| 39 | */ |
| 40 | public function format(IcapRequest $request): iterable; |
| 41 | } |