mirror of
https://github.com/Part-DB/Part-DB-server.git
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85 lines
2.7 KiB
PHP
85 lines
2.7 KiB
PHP
<?php
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/**
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2024 Alex Barclay (https://github.com/barclaac)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace App\Helpers;
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use Psr\Log\LoggerInterface;
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/*
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EIGP 114
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ISO/IEC 15418
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ANS MH10.8.2-2016
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Based on the ISO standard but it seems that both Mouser and Digikey aren't quite
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following the standard.
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Message is defined as (very loose RE format): ({:RS:} = 0x1e, {:GS:} = 0x1d, {:EOT:} = 0x04)
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Header: [)>{:RS:}06{:GS:}
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Field data identifier: [0-9]*[A-Z]
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Field data: .*
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Field Separator: {:GS:} - may or may not be present after last field
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Trailer: {:RS:}{:EOT:}
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Mouser & Digikey differences:
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Header: [)>06{:GS:} - note the missing {:RS:}
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Field: last field missing trailer {:RS:}{:EOT:} so use {:CR:} inserted by scanner itself
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*/
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class EIGP114
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{
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public static function decode($barcode): array {
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$rslt = [];
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// Find the start sequence for a type 6 ISO/IEC 15434 message
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$hdrPattern = "/(\[\)>\u{001e}*06\u{001d})([[:print:]\u{001d}]*)(\u{001e}\u{0004})*/";
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$matches = [];
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$loc = preg_match_all($hdrPattern, $barcode, $matches);
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$fields = [];
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if ($loc) {
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$remain = $matches[2][0];
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$fields = preg_split("/\u{001d}/", $remain);
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foreach ($fields as &$v) {
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EIGP114::processField($v, $rslt);
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}
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}
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return $rslt;
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}
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private static function processField($field, &$result) : void {
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$pattern = "/([0-9]{0,2}[A-Z])(.+)/";
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$matches = [];
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if (preg_match_all($pattern, $field, $matches)) {
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switch ($matches[1][0]) {
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case 'L':
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$result['location'] = $matches[2][0];
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break;
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case '1P':
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$result['supplier_pn'] = $matches[2][0];
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break;
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case 'Q':
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$result['quantity'] = $matches[2][0];
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break;
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default:
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//array_push($result, $matches);
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}
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}
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}
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}
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