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TypeCode128.php
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TypeCode128.php
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<?php
namespace Picqer\Barcode\Types;
use Picqer\Barcode\Barcode;
use Picqer\Barcode\BarcodeBar;
use Picqer\Barcode\Exceptions\BarcodeException;
use Picqer\Barcode\Exceptions\InvalidCharacterException;
use Picqer\Barcode\Exceptions\InvalidLengthException;
/*
* C128 barcodes.
* Very capable code, excellent density, high reliability; in very wide use world-wide
*
* @param $code (string) code to represent.
* @param $type (string) barcode type: A, B, C or empty for automatic switch (AUTO mode)
*/
class TypeCode128 implements TypeInterface
{
protected ?string $type = null;
protected array $conversionTable = [
'212222', /* 00 */
'222122', /* 01 */
'222221', /* 02 */
'121223', /* 03 */
'121322', /* 04 */
'131222', /* 05 */
'122213', /* 06 */
'122312', /* 07 */
'132212', /* 08 */
'221213', /* 09 */
'221312', /* 10 */
'231212', /* 11 */
'112232', /* 12 */
'122132', /* 13 */
'122231', /* 14 */
'113222', /* 15 */
'123122', /* 16 */
'123221', /* 17 */
'223211', /* 18 */
'221132', /* 19 */
'221231', /* 20 */
'213212', /* 21 */
'223112', /* 22 */
'312131', /* 23 */
'311222', /* 24 */
'321122', /* 25 */
'321221', /* 26 */
'312212', /* 27 */
'322112', /* 28 */
'322211', /* 29 */
'212123', /* 30 */
'212321', /* 31 */
'232121', /* 32 */
'111323', /* 33 */
'131123', /* 34 */
'131321', /* 35 */
'112313', /* 36 */
'132113', /* 37 */
'132311', /* 38 */
'211313', /* 39 */
'231113', /* 40 */
'231311', /* 41 */
'112133', /* 42 */
'112331', /* 43 */
'132131', /* 44 */
'113123', /* 45 */
'113321', /* 46 */
'133121', /* 47 */
'313121', /* 48 */
'211331', /* 49 */
'231131', /* 50 */
'213113', /* 51 */
'213311', /* 52 */
'213131', /* 53 */
'311123', /* 54 */
'311321', /* 55 */
'331121', /* 56 */
'312113', /* 57 */
'312311', /* 58 */
'332111', /* 59 */
'314111', /* 60 */
'221411', /* 61 */
'431111', /* 62 */
'111224', /* 63 */
'111422', /* 64 */
'121124', /* 65 */
'121421', /* 66 */
'141122', /* 67 */
'141221', /* 68 */
'112214', /* 69 */
'112412', /* 70 */
'122114', /* 71 */
'122411', /* 72 */
'142112', /* 73 */
'142211', /* 74 */
'241211', /* 75 */
'221114', /* 76 */
'413111', /* 77 */
'241112', /* 78 */
'134111', /* 79 */
'111242', /* 80 */
'121142', /* 81 */
'121241', /* 82 */
'114212', /* 83 */
'124112', /* 84 */
'124211', /* 85 */
'411212', /* 86 */
'421112', /* 87 */
'421211', /* 88 */
'212141', /* 89 */
'214121', /* 90 */
'412121', /* 91 */
'111143', /* 92 */
'111341', /* 93 */
'131141', /* 94 */
'114113', /* 95 */
'114311', /* 96 */
'411113', /* 97 */
'411311', /* 98 */
'113141', /* 99 */
'114131', /* 100 */
'311141', /* 101 */
'411131', /* 102 */
'211412', /* 103 START A */
'211214', /* 104 START B */
'211232', /* 105 START C */
'233111', /* STOP */
'200000' /* END */
];
public function getBarcode(string $code): Barcode
{
if (strlen(trim($code)) === 0) {
throw new InvalidLengthException('You should provide a barcode string.');
}
// ASCII characters for code A (ASCII 00 - 95)
$keys_a = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_';
$keys_a .= chr(0) . chr(1) . chr(2) . chr(3) . chr(4) . chr(5) . chr(6) . chr(7) . chr(8) . chr(9);
$keys_a .= chr(10) . chr(11) . chr(12) . chr(13) . chr(14) . chr(15) . chr(16) . chr(17) . chr(18) . chr(19);
$keys_a .= chr(20) . chr(21) . chr(22) . chr(23) . chr(24) . chr(25) . chr(26) . chr(27) . chr(28) . chr(29);
$keys_a .= chr(30) . chr(31);
// ASCII characters for code B (ASCII 32 - 127)
$keys_b = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~' . chr(127);
// special codes
$fnc_a = [241 => 102, 242 => 97, 243 => 96, 244 => 101];
$fnc_b = [241 => 102, 242 => 97, 243 => 96, 244 => 100];
// array of symbols
$code_data = [];
// length of the code
$len = strlen($code);
switch (strtoupper($this->type ?? "")) {
case 'A':
$startid = 103;
for ($i = 0; $i < $len; ++$i) {
$char = $code[$i];
$char_id = ord($char);
if (($char_id >= 241) AND ($char_id <= 244)) {
$code_data[] = $fnc_a[$char_id];
} elseif ($char_id <= 95) {
$code_data[] = strpos($keys_a, $char);
} else {
throw new InvalidCharacterException('Char ' . $char . ' is unsupported');
}
}
break;
case 'B':
$startid = 104;
for ($i = 0; $i < $len; ++$i) {
$char = $code[$i];
$char_id = ord($char);
if (($char_id >= 241) AND ($char_id <= 244)) {
$code_data[] = $fnc_b[$char_id];
} elseif (($char_id >= 32) AND ($char_id <= 127)) {
$code_data[] = strpos($keys_b, $char);
} else {
throw new InvalidCharacterException('Char ' . $char . ' is unsupported');
}
}
break;
case 'C':
$startid = 105;
if (ord($code[0]) == 241) {
$code_data[] = 102;
$code = substr($code, 1);
--$len;
}
if (($len % 2) != 0) {
throw new InvalidLengthException('Length must be even');
}
for ($i = 0; $i < $len; $i += 2) {
$chrnum = $code[$i] . $code[$i + 1];
if (preg_match('/([0-9]{2})/', $chrnum) > 0) {
$code_data[] = intval($chrnum);
} else {
throw new InvalidCharacterException();
}
}
break;
default:
// split code into sequences
$sequence = [];
// get numeric sequences (if any)
$numseq = [];
preg_match_all('/([0-9]{4,})/', $code, $numseq, PREG_OFFSET_CAPTURE);
if (! empty($numseq[1])) {
$end_offset = 0;
foreach ($numseq[1] as $val) {
$offset = $val[1];
// numeric sequence
$slen = strlen($val[0]);
if (($slen % 2) != 0) {
// the length must be even
++$offset;
$val[0] = substr($val[0], 1);
}
if ($offset > $end_offset) {
// non numeric sequence
$sequence = array_merge($sequence,
$this->get128ABsequence(substr($code, $end_offset, ($offset - $end_offset))));
}
// numeric sequence fallback
$slen = strlen($val[0]);
if (($slen % 2) != 0) {
// the length must be even
--$slen;
}
$sequence[] = ['C', substr($code, $offset, $slen), $slen];
$end_offset = $offset + $slen;
}
if ($end_offset < $len) {
$sequence = array_merge($sequence, $this->get128ABsequence(substr($code, $end_offset)));
}
} else {
// text code (non C mode)
$sequence = array_merge($sequence, $this->get128ABsequence($code));
}
// process the sequence
foreach ($sequence as $key => $seq) {
switch ($seq[0]) {
case 'A':
if ($key == 0) {
$startid = 103;
} elseif ($sequence[($key - 1)][0] != 'A') {
if (($seq[2] == 1) AND ($key > 0) AND ($sequence[($key - 1)][0] == 'B') AND (! isset($sequence[($key - 1)][3]))) {
// single character shift
$code_data[] = 98;
// mark shift
$sequence[$key][3] = true;
} elseif (! isset($sequence[($key - 1)][3])) {
$code_data[] = 101;
}
}
for ($i = 0; $i < $seq[2]; ++$i) {
$char = $seq[1][$i];
$char_id = ord($char);
if (($char_id >= 241) AND ($char_id <= 244)) {
$code_data[] = $fnc_a[$char_id];
} else {
$code_data[] = strpos($keys_a, $char);
}
}
break;
case 'B':
if ($key == 0) {
$tmpchr = ord($seq[1][0]);
if (($seq[2] == 1) AND ($tmpchr >= 241) AND ($tmpchr <= 244) AND isset($sequence[($key + 1)]) AND ($sequence[($key + 1)][0] != 'B')) {
switch ($sequence[($key + 1)][0]) {
case 'A':
{
$startid = 103;
$sequence[$key][0] = 'A';
$code_data[] = $fnc_a[$tmpchr];
break;
}
case 'C':
{
$startid = 105;
$sequence[$key][0] = 'C';
$code_data[] = $fnc_a[$tmpchr];
break;
}
}
break;
} else {
$startid = 104;
}
} elseif ($sequence[($key - 1)][0] != 'B') {
if (($seq[2] == 1) AND ($key > 0) AND ($sequence[($key - 1)][0] == 'A') AND (! isset($sequence[($key - 1)][3]))) {
// single character shift
$code_data[] = 98;
// mark shift
$sequence[$key][3] = true;
} elseif (! isset($sequence[($key - 1)][3])) {
$code_data[] = 100;
}
}
for ($i = 0; $i < $seq[2]; ++$i) {
$char = $seq[1][$i];
$char_id = ord($char);
if (($char_id >= 241) AND ($char_id <= 244)) {
$code_data[] = $fnc_b[$char_id];
} else {
$code_data[] = strpos($keys_b, $char);
}
}
break;
case 'C':
if ($key == 0) {
$startid = 105;
} elseif ($sequence[($key - 1)][0] != 'C') {
$code_data[] = 99;
}
for ($i = 0; $i < $seq[2]; $i += 2) {
$chrnum = $seq[1][$i] . $seq[1][$i + 1];
$code_data[] = intval($chrnum);
}
break;
default:
throw new InvalidCharacterException('Do not support different mode then A, B or C.');
}
}
}
// calculate check character
if (! isset($startid)) {
throw new BarcodeException('Could not determine start char for barcode.');
}
$sum = $startid;
foreach ($code_data as $key => $val) {
$sum += ($val * ($key + 1));
}
// add check character
$code_data[] = ($sum % 103);
// add stop sequence
$code_data[] = 106;
$code_data[] = 107;
// add start code at the beginning
array_unshift($code_data, $startid);
// build barcode array
$barcode = new Barcode($code);
foreach ($code_data as $val) {
$seq = $this->conversionTable[$val];
for ($j = 0; $j < 6; ++$j) {
if (($j % 2) == 0) {
$t = true; // bar
} else {
$t = false; // space
}
$w = $seq[$j];
$barcode->addBar(new BarcodeBar($w, 1, $t));
}
}
return $barcode;
}
/**
* Split text code in A/B sequence for 128 code
*
* @param $code (string) code to split.
* @return array sequence
* @protected
*/
protected function get128ABsequence($code): array
{
$len = strlen($code);
$sequence = [];
// get A sequences (if any)
$numseq = [];
preg_match_all('/([\x00-\x1f])/', $code, $numseq, PREG_OFFSET_CAPTURE);
if (empty($numseq[1])) {
$end_offset = 0;
foreach ($numseq[1] as $val) {
$offset = $val[1];
if ($offset > $end_offset) {
// B sequence
$sequence[] = [
'B',
substr($code, $end_offset, ($offset - $end_offset)),
($offset - $end_offset)
];
}
// A sequence
$slen = strlen($val[0]);
$sequence[] = ['A', substr($code, $offset, $slen), $slen];
$end_offset = $offset + $slen;
}
if ($end_offset < $len) {
$sequence[] = ['B', substr($code, $end_offset), ($len - $end_offset)];
}
} else {
// only B sequence
$sequence[] = ['B', $code, $len];
}
return $sequence;
}
}