zint/backend/tools/cnv_sjis.php

32 lines
966 B
PHP

<?php
/* Convert libiconv-1.16/lib/jisx0208.h to Shift JIS values. */
/*
libzint - the open source barcode library
Copyright (C) 2008-2019 Robin Stuart <rstuart114@gmail.com>
*/
/* vim: set ts=4 sw=4 et : */
$in = false;
while ($line = fgets(STDIN)) {
if ($in) {
if (strncmp($line, '};', 2) === 0) {
echo $line;
break;
}
echo preg_replace_callback('/0x([0-9a-f]{4})/', function ($matches) {
$dec = hexdec($matches[1]);
$c1 = $dec >> 8;
$c2 = ($dec & 0xFF);
$t1 = ($c1 - 0x21) >> 1;
$t2 = ((($c1 - 0x21) & 1) ? 0x5e : 0) + ($c2 - 0x21);
$r = (($t1 < 0x1f ? ($t1 + 0x81) : ($t1 + 0xc1)) << 8) | ($t2 < 0x3f ? ($t2 + 0x40) : ($t2 + 0x41));
return '0x' . dechex($r);
}, $line);
} else {
if (strpos($line, 'jisx0208_2charset') !== false) {
echo $line;
$in = true;
}
}
}