mirror of
https://git.code.sf.net/p/zint/code
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95 lines
3 KiB
PHP
95 lines
3 KiB
PHP
<?php
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/* Generate lookup table from unicode.org mapping file (SHIFTJIS.TXT by default). */
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/*
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libzint - the open source barcode library
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Copyright (C) 2019-2021 Robin Stuart <rstuart114@gmail.com>
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*/
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/* To create backend/tests/test_sjis_tab.h (from backend/tests/build directory):
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*
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* php ../tools/gen_test_tab.php
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*
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* To create backend/tests/test_gb2312_tab.h;
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*
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* php ../tools/gen_test_tab.php -f GB2312.TXT -s gb2312_tab
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*
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* To create backend/tests/test_gb18030_tab.h (note that backend/tests/tools/data/GB18030.TXT
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* will have to be downloaded first from https://haible.de/bruno/charsets/conversion-tables/GB18030.html
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* using the version libiconv-1.11/GB18030.TXT):
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*
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* php ../tools/gen_test_tab.php -f GB18030.TXT -s gb18030_tab
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*
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* To create backend/tests/test_big5_tab.h;
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*
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* php ../tools/gen_test_tab.php -f BIG5.TXT -s big5_tab
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*
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* To create backend/tests/test_ksx1001_tab.h;
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*
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* php ../tools/gen_test_tab.php -f KSX1001.TXT -s ksx1001_tab
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*
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*/
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/* vim: set ts=4 sw=4 et : */
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$basename = basename(__FILE__);
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$dirname = dirname(__FILE__);
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$opts = getopt('d:f:o:s:');
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$data_dirname = isset($opts['d']) ? $opts['d'] : ($dirname . '/data'); // Where to load file from.
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$file_name = isset($opts['f']) ? $opts['f'] : 'SHIFTJIS.TXT'; // Name of file.
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$out_dirname = isset($opts['o']) ? $opts['o'] : ($dirname . '/..'); // Where to put output.
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$suffix_name = isset($opts['s']) ? $opts['s'] : 'sjis_tab'; // Suffix of table and output file.
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$file = $data_dirname . '/' . $file_name;
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// Read the file.
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if (($get = file_get_contents($file)) === false) {
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error_log($error = "$basename: ERROR: Could not read mapping file \"$file\"");
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exit($error . PHP_EOL);
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}
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$lines = explode("\n", $get);
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// Parse the file.
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$tab_lines = array();
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$sort = array();
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foreach ($lines as $line) {
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$line = trim($line);
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if ($line === '' || strncmp($line, '0x', 2) !== 0 || strpos($line, "*** NO MAPPING ***") !== false) {
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continue;
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}
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if (preg_match('/^0x([0-9A-F]{2,8})[ \t]+0x([0-9A-F]{5})/', $line)) { // Exclude U+10000..10FFFF to save space
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continue;
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}
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$tab_lines[] = preg_replace_callback('/^0x([0-9A-F]{2,8})[ \t]+0x([0-9A-F]{4}).*$/', function ($matches) {
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global $sort;
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$mb = hexdec($matches[1]);
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$unicode = hexdec($matches[2]);
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$sort[] = $unicode;
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return sprintf(" 0x%04X, 0x%04X,", $mb, $unicode);
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}, $line);
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}
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array_multisort($sort, $tab_lines);
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// Output.
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$out = array();
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$out[] = '/* Generated by ' . $basename . ' from ' . $file_name . ' */';
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$out[] = 'static const unsigned int test_' . $suffix_name . '[] = {';
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$out = array_merge($out, $tab_lines);
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$out[] = '};';
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$out[] = '';
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$out[] = 'static const unsigned int test_' . $suffix_name . '_ind[] = {';
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$first = 0;
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foreach ($sort as $ind => $unicode) {
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$div = (int)($unicode / 0x400);
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while ($div >= $first) {
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$out[] = ' ' . ($ind * 2) . ',';
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$first++;
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}
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}
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$out[] = '};';
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file_put_contents($out_dirname . '/test_' . $suffix_name . '.h', implode("\n", $out) . "\n");
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