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181 lines (146 loc) · 4.97 KB
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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Util;
use PHPUnit\Framework\Exception;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class Getopt
{
/**
* @throws Exception
*/
public static function getopt(array $args, string $short_options, array $long_options = null): array
{
if (empty($args)) {
return [[], []];
}
$opts = [];
$non_opts = [];
if ($long_options) {
\sort($long_options);
}
if (isset($args[0][0]) && $args[0][0] !== '-') {
\array_shift($args);
}
\reset($args);
$args = \array_map('trim', $args);
/* @noinspection ComparisonOperandsOrderInspection */
while (false !== $arg = \current($args)) {
$i = \key($args);
\next($args);
if ($arg === '') {
continue;
}
if ($arg === '--') {
$non_opts = \array_merge($non_opts, \array_slice($args, $i + 1));
break;
}
if ($arg[0] !== '-' || (\strlen($arg) > 1 && $arg[1] === '-' && !$long_options)) {
$non_opts[] = $args[$i];
continue;
}
if (\strlen($arg) > 1 && $arg[1] === '-') {
self::parseLongOption(
\substr($arg, 2),
$long_options,
$opts,
$args
);
} else {
self::parseShortOption(
\substr($arg, 1),
$short_options,
$opts,
$args
);
}
}
return [$opts, $non_opts];
}
/**
* @throws Exception
*/
private static function parseShortOption(string $arg, string $short_options, array &$opts, array &$args): void
{
$argLen = \strlen($arg);
for ($i = 0; $i < $argLen; $i++) {
$opt = $arg[$i];
$opt_arg = null;
if ($arg[$i] === ':' || ($spec = \strstr($short_options, $opt)) === false) {
throw new Exception(
"unrecognized option -- $opt"
);
}
if (\strlen($spec) > 1 && $spec[1] === ':') {
if ($i + 1 < $argLen) {
$opts[] = [$opt, \substr($arg, $i + 1)];
break;
}
if (!(\strlen($spec) > 2 && $spec[2] === ':')) {
/* @noinspection ComparisonOperandsOrderInspection */
if (false === $opt_arg = \current($args)) {
throw new Exception(
"option requires an argument -- $opt"
);
}
\next($args);
}
}
$opts[] = [$opt, $opt_arg];
}
}
/**
* @throws Exception
*/
private static function parseLongOption(string $arg, array $long_options, array &$opts, array &$args): void
{
$count = \count($long_options);
$list = \explode('=', $arg);
$opt = $list[0];
$opt_arg = null;
if (\count($list) > 1) {
$opt_arg = $list[1];
}
$opt_len = \strlen($opt);
foreach ($long_options as $i => $long_opt) {
$opt_start = \substr($long_opt, 0, $opt_len);
if ($opt_start !== $opt) {
continue;
}
$opt_rest = \substr($long_opt, $opt_len);
if ($opt_rest !== '' && $i + 1 < $count && $opt[0] !== '=' && \strpos($long_options[$i + 1], $opt) === 0) {
throw new Exception(
"option --$opt is ambiguous"
);
}
if (\substr($long_opt, -1) === '=') {
/* @noinspection StrlenInEmptyStringCheckContextInspection */
if (\substr($long_opt, -2) !== '==' && !\strlen((string) $opt_arg)) {
/* @noinspection ComparisonOperandsOrderInspection */
if (false === $opt_arg = \current($args)) {
throw new Exception(
"option --$opt requires an argument"
);
}
\next($args);
}
} elseif ($opt_arg) {
throw new Exception(
"option --$opt doesn't allow an argument"
);
}
$full_option = '--' . \preg_replace('/={1,2}$/', '', $long_opt);
$opts[] = [$full_option, $opt_arg];
return;
}
throw new Exception("unrecognized option --$opt");
}
}