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vendor/symfony/console/Helper/OutputWrapper.php
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vendor/symfony/console/Helper/OutputWrapper.php
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Helper;
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/**
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* Simple output wrapper for "tagged outputs" instead of wordwrap(). This solution is based on a StackOverflow
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* answer: https://stackoverflow.com/a/20434776/1476819 from user557597 (alias SLN).
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*
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* (?:
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* # -- Words/Characters
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* ( # (1 start)
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* (?> # Atomic Group - Match words with valid breaks
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* .{1,16} # 1-N characters
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* # Followed by one of 4 prioritized, non-linebreak whitespace
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* (?: # break types:
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* (?<= [^\S\r\n] ) # 1. - Behind a non-linebreak whitespace
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* [^\S\r\n]? # ( optionally accept an extra non-linebreak whitespace )
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* | (?= \r? \n ) # 2. - Ahead a linebreak
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* | $ # 3. - EOS
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* | [^\S\r\n] # 4. - Accept an extra non-linebreak whitespace
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* )
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* ) # End atomic group
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* |
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* .{1,16} # No valid word breaks, just break on the N'th character
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* ) # (1 end)
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* (?: \r? \n )? # Optional linebreak after Words/Characters
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* |
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* # -- Or, Linebreak
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* (?: \r? \n | $ ) # Stand alone linebreak or at EOS
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* )
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*
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* @author Krisztián Ferenczi <ferenczi.krisztian@gmail.com>
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*
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* @see https://stackoverflow.com/a/20434776/1476819
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*/
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final class OutputWrapper
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{
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private const TAG_OPEN_REGEX_SEGMENT = '[a-z](?:[^\\\\<>]*+ | \\\\.)*';
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private const TAG_CLOSE_REGEX_SEGMENT = '[a-z][^<>]*+';
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private const URL_PATTERN = 'https?://\S+';
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public function __construct(
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private bool $allowCutUrls = false
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) {
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}
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public function wrap(string $text, int $width, string $break = "\n"): string
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{
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if (!$width) {
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return $text;
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}
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$tagPattern = sprintf('<(?:(?:%s)|/(?:%s)?)>', self::TAG_OPEN_REGEX_SEGMENT, self::TAG_CLOSE_REGEX_SEGMENT);
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$limitPattern = "{1,$width}";
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$patternBlocks = [$tagPattern];
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if (!$this->allowCutUrls) {
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$patternBlocks[] = self::URL_PATTERN;
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}
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$patternBlocks[] = '.';
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$blocks = implode('|', $patternBlocks);
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$rowPattern = "(?:$blocks)$limitPattern";
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$pattern = sprintf('#(?:((?>(%1$s)((?<=[^\S\r\n])[^\S\r\n]?|(?=\r?\n)|$|[^\S\r\n]))|(%1$s))(?:\r?\n)?|(?:\r?\n|$))#imux', $rowPattern);
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$output = rtrim(preg_replace($pattern, '\\1'.$break, $text), $break);
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return str_replace(' '.$break, $break, $output);
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}
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}
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