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<?php |
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/** |
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* This file is part of graze/console-diff-renderer. |
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* |
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* Copyright (c) 2017 Nature Delivered Ltd. <https://www.graze.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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* @license https://github.com/graze/console-diff-renderer/blob/master/LICENSE.md |
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* @link https://github.com/graze/console-diff-renderer |
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*/ |
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namespace Graze\DiffRenderer\Diff; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class ConsoleDiff extends FirstDiff |
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{ |
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const UNCLOSED_TAGS = '/<(?P<tag>[a-z;=]+)>(?!.*?<\/(?:(?P=tag)|)>)/i'; |
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/** @var FirstDiff */ |
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private $diff; |
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/** |
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* ConsoleDiff constructor. |
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* |
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* @param FirstDiff|null $differ |
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*/ |
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public function __construct($differ = null) |
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{ |
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$this->diff = $differ ?: new FirstDiff(); |
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} |
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/** |
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* @param string[] $old |
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* @param string[] $new |
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* @param int $options |
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* |
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* @return string[] |
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*/ |
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public function lines(array $old, array $new, $options = OutputInterface::OUTPUT_NORMAL) |
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{ |
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$diff = $this->diff->lines($old, $new); |
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if (($options & OutputInterface::OUTPUT_NORMAL) == OutputInterface::OUTPUT_NORMAL) { |
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// replace col number with strip_tags version to represent what is outputted to the user |
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$len = count($new); |
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for ($i = 0; $i < $len; $i++) { |
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if (isset($diff[$i]) && !is_null($new[$i]) && $diff[$i]['col'] > 0) { |
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$tags = $this->getUnclosedTags(mb_substr($new[$i], 0, $diff[$i]['col'])); |
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if (count($tags) > 0) { |
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$diff[$i]['str'] = '<' . implode('><', $tags) . '>' . $diff[$i]['str']; |
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} |
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$diff[$i]['col'] = mb_strlen(strip_tags(mb_substr($new[$i], 0, $diff[$i]['col']))); |
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} |
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} |
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} |
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return $diff; |
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} |
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/** |
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* Find a list of unclosed tags |
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* |
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* @param string $string |
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* |
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* @return string[] |
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*/ |
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private function getUnclosedTags($string) |
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{ |
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if (preg_match_all(static::UNCLOSED_TAGS, $string, $matches)) { |
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return $matches['tag']; |
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} |
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return []; |
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} |
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} |
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graze /
console-diff-renderer
