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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Fulltext; |
| 6 | |
| 7 | use Cosray\Markup; |
| 8 | |
| 9 | final readonly class Snippet |
| 10 | { |
| 11 | /** @var list<array{text: string, match: bool}> */ |
| 12 | public array $segments; |
| 13 | |
| 14 | public function __construct(string $headline) |
| 15 | { |
| 16 | $segments = []; |
| 17 | $match = false; |
| 18 | foreach (preg_split( |
| 19 | '/([\x01\x02])/', |
| 20 | $headline, |
| 21 | flags: PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY, |
| 22 | ) ?: [] as $part) { |
| 23 | if ($part === "\x01" || $part === "\x02") { |
| 24 | $match = $part === "\x01"; |
| 25 | } else { |
| 26 | $segments[] = ['text' => $part, 'match' => $match]; |
| 27 | } |
| 28 | } |
| 29 | $this->segments = $segments; |
| 30 | } |
| 31 | |
| 32 | public function text(): string |
| 33 | { |
| 34 | return implode('', array_column($this->segments, 'text')); |
| 35 | } |
| 36 | |
| 37 | public function html(): Markup |
| 38 | { |
| 39 | $html = ''; |
| 40 | foreach ($this->segments as $segment) { |
| 41 | $text = htmlspecialchars($segment['text'], ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8'); |
| 42 | $html .= $segment['match'] ? '<mark>' . $text . '</mark>' : $text; |
| 43 | } |
| 44 | return new Markup($html); |
| 45 | } |
| 46 | } |