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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Richtext; |
| 6 | |
| 7 | /** |
| 8 | * Collects the complete set of reference carriers from a richtext |
| 9 | * document: `image.uid`, `link.asset`, and `link.node`. Feeds the |
| 10 | * reference indexes (Phase 2) and the panel's asset lookup. |
| 11 | */ |
| 12 | final class Scanner |
| 13 | { |
| 14 | /** @return array{assets: list<string>, nodes: list<string>} */ |
| 15 | public static function scan(mixed $doc): array |
| 16 | { |
| 17 | $assets = []; |
| 18 | $nodes = []; |
| 19 | self::walk(is_array($doc) ? $doc : [], $assets, $nodes); |
| 20 | |
| 21 | return [ |
| 22 | 'assets' => array_values(array_unique($assets)), |
| 23 | 'nodes' => array_values(array_unique($nodes)), |
| 24 | ]; |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * Scan a whole node content array: every envelope-marked richtext |
| 29 | * value (fields and blocks alike) contributes its references. |
| 30 | * |
| 31 | * @return array{assets: list<string>, nodes: list<string>} |
| 32 | */ |
| 33 | public static function scanContent(mixed $content): array |
| 34 | { |
| 35 | $assets = []; |
| 36 | $nodes = []; |
| 37 | self::walkContent(is_array($content) ? $content : [], $assets, $nodes); |
| 38 | |
| 39 | return [ |
| 40 | 'assets' => array_values(array_unique($assets)), |
| 41 | 'nodes' => array_values(array_unique($nodes)), |
| 42 | ]; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * @param list<string> $assets |
| 47 | * @param list<string> $nodes |
| 48 | */ |
| 49 | private static function walkContent(array $data, array &$assets, array &$nodes): void |
| 50 | { |
| 51 | if (($data['format'] ?? null) === Envelope::FORMAT && is_array($data['value'] ?? null)) { |
| 52 | foreach ($data['value'] as $doc) { |
| 53 | if (is_array($doc)) { |
| 54 | self::walk($doc, $assets, $nodes); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | return; |
| 59 | } |
| 60 | |
| 61 | foreach ($data as $value) { |
| 62 | if (is_array($value)) { |
| 63 | self::walkContent($value, $assets, $nodes); |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @param list<string> $assets |
| 70 | * @param list<string> $nodes |
| 71 | */ |
| 72 | private static function walk(array $node, array &$assets, array &$nodes): void |
| 73 | { |
| 74 | if (($node['type'] ?? null) === 'image') { |
| 75 | $uid = $node['attrs']['uid'] ?? null; |
| 76 | |
| 77 | if (is_string($uid) && $uid !== '') { |
| 78 | $assets[] = $uid; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | foreach (is_array($node['marks'] ?? null) ? $node['marks'] : [] as $mark) { |
| 83 | if (!is_array($mark) || ($mark['type'] ?? null) !== 'link') { |
| 84 | continue; |
| 85 | } |
| 86 | |
| 87 | $asset = $mark['attrs']['asset'] ?? null; |
| 88 | $target = $mark['attrs']['node'] ?? null; |
| 89 | |
| 90 | if (is_string($asset) && $asset !== '') { |
| 91 | $assets[] = $asset; |
| 92 | } |
| 93 | |
| 94 | if (is_string($target) && $target !== '') { |
| 95 | $nodes[] = $target; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | foreach (is_array($node['content'] ?? null) ? $node['content'] : [] as $child) { |
| 100 | if (is_array($child)) { |
| 101 | self::walk($child, $assets, $nodes); |
| 102 | } |
| 103 | } |
| 104 | } |
| 105 | } |