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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace PeServer\Core\Html; |
| 6 | |
| 7 | use DOMDocument; |
| 8 | use DOMElement; |
| 9 | use PeServer\Core\Html\HtmlTagElement; |
| 10 | use PeServer\Core\Html\HtmlElementBase; |
| 11 | use PeServer\Core\Html\HtmlXPath; |
| 12 | use PeServer\Core\Throws\HtmlDocumentException; |
| 13 | use PeServer\Core\Throws\Throws; |
| 14 | use ValueError; |
| 15 | |
| 16 | libxml_use_internal_errors(true); |
| 17 | |
| 18 | /** |
| 19 | * `DOMDocument` ラッパー。 |
| 20 | * |
| 21 | * JSでもそうだけどなんでDOMは地味に使い辛いんかね。 |
| 22 | */ |
| 23 | class HtmlDocument extends HtmlElementBase |
| 24 | { |
| 25 | #region variable |
| 26 | |
| 27 | /** |
| 28 | * 生で使用する用。 |
| 29 | */ |
| 30 | public readonly DOMDocument $raw; |
| 31 | |
| 32 | #endregion |
| 33 | |
| 34 | public function __construct(?string $html = null) |
| 35 | { |
| 36 | $this->raw = new DOMDocument(); |
| 37 | parent::__construct($this, $this->raw); |
| 38 | |
| 39 | if ($html !== null) { |
| 40 | $result = Throws::wrap(ValueError::class, HtmlDocumentException::class, fn () => $this->raw->loadHTML($html)); |
| 41 | if ($result == false) { |
| 42 | throw new HtmlDocumentException(); |
| 43 | } |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | #region function |
| 48 | |
| 49 | public function importNode(HtmlTagElement $node): HtmlTagElement |
| 50 | { |
| 51 | /** @var DOMElement|false */ |
| 52 | $importedNode = $this->raw->importNode($node->raw, true); |
| 53 | if ($importedNode === false) { |
| 54 | throw new HtmlDocumentException(); |
| 55 | } |
| 56 | return new HtmlTagElement($this, $importedNode); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * `DOMDocument::saveHTML` ラッパー。 |
| 61 | * @return string |
| 62 | * @throws HtmlDocumentException |
| 63 | * @see https://www.php.net/manual/domdocument.savehtml.php |
| 64 | */ |
| 65 | public function build(): string |
| 66 | { |
| 67 | $this->raw->normalize(); |
| 68 | |
| 69 | $html = $this->raw->saveHTML(); |
| 70 | if ($html === false) { |
| 71 | throw new HtmlDocumentException(); |
| 72 | } |
| 73 | |
| 74 | return $html; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * `DOMDocument::saveHTMLFile` ラッパー。 |
| 79 | * @param string $path |
| 80 | * @throws HtmlDocumentException |
| 81 | * @see https://www.php.net/manual/domdocument.savehtmlfile.php |
| 82 | */ |
| 83 | public function save(string $path): void |
| 84 | { |
| 85 | $length = $this->raw->saveHTMLFile($path); |
| 86 | if ($length === false) { |
| 87 | throw new HtmlDocumentException(); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | #endregion |
| 92 | |
| 93 | #region HtmlElementBase |
| 94 | |
| 95 | final public function path(): HtmlXPath |
| 96 | { |
| 97 | return new HtmlXPath($this->document, null); |
| 98 | } |
| 99 | |
| 100 | #endregion |
| 101 | } |