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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Phpdftk\Svg; |
| 6 | |
| 7 | /** |
| 8 | * SVG `<style>` per SVG 2 §6.4. The CSS source lives in the element's text |
| 9 | * children verbatim; `cssText()` concatenates them so callers don't have |
| 10 | * to walk the child list themselves. |
| 11 | * |
| 12 | * The parser deliberately does **not** parse the CSS. That happens in |
| 13 | * `Phpdftk\Svg\Css\CssBridge` (which depends on `phpdftk/css` — kept |
| 14 | * optional so the parser stays usable standalone). Sanitiser-style callers |
| 15 | * can read the raw text without pulling in a CSS parser. |
| 16 | */ |
| 17 | final class StyleElement extends Element |
| 18 | { |
| 19 | public function __construct() |
| 20 | { |
| 21 | parent::__construct('style'); |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * Concatenated CSS text from all `Text` child nodes. Whitespace is |
| 26 | * preserved exactly as it appeared in the source so source maps and |
| 27 | * line numbers stay correct. |
| 28 | */ |
| 29 | public function cssText(): string |
| 30 | { |
| 31 | $out = ''; |
| 32 | foreach ($this->children as $child) { |
| 33 | if ($child instanceof Text) { |
| 34 | $out .= $child->data; |
| 35 | } |
| 36 | } |
| 37 | return $out; |
| 38 | } |
| 39 | } |