woocommerce-pos
/
vendor_prefixed
/
sabberworm
/
php-css-parser
/
src
/
Property
/
KeyframeSelector.php
KeyframeSelector.php in WCPOS – Point of Sale (POS) plugin for WooCommerce 1.10.19, at vendor_prefixed/sabberworm/php-css-parser/src/Property/KeyframeSelector.php
| 1 | <?php |
| 2 | |
| 3 | declare (strict_types=1); |
| 4 | namespace WCPOS\Vendor\Sabberworm\CSS\Property; |
| 5 | |
| 6 | class KeyframeSelector extends Selector |
| 7 | { |
| 8 | /** |
| 9 | * This differs from the parent class: |
| 10 | * - comma is not allowed unless escaped or quoted; |
| 11 | * - percentage value is allowed by itself. |
| 12 | * |
| 13 | * @internal since 8.5.2 |
| 14 | */ |
| 15 | public const SELECTOR_VALIDATION_RX = '/ |
| 16 | ^( |
| 17 | (?: |
| 18 | # any sequence of valid unescaped characters, except quotes |
| 19 | [a-zA-Z0-9\\x{00A0}-\\x{FFFF}_^$|*=~\\[\\]()\\-\\s\\.:#+>]++ |
| 20 | | |
| 21 | # one or more escaped characters |
| 22 | (?:\\\\.)++ |
| 23 | | |
| 24 | # quoted text, like in `[id="example"]` |
| 25 | (?: |
| 26 | # opening quote |
| 27 | ([\'"]) |
| 28 | (?: |
| 29 | # sequence of characters except closing quote or backslash |
| 30 | (?:(?!\\g{-1}|\\\\).)++ |
| 31 | | |
| 32 | # one or more escaped characters |
| 33 | (?:\\\\.)++ |
| 34 | )*+ # zero or more times |
| 35 | # closing quote or end (unmatched quote is currently allowed) |
| 36 | (?:\\g{-1}|$) |
| 37 | ) |
| 38 | )*+ # zero or more times |
| 39 | | |
| 40 | # keyframe animation progress percentage (e.g. 50%), untrimmed |
| 41 | \\s*+(\\d++%)\\s*+ |
| 42 | )$ |
| 43 | /ux'; |
| 44 | } |
| 45 |