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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celemas\Boiler\Proxy; |
| 6 | |
| 7 | use Celemas\Boiler\Contract\PreservesSafety; |
| 8 | use Celemas\Boiler\Contract\Wrapper; |
| 9 | use Override; |
| 10 | |
| 11 | /** |
| 12 | * @api |
| 13 | * |
| 14 | * @implements Proxy<string> |
| 15 | */ |
| 16 | final class StringProxy implements Proxy |
| 17 | { |
| 18 | private ?string $escaped = null; |
| 19 | private bool $safe = false; |
| 20 | |
| 21 | public function __construct( |
| 22 | private readonly string $value, |
| 23 | private readonly Wrapper $wrapper, |
| 24 | ) {} |
| 25 | |
| 26 | public static function safe(string $value, Wrapper $wrapper): self |
| 27 | { |
| 28 | $proxy = new self($value, $wrapper); |
| 29 | $proxy->safe = true; |
| 30 | |
| 31 | return $proxy; |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Dispatch filters as virtual methods: $title->sanitize(), $title->stripTags('<b>'), etc. |
| 36 | * |
| 37 | * @param array<array-key, mixed> $args |
| 38 | */ |
| 39 | public function __call(string $name, array $args): self |
| 40 | { |
| 41 | $filter = $this->wrapper->filter($name); |
| 42 | $filtered = $filter->apply($this->value, ...$args); |
| 43 | $proxy = new self($filtered, $this->wrapper); |
| 44 | $proxy->safe = $filter->safe() || $this->safe && $filter instanceof PreservesSafety; |
| 45 | |
| 46 | return $proxy; |
| 47 | } |
| 48 | |
| 49 | public function __toString(): string |
| 50 | { |
| 51 | if ($this->safe) { |
| 52 | return $this->value; |
| 53 | } |
| 54 | |
| 55 | return $this->escaped ??= $this->wrapper->escape($this->value); |
| 56 | } |
| 57 | |
| 58 | public function escape(?string $escaper = null): string |
| 59 | { |
| 60 | return $this->wrapper->escape($this->value, $escaper); |
| 61 | } |
| 62 | |
| 63 | #[Override] |
| 64 | public function unwrap(): string |
| 65 | { |
| 66 | return $this->value; |
| 67 | } |
| 68 | } |