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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celemas\Boiler; |
| 6 | |
| 7 | use Celemas\Boiler\Exception\LookupException; |
| 8 | use Celemas\Boiler\Exception\UnexpectedValueException; |
| 9 | |
| 10 | /** |
| 11 | * @api |
| 12 | * @psalm-type DirsInput = non-empty-string|list<non-empty-string>|array<non-empty-string, non-empty-string> |
| 13 | */ |
| 14 | final class Engine |
| 15 | { |
| 16 | private readonly Contract\Environment $environment; |
| 17 | private readonly Contract\Resolver $resolver; |
| 18 | private Methods $methods; |
| 19 | private ?Contract\Wrapper $wrapper = null; |
| 20 | |
| 21 | /** @param list<class-string> $trusted */ |
| 22 | public function __construct( |
| 23 | Contract\Resolver $resolver, |
| 24 | Contract\Environment $environment, |
| 25 | public readonly bool $autoescape, |
| 26 | private readonly array $defaults = [], |
| 27 | private readonly array $trusted = [], |
| 28 | ) { |
| 29 | $this->resolver = $resolver; |
| 30 | $this->environment = $environment; |
| 31 | $this->methods = new Methods(); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * @psalm-param DirsInput $dirs |
| 36 | * @param list<class-string> $trusted |
| 37 | */ |
| 38 | public static function create( |
| 39 | array|string $dirs, |
| 40 | array $defaults = [], |
| 41 | array $trusted = [], |
| 42 | ): self { |
| 43 | return new self(new Resolver($dirs), new Environment(), true, $defaults, $trusted); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @psalm-param DirsInput $dirs |
| 48 | * @param list<class-string> $trusted |
| 49 | */ |
| 50 | public static function unescaped( |
| 51 | array|string $dirs, |
| 52 | array $defaults = [], |
| 53 | array $trusted = [], |
| 54 | ): self { |
| 55 | return new self(new Resolver($dirs), new Environment(), false, $defaults, $trusted); |
| 56 | } |
| 57 | |
| 58 | /** @param non-empty-string $name */ |
| 59 | public function method(string $name, callable $callable, bool $safe = false): static |
| 60 | { |
| 61 | $this->methods->add($name, $callable, $safe); |
| 62 | |
| 63 | return $this; |
| 64 | } |
| 65 | |
| 66 | public function wrapper(): Contract\Wrapper |
| 67 | { |
| 68 | return $this->wrapper ??= $this->environment->wrapper(); |
| 69 | } |
| 70 | |
| 71 | public function escape(string $name, Contract\Escaper $with): static |
| 72 | { |
| 73 | $this->environment->registerEscaper($name, $with); |
| 74 | |
| 75 | return $this; |
| 76 | } |
| 77 | |
| 78 | public function filter(string $name, Contract\Filter $with): static |
| 79 | { |
| 80 | $this->environment->registerFilter($name, $with); |
| 81 | |
| 82 | return $this; |
| 83 | } |
| 84 | |
| 85 | /** @param non-empty-string $path */ |
| 86 | public function template(string $path): Template |
| 87 | { |
| 88 | $file = $this->resolve($path); |
| 89 | $template = new Template($file, engine: $this); |
| 90 | $template->setMethods($this->methods); |
| 91 | |
| 92 | return $template; |
| 93 | } |
| 94 | |
| 95 | /** @param non-empty-string $path */ |
| 96 | public function render( |
| 97 | string $path, |
| 98 | array $context = [], |
| 99 | ): string { |
| 100 | return $this->renderTemplate($path, $context, $this->autoescape); |
| 101 | } |
| 102 | |
| 103 | /** @param non-empty-string $path */ |
| 104 | public function renderEscaped( |
| 105 | string $path, |
| 106 | array $context = [], |
| 107 | ): string { |
| 108 | return $this->renderTemplate($path, $context, true); |
| 109 | } |
| 110 | |
| 111 | /** @param non-empty-string $path */ |
| 112 | public function renderUnescaped( |
| 113 | string $path, |
| 114 | array $context = [], |
| 115 | ): string { |
| 116 | return $this->renderTemplate($path, $context, false); |
| 117 | } |
| 118 | |
| 119 | /** @param non-empty-string $path */ |
| 120 | private function renderTemplate( |
| 121 | string $path, |
| 122 | array $context, |
| 123 | bool $autoescape, |
| 124 | ): string { |
| 125 | $template = $this->template($path); |
| 126 | $context = $this->defaults === [] |
| 127 | ? $context |
| 128 | : array_merge($this->defaults, $context); |
| 129 | |
| 130 | return $autoescape |
| 131 | ? $template->renderEscaped($context, $this->trusted) |
| 132 | : $template->renderUnescaped($context, $this->trusted); |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * @param non-empty-string $path |
| 137 | * |
| 138 | * @return non-empty-string |
| 139 | */ |
| 140 | public function resolve(string $path): string |
| 141 | { |
| 142 | return $this->resolver->resolve($path); |
| 143 | } |
| 144 | |
| 145 | /** @param non-empty-string $path */ |
| 146 | public function exists(string $path): bool |
| 147 | { |
| 148 | try { |
| 149 | $this->resolve($path); |
| 150 | |
| 151 | return true; |
| 152 | } catch (LookupException|UnexpectedValueException) { |
| 153 | return false; |
| 154 | } |
| 155 | } |
| 156 | } |