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<?php |
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namespace Leonidas\Library\Core\View\Twig; |
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use RuntimeException; |
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use Throwable; |
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use Twig\Extension\ExtensionInterface; |
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use Twig\TwigFilter; |
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use Twig\TwigFunction; |
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use Twig\TwigTest; |
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class ConfiguredExtension implements ExtensionInterface |
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{ |
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protected array $config; |
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public function __construct(array $config) |
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{ |
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$this->config = $config; |
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} |
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public function getTokenParsers(): array |
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{ |
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return array_map( |
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fn ($parser) => new $parser(), |
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$this->get('token_parsers') |
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); |
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} |
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public function getNodeVisitors(): array |
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{ |
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return array_map( |
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fn ($visitor) => new $visitor(), |
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$this->get('node_visitors') |
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); |
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} |
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/** |
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* @link https://twig.symfony.com/doc/3.x/advanced.html#filters |
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*/ |
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public function getFilters(): array |
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{ |
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$filters = []; |
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foreach ($this->get('filters') as $filter => $callable) { |
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$this->resolveCallableArgs($filter, $callable, $options); |
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$filters[] = new TwigFilter($filter, $callable, $options); |
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} |
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return $filters; |
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} |
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public function getTests(): array |
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{ |
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$tests = []; |
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foreach ($this->get('tests') as $test => $callable) { |
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$this->resolveCallableArgs($test, $callable, $options); |
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$tests[] = new TwigTest($test, $callable, $options); |
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} |
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return $tests; |
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} |
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/** |
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* @link https://twig.symfony.com/doc/3.x/advanced.html#functions |
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*/ |
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public function getFunctions(): array |
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{ |
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$functions = []; |
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foreach ($this->get('functions') as $function => $callable) { |
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$this->resolveCallableArgs($function, $callable, $options); |
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$functions[] = new TwigFunction($function, $callable, $options); |
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} |
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return $functions; |
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} |
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public function getOperators() |
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{ |
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$operators = $this->get('operators'); |
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return [$operators['unary'] ?? [], $operators['binary'] ?? []]; |
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} |
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protected function get(string $key): array |
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{ |
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return $this->config[$key] ?? []; |
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} |
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/** |
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* Converts arguments into values suitable for construction of |
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* Twig\TwigFunction and Twig\TwigFilter objects. |
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* |
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* @param int|string $name Must be derived from the definition key/index. If |
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* int and $argument is resolved as string, it will inherit that value. |
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* |
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* @param callable|array $callable May either be the callable to use or an |
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* array containing 'function' and/or 'options' keys. If the latter, will be |
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* resolved to callable|null via 'function' entry. |
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* |
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* @param mixed $options Should be null variable on entry. Value will be |
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* resolved from $argument['options'] or as an empty array if $argument is |
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* of type callable. |
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*/ |
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protected function resolveCallableArgs(&$name, &$callable, &$options): void |
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{ |
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$options = []; |
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if (is_array($callable) && !is_callable($callable)) { |
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try { |
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$options = $callable['options']; |
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$callable = $callable['function']; |
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} catch (Throwable $e) { |
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if (str_contains($e->getMessage(), 'options')) { |
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$m = "Definition for entry {$name} either missing \"options\" key or invalid callable was provided."; |
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throw new RuntimeException($m, 0, $e); |
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} |
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throw $e; |
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} |
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} elseif (is_int($name) && is_string($callable)) { |
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$name = $callable; |
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} |
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} |
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} |
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spider-mane /
leonidas
