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<?php |
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declare(strict_types=1); |
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namespace EngineWorks\Templates; |
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use Countable; |
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class Callables implements Countable |
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{ |
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/** |
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* @var array<string, callable> |
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*/ |
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private $map = []; |
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/** |
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* Add a function callable to the collection |
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*/ |
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public function add(string $name, callable $callable): void |
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{ |
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$this->map[$name] = $callable; |
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} |
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/** |
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* Return a callable based on the string name |
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* If the name is not registered then return NULL |
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*/ |
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public function get(string $name): ?callable |
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{ |
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return $this->map[$name] ?? null; |
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} |
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/** |
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* Return TRUE if the name is registered |
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*/ |
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public function exists(string $name): bool |
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{ |
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return isset($this->map[$name]); |
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} |
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/** |
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* Remove a registered name from the collection |
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*/ |
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public function remove(string $name): void |
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{ |
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unset($this->map[$name]); |
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} |
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/** |
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* Call a function by name |
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* |
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* @param array<mixed> $arguments |
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*/ |
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public function call(string $name, array $arguments): string |
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{ |
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/** @var callable():string|null $callable */ |
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$callable = $this->get($name); |
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if (null === $callable) { |
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return ''; |
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} |
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$return = call_user_func_array($callable, $arguments); |
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if (is_object($return) && is_callable([$return, '__toString'])) { |
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$return = (string) $return; |
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} elseif (is_scalar($return)) { |
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$return = (string) $return; |
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} |
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return is_string($return) ? $return : ''; |
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} |
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/** |
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* Return the names of the registered functions |
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* |
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* @return string[] |
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*/ |
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public function names(): array |
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{ |
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return array_keys($this->map); |
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} |
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/** |
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* Attach an array of plugins. Is a shortcut to call several times to attatch method |
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* If an element of the array is not a plugin then the element is discarded without notice |
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* |
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* @param Plugin[] $plugins |
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*/ |
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public function attachAll(array $plugins): void |
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{ |
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$this->attach(...$plugins); |
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} |
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/** |
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* Attach all the functions offered by the plugin |
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* |
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* @param Plugin ...$plugins |
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*/ |
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public function attach(Plugin ...$plugins): void |
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{ |
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foreach ($plugins as $plugin) { |
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$this->attachPlugin($plugin); |
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} |
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} |
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/** |
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* Attach all the functions offered by the plugin |
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* |
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* @param Plugin $plugin |
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*/ |
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public function attachPlugin(Plugin $plugin): void |
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{ |
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foreach ($plugin->getCallablesTable() as $name => $methodName) { |
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/** @var callable():string $callable */ |
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$callable = [$plugin, $methodName]; |
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$this->add($name, $callable); |
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} |
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} |
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/** |
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* Detatch all the functions offered by the plugins |
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*/ |
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public function detach(Plugin ...$plugins): void |
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{ |
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foreach ($plugins as $plugin) { |
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$this->detachPlugin($plugin); |
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} |
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} |
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/** |
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* Detatch all the functions offered by the plugin |
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* |
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* @param Plugin $plugin |
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*/ |
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public function detachPlugin(Plugin $plugin): void |
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{ |
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foreach ($plugin->getCallablesTable() as $name => $_) { |
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$this->remove($name); |
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} |
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} |
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3 |
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public function count(): int |
|
143
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{ |
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3 |
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return count($this->map); |
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} |
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} |
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eclipxe13 /
engineworks-templates
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