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<?php |
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declare(strict_types=1); |
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namespace FondBot\Conversation; |
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use InvalidArgumentException; |
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use FondBot\Conversation\Activators\Exact; |
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use FondBot\Conversation\Activators\InArray; |
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use FondBot\Conversation\Activators\Pattern; |
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use FondBot\Contracts\Conversation\Activator; |
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use FondBot\Conversation\Activators\Contains; |
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use FondBot\Conversation\Activators\WithPayload; |
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use FondBot\Conversation\Activators\WithAttachment; |
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class ActivatorParser |
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{ |
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private $data; |
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private $result = []; |
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private $activators = [ |
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'contains' => Contains::class, |
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'exact' => Exact::class, |
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'in_array' => InArray::class, |
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'pattern' => Pattern::class, |
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'with_attachment' => WithAttachment::class, |
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'with_payload' => WithPayload::class, |
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]; |
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public function __construct(array $data) |
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{ |
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$this->data = $data; |
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$this->parse(); |
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} |
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protected function parse(): void |
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{ |
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foreach ($this->data as $key => $activator) { |
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if ($activator instanceof Activator) { |
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$this->result[] = $activator; |
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continue; |
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} |
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[$activator, $parameters] = explode(':', $activator, 2); |
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if (isset($this->activators[$activator])) { |
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$this->result[] = new $this->activators[$activator]($parameters); |
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continue; |
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} |
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throw new InvalidArgumentException('Activator `'.$activator.'` does not exist.'); |
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} |
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} |
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/** |
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* @return Activator[] |
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*/ |
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public function getResult(): array |
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{ |
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return $this->result; |
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} |
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} |
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Let’s assume that you have a directory layout like this:
and let’s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: