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<?php |
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/** |
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* The brain teaches itself about rive script files. |
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* |
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* @package Rivescript-php |
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* @subpackage Core |
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* @category Cortex |
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* @author Shea Lewis <[email protected]> |
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*/ |
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namespace Axiom\Rivescript\Cortex; |
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use Axiom\Rivescript\Exceptions\ParseException; |
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use Axiom\Rivescript\Rivescript; |
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use SplFileObject; |
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/** |
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* The Brain class. |
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*/ |
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class Brain |
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{ |
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/** |
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* A collection of topics. |
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* |
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* @var array<Topic> |
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*/ |
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protected $topics; |
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/** |
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* Create a new instance of Brain. |
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*/ |
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public function __construct() |
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{ |
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$this->createTopic('random'); |
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} |
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/** |
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* Teach the brain contents of a new file source. |
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* |
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* @param string $file The Rivescript file to read. |
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* |
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* @return void |
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*/ |
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public function teach(string $file) |
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{ |
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$commands = synapse()->commands; |
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$script = new SplFileObject($file); |
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$lastNode = null; |
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$lineNumber = 0; |
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while (!$script->eof()) { |
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$line = $script->fgets(); |
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$node = new Node($line, $lineNumber++); |
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if ($node->isInterrupted() or $node->isComment()) { |
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continue; |
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} |
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$commands->each(function ($command) use ($node) { |
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$class = "\\Axiom\\Rivescript\\Cortex\\Commands\\$command"; |
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$commandClass = new $class(); |
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$commandClass->parse($node); |
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}); |
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} |
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} |
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public function readFromStream($stream) |
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{ |
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} |
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/** |
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* Return a topic. |
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* |
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* @param string|null $name The name of the topic to return. |
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* |
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* @return mixed|null |
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*/ |
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public function topic(string $name = null) |
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{ |
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if (is_null($name)) { |
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$name = synapse()->memory->shortTerm()->get('topic') ?: 'random'; |
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} |
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if (!isset($this->topics[$name])) { |
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return null; |
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} |
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return $this->topics[$name]; |
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} |
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/** |
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* Create a new Topic. |
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* |
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* @param string $name The name of the topic to create. |
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* |
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* @return Topic |
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*/ |
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public function createTopic(string $name): Topic |
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{ |
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$this->topics[$name] = new Topic($name); |
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return $this->topics[$name]; |
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} |
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} |
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