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<?php |
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/* |
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* This file is part of Rivescript-php |
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* |
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* (c) Shea Lewis <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Axiom\Rivescript\Cortex\Commands; |
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use Axiom\Rivescript\Cortex\ResponseQueue\ResponseQueue; |
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use Axiom\Rivescript\Contracts\Command; |
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use Axiom\Rivescript\Cortex\Node; |
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/** |
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* Trigger class |
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* |
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* This class handles the Trigger command (+ ...) |
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* and stores the definition in memory. |
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* |
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* PHP version 7.4 and higher. |
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* |
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* @category Core |
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* @package Cortext\Commands |
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* @author Shea Lewis <[email protected]> |
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* @license https://opensource.org/licenses/MIT MIT |
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* @link https://github.com/axiom-labs/rivescript-php |
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* @since 0.3.0 |
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*/ |
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class Trigger implements Command |
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{ |
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/** |
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* Parse the command. |
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* |
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* @param Node $node The node is a line from the Rivescript file. |
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* |
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* @return void |
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*/ |
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public function parse(Node $node): void |
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{ |
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if ($node->command() === '+') { |
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$topic = synapse()->memory->shortTerm()->get('topic') ?: 'random'; |
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$topic = synapse()->brain->topic($topic); |
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$type = $this->determineTriggerType($node->value()); |
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$data = [ |
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'type' => $type, |
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'responses' => new ResponseQueue($node->value()), |
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]; |
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$topic->triggers->put($node->value(), $data); |
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$topic->triggers = $topic->sortTriggers($topic->triggers()); |
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synapse()->memory->shortTerm()->put('trigger', $node->value()); |
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} |
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} |
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/** |
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* Determine the type of trigger to aid in sorting. |
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* |
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* @param string $trigger The trigger to parse. |
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* |
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* @return string |
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*/ |
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protected function determineTriggerType(string $trigger): string |
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{ |
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$wildcards = [ |
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'alphabetic' => '/_/', |
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'numeric' => '/#/', |
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'global' => '/\*/', |
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]; |
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foreach ($wildcards as $type => $pattern) { |
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if (@preg_match_all($pattern, $trigger, $stars)) { |
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return $type; |
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} |
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} |
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return 'atomic'; |
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} |
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} |
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johnnymast /
rivescript-php
