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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\Contracts\Command; |
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use Axiom\Rivescript\Cortex\Node; |
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/** |
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* Topic class |
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* |
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* This class handles the Topic 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 Topic 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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$data = explode(' ', $node->value()); |
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if (count($data) === 1) { |
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$type = "begin"; |
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$topic = "__begin__"; |
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} else { |
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[$type, $topic] = explode(' ', $node->value()); |
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} |
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if ($type === 'topic' || $type === "begin") { |
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if (!synapse()->brain->topic($topic)) { |
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synapse()->brain->createTopic($topic); |
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} |
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synapse()->memory->shortTerm()->put('topic', $topic); |
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} |
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} |
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if ($node->command() === '<' && ($node->value() === "topic" || $node->value() === "begin")) { |
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synapse()->memory->shortTerm()->remove('topic'); |
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} |
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} |
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} |
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johnnymast /
rivescript-php
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