tts_framework/src/classes/extras/bb_code_parser.php

<?php

declare(strict_types=1);

/**
 * @link https://github.com/genert/bbcode/blob/master/src/Parser/BBCodeParser.php
 * @license The MIT License (MIT)
 * @copyright (c) Genert 2017 - present.
 * 
 * Take BB code 2 HTML, to display output
 */

namespace tts\extras;

final class bb_code_parser {
    protected $parsers = [
        'h1' => [
            'pattern' => '/\[h1\](.*?)\[\/h1\]/s',
            'replace' => '<h1>$1</h1>',
            'content' => '$1'
        ],
        'h2' => [
            'pattern' => '/\[h2\](.*?)\[\/h2\]/s',
            'replace' => '<h2>$1</h2>',
            'content' => '$1'
        ],
        'h3' => [
            'pattern' => '/\[h3\](.*?)\[\/h3\]/s',
            'replace' => '<h3>$1</h3>',
            'content' => '$1'
        ],
        'h4' => [
            'pattern' => '/\[h4\](.*?)\[\/h4\]/s',
            'replace' => '<h4>$1</h4>',
            'content' => '$1'
        ],
        'h5' => [
            'pattern' => '/\[h5\](.*?)\[\/h5\]/s',
            'replace' => '<h5>$1</h5>',
            'content' => '$1'
        ],
        'h6' => [
            'pattern' => '/\[h6\](.*?)\[\/h6\]/s',
            'replace' => '<h6>$1</h6>',
            'content' => '$1'
        ],
        'bold' => [
            'pattern' => '/\[b\](.*?)\[\/b\]/s',
            'replace' => '<b>$1</b>',
            'content' => '$1'
        ],
        'italic' => [
            'pattern' => '/\[i\](.*?)\[\/i\]/s',
            'replace' => '<i>$1</i>',
            'content' => '$1'
        ],
        'underline' => [
            'pattern' => '/\[u\](.*?)\[\/u\]/s',
            'replace' => '<u>$1</u>',
            'content' => '$1'
        ],
        'strikethrough' => [
            'pattern' => '/\[s\](.*?)\[\/s\]/s',
            'replace' => '<s>$1</s>',
            'content' => '$1'
        ],
        'quote' => [
            'pattern' => '/\[quote\](.*?)\[\/quote\]/s',
            'replace' => '<blockquote>$1</blockquote>',
            'content' => '$1'
        ],
        'link' => [
            'pattern' => '/\[url\](.*?)\[\/url\]/s',
            'replace' => '<a href="$1">$1</a>',
            'content' => '$1'
        ],
        'namedlink' => [
            'pattern' => '/\[url\=(.*?)\](.*?)\[\/url\]/s',
            'replace' => '<a href="$1">$2</a>',
            'content' => '$2'
        ],
        'image' => [
            'pattern' => '/\[img\](.*?)\[\/img\]/s',
            'replace' => '<img src="$1">',
            'content' => '$1'
        ],
        'orderedlistnumerical' => [
            'pattern' => '/\[list=1\](.*?)\[\/list\]/s',
            'replace' => '<ol>$1</ol>',
            'content' => '$1'
        ],
        'orderedlistalpha' => [
            'pattern' => '/\[list=a\](.*?)\[\/list\]/s',
            'replace' => '<ol type="a">$1</ol>',
            'content' => '$1'
        ],
        'unorderedlist' => [
            'pattern' => '/\[list\](.*?)\[\/list\]/s',
            'replace' => '<ul>$1</ul>',
            'content' => '$1'
        ],
        'listitem' => [
            'pattern' => '/\[\*\](.*)/',
            'replace' => '<li>$1</li>',
            'content' => '$1'
        ],
        'code' => [
            'pattern' => '/\[code\](.*?)\[\/code\]/s',
            'replace' => '<code>$1</code>',
            'content' => '$1'
        ],
        'youtube' => [
            'pattern' => '/\[youtube\](.*?)\[\/youtube\]/s',
            'replace' => '<iframe width="560" height="315" src="//www.youtube-nocookie.com/embed/$1" frameborder="0" allowfullscreen></iframe>',
            'content' => '$1'
        ],
        'sub' => [
            'pattern' => '/\[sub\](.*?)\[\/sub\]/s',
            'replace' => '<sub>$1</sub>',
            'content' => '$1'
        ],
        'sup' => [
            'pattern' => '/\[sup\](.*?)\[\/sup\]/s',
            'replace' => '<sup>$1</sup>',
            'content' => '$1'
        ],
        'small' => [
            'pattern' => '/\[small\](.*?)\[\/small\]/s',
            'replace' => '<small>$1</small>',
            'content' => '$1'
        ],
        'table' => [
            'pattern' => '/\[table\](.*?)\[\/table\]/s',
            'replace' => '<table>$1</table>',
            'content' => '$1',
        ],
        'table-row' => [
            'pattern' => '/\[tr\](.*?)\[\/tr\]/s',
            'replace' => '<tr>$1</tr>',
            'content' => '$1',
        ],
        'table-data' => [
            'pattern' => '/\[td\](.*?)\[\/td\]/s',
            'replace' => '<td>$1</td>',
            'content' => '$1',
        ],
    ];
    
    private function searchAndReplace(string $pattern, string $replace, string $source): string {
        while (preg_match($pattern, $source)) {
            $source = preg_replace($pattern, $replace, $source);
        }

        return $source;
    }

    public function stripTags(string $source): string {
        foreach ($this->parsers as $name => $parser) {
            $source = $this->searchAndReplace($parser['pattern'] . 'i', $parser['content'], $source);
        }

        return $source;
    }

    public function parse(string $source, $caseInsensitive = null): string {
        $caseInsensitive = $caseInsensitive === self::CASE_INSENSITIVE ? true : false;

        foreach ($this->parsers as $name => $parser) {
            $pattern = ($caseInsensitive) ? $parser['pattern'] . 'i' : $parser['pattern'];

            $source = $this->searchAndReplace($pattern, $parser['replace'], $source);
        }

        return $source;
    }
}