74 lines
2.0 KiB
PHP
74 lines
2.0 KiB
PHP
<?php
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namespace App\Actions;
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use s9e\TextFormatter\Configurator;
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use s9e\TextFormatter\Parser;
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use s9e\TextFormatter\Renderer;
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class BbcodeFormatter
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{
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private static ?Parser $parser = null;
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private static ?Renderer $renderer = null;
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public static function format(?string $text): string
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{
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if ($text === null || $text === '') {
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return '';
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}
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if (!self::$parser || !self::$renderer) {
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[$parser, $renderer] = self::build();
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self::$parser = $parser;
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self::$renderer = $renderer;
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}
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$xml = self::$parser->parse($text);
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return self::$renderer->render($xml);
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}
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private static function build(): array
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{
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if (app()->environment('testing') && env('BBCODE_FORCE_FAIL')) {
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throw new \RuntimeException('Unable to initialize BBCode formatter.');
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}
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$configurator = new Configurator();
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$bbcodes = $configurator->plugins->load('BBCodes');
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$bbcodes->addFromRepository('B');
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$bbcodes->addFromRepository('I');
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$bbcodes->addFromRepository('U');
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$bbcodes->addFromRepository('S');
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$bbcodes->addFromRepository('URL');
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$bbcodes->addFromRepository('IMG');
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$bbcodes->addFromRepository('QUOTE');
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$bbcodes->addFromRepository('CODE');
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$bbcodes->addFromRepository('LIST');
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$bbcodes->addFromRepository('*');
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$configurator->tags->add('BR')->template = '<br/>';
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if (isset($configurator->tags['QUOTE'])) {
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$configurator->tags['QUOTE']->template = <<<'XSL'
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<blockquote>
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<xsl:if test="@author">
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<cite><xsl:value-of select="@author"/> wrote:</cite>
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</xsl:if>
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<div><xsl:apply-templates/></div>
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</blockquote>
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XSL;
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}
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$bundle = $configurator->finalize();
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$parser = $bundle['parser'] ?? null;
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$renderer = $bundle['renderer'] ?? null;
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if (!$parser || !$renderer) {
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throw new \RuntimeException('Unable to initialize BBCode formatter.');
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}
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return [$parser, $renderer];
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}
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}
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