45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
<?php
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namespace Misuzu\Parsers;
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use InvalidArgumentException;
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use Misuzu\Parsers\BBCode\BBCodeParser;
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final class Parser {
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public const PLAIN = 0;
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public const BBCODE = 1;
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public const MARKDOWN = 2;
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private const PARSERS = [
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self::PLAIN => PlainParser::class,
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self::BBCODE => BBCodeParser::class,
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self::MARKDOWN => MarkdownParser::class,
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];
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public const NAMES = [
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self::PLAIN => 'Plain text',
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self::BBCODE => 'BB Code',
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self::MARKDOWN => 'Markdown',
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];
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private static $instances = [];
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public static function isValid(int $parser): bool {
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return array_key_exists($parser, self::PARSERS);
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}
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public static function name(int $parser): string {
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return self::isValid($parser) ? self::NAMES[$parser] : '';
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}
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public static function instance(int $parser): ParserInterface {
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if(!self::isValid($parser))
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throw new InvalidArgumentException('Invalid parser.');
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if(!isset(self::$instances[$parser])) {
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$className = self::PARSERS[$parser];
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self::$instances[$parser] = new $className;
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}
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return self::$instances[$parser];
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}
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}
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