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<?php |
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namespace Thunder\Shortcode\Serializer; |
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use Thunder\Shortcode\Parser\RegexParser; |
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use Thunder\Shortcode\Shortcode\Shortcode; |
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use Thunder\Shortcode\Shortcode\ShortcodeInterface; |
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use Thunder\Shortcode\Syntax\Syntax; |
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use Thunder\Shortcode\Syntax\SyntaxInterface; |
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/** |
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* @author Tomasz Kowalczyk <[email protected]> |
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*/ |
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final class TextSerializer implements SerializerInterface |
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{ |
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/** @var SyntaxInterface */ |
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private $syntax; |
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public function __construct(SyntaxInterface $syntax = null) |
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{ |
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$this->syntax = $syntax ?: new Syntax(); |
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} |
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/** @inheritDoc */ |
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public function serialize(ShortcodeInterface $shortcode) |
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{ |
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$open = $this->syntax->getOpeningTag(); |
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$close = $this->syntax->getClosingTag(); |
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$marker = $this->syntax->getClosingTagMarker(); |
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$parameters = $this->serializeParameters($shortcode->getParameters()); |
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$bbCode = null !== $shortcode->getBbCode() |
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? $this->serializeValue($shortcode->getBbCode()) |
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: ''; |
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$return = $open.$shortcode->getName().$bbCode.$parameters; |
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return null === $shortcode->getContent() |
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? $return.' '.$marker.$close |
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: $return.$close.(string)$shortcode->getContent().$open.$marker.$shortcode->getName().$close; |
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} |
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/** |
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* @psalm-param array<string,string|null> $parameters |
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* |
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* @return string |
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*/ |
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private function serializeParameters(array $parameters) |
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{ |
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// unfortunately array_reduce() does not support keys |
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$return = ''; |
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foreach ($parameters as $key => $value) { |
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$return .= ' '.$key.$this->serializeValue($value); |
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} |
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return $return; |
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} |
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/** |
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* @param string|null $value |
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* |
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* @return string |
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*/ |
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private function serializeValue($value) |
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{ |
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if (null === $value) { |
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return ''; |
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} |
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$delimiter = $this->syntax->getParameterValueDelimiter(); |
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$separator = $this->syntax->getParameterValueSeparator(); |
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return $separator.(preg_match('/^\w+$/u', $value) |
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? $value |
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: $delimiter.$value.$delimiter); |
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} |
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public function unserialize($text) |
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{ |
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$parser = new RegexParser(); |
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$shortcodes = $parser->parse($text); |
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if (empty($shortcodes)) { |
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$msg = 'Failed to unserialize shortcode from text %s!'; |
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throw new \InvalidArgumentException(sprintf($msg, $text)); |
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} |
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if (count($shortcodes) > 1) { |
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$msg = 'Provided text %s contains more than one shortcode!'; |
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throw new \InvalidArgumentException(sprintf($msg, $text)); |
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} |
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/** @var ShortcodeInterface $parsed */ |
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$parsed = array_shift($shortcodes); |
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$name = $parsed->getName(); |
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$parameters = $parsed->getParameters(); |
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$content = $parsed->getContent(); |
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$bbCode = $parsed->getBbCode(); |
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return new Shortcode($name, $parameters, $content, $bbCode); |
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} |
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} |
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thunderer /
Shortcode
