80 lines
2.2 KiB
PHP
80 lines
2.2 KiB
PHP
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<?php declare(strict_types = 1);
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namespace TheSeer\Tokenizer;
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use DOMDocument;
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class XMLSerializer {
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/** @var \XMLWriter */
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private $writer;
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/** @var Token */
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private $previousToken;
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/** @var NamespaceUri */
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private $xmlns;
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/**
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* XMLSerializer constructor.
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*
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* @param NamespaceUri $xmlns
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*/
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public function __construct(NamespaceUri $xmlns = null) {
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if ($xmlns === null) {
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$xmlns = new NamespaceUri('https://github.com/theseer/tokenizer');
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}
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$this->xmlns = $xmlns;
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}
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public function toDom(TokenCollection $tokens): DOMDocument {
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$dom = new DOMDocument();
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$dom->preserveWhiteSpace = false;
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$dom->loadXML($this->toXML($tokens));
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return $dom;
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}
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public function toXML(TokenCollection $tokens): string {
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$this->writer = new \XMLWriter();
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$this->writer->openMemory();
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$this->writer->setIndent(true);
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$this->writer->startDocument();
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$this->writer->startElement('source');
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$this->writer->writeAttribute('xmlns', $this->xmlns->asString());
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if (\count($tokens) > 0) {
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$this->writer->startElement('line');
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$this->writer->writeAttribute('no', '1');
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$this->previousToken = $tokens[0];
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foreach ($tokens as $token) {
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$this->addToken($token);
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}
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}
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$this->writer->endElement();
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$this->writer->endElement();
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$this->writer->endDocument();
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return $this->writer->outputMemory();
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}
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private function addToken(Token $token): void {
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if ($this->previousToken->getLine() < $token->getLine()) {
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$this->writer->endElement();
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$this->writer->startElement('line');
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$this->writer->writeAttribute('no', (string)$token->getLine());
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$this->previousToken = $token;
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}
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if ($token->getValue() !== '') {
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$this->writer->startElement('token');
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$this->writer->writeAttribute('name', $token->getName());
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$this->writer->writeRaw(\htmlspecialchars($token->getValue(), \ENT_NOQUOTES | \ENT_DISALLOWED | \ENT_XML1));
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$this->writer->endElement();
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}
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}
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}
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