Subversion-Projekte lars-tiefland.laravel_shop

<?php declare(strict_types = 1);

namespace TheSeer\Tokenizer;

use DOMDocument;

class XMLSerializer {

    /** @var \XMLWriter */

    private $writer;

    /** @var Token */

    private $previousToken;

    /** @var NamespaceUri */

    private $xmlns;

    /**

     * XMLSerializer constructor.

     *

     * @param NamespaceUri $xmlns

     */

    public function __construct(NamespaceUri $xmlns = null) {

        if ($xmlns === null) {

            $xmlns = new NamespaceUri('https://github.com/theseer/tokenizer');

        }

        $this->xmlns = $xmlns;

    }

    public function toDom(TokenCollection $tokens): DOMDocument {

        $dom                     = new DOMDocument();

        $dom->preserveWhiteSpace = false;

        $dom->loadXML($this->toXML($tokens));

        return $dom;

    }

    public function toXML(TokenCollection $tokens): string {

        $this->writer = new \XMLWriter();

        $this->writer->openMemory();

        $this->writer->setIndent(true);

        $this->writer->startDocument();

        $this->writer->startElement('source');

        $this->writer->writeAttribute('xmlns', $this->xmlns->asString());

        if (\count($tokens) > 0) {

            $this->writer->startElement('line');

            $this->writer->writeAttribute('no', '1');

            $this->previousToken = $tokens[0];

            foreach ($tokens as $token) {

                $this->addToken($token);

            }

        }

        $this->writer->endElement();

        $this->writer->endElement();

        $this->writer->endDocument();

        return $this->writer->outputMemory();

    }

    private function addToken(Token $token): void {

        if ($this->previousToken->getLine() < $token->getLine()) {

            $this->writer->endElement();

            $this->writer->startElement('line');

            $this->writer->writeAttribute('no', (string)$token->getLine());

            $this->previousToken = $token;

        }

        if ($token->getValue() !== '') {

            $this->writer->startElement('token');

            $this->writer->writeAttribute('name', $token->getName());

            $this->writer->writeRaw(\htmlspecialchars($token->getValue(), \ENT_NOQUOTES | \ENT_DISALLOWED | \ENT_XML1));

            $this->writer->endElement();

        }

    }

}