byrokrat\autogiro\Xml\XmlWritingVisitor

Complexity

Total Complexity

5

Size/Duplication

Total Lines	34
Duplicated Lines	0 %

Importance

Changes	4
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	visitAfter()	0	3	1
A	__construct()	0	4	1
A	visitBefore()	0	10	3

<?php

/**
 * This file is part of byrokrat\autogiro.
 *
 * byrokrat\autogiro is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * byrokrat\autogiro is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with byrokrat\autogiro. If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2016-21 Hannes Forsgård
 */

declare(strict_types=1);

namespace byrokrat\autogiro\Xml;

use byrokrat\autogiro\Tree\Node;
use byrokrat\autogiro\Visitor\VisitorInterface;

/**
 * Transform node tree into xml
 */
final class XmlWritingVisitor implements VisitorInterface
{
    /**
     * @var \XMLWriter
     */
    private $xmlWriter;

    /**
     * @var Stringifier
     */
    private $stringifier;

    public function __construct(\XMLWriter $xmlWriter, Stringifier $stringifier)
    {
        $this->xmlWriter = $xmlWriter;
        $this->stringifier = $stringifier;
    }

    public function visitBefore(Node $node): void
    {
        $this->xmlWriter->startElement($node->getName());

        if ($node->getName() != $node->getType()) {
            $this->xmlWriter->writeAttribute('type', $node->getType());
        }

        if ($node->getValue()) {
            $this->xmlWriter->text($this->stringifier->stringify($node->getValue()));
        }
    }

    public function visitAfter(Node $node): void
    {
        $this->xmlWriter->endElement();
    }
}