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<?php |
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/** |
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* This file is part of byrokrat\autogiro. |
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* |
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* byrokrat\autogiro is free software: you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* byrokrat\autogiro is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with byrokrat\autogiro. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* Copyright 2016-18 Hannes Forsgård |
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*/ |
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declare(strict_types = 1); |
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namespace byrokrat\autogiro\Xml; |
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use byrokrat\autogiro\Tree\Node; |
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use byrokrat\autogiro\Visitor\Visitor; |
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/** |
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* Transform node tree into xml |
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*/ |
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class XmlWritingVisitor extends Visitor |
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{ |
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/** |
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* @var \XMLWriter |
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*/ |
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private $xmlWriter; |
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public function __construct(\XMLWriter $xmlWriter) |
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{ |
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$this->xmlWriter = $xmlWriter; |
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} |
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public function visitBefore(Node $node): void |
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{ |
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$this->xmlWriter->startElement($node->getType()); |
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foreach ($node->getAttributes() as $name => $value) { |
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$this->xmlWriter->writeAttribute($name, $this->castToString($value)); |
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} |
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if ($node->getValue()) { |
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$this->xmlWriter->text($node->getValue()); |
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} |
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} |
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public function visitAfter(Node $node): void |
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{ |
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$this->xmlWriter->endElement(); |
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} |
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private function castToString($value): string |
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{ |
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if ($value instanceof \DateTimeInterface) { |
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return $value->format('Y-m-d'); |
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} |
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return (string)$value; |
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} |
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} |
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byrokrat /
autogiro
