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<?php |
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declare(strict_types=1); |
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/** |
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* BEdita, API-first content management framework |
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* Copyright 2024 Atlas Srl, Chialab Srl |
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* |
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* This file is part of BEdita: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser 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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* See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details. |
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*/ |
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namespace BEdita\ImportTools\Utility; |
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use Cake\Core\InstanceConfigTrait; |
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use XMLReader; |
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/** |
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* Trait for share Xml stuff. |
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* |
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* This provides `readXml` method to progressively read a xml file element by element. |
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* |
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* Usage example: |
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* ```php |
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* use BEdita\ImportTools\Utility\XmlTrait; |
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* |
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* class MyImporter |
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* { |
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* use XmlTrait; |
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* |
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* public function import(string $filename): void |
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* { |
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* foreach ($this->readXml($filename, 'post') as $obj) { |
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* // process $obj |
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* } |
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* } |
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* } |
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* ``` |
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*/ |
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trait XmlTrait |
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{ |
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use InstanceConfigTrait; |
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use FileTrait; |
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/** |
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* Progressively read a Xml file |
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* |
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* @param string $path Path to Xml file |
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* @param string $element Element name for XML files |
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* @return \Generator<array<array-key, string>> |
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*/ |
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protected function readXml(string $path, string $element): \Generator |
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{ |
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try { |
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$reader = new XMLReader(); |
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$reader->open($path); |
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$process = true; |
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while ($process) { |
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while (!($reader->nodeType == XMLReader::ELEMENT && $reader->name == $element)) { |
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if (!$reader->read()) { |
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$process = false; |
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break; |
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} |
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} |
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if ($reader->nodeType == XMLReader::ELEMENT && $reader->name == $element) { |
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$xml = simplexml_load_string($reader->readOuterXml(), null, LIBXML_NOCDATA); |
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$json = json_encode($xml); |
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yield json_decode($json, true); |
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$reader->next(); |
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} |
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} |
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} catch (\Exception $e) { |
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throw new \RuntimeException(sprintf('Cannot open file: %s', $path), 0, $e); |
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} |
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} |
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} |
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bedita /
import-tools
