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<?php |
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namespace leandrogehlen\exporter\serializers; |
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use DOMDocument; |
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use DOMElement; |
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use DOMText; |
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/** |
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* Formats the given data into XML content. |
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* |
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* @author Leandro Guindani Gehlen <[email protected]> |
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*/ |
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class XmlSerializer extends HierarchicalSerializer |
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{ |
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/** |
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* @var string the XML version |
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*/ |
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public $version = '1.0'; |
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/** |
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* @var string the XML encoding. |
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*/ |
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public $encoding = 'UTF-8'; |
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/** |
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* @var string the name of the root element. |
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*/ |
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public $rootTag = 'items'; |
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/** |
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* @var string the name of the elements that represent the array elements with numeric keys. |
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*/ |
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public $itemTag = 'item'; |
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/** |
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* @inheritdoc |
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*/ |
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public function formatData($data) |
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{ |
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$dom = new DOMDocument($this->version, $this->encoding); |
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if (count($this->exporter->sessions) === 1) { |
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$root = $dom; |
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} else { |
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$root = new DOMElement($this->rootTag); |
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$dom->appendChild($root); |
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} |
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$this->buildXml($root, $data); |
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return $dom->saveXML(); |
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} |
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/** |
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* @param \DOMNode $element |
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* @param mixed $data |
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*/ |
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protected function buildXml($element, $data) |
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{ |
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foreach ($data as $name => $value) { |
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if (is_int($name) && is_object($value)) { |
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$this->buildXml($element, $value); |
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} elseif (is_array($value)) { |
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$child = new DOMElement(is_int($name) ? $this->itemTag : $name); |
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$element->appendChild($child); |
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$this->buildXml($child, $value); |
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} else { |
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$child = new DOMElement(is_int($name) ? $this->itemTag : $name); |
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$element->appendChild($child); |
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$child->appendChild(new DOMText((string)$value)); |
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} |
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} |
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} |
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} |
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leandrogehlen /
yii2-data-exporter
