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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Setup\Module\I18n\Parser\Adapter;
/**
* Xml parser adapter
*
* Parse "translate" and 'translatable' node and collect phrases:
* - from itself, it @translate or @translatable == true
* - from given attributes, split by ",", " "
*/
class Xml extends AbstractAdapter
{
/**
* @inheritdoc
*/
protected function _parse()
{
foreach ($this->_getNodes($this->_file) as $key => $element) {
if (!$element instanceof \SimpleXMLElement) {
continue;
}
$attributes = $element->attributes();
if ((string)$attributes['translate'] === 'true' || (string)$attributes['translatable'] === 'true') {
$this->_addPhrase((string)$element);
} elseif ($key === 'title') {
$this->_addPhrase((string)$element->title);
} else {
$this->parseTranslatableNodes($attributes, $element);
}
}
}
/**
* Get nodes with translation
*
* @param string $file
* @return array
*/
protected function _getNodes($file)
{
libxml_use_internal_errors(true);
$xml = simplexml_load_file($file);
libxml_use_internal_errors(false);
if ($xml) {
$nodes = $xml->xpath('//*[@translate|@translatable]');
/* To add title of all xml files in translation csv */
if ($xml->head) {
$nodes['title'] = $xml->head;
}
unset($xml);
return is_array($nodes) ? $nodes : [];
}
return [];
}
/**
* Parse nodes pointed out in attribute "translate" and add phrases from them.
*
* @param \SimpleXMLElement $attributes
* @param \SimpleXMLElement $element
* @return void
*/
private function parseTranslatableNodes(\SimpleXMLElement $attributes, \SimpleXMLElement $element)
{
$nodesDelimiter = strpos($attributes['translate'], ' ') === false ? ',' : ' ';
foreach (explode($nodesDelimiter, $attributes['translate']) as $value) {
$phrase = trim((string)$element->{$value});
if ($phrase) {
$this->_addPhrase($phrase);
}
$elementAttributes = $element->attributes();
if (isset($elementAttributes[$value])) {
$phrase = (string)$elementAttributes[$value];
if ($phrase) {
$this->_addPhrase($phrase);
}
}
}
}
}