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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Util\Xml;
use function chdir;
use function dirname;
use function error_reporting;
use function file_get_contents;
use function getcwd;
use function libxml_get_errors;
use function libxml_use_internal_errors;
use function sprintf;
use DOMDocument;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class Loader
{
/**
* @throws XmlException
*/
public function loadFile(string $filename): DOMDocument
{
$reporting = error_reporting(0);
$contents = file_get_contents($filename);
error_reporting($reporting);
if ($contents === false) {
throw new XmlException(
sprintf(
'Could not read XML from file "%s"',
$filename,
),
);
}
return $this->load($contents, $filename);
}
/**
* @throws XmlException
*/
public function load(string $actual, ?string $filename = null): DOMDocument
{
if ($actual === '') {
if ($filename === null) {
throw new XmlException('Could not parse XML from empty string');
}
throw new XmlException(
sprintf(
'Could not parse XML from empty file "%s"',
$filename,
),
);
}
$document = new DOMDocument;
$document->preserveWhiteSpace = false;
$internal = libxml_use_internal_errors(true);
$message = '';
$reporting = error_reporting(0);
// Required for XInclude
if ($filename !== null) {
// Required for XInclude on Windows
if (PHP_OS_FAMILY === 'Windows') {
$cwd = getcwd();
@chdir(dirname($filename));
}
$document->documentURI = $filename;
}
$loaded = $document->loadXML($actual);
if ($filename !== null) {
$document->xinclude();
}
foreach (libxml_get_errors() as $error) {
$message .= "\n" . $error->message;
}
libxml_use_internal_errors($internal);
error_reporting($reporting);
if (isset($cwd)) {
@chdir($cwd);
}
if ($loaded === false || $message !== '') {
if ($filename !== null) {
throw new XmlException(
sprintf(
'Could not load "%s"%s',
$filename,
$message !== '' ? ":\n" . $message : '',
),
);
}
if ($message === '') {
$message = 'Could not load XML for unknown reason';
}
throw new XmlException($message);
}
return $document;
}
}
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