<?php
/*
* Queasy PHP Framework - Configuration
*
* (c) Vitaly Demyanenko <vitaly_demyanenko@yahoo.com>
*
* For the full copyright and license information, please view the LICENSE file that was distributed with this source code.
*/
namespace queasy\config\loader;
use Exception;
use SimpleXMLElement;
/**
* XML configuration loader class
*/
class XmlLoader extends FileSystemLoader
{
/**
* Load and return an array containing configuration.
*
* @return array Loaded configuration
*
* @throws ConfigLoaderException When file is corrupted
*/
public function load()
{
$path = $this->path();
try {
$xml = new SimpleXMLElement(file_get_contents($path));
return $this->buildFromXml($xml);
} catch (Exception $e) {
throw new CorruptedException($this->path());
}
}
private function buildFromXml(SimpleXMLElement $el)
{
$result = array();
foreach ($el->attributes() as $attr => $value) {
$result[$attr] = trim($value);
}
foreach ($el->children() as $name => $value) {
if (!isset($result[$name])) {
$result[$name] = array();
}
$childConfig = $this->buildFromXml($value);
$result[$name] = array_merge($result[$name], $childConfig);
$result[$name][] = $childConfig;
}
$text = trim($el->__toString());
if (!empty($text)) {
$result[''] = $text;
}
return $result;
}
}
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