<?php
/**
* LICENSE
*
* This source file is subject to the new BSD license
* It is available through the world-wide-web at this URL:
* http://www.petala-azul.com/bsd.txt
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to geral@petala-azul.com so we can send you a copy immediately.
*
* @package Bvb_Grid
* @author Bento Vilas Boas <geral@petala-azul.com>
* @copyright 2010 ZFDatagrid
* @license http://www.petala-azul.com/bsd.txt New BSD License
* @version $Id$
* @link http://zfdatagrid.com
*/
class Bvb_Grid_Source_Xml extends Bvb_Grid_Source_Array {
public function __construct($url, $loop, $columns = null, $cache = null)
{
if ($cache) {
$this->setCache($cache);
}
$cache = $this->getCache();
if (strstr($url, '<?xml')) {
$xml = simplexml_load_string($url);
} else {
if ($cache['enable'] == true) {
if (($xml = $cache['instance']->load(md5($url))) === false) {
$xml = file_get_contents($url);
$cache['instance']->save($xml, md5($url), array($this->_cache['tag']));
}
} else {
$xml = simplexml_load_file($url);
}
}
$xml = $this->_object2array($xml);
$cols = explode(',', $loop);
if (is_array($cols)) {
foreach ($cols as $value) {
$xml = $xml[$value];
}
}
//Remove possible arrays
for ($i = 0; $i < count($xml); $i++) {
foreach ($xml[$i] as $key => $final) {
if (!is_string($final)) {
unset($xml[$i][$key]);
}
}
}
if (is_array($columns)) {
foreach ($columns as $value) {
$columns = $columns[$value];
}
} else {
$columns = array_keys($xml[0]);
}
$this->_fields = $columns;
$this->_rawResult = $xml;
$this->_sourceName = 'xml';
unset($columns);
unset($xml);
}
}
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