/**
* Convert string to value
*
* Convert passed string to a valid data structure. Used to parse strings
* created with {@link AeXml_Node::write()} method.
*
* @param AeXml_Node $value value to parse
*
* @return mixed
*/
protected function _stringToValue(AeInterface_Xml_Element $element)
{
$type = $element->getAttribute('type', 'array');
if ($type == 'array') {
$return = array();
foreach ($element->getChildren() as $child) {
$name = $child->getName();
if ($name == 'key' && $child->hasAttribute('key-name')) {
$name = $child->getAttribute('key-name', $name);
$ntype = $child->getAttribute('key-type', 'string');
$name = $ntype == 'integer' ? (int) $name : $name;
}
$return[$name] = $this->_stringToValue($child);
}
} else {
if ($type == 'object') {
$value = $element->getData();
$value = str_replace('&null;', chr(0), $value);
$value = str_replace('&', '&', $value);
$return = unserialize($value);
} else {
$value = (string) $element->getData();
$return = null;
switch ($type) {
case 'boolean':
$return = $value == 'true' ? true : false;
break;
case 'integer':
$return = (int) $value;
break;
case 'float':
$return = (double) $value;
break;
case 'string':
$return = (string) $value;
break;
case 'null':
$return = null;
break;
}
}
}
return $return;
}
