/**
* Creates a XmlTag object and for each xml tag found in the document,
* this function is called recursively to make sure we add all tags and their
* children
*
* @param XmlTag $tag
* @return XmlTag
*/
private function _parse(XmlTag $tag)
{
while ($this->_reader->read() && $this->_reader->nodeType !== \XMLReader::END_ELEMENT) {
if ($this->_reader->nodeType == \XMLReader::ELEMENT) {
$newTag = new XmlTag();
$newTag->setTagName($this->_reader->name);
$newTag->setTagId($this->_tagCounter);
if ($this->_reader->moveToFirstAttribute()) {
$attr = new XmlAttribute();
$attr->setName($this->_reader->name);
$attr->setValue($this->_reader->value);
$newTag->addAttribute($attr);
}
$tag->addChild($newTag);
$this->_tagCounter++;
$this->_parse($newTag);
} elseif ($this->_reader->nodeType == \XMLReader::TEXT || $this->_reader->nodeType == \XMLReader::CDATA) {
$lastTag = $this->_xmlDocument->getTagByTagId($tag->getTagId());
if (!$lastTag instanceof XmlTag) {
// something went very wrong
throw new \Exception('Impossible to find tag with id: ', $tag->getId());
}
$tag->setValue($this->_reader->value);
}
}
return $tag;
}
