/**
* Get requested DB driver.
* By default XML configured driver is return.
* @param string $type
* @return Driver
*/
public static function getDriver($type = null)
{
if (!self::$instance) {
$config = XMLLoader::load(DB_FILE);
if ($type == null) {
$type = $config->driver;
}
$driver = $type . DRIVER;
self::$instance = new $driver($config);
}
return self::$instance;
}
public function load() {
$XMLFilename = $this->getXMLFilename();
// Can't read the file? nothing to load...
if (!is_readable($XMLFilename)) {
throw new Exception('Unable to open XML Metafile [' . $XMLFilename . '] for reading.');
}
// Start the load procedure.
$this->setFilename($XMLFilename);
$this->setRootName($this->_type);
if (!parent::load()) {
throw new Exception('Parsing of XML Metafile [' . $XMLFilename . '] failed, not valid XML.');
}
if (strtolower($this->getRootDOM()->getAttribute("name")) != strtolower($this->_name)) {
throw new Exception('Name mismatch in XML Metafile [' . $XMLFilename . '], defined name does not match expected name.');
}
$this->_version = $this->getRootDOM()->getAttribute("version");
}
/**
* Save or get the package XML for this theme. This is useful for the
* packager
*
* @param boolean $minified
* @param string $filename
*/
public function savePackageXML($minified = true, $filename = false)
{
// Instantiate a new XML Loader object and get it ready to use.
$dom = new \XMLLoader();
$dom->setRootName('package');
$dom->load();
// Populate the root attributes for this theme package.
$dom->getRootDOM()->setAttribute('type', 'theme');
$dom->getRootDOM()->setAttribute('name', $this->getName());
$dom->getRootDOM()->setAttribute('version', $this->getVersion());
// Declare the packager
$dom->createElement('packager[version="' . \Core::GetComponent()->getVersion() . '"]');
/* // Themes don't have any provide directives.
// Copy over any provide directives.
foreach ($this->_xmlloader->getRootDOM()->getElementsByTagName('provides') as $u) {
$newu = $dom->getDOM()->importNode($u);
$dom->getRootDOM()->appendChild($newu);
}
$dom->getElement('/provides[type="component"][name="' . strtolower($this->getName()) . '"][version="' . $this->getVersion() . '"]');
*/
/* // Themes don't have any requrie directives.
// Copy over any requires directives.
foreach ($this->_xmlloader->getRootDOM()->getElementsByTagName('requires') as $u) {
$newu = $dom->getDOM()->importNode($u);
$dom->getRootDOM()->appendChild($newu);
}
*/
// Copy over any upgrade directives.
// This one can be useful for an existing installation to see if this
// package can provide a valid upgrade path.
foreach ($this->_xmlloader->getRootDOM()->getElementsByTagName('upgrade') as $u) {
$newu = $dom->getDOM()->importNode($u);
$dom->getRootDOM()->appendChild($newu);
}
// Tack on description
$desc = $this->_xmlloader->getElement('/description', false);
if ($desc) {
$newd = $dom->getDOM()->importNode($desc);
$newd->nodeValue = $desc->nodeValue;
$dom->getRootDOM()->appendChild($newd);
}
$out = $minified ? $dom->asMinifiedXML() : $dom->asPrettyXML();
if ($filename) {
file_put_contents($filename, $out);
} else {
return $out;
}
}
