public static function create($url, $xmlConfig = array())
{
$document = new Sabel_Xml_Document($xmlConfig);
self::$documents[] = $document;
$element = $document->loadXML(file_get_contents($url));
if ($element === null) {
// @todo exception?
}
switch (strtolower($element->tagName)) {
case "rdf:rdf":
return new Sabel_Rss_Reader_Rdf($element);
case "rss":
return new Sabel_Rss_Reader_Rss($element);
break;
case "feed":
if ($element->getAttribute("version") === "0.3") {
return new Sabel_Rss_Reader_Atom03($element);
} else {
return new Sabel_Rss_Reader_Atom10($element);
}
break;
default:
$message = "";
throw new Sabel_Exception_Runtime($message);
}
}
protected function _installAddon($name, $xml)
{
$doc = new Sabel_Xml_Document();
$root = $doc->loadXML($xml);
if ($error = $root->getChild("error")) {
$this->error($error->getNodeValue());
$this->error("install failed.");
return;
}
$version = $root->getChild("version")->getNodeValue();
$addonName = ucfirst($name);
$className = $addonName . "_Addon";
if (class_exists($className, true)) {
eval('$v = ' . $className . '::VERSION;');
if ($v === (double) $version) {
$this->message("{$addonName}_{$version} already installed.");
return;
} elseif ((double) $version > $v) {
$_v = strpos($v, ".") === false ? "{$v}.0" : $v;
$this->message("upgrade " . $addonName . " from {$_v} to {$version}.");
} else {
$this->message("nothing to install.");
return;
}
}
$files = $root->getChildren("file");
foreach ($files as $i => $file) {
$path = $file->getChild("path")->getNodeValue();
$path = str_replace(":", DS, $path);
$source = $file->getChild("source")->getNodeValue();
if (!$this->fs->isFile($path)) {
$this->fs->mkfile($path)->write($source)->save();
} else {
$this->fs->getFile($path)->write($source)->save();
}
$this->success($path);
}
$this->success("install ok: {$addonName}_{$version}");
}
protected function loadXML(Sabel_Xml_Document $xml, $name)
{
return $xml->loadXML(file_get_contents(XML_TEST_DIR . DS . "xml" . DS . $name . ".xml"));
}