/** Get an instance of the configured ESI type handler class.
* @return object An instance of the configured ESI type handler.
*/
protected static function getESITypeHandler()
{
if (self::$esiTypeHandler !== null) {
return self::$esiTypeHandler;
}
$ini = eZINI::instance('nxc_esi.ini');
$handler = null;
$ini->assign('ESIType', 'ESITypeHandler', $handler);
if (!is_string($handler) || $handler == '') {
eZDebug::writeError('No ESI type handler is configured, falling back to default.', __METHOD__);
$handler = 'nxcESITypeNone';
}
if (!class_exists($handler)) {
eZDebug::writeError('Invalid ESI type handler in configuration, no such class: ' . $handler, __METHOD__);
$handler = 'nxcESITypeNone';
}
try {
$handler = new $handler();
} catch (Exception $exception) {
eZDebug::writeError('Invalid ESI type handler in configuration,' . ' the class could not be instantiated: ' . $handler . "\n" . $exception->getMessage(), __METHOD__);
$handler = new nxcESITypeNone();
}
self::$esiTypeHandler = $handler;
return self::$esiTypeHandler;
}
eZExecution::cleanExit();
break;
case 'method':
case 'method-static':
if (!isset($keys['class']) || trim($keys['class']) == '') {
eZDebug::writeError('Tried to include a method call without specifying the class.', 'nxc_esi/include/' . $includeType);
return $module->handleError(eZError::KERNEL_NOT_FOUND, 'kernel');
}
if (!isset($keys['method']) || trim($keys['method']) == '') {
eZDebug::writeError('Tried to include a method call without specifying the method.', 'nxc_esi/include/' . $includeType);
return $module->handleError(eZError::KERNEL_NOT_FOUND, 'kernel');
}
$class = $keys['class'];
$method = $keys['method'];
unset($keys['class'], $keys['method']);
if (!nxcESI::isMethodAllowed($class, $method)) {
eZDebug::writeError('Tried to include a method call that is not allowed.', 'nxc_esi/include/' . $includeType);
return $module->handleError(eZError::KERNEL_NOT_FOUND, 'kernel');
}
if (!class_exists($class)) {
eZDebug::writeError('Tried to include a method call on a non-existing class.', 'nxc_esi/include/' . $includeType);
return $module->handleError(eZError::KERNEL_NOT_FOUND, 'kernel');
}
if ($includeType == 'method-static') {
$call = array($class, $method);
} else {
$call = array(new $class(), $method);
}
if (!is_callable($call)) {
eZDebug::writeError('Tried to include a method call on a non-callable method.', 'nxc_esi/include/' . $includeType);
return $module->handleError(eZError::KERNEL_NOT_FOUND, 'kernel');
/** Extract the cache keys, with values, from the function invocation.
* @return array Associative array of key name to value.
* @see process()
*/
private function extractKeys($tpl, $functionParameters, $rootNamespace, $currentNamespace, $functionPlacement)
{
$keys = array();
foreach ($functionParameters as $paramName => $paramValue) {
if (!nxcESI::validateKeyName($paramName)) {
$tpl->warning($this->ESIncludeName, 'Invalid key name: ' . $paramName, $functionPlacement);
} else {
$value = $tpl->elementValue($paramValue, $rootNamespace, $currentNamespace, $functionPlacement);
if (is_null($value)) {
// Skip this key
} elseif (is_bool($value)) {
$keys[$paramName] = $value ? 'true' : 'false';
} elseif (is_string($value) || is_numeric($value)) {
$keys[$paramName] = strval($value);
} else {
$tpl->warning($this->ESIncludeName, 'Invalid value for key ' . $paramName . ': ' . $value, $functionPlacement);
}
}
}
return $keys;
}
