CUpdater::InstallComponent

function InstallComponent($componentName, $arDeleteFiles = array())
{
	if (!in_array("KERNEL", $this->callType))
		return true;

	CUpdateSystem::AddMessage2Log("Run updater '".$this->updater."': InstallComponent(".$componentName.")", "CRUPDIC1");
	$errorMessage = "";

	$componentPath = $this->__MakeComponentPath($componentName);
	if ($componentPath == '')
	{
		CUpdateSystem::AddMessage2Log("Wrong component name", "CRUPDIC2");
		return false;
	}

	if (!file_exists($_SERVER["DOCUMENT_ROOT"].$this->curModulePath."/install/components".$componentPath))
	{
		CUpdateSystem::AddMessage2Log("Component is not found", "CRUPDIC3");
		return false;
	}

	if (!empty($arDeleteFiles))
	{
		for ($i = 0, $cnt = count($arDeleteFiles); $i < $cnt; $i++)
		{
			$path2Modules = $_SERVER["DOCUMENT_ROOT"].US_SHARED_KERNEL_PATH."/modules/".$this->moduleID."/install/components".$componentPath;
			$path2Components = $_SERVER["DOCUMENT_ROOT"].US_SHARED_KERNEL_PATH."/components/".$componentPath;

			if (file_exists($path2Modules.$arDeleteFiles[$i]))
				@unlink($path2Modules.$arDeleteFiles[$i]);
			if (file_exists($path2Components.$arDeleteFiles[$i]))
				@unlink($path2Components.$arDeleteFiles[$i]);
		}
	}

	return $this->CopyDirFiles($this->curModulePath."/install/components".$componentPath, US_SHARED_KERNEL_PATH."/components".$componentPath);
}