/**
* @param $params
* @param $template
* @return bool|mixed|string
*/
function smarty_function_flink($params, $template)
{
$file = $params['file'];
/** @var $front Enlight_Controller_Front */
$front = Enlight_Application::Instance()->Front();
$request = $front->Request();
// check if we got an URI or a local link
if (!empty($file) && strpos($file, '/') !== 0 && strpos($file, '://') === false) {
$useIncludePath = $template->smarty->getUseIncludePath();
// try to find the file on the filesystem
foreach ($template->smarty->getTemplateDir() as $dir) {
if (file_exists($dir . $file)) {
$file = realpath($dir) . DS . str_replace('/', DS, $file);
break;
}
if ($useIncludePath) {
if ($dir === '.' . DS) {
$dir = '';
}
if (($result = Enlight_Loader::isReadable($dir . $file)) !== false) {
$file = $result;
break;
}
}
}
if (method_exists(Enlight_Application::Instance(), 'DocPath')) {
$docPath = Enlight_Application::Instance()->DocPath();
} else {
$docPath = getcwd() . DIRECTORY_SEPARATOR;
}
// some clean up code
if (strpos($file, $docPath) === 0) {
$file = substr($file, strlen($docPath));
}
// make sure we have the right separator for the web context
if (DIRECTORY_SEPARATOR !== '/') {
$file = str_replace(DIRECTORY_SEPARATOR, '/', $file);
}
if (strpos($file, './') === 0) {
$file = substr($file, 2);
}
// if we did not find the file, we are returning a false
if (strpos($file, '/') !== 0) {
if (!file_exists($docPath . $file)) {
//return false;
}
if ($request !== null) {
$file = $request->getBasePath() . '/' . $file;
}
}
}
if (empty($file) && $request !== null) {
$file = $request->getBasePath() . '/';
}
if ($request !== null && strpos($file, '/') === 0 && !empty($params['fullPath'])) {
$file = $request->getScheme() . '://' . $request->getHttpHost() . $file;
}
return $file;
}
/**
* @param string $templateDir
* @param int|null $key
* @return string
*/
public function resolveTemplateDir($templateDir, $key = null)
{
if ($this->eventManager !== null) {
$templateDir = $this->eventManager->filter(__CLASS__ . '_ResolveTemplateDir', $templateDir, array('subject' => $this, 'key' => $key));
}
$templateDir = Enlight_Loader::isReadable($templateDir);
return $templateDir;
}
/**
* Returns whether the given request object is dispatchable.
* Checks first if the controller class of the request object exists.
* If the controller class exists, the enlight loader class checks if the controller path is readable.
*
* @param Enlight_Controller_Request_Request $request
* @return bool|string
*/
public function isDispatchable(Enlight_Controller_Request_Request $request)
{
$className = $this->getControllerClass($request);
if (!$className) {
return false;
}
if (class_exists($className, false)) {
return true;
}
$path = $this->getControllerPath($request);
return Enlight_Loader::isReadable($path);
}
