/**
* Stops capturing output, returning what was captured
*
* @return string The captured output
*/
public static function stopCapture()
{
if (!self::$capturing) {
throw new fProgrammerException('Output capturing can not be stopped since it has not been started');
}
self::$capturing = FALSE;
return ob_get_clean();
}
/**
* Performs buffered replacements using a breadth-first technique
*
* @return void
*/
private function placeBuffered()
{
if (!$this->buffered_id) {
return;
}
$contents = fBuffer::get();
fBuffer::erase();
// We are gonna use a regex replacement that is eval()'ed as PHP code
$regex = '/%%fTemplating::' . $this->buffered_id . '::(.*?)::(.*?)%%/e';
$replacement = 'fBuffer::startCapture() . $this->placeElement("$1", "$2") . fBuffer::stopCapture()';
// Remove the buffered id, thus making any nested place() calls be executed immediately
$this->buffered_id = NULL;
echo preg_replace($regex, $replacement, $contents);
}
/**
* Stop output buffering and save the cache to the fCache directory, and then display
* it to the browser.
*
* @return boolean If saving was successful
*/
public static function save()
{
if (static::$authorized_override) {
return false;
}
if (!static::$enabled) {
return false;
}
$contents = fBuffer::get();
fBuffer::stop();
static::$cache->set($identifier, $contents, static::$ttl);
return true;
}
/**
* Performs a captured place of an element to use with buffer placing
*
* @param array $match A regex match from ::placeBuffered()
* @return string The output of placing the element
*/
private function placeBufferedCallback($match)
{
fBuffer::startCapture();
$this->placeElement($match[1], $match[2]);
return fBuffer::stopCapture();
}
public function tearDown()
{
if ($this->started_capture) {
fBuffer::stopCapture();
$this->started_capture = FALSE;
}
if ($this->started_buffer) {
ob_clean();
fBuffer::stop();
$this->started_buffer = FALSE;
}
}