private function createInnerAsset()
{
if ($this->innerAsset) {
throw new RuntimeException('The inner asset must be created only once.');
}
$this->innerAsset = $this->factory->parseInputWithFixedValues($this->input, $this->currentDir, $this->roots, $this->vars, $this->values);
foreach ($this->filters as $filter) {
$this->innerAsset->ensureFilter($filter);
}
if (null !== $this->content) {
$this->innerAsset->setContent($this->content);
}
if (null !== $this->targetPath) {
$this->innerAsset->setTargetPath($this->targetPath);
}
// GC
$this->factory = null;
$this->input = null;
$this->currentDir = null;
$this->roots = null;
$this->content = null;
$this->targetPath = null;
}
