/**
* Generates the CSS
*
* @return string
*/
public function generateCSS()
{
$output = new Less_Output_Mapped($this->contentsMap, $this);
// catch the output
$this->root->genCSS($output);
$sourceMapUrl = $this->getOption('sourceMapURL');
$sourceMapFilename = $this->getOption('sourceMapFilename');
$sourceMapContent = $this->generateJson();
$sourceMapWriteTo = $this->getOption('sourceMapWriteTo');
if (!$sourceMapUrl && $sourceMapFilename) {
$sourceMapUrl = $this->normalizeFilename($sourceMapFilename);
}
// write map to a file
if ($sourceMapWriteTo) {
$this->saveMap($sourceMapWriteTo, $sourceMapContent);
}
// inline the map
if (!$sourceMapUrl) {
$sourceMapUrl = sprintf('data:application/json,%s', Less_Functions::encodeURIComponent($sourceMapContent));
}
if ($sourceMapUrl) {
$output->add(sprintf('/*# sourceMappingURL=%s */', $sourceMapUrl));
}
return $output->toString();
}
