/**
* creates a SVG Font out of SGV files from a directory
*
* @param InputInterface $input input
* @param OutputInterface $output output
* @return void
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$directory = $input->getArgument('directory');
$outputFile = $input->getArgument('output-file');
$generator = new IconFontGenerator();
$output->writeln('reading files from "' . $directory . '" ...');
$generator->generateFromDir($directory, array('id' => $input->getOption('name') ?: 'SVGFont'), $input->getOption('rename-files'));
$output->writeln('writing font to "' . $outputFile . '" ...');
file_put_contents($outputFile, $generator->getFont()->getXML());
$output->getFormatter()->setStyle('success', new OutputFormatterStyle(null, null, array('bold', 'reverse')));
$output->writeln('<success>created ' . $outputFile . ' successfully</success>');
}