public function register(Container $app)
{
$app['prince.path'] = null;
// the common installation dirs for PrinceXML in several OS
$app['prince.default_paths'] = array('/usr/local/bin/prince', '/usr/bin/prince', 'C:\\Program Files\\Prince\\engine\\bin\\prince.exe');
$app['prince'] = function () use($app) {
$princePath = $app['prince.path'] ?: $app->findPrinceXmlExecutable();
// ask the user about the location of the executable
if (null === $princePath) {
$princePath = $app->askForPrinceXMLExecutablePath();
if (!file_exists($princePath)) {
throw new \RuntimeException(sprintf("We couldn't find the PrinceXML executable in the given directory (%s)", $princePath));
}
}
$prince = new Prince($princePath);
$prince->setHtml(true);
return $prince;
};
}