/**
* Generates PHP code recursively to match a tree of routes
*
* @param DumperPrefixCollection $collection A DumperPrefixCollection instance
* @param bool $supportsRedirections Whether redirections are supported by the base class
* @param string $parentPrefix Prefix of the parent collection
*
* @return string PHP code
*/
private function compilePrefixRoutes(DumperPrefixCollection $collection, $supportsRedirections, $parentPrefix = '')
{
$code = '';
$prefix = $collection->getPrefix();
$optimizable = 1 < strlen($prefix) && 1 < count($collection->all());
$optimizedPrefix = $parentPrefix;
if ($optimizable) {
$optimizedPrefix = $prefix;
$code .= sprintf(" if (0 === strpos(\$pathinfo, %s)) {\n", var_export($prefix, true));
}
foreach ($collection as $route) {
if ($route instanceof DumperCollection) {
$code .= $this->compilePrefixRoutes($route, $supportsRedirections, $optimizedPrefix);
} else {
$code .= $this->compileRoute($route->getRoute(), $route->getName(), $supportsRedirections, $optimizedPrefix) . "\n";
}
}
if ($optimizable) {
$code .= " }\n\n";
// apply extra indention at each line (except empty ones)
$code = preg_replace('/^.{2,}$/m', ' $0', $code);
}
return $code;
}
