/**
* Recursively populates the cache.
*
* @param root root directory
* @param pc file cache
* @throws InterruptedException interruption
*/
void add(final IOFile root, final ProjectCache pc) throws InterruptedException {
// check if file cache was replaced or invalidated
if (pc != cache) throw new InterruptedException();
final IOFile[] files = root.children();
for (final IOFile file : files) {
if (file.name().equals(IO.IGNORESUFFIX)) return;
}
for (final IOFile file : files) {
if (file.isDir()) {
add(file, pc);
} else {
pc.add(file.path());
}
}
}
