Method enumerateDirectories

src/app/MediaFileSystem.cpp:161–191

}

int MediaFileSystem::enumerateDirectories(const std::filesystem::path& path, enumerate_callback_t callback, bool allowDuplicates)
{
	int numRawResults = 0;
	std::unordered_set<std::string> resultSet;
	for (const auto& fs : m_FileSystems)
	{
		if (allowDuplicates)
		{
			int result = fs->enumerateDirectories(path, callback, true);
			if (result >= 0)
				numRawResults += result;
		}
		else
		{
			fs->enumerateDirectories(path,
				[&resultSet](std::string_view name)
				{
					resultSet.insert(std::string(name));
				}, true);
		}
	}

	if (!allowDuplicates)
	{
		// pass the deduplicated names to the caller
		std::for_each(resultSet.begin(), resultSet.end(), callback);
		return int(resultSet.size());
	}

	return numRawResults;
}