Function getDataContents

src/Engine/CrossPlatform.cpp:555–591

* Gets the name of all the files * contained in a Data subfolder. * Repeated files are ignored. * @param folder Path to the data folder. * @param ext Extension of files ("" if it doesn't matter). * @return Ordered list of all the files. */

 * @return Ordered list of all the files.
 */
std::vector<std::string> getDataContents(const std::string &folder, const std::string &ext)
{
	std::set<std::string> unique;
	std::vector<std::string> files;

	// Check current data path
	std::string current = caseInsensitiveFolder(Options::getDataFolder(), folder);
	if (current != "")
	{
		std::vector<std::string> contents = getFolderContents(current, ext);
		for (std::vector<std::string>::const_iterator file = contents.begin(); file != contents.end(); ++file)
		{
			unique.insert(*file);
		}
	}

	// Check every other path
	for (std::vector<std::string>::const_iterator i = Options::getDataList().begin(); i != Options::getDataList().end(); ++i)
	{
		std::string path = caseInsensitiveFolder(*i, folder);
		if (path == current)
		{
			continue;
		}
		if (path != "")
		{
			std::vector<std::string> contents = getFolderContents(path, ext);
			for (std::vector<std::string>::const_iterator file = contents.begin(); file != contents.end(); ++file)
			{
				unique.insert(*file);
			}
		}
	}

	files = std::vector<std::string>(unique.begin(), unique.end());
	return files;
}

/**
 * Checks if a certain path exists and is a folder.