Method Scan

src/fileio.cpp:1115–1147

* Scan for files with the given extension in the given search path. * @param extension the extension of files to search for. * @param sd the sub directory to search in. * @param tars whether to search in the tars too. * @param recursive whether to search recursively * @return the number of found files, i.e. the number of times that * AddFile returned true. */

 *         AddFile returned true.
 */
uint FileScanner::Scan(std::string_view extension, Subdirectory sd, bool tars, bool recursive)
{
	this->subdir = sd;

	uint num = 0;

	for (Searchpath sp : _valid_searchpaths) {
		/* Don't search in the working directory */
		if (sp == SP_WORKING_DIR && !_do_scan_working_directory) continue;

		std::string path = FioGetDirectory(sp, sd);
		num += ScanPath(this, extension, OTTD2FS(path), path.size(), recursive);
	}

	if (tars && sd != NO_DIRECTORY) {
		for (const auto &tar : _tar_filelist[sd]) {
			num += ScanTar(this, extension, tar);
		}
	}

	switch (sd) {
		case BASESET_DIR:
			num += this->Scan(extension, OLD_GM_DIR, tars, recursive);
			[[fallthrough]];
		case NEWGRF_DIR:
			num += this->Scan(extension, OLD_DATA_DIR, tars, recursive);
			break;

		default: break;
	}

	return num;
}

/**
 * Scan for files with the given extension in the given search path.